24 Hour Summary, based on data provided by Environment Agency
Here you can view the detailed data behind the latest measurement summary displayed on UK-AIR, and also a summary of information that has been displayed over the previous 24 hours. The detailed data tabulated below are from monitoring sites within the AURN. Graphs of hourly monitoring data are also available to view as weekly time series. You can also subscribe to this information as an email alert.
- View the legend
- Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to 3am Thu 13th Aug 2026
Central Scotland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Auchencorth Moss Timeseries Graph |
98 (3 Low) | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 13/08/2026 03:00:00 |
| Bush Estate Timeseries Graph |
105 (4 Moderate) | 8 (1 Low) | n/m | n/m | n/m | 12/08/2026 19:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 12/08/2026 09:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | n/m | 11/08/2026 22:00:00 |
| Edinburgh St Leonards Timeseries Graph |
99 (3 Low) | 39 (1 Low) | 76 (1 Low) | 11 (1 Low) | 19 (2 Low) *2 | 12/08/2026 14:15:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 12/08/2026 24:00: |
| Glasgow High Street Timeseries Graph |
n/m | 41 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 13/08/2026 03:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | n/m | 12/08/2026 08:00:00 |
| Glasgow Townhead Timeseries Graph |
88 (3 Low) | 37 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/08/2026 03:00:00 |
| Grangemouth Timeseries Graph |
n/m | 22 (1 Low) | 3 (1 Low) | 12 (2 Low) | 21 (2 Low) *1 | 12/08/2026 19:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 12/08/2026 03:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 12 (2 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
East Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Chesterfield Loundsley Green Timeseries Graph |
139 (5 Moderate) | 13 (1 Low) | n/m | 6 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 7 (1 Low) | 21 (2 Low) *2 | 13/08/2026 03:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 58 (1 Low) | n/m | 8 (1 Low) | n/m | 13/08/2026 03:00:00 |
| Derby Stockbrook Park Timeseries Graph |
131 (5 Moderate) | n/m | n/m | 7 (1 Low) | 24 (2 Low) *2 | 13/08/2026 03:00:00 |
| Ladybower Timeseries Graph |
143 (6 Moderate) | 18 (1 Low) | 7 (1 Low) | 7 (1 Low) | 19 (2 Low) *2 | 12/08/2026 08:45:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | 23 (2 Low) *2 | 13/08/2026 01:00:00 |
| Leicester University Timeseries Graph |
138 (5 Moderate) | 10 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *2 | 13/08/2026 01:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 12/08/2026 18:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 19 (2 Low) *2 | 13/08/2026 02:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 22 (2 Low) *2 | 13/08/2026 02:00:00 |
| Northampton Spring Park Timeseries Graph |
140 (5 Moderate) | 17 (1 Low) | n/m | 12 (2 Low) | n/m | 13/08/2026 01:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 21 (2 Low) *2 | 13/08/2026 01:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
127 (5 Moderate) | 15 (1 Low) | 2 (1 Low) | 8 (1 Low) | 23 (2 Low) *2 | 12/08/2026 22:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 31 (1 Low) | n/m | 8 (1 Low) | 22 (2 Low) *2 | 13/08/2026 02:00:00 |
| Tallington Timeseries Graph |
133 (5 Moderate) | n/m | n/m | 6 (1 Low) | 19 (2 Low) *2 | 13/08/2026 01:00:00 |
| Toft Newton Timeseries Graph |
127 (5 Moderate) | 6 (1 Low) | n/m | 5 (1 Low) | 17 (2 Low) *2 | 13/08/2026 03:00:00 |
Eastern
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 20 (1 Low) | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 01:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 16 (1 Low) *2 | 13/08/2026 02:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 12/08/2026 17:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 6 (1 Low) | n/m | 13/08/2026 01:00:00 |
| Norwich Lakenfields Timeseries Graph |
98 (3 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 13/08/2026 03:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 19 (2 Low) *2 | 13/08/2026 02:00:00 |
| Sibton Timeseries Graph |
102 (4 Moderate) | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 13/08/2026 03:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 13/08/2026 02:00:00 |
| Southend-on-Sea Timeseries Graph |
102 (4 Moderate) | 70 (2 Low) | n/m | 8 (1 Low) | 21 (2 Low) *2 | 13/08/2026 03:00:00 |
| St Osyth Timeseries Graph |
115 (4 Moderate) | 24 (1 Low) | n/m | 7 (1 Low) | 23 (2 Low) *2 | 13/08/2026 03:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 8 (1 Low) | 21 (2 Low) *1 | 13/08/2026 01:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 13/08/2026 01:00:00 |
| Thurrock Timeseries Graph |
103 (4 Moderate) | 39 (1 Low) | 4 (1 Low) | 7 (1 Low) | 20 (2 Low) *2 | 12/08/2026 15:00:00 |
| Weybourne Timeseries Graph |
106 (4 Moderate) | n/m | n/m | 6 (1 Low) | 16 (1 Low) *2 | 13/08/2026 03:00:00 |
| Wicken Fen Timeseries Graph |
121 (5 Moderate) | 17 (1 Low) | 3 (1 Low) | 7 (1 Low) | 22 (2 Low) *2 | 12/08/2026 06:45:00 |
Greater London
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Camden Kerbside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 13 (2 Low) | 36 (3 Low) *1 | 13/08/2026 03:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 38 (3 Low) *1 | 13/08/2026 03:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 12/08/2026 21:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 13/08/2026 01:00:00 |
| London Bexley Timeseries Graph |
n/m | 56 (1 Low) | n/m | 7 (1 Low) | 23 (2 Low) *2 | 13/08/2026 03:00:00 |
| London Bloomsbury Timeseries Graph |
111 (4 Moderate) | 76 (2 Low) | 4 (1 Low) | 6 (1 Low) | 22 (2 Low) *2 | 12/08/2026 19:45:00 |
| London Farringdon Street Timeseries Graph |
n/m | 50 (1 Low) | n/m | 8 (1 Low) | n/m | 13/08/2026 03:00:00 |
| London Haringey Priory Park South Timeseries Graph |
136 (5 Moderate) | 26 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 13/08/2026 01:00:00 |
| London Harlington Timeseries Graph |
150 (6 Moderate) | 39 (1 Low) | n/m | 6 (1 Low) | 18 (2 Low) *2 | 12/08/2026 22:00:00 |
| London Hillingdon Timeseries Graph |
139 (5 Moderate) | 50 (1 Low) | n/m | n/a | n/a | 06/08/2026 09:00:00 |
| London Honor Oak Park Timeseries Graph |
147 (6 Moderate) | n/m | n/m | 6 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| London Marylebone Road Timeseries Graph |
98 (3 Low) | 69 (2 Low) | 7 (1 Low) | 11 (1 Low) | 33 (2 Low) *1 | 12/08/2026 19:45:00 |
| London N. Kensington Timeseries Graph |
137 (5 Moderate) | 29 (1 Low) | 3 (1 Low) | 6 (1 Low) | 20 (2 Low) *2 | 12/08/2026 19:45:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 20 (2 Low) *2 | 13/08/2026 02:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 03:00:00 |
| London Westminster Timeseries Graph |
127 (5 Moderate) | 41 (1 Low) | n/m | n/m | n/m | 12/08/2026 21:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | 48 (3 Low) *1 | 12/08/2026 24:00: |
Highland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Fort William Timeseries Graph |
73 (3 Low) | 14 (1 Low) | n/m | n/m | n/m | 12/08/2026 18:00:00 |
| Inverness Timeseries Graph |
n/m | 16 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 13/08/2026 01:00:00 |
| Lerwick Timeseries Graph |
85 (3 Low) | n/m | n/m | n/m | n/m | 12/08/2026 22:00:00 |
| Strathvaich Timeseries Graph |
74 (3 Low) | n/m | n/m | n/m | n/m | 12/08/2026 17:00:00 |
North East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 02:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
91 (3 Low) | 16 (1 Low) | n/m | 9 (1 Low) | 30 (2 Low) *2 | 13/08/2026 03:00:00 |
| Kielder Water Timeseries Graph |
99 (3 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 13/08/2026 03:00:00 |
| Middlesbrough Timeseries Graph |
120 (4 Moderate) | 9 (1 Low) | 1 (1 Low) | 5 (1 Low) | 24 (2 Low) *1 | 12/08/2026 16:15:00 |
| Newcastle Centre Timeseries Graph |
105 (4 Moderate) | 30 (1 Low) | n/m | 9 (1 Low) | 25 (2 Low) *1 | 12/08/2026 08:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 10/07/2026 10:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 21 (2 Low) *2 | 13/08/2026 02:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 02:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 8 (1 Low) | n/m | 13/08/2026 03:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 15 (1 Low) | n/m | 6 (1 Low) | 24 (2 Low) *1 | 13/08/2026 03:00:00 |
| Sunderland Silksworth Timeseries Graph |
96 (3 Low) | 21 (1 Low) | n/m | 9 (1 Low) | 26 (2 Low) *2 | 13/08/2026 03:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 36 (1 Low) | n/m | 8 (1 Low) | n/m | 13/08/2026 03:00:00 |
North East Scotland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aberdeen Erroll Park Timeseries Graph |
75 (3 Low) | 50 (1 Low) | n/m | 10 (1 Low) | 26 (2 Low) *2 | 13/08/2026 02:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 12/08/2026 24:00: |
| Dundee Mains Loan Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 12/08/2026 24:00: |
| Perth Glasgow Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 12/08/2026 23:00:00 |
North Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aston Hill Timeseries Graph |
137 (5 Moderate) | 8 (1 Low) | n/m | n/m | n/m | 12/08/2026 23:00:00 |
| Wrexham Timeseries Graph |
n/m | 36 (1 Low) | 11 (1 Low) | 19 (2 Low) | 35 (3 Low) *2 | 12/08/2026 11:45:00 |
North West & Merseyside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Birkenhead Borough Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 13 (2 Low) | n/m | 13/08/2026 03:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| Blackburn Audley Park Timeseries Graph |
133 (5 Moderate) | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 03:00:00 |
| Blackpool Marton Timeseries Graph |
138 (5 Moderate) | 24 (1 Low) | n/m | 18 (2 Low) | 32 (2 Low) *2 | 13/08/2026 03:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | n/m | 13/08/2026 02:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 12/08/2026 22:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 39 (1 Low) | n/m | 15 (2 Low) | 24 (2 Low) *1 | 13/08/2026 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
128 (5 Moderate) | 23 (1 Low) | n/m | 7 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| Glazebury Timeseries Graph |
129 (5 Moderate) | 28 (1 Low) | n/m | 6 (1 Low) | 19 (2 Low) *2 | 13/08/2026 03:00:00 |
| Liverpool Speke Timeseries Graph |
121 (5 Moderate) | 16 (1 Low) | 5 (1 Low) | 11 (1 Low) | 26 (2 Low) *1 | 12/08/2026 11:15:00 |
| Liverpool Thirlmere Park Timeseries Graph |
120 (4 Moderate) | n/m | n/m | 13 (2 Low) | 27 (2 Low) *2 | 13/08/2026 03:00:00 |
| Manchester Piccadilly Timeseries Graph |
103 (4 Moderate) | 76 (2 Low) | 4 (1 Low) | 9 (1 Low) | 27 (2 Low) *2 | 12/08/2026 07:15:00 |
| Manchester Sharston Timeseries Graph |
127 (5 Moderate) | 31 (1 Low) | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 03:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 13/08/2026 02:00:00 |
| Preston Timeseries Graph |
141 (6 Moderate) | 27 (1 Low) | n/m | 6 (1 Low) | 19 (2 Low) *2 | 13/08/2026 03:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 19 (2 Low) *2 | 13/08/2026 02:00:00 |
| Salford Eccles Timeseries Graph |
135 (5 Moderate) | 43 (1 Low) | n/m | 7 (1 Low) | 25 (2 Low) *2 | 13/08/2026 03:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 12/08/2026 07:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 24 (2 Low) *1 | 05/08/2026 18:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 13/08/2026 02:00:00 |
| Warrington Timeseries Graph |
n/m | n/a | n/m | 5 (1 Low) | 27 (2 Low) *1 | 13/08/2026 03:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| Wigan Centre Timeseries Graph |
119 (4 Moderate) | 27 (1 Low) | n/m | 8 (1 Low) | 23 (2 Low) *2 | 13/08/2026 03:00:00 |
| Wirral Tranmere Timeseries Graph |
129 (5 Moderate) | 46 (1 Low) | n/m | 16 (2 Low) | 30 (2 Low) *2 | 13/08/2026 03:00:00 |
Northern Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Armagh Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 12/08/2026 08:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 12/08/2026 18:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 25 (1 Low) | 105 (2 Low) | n/m | n/m | 12/08/2026 16:00:00 |
| Belfast Centre Timeseries Graph |
95 (3 Low) | 55 (1 Low) | 11 (1 Low) | 19 (2 Low) | 30 (2 Low) *2 | 13/08/2026 02:15:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | 28 (2 Low) *1 | 12/08/2026 08:00:00 |
| Derry Rosemount Timeseries Graph |
66 (2 Low) | 25 (1 Low) | 2 (1 Low) | 3 (1 Low) | 11 (1 Low) *1 | 12/08/2026 12:30:00 |
| Lough Navar Timeseries Graph |
45 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/08/2026 03:00:00 |
Scottish Borders
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Dumfries Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| Eskdalemuir Timeseries Graph |
107 (4 Moderate) | 4 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| Peebles Timeseries Graph |
104 (4 Moderate) | 8 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
South East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 13/08/2026 01:00:00 |
| Brighton Preston Park Timeseries Graph |
112 (4 Moderate) | 13 (1 Low) | n/m | 5 (1 Low) | 17 (2 Low) *2 | 13/08/2026 01:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 5 (1 Low) | 28 (2 Low) *1 | 13/08/2026 03:00:00 |
| Chilbolton Observatory Timeseries Graph |
147 (6 Moderate) | 19 (1 Low) | 2 (1 Low) | 5 (1 Low) | 17 (2 Low) *2 | 12/08/2026 18:15:00 |
| Eastbourne Timeseries Graph |
122 (5 Moderate) | 19 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 13/08/2026 01:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 16 (1 Low) *2 | 13/08/2026 02:00:00 |
| Horley Timeseries Graph |
n/m | 21 (1 Low) | n/m | 5 (1 Low) | 16 (1 Low) *2 | 13/08/2026 03:00:00 |
| Lullington Heath Timeseries Graph |
132 (5 Moderate) | 12 (1 Low) | 3 (1 Low) | 4 (1 Low) | 13 (1 Low) *2 | 11/08/2026 13:15:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 31 (2 Low) *2 | 13/08/2026 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
129 (5 Moderate) | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 01:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 13/08/2026 03:00:00 |
| Oxford St Ebbes Timeseries Graph |
140 (5 Moderate) | 70 (2 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 13/08/2026 03:00:00 |
| Portsmouth Timeseries Graph |
121 (5 Moderate) | 19 (1 Low) | n/m | 5 (1 Low) | 16 (1 Low) *2 | 13/08/2026 01:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *2 | 13/08/2026 01:00:00 |
| Reading London Road Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | 32 (2 Low) *1 | 13/08/2026 03:00:00 |
| Reading New Town Timeseries Graph |
150 (6 Moderate) | 46 (1 Low) | n/m | 6 (1 Low) | 17 (2 Low) *2 | 13/08/2026 03:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 13/08/2026 02:00:00 |
| Rochester Stoke Timeseries Graph |
109 (4 Moderate) | 32 (1 Low) | 5 (1 Low) | 7 (1 Low) | 16 (1 Low) *2 | 12/08/2026 17:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 24 (2 Low) *2 | 13/08/2026 02:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 92 (2 Low) | n/m | 6 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| Southampton Centre Timeseries Graph |
116 (4 Moderate) | 73 (2 Low) | 4 (1 Low) | 6 (1 Low) | 19 (2 Low) *2 | 12/08/2026 11:30:00 |
| Storrington Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 5 (1 Low) | 16 (1 Low) *2 | 13/08/2026 02:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 9 (1 Low) | n/m | 13/08/2026 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 15 (1 Low) *2 | 13/08/2026 01:00:00 |
South Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Cardiff Centre Timeseries Graph |
66 (2 Low) | 49 (1 Low) | 7 (1 Low) | 10 (1 Low) | 22 (2 Low) *1 | 12/08/2026 14:15:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | 27 (2 Low) *1 | 12/08/2026 24:00: |
| Chepstow A48 Timeseries Graph |
n/m | 66 (1 Low) | n/m | 7 (1 Low) | 21 (2 Low) *1 | 13/08/2026 02:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
144 (6 Moderate) | 23 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 12/08/2026 19:00:00 |
| Narberth Timeseries Graph |
109 (4 Moderate) | 10 (1 Low) | 3 (1 Low) | 10 (1 Low) | 23 (2 Low) *2 | 12/08/2026 10:15:00 |
| Newport Timeseries Graph |
n/m | 44 (1 Low) | n/m | 7 (1 Low) | 22 (2 Low) *2 | 13/08/2026 03:00:00 |
| Port Talbot Margam Timeseries Graph |
131 (5 Moderate) | 26 (1 Low) | 3 (1 Low) | 18 (2 Low) | 30 (2 Low) *3 | 12/08/2026 03:15:00 |
| Swansea Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | 20 (2 Low) | 32 (2 Low) *1 | 13/08/2026 03:00:00 |
South West
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 03:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 12/08/2026 22:00:00 |
| Bournemouth Timeseries Graph |
119 (4 Moderate) | 25 (1 Low) | n/m | 8 (1 Low) | n/m | 13/08/2026 01:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 16 (1 Low) *2 | 13/08/2026 01:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 13/08/2026 02:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 16 (1 Low) *2 | 12/08/2026 03:00:00 |
| Bristol St Paul's Timeseries Graph |
121 (5 Moderate) | 62 (1 Low) | n/m | 9 (1 Low) | 23 (2 Low) *1 | 13/08/2026 02:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 78 (2 Low) | n/m | 7 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| Charlton Mackrell Timeseries Graph |
132 (5 Moderate) | 13 (1 Low) | n/m | 6 (1 Low) | 19 (2 Low) *2 | 13/08/2026 01:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 13/08/2026 01:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | 7 (1 Low) | n/m | 13/08/2026 03:00:00 |
| Exeter Roadside Timeseries Graph |
113 (4 Moderate) | 50 (1 Low) | n/m | n/m | n/m | 12/08/2026 21:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 19 (2 Low) *2 | 13/08/2026 01:00:00 |
| Honiton Timeseries Graph |
128 (5 Moderate) | 21 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *2 | 13/08/2026 01:00:00 |
| Plymouth Centre Timeseries Graph |
104 (4 Moderate) | 45 (1 Low) | n/m | 9 (1 Low) | 33 (2 Low) *2 | 13/08/2026 01:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 12/08/2026 09:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 24 (2 Low) *1 | 13/08/2026 01:00:00 |
| Swindon Walcot Timeseries Graph |
117 (4 Moderate) | 15 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 12/08/2026 12:00:00 |
| Yarner Wood Timeseries Graph |
133 (5 Moderate) | 9 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 13/08/2026 01:00:00 |
West Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Mace Head Timeseries Graph |
52 (2 Low) | n/m | n/m | n/m | n/m | 12/08/2026 07:00:00 |
West Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Bedworth Collycroft Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 23 (2 Low) *2 | 13/08/2026 02:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
109 (4 Moderate) | 80 (2 Low) | n/m | 7 (1 Low) | 23 (2 Low) *2 | 13/08/2026 03:00:00 |
| Birmingham Hall Green Timeseries Graph |
139 (5 Moderate) | 24 (1 Low) | n/m | 7 (1 Low) | 28 (2 Low) *2 | 13/08/2026 01:00:00 |
| Birmingham Ladywood Timeseries Graph |
107 (4 Moderate) | 35 (1 Low) | 4 (1 Low) | 6 (1 Low) | 18 (2 Low) *2 | 12/08/2026 10:15:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 03:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
137 (5 Moderate) | 22 (1 Low) | n/m | 6 (1 Low) | 22 (2 Low) *2 | 13/08/2026 03:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | 7 (1 Low) | n/m | 13/08/2026 03:00:00 |
| Coventry Allesley Timeseries Graph |
130 (5 Moderate) | 18 (1 Low) | n/m | 6 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | 6 (1 Low) | 21 (2 Low) *2 | 13/08/2026 03:00:00 |
| Leamington Spa Timeseries Graph |
143 (6 Moderate) | 13 (1 Low) | n/m | 6 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 6 (1 Low) | 20 (2 Low) *2 | 13/08/2026 03:00:00 |
| Leominster Timeseries Graph |
130 (5 Moderate) | 22 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 75 (2 Low) | n/m | 7 (1 Low) | 22 (2 Low) *2 | 13/08/2026 03:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 21 (2 Low) *2 | 13/08/2026 02:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 82 (2 Low) | n/m | 8 (1 Low) | 24 (2 Low) *2 | 13/08/2026 03:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
116 (4 Moderate) | 25 (1 Low) | n/m | 7 (1 Low) | 22 (2 Low) *2 | 13/08/2026 03:00:00 |
| Telford Hollinswood Timeseries Graph |
138 (5 Moderate) | 47 (1 Low) | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 03:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 20 (2 Low) *2 | 13/08/2026 02:00:00 |
| Walsall Woodlands Timeseries Graph |
137 (5 Moderate) | 35 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
117 (4 Moderate) | 35 (1 Low) | n/m | n/m | n/m | 12/08/2026 20:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 20 (2 Low) *2 | 13/08/2026 02:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 19 (2 Low) *2 | 13/08/2026 02:00:00 |
Yorkshire & Humberside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnsley Gawber Timeseries Graph |
145 (6 Moderate) | 26 (1 Low) | 2 (1 Low) | 7 (1 Low) | 21 (2 Low) *2 | 12/08/2026 10:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 76 (2 Low) | n/m | n/m | n/m | 12/08/2026 21:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 26 (2 Low) *2 | 13/08/2026 02:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 25 (2 Low) *2 | 13/08/2026 02:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
97 (3 Low) | 49 (1 Low) | n/m | 7 (1 Low) | 22 (2 Low) *2 | 12/08/2026 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 47 (1 Low) | n/m | 8 (1 Low) | n/m | 13/08/2026 03:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 18 (2 Low) *2 | 13/08/2026 02:00:00 |
| High Muffles Timeseries Graph |
106 (4 Moderate) | 7 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *2 | 13/08/2026 01:00:00 |
| Hull Freetown Timeseries Graph |
99 (3 Low) | 21 (1 Low) | 2 (1 Low) | 7 (1 Low) | 20 (2 Low) *2 | 12/08/2026 11:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 8 (1 Low) | 23 (2 Low) *2 | 13/08/2026 03:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
99 (3 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 13/08/2026 03:00:00 |
| Leeds Centre Timeseries Graph |
127 (5 Moderate) | 26 (1 Low) | 5 (1 Low) | 8 (1 Low) | 23 (2 Low) *2 | 12/08/2026 12:45:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 11 (1 Low) | 31 (2 Low) *1 | 13/08/2026 03:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 21 (2 Low) *2 | 13/08/2026 02:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 26 (1 Low) | 59 (1 Low) | 12 (2 Low) | 42 (3 Low) *1 | 12/08/2026 19:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 101 (2 Low) | n/m | 10 (1 Low) | n/m | 13/08/2026 03:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
134 (5 Moderate) | 37 (1 Low) | n/m | 8 (1 Low) | 22 (2 Low) *2 | 13/08/2026 03:00:00 |
| Sheffield Tinsley Timeseries Graph |
132 (5 Moderate) | 38 (1 Low) | n/m | 7 (1 Low) | 27 (2 Low) *2 | 13/08/2026 03:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 23 (2 Low) *2 | 13/08/2026 02:00:00 |
| York Bootham Timeseries Graph |
113 (4 Moderate) | 18 (1 Low) | n/m | 8 (1 Low) | 23 (2 Low) *1 | 13/08/2026 03:00:00 |
| York Fishergate Timeseries Graph |
n/m | 16 (1 Low) | n/m | 7 (1 Low) | 29 (2 Low) *1 | 13/08/2026 03:00:00 |
Legend
- n/m means that the pollutant is not measured at that site
- n/a means that no data were recorded for the period
- *1: measurements are PM10 BAM 1020 heated
- *2: measurements are PM10 FIDAS
- *3: measurements are PM10 SEQ 47/50