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 midnight Sun 9th 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 |
67 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 09/08/2026 01:00:00 |
| Bush Estate Timeseries Graph |
74 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 09/08/2026 01:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 09/08/2026 11:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 09/08/2026 22:00:00 |
| Edinburgh St Leonards Timeseries Graph |
71 (3 Low) | 18 (1 Low) | 3 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 09/08/2026 02:30:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 09/08/2026 10:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 22 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 09/08/2026 01:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 09/08/2026 22:00:00 |
| Glasgow Townhead Timeseries Graph |
65 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 09/08/2026 04:00:00 |
| Grangemouth Timeseries Graph |
n/m | 4 (1 Low) | 4 (1 Low) | 7 (1 Low) | 8 (1 Low) *1 | 09/08/2026 06:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 09/08/2026 22:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 09/08/2026 01:00:00 |
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 |
93 (3 Low) | n/a | n/m | 5 (1 Low) | 12 (1 Low) *2 | 09/08/2026 08:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 08:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 67 (1 Low) | n/m | 6 (1 Low) | n/m | 09/08/2026 05:00:00 |
| Derby Stockbrook Park Timeseries Graph |
91 (3 Low) | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 08:00:00 |
| Ladybower Timeseries Graph |
102 (4 Moderate) | 9 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 09/08/2026 10:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 09/08/2026 01:00:00 |
| Leicester University Timeseries Graph |
108 (4 Moderate) | 19 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 09/08/2026 04:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 09/08/2026 01:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 09/08/2026 04:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 14:00:00 |
| Northampton Spring Park Timeseries Graph |
115 (4 Moderate) | 15 (1 Low) | n/m | 14 (2 Low) | n/m | 09/08/2026 21:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 09:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
93 (3 Low) | 42 (1 Low) | 1 (1 Low) | 6 (1 Low) | 16 (1 Low) *2 | 09/08/2026 09:15:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 46 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 09/08/2026 21:00:00 |
| Tallington Timeseries Graph |
120 (4 Moderate) | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 23:00:00 |
| Toft Newton Timeseries Graph |
102 (4 Moderate) | 10 (1 Low) | n/m | 4 (1 Low) | 14 (1 Low) *2 | 09/08/2026 08:00:00 |
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 | 49 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 09/08/2026 19:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 09/08/2026 24:00: |
| Cambridge Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 09/08/2026 22:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 71 (2 Low) | n/m | 5 (1 Low) | n/m | 09/08/2026 18:00:00 |
| Norwich Lakenfields Timeseries Graph |
122 (5 Moderate) | 17 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 09/08/2026 09:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 09/08/2026 03:00:00 |
| Sibton Timeseries Graph |
132 (5 Moderate) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 09/08/2026 24:00: |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 09/08/2026 17:00:00 |
| Southend-on-Sea Timeseries Graph |
128 (5 Moderate) | 20 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 09/08/2026 18:00:00 |
| St Osyth Timeseries Graph |
140 (5 Moderate) | 25 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 09/08/2026 21:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *1 | 09/08/2026 23:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 09/08/2026 17:00:00 |
| Thurrock Timeseries Graph |
120 (4 Moderate) | 62 (1 Low) | 5 (1 Low) | 9 (1 Low) | 18 (2 Low) *2 | 09/08/2026 09:45:00 |
| Weybourne Timeseries Graph |
114 (4 Moderate) | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 09/08/2026 24:00: |
| Wicken Fen Timeseries Graph |
128 (5 Moderate) | 10 (1 Low) | 3 (1 Low) | 12 (2 Low) | 22 (2 Low) *2 | 09/08/2026 09:45:00 |
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 | 38 (1 Low) | n/m | 13 (2 Low) | 26 (2 Low) *1 | 09/08/2026 17:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 28 (2 Low) *1 | 09/08/2026 09:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 09/08/2026 04:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 09/08/2026 20:00:00 |
| London Bexley Timeseries Graph |
n/m | 48 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 09/08/2026 22:00:00 |
| London Bloomsbury Timeseries Graph |
134 (5 Moderate) | 58 (1 Low) | 3 (1 Low) | 7 (1 Low) | 18 (2 Low) *2 | 09/08/2026 15:45:00 |
| London Farringdon Street Timeseries Graph |
n/m | 59 (1 Low) | n/m | 9 (1 Low) | n/m | 09/08/2026 20:00:00 |
| London Haringey Priory Park South Timeseries Graph |
146 (6 Moderate) | 27 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 09/08/2026 20:00:00 |
| London Harlington Timeseries Graph |
139 (5 Moderate) | 76 (2 Low) | n/m | 5 (1 Low) | 15 (1 Low) *2 | 09/08/2026 21:00:00 |
| London Hillingdon Timeseries Graph |
133 (5 Moderate) | 56 (1 Low) | n/m | n/a | n/a | 06/08/2026 09:00:00 |
| London Honor Oak Park Timeseries Graph |
160 (6 Moderate) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 09/08/2026 20:00:00 |
| London Marylebone Road Timeseries Graph |
124 (5 Moderate) | 57 (1 Low) | 4 (1 Low) | 9 (1 Low) | 24 (2 Low) *1 | 09/08/2026 16:45:00 |
| London N. Kensington Timeseries Graph |
149 (6 Moderate) | 57 (1 Low) | 2 (1 Low) | 6 (1 Low) | 15 (1 Low) *2 | 09/08/2026 13:45:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 09/08/2026 19:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 15 (1 Low) *2 | 09/08/2026 21:00:00 |
| London Westminster Timeseries Graph |
142 (6 Moderate) | 52 (1 Low) | n/m | n/m | n/m | 09/08/2026 20:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | 27 (2 Low) *1 | 09/08/2026 10:00:00 |
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 |
67 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 09/08/2026 07:00:00 |
| Inverness Timeseries Graph |
n/m | 7 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 09/08/2026 01:00:00 |
| Lerwick Timeseries Graph |
74 (3 Low) | n/m | n/m | n/m | n/m | 09/08/2026 21:00:00 |
| Strathvaich Timeseries Graph |
84 (3 Low) | n/m | n/m | n/m | n/m | 09/08/2026 01:00:00 |
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 | 3 (1 Low) | 7 (1 Low) *2 | 09/08/2026 01:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
82 (3 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 09/08/2026 01:00:00 |
| Kielder Water Timeseries Graph |
66 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 09/08/2026 01:00:00 |
| Middlesbrough Timeseries Graph |
80 (3 Low) | 8 (1 Low) | 1 (1 Low) | 3 (1 Low) | 10 (1 Low) *1 | 09/08/2026 08:45:00 |
| Newcastle Centre Timeseries Graph |
65 (2 Low) | 33 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *1 | 09/08/2026 11:00:00 |
| 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 | 3 (1 Low) | 6 (1 Low) *2 | 09/08/2026 01:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 09/08/2026 02:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | n/m | 09/08/2026 11:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 4 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 09/08/2026 02:00:00 |
| Sunderland Silksworth Timeseries Graph |
82 (3 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 09/08/2026 12:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 15 (1 Low) | n/m | 3 (1 Low) | n/m | 09/08/2026 12:00:00 |
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 |
57 (2 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 09/08/2026 02:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 09/08/2026 13:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 09/08/2026 01:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 09/08/2026 22:00:00 |
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 |
100 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 09/08/2026 01:00:00 |
| Wrexham Timeseries Graph |
n/m | 18 (1 Low) | 3 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 09/08/2026 04:45:00 |
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 | 14 (1 Low) | n/m | 4 (1 Low) | n/m | 09/08/2026 22:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 09/08/2026 02:00:00 |
| Blackburn Audley Park Timeseries Graph |
73 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 09/08/2026 03:00:00 |
| Blackpool Marton Timeseries Graph |
79 (3 Low) | 21 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 09/08/2026 21:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 09/08/2026 22:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 09/08/2026 05:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 10 (1 Low) | n/m | 6 (1 Low) | 6 (1 Low) *1 | 09/08/2026 10:00:00 |
| Crewe Coppenhall Timeseries Graph |
87 (3 Low) | 23 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 09/08/2026 22:00:00 |
| Glazebury Timeseries Graph |
82 (3 Low) | 32 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 09/08/2026 24:00: |
| Liverpool Speke Timeseries Graph |
81 (3 Low) | 27 (1 Low) | 3 (1 Low) | 6 (1 Low) | 13 (1 Low) *1 | 09/08/2026 07:30:00 |
| Liverpool Thirlmere Park Timeseries Graph |
73 (3 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 09/08/2026 22:00:00 |
| Manchester Piccadilly Timeseries Graph |
72 (3 Low) | 55 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 09/08/2026 09:00:00 |
| Manchester Sharston Timeseries Graph |
85 (3 Low) | 31 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 09/08/2026 19:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 09/08/2026 08:00:00 |
| Preston Timeseries Graph |
76 (3 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 09/08/2026 22:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 09/08/2026 23:00:00 |
| Salford Eccles Timeseries Graph |
87 (3 Low) | 44 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 09/08/2026 19:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 09/08/2026 07:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | n/a | 05/08/2026 18:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 09/08/2026 21:00:00 |
| Warrington Timeseries Graph |
n/m | n/a | n/m | 3 (1 Low) | 10 (1 Low) *1 | 09/08/2026 02:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 09/08/2026 02:00:00 |
| Wigan Centre Timeseries Graph |
76 (3 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 09/08/2026 22:00:00 |
| Wirral Tranmere Timeseries Graph |
80 (3 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 09/08/2026 22:00:00 |
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 | 31 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 09/08/2026 22:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 09/08/2026 13:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 13 (1 Low) | 2 (1 Low) | n/m | n/m | 08/08/2026 02:30:00 |
| Belfast Centre Timeseries Graph |
51 (2 Low) | 30 (1 Low) | 12 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 09/08/2026 02:15:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 09/08/2026 22:00:00 |
| Derry Rosemount Timeseries Graph |
53 (2 Low) | 3 (1 Low) | 2 (1 Low) | 1 (1 Low) | 6 (1 Low) *1 | 09/08/2026 16:30:00 |
| Lough Navar Timeseries Graph |
53 (2 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 09/08/2026 09:00:00 |
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 | 13 (1 Low) | n/m | n/m | n/m | 09/08/2026 14:00:00 |
| Eskdalemuir Timeseries Graph |
65 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 09/08/2026 14:00:00 |
| Peebles Timeseries Graph |
74 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 09/08/2026 01:00:00 |
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 | 4 (1 Low) | n/m | 09/08/2026 20:00:00 |
| Brighton Preston Park Timeseries Graph |
118 (4 Moderate) | 27 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 09/08/2026 22:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | n/a | n/m | 7 (1 Low) | 22 (2 Low) *1 | 09/08/2026 24:00: |
| Chilbolton Observatory Timeseries Graph |
131 (5 Moderate) | 14 (1 Low) | 2 (1 Low) | 4 (1 Low) | 14 (1 Low) *2 | 09/08/2026 21:45:00 |
| Eastbourne Timeseries Graph |
129 (5 Moderate) | 18 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 09/08/2026 20:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 09/08/2026 20:00:00 |
| Horley Timeseries Graph |
n/m | 32 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 09/08/2026 02:00:00 |
| Lullington Heath Timeseries Graph |
137 (5 Moderate) | 25 (1 Low) | 9 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 09/08/2026 02:15:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 26 (2 Low) *2 | 09/08/2026 20:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
119 (4 Moderate) | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 23:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 09/08/2026 02:00:00 |
| Oxford St Ebbes Timeseries Graph |
121 (5 Moderate) | 28 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 09/08/2026 18:00:00 |
| Portsmouth Timeseries Graph |
127 (5 Moderate) | 23 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 23:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 09/08/2026 23:00:00 |
| Reading London Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 09/08/2026 02:00:00 |
| Reading New Town Timeseries Graph |
120 (4 Moderate) | 31 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 09/08/2026 21:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 09/08/2026 06:00:00 |
| Rochester Stoke Timeseries Graph |
135 (5 Moderate) | 43 (1 Low) | 6 (1 Low) | 10 (1 Low) | 18 (2 Low) *2 | 09/08/2026 10:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 18 (2 Low) *2 | 09/08/2026 20:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 59 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 20:00:00 |
| Southampton Centre Timeseries Graph |
134 (5 Moderate) | 57 (1 Low) | 6 (1 Low) | 9 (1 Low) | 18 (2 Low) *2 | 09/08/2026 15:15:00 |
| Storrington Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 09/08/2026 20:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 11 (1 Low) | n/m | 09/08/2026 23:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 09/08/2026 22:00:00 |
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 |
104 (4 Moderate) | 36 (1 Low) | 3 (1 Low) | 10 (1 Low) | 17 (2 Low) *1 | 09/08/2026 10:45:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 09/08/2026 01:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 37 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *1 | 09/08/2026 24:00: |
| Cwmbran Crownbridge Timeseries Graph |
115 (4 Moderate) | 31 (1 Low) | n/m | n/m | n/m | 09/08/2026 19:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 09/08/2026 13:00:00 |
| Narberth Timeseries Graph |
95 (3 Low) | 4 (1 Low) | 4 (1 Low) | 3 (1 Low) | 9 (1 Low) *2 | 09/08/2026 14:15:00 |
| Newport Timeseries Graph |
n/m | 49 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 09/08/2026 24:00: |
| Port Talbot Margam Timeseries Graph |
104 (4 Moderate) | 16 (1 Low) | 1 (1 Low) | 10 (1 Low) | 15 (1 Low) *3 | 09/08/2026 09:15:00 |
| Swansea Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *1 | 09/08/2026 17:00:00 |
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 | 4 (1 Low) | 10 (1 Low) *2 | 09/08/2026 16:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 09/08/2026 01:00:00 |
| Bournemouth Timeseries Graph |
134 (5 Moderate) | 26 (1 Low) | n/m | 10 (1 Low) | n/m | 09/08/2026 16:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 09/08/2026 13:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 09/08/2026 15:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 11 (1 Low) *2 | 09/08/2026 05:00:00 |
| Bristol St Paul's Timeseries Graph |
113 (4 Moderate) | 115 (2 Low) | n/m | 7 (1 Low) | n/a | 09/08/2026 19:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 97 (2 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 09/08/2026 20:00:00 |
| Charlton Mackrell Timeseries Graph |
124 (5 Moderate) | 5 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 09/08/2026 21:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 09/08/2026 24:00: |
| Christchurch Barrack Road Timeseries Graph |
n/m | 66 (1 Low) | n/m | 10 (1 Low) | n/m | 09/08/2026 20:00:00 |
| Exeter Roadside Timeseries Graph |
99 (3 Low) | 31 (1 Low) | n/m | n/m | n/m | 09/08/2026 19:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 23 (2 Low) *2 | 09/08/2026 24:00: |
| Honiton Timeseries Graph |
127 (5 Moderate) | 9 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 09/08/2026 18:00:00 |
| Plymouth Centre Timeseries Graph |
94 (3 Low) | 72 (2 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 09/08/2026 18:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 08/08/2026 24:00: |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 13 (1 Low) *1 | 09/08/2026 15:00:00 |
| Swindon Walcot Timeseries Graph |
126 (5 Moderate) | 18 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 09/08/2026 23:00:00 |
| Yarner Wood Timeseries Graph |
120 (4 Moderate) | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 09/08/2026 22:00:00 |
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 |
72 (3 Low) | n/m | n/m | n/m | n/m | 08/08/2026 23:00:00 |
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 | 5 (1 Low) | 14 (1 Low) *2 | 09/08/2026 02:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
86 (3 Low) | 77 (2 Low) | n/m | 5 (1 Low) | 15 (1 Low) *2 | 09/08/2026 06:00:00 |
| Birmingham Hall Green Timeseries Graph |
108 (4 Moderate) | 34 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 02:00:00 |
| Birmingham Ladywood Timeseries Graph |
103 (4 Moderate) | 23 (1 Low) | 3 (1 Low) | 4 (1 Low) | 11 (1 Low) *2 | 09/08/2026 09:30:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 09/08/2026 04:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
92 (3 Low) | 78 (2 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 09/08/2026 19:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 5 (1 Low) | n/m | 09/08/2026 18:00:00 |
| Coventry Allesley Timeseries Graph |
107 (4 Moderate) | n/a | n/m | 5 (1 Low) | 12 (1 Low) *2 | 09/08/2026 20:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 09/08/2026 21:00:00 |
| Leamington Spa Timeseries Graph |
117 (4 Moderate) | 13 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 09/08/2026 22:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 09/08/2026 22:00:00 |
| Leominster Timeseries Graph |
96 (3 Low) | 11 (1 Low) | n/m | n/m | n/m | 09/08/2026 19:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 09/08/2026 02:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 09/08/2026 17:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 09/08/2026 08:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
77 (3 Low) | 30 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 09/08/2026 07:00:00 |
| Telford Hollinswood Timeseries Graph |
103 (4 Moderate) | 23 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 09/08/2026 07:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 09/08/2026 06:00:00 |
| Walsall Woodlands Timeseries Graph |
99 (3 Low) | 20 (1 Low) | n/m | n/m | n/m | 09/08/2026 18:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
97 (3 Low) | 33 (1 Low) | n/m | n/m | n/m | 08/08/2026 23:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 09/08/2026 05:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 09/08/2026 18:00:00 |
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 |
104 (4 Moderate) | 15 (1 Low) | 2 (1 Low) | 4 (1 Low) | 13 (1 Low) *2 | 09/08/2026 09:30:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 09/08/2026 01:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 09/08/2026 01:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 15 (1 Low) *2 | 09/08/2026 01:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
87 (3 Low) | 24 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 09/08/2026 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 55 (1 Low) | n/m | 7 (1 Low) | n/m | 09/08/2026 06:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 09/08/2026 01:00:00 |
| High Muffles Timeseries Graph |
92 (3 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 09/08/2026 01:00:00 |
| Hull Freetown Timeseries Graph |
95 (3 Low) | 38 (1 Low) | 5 (1 Low) | 5 (1 Low) | 15 (1 Low) *2 | 09/08/2026 08:15:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 09/08/2026 01:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
104 (4 Moderate) | 23 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 09/08/2026 22:00:00 |
| Leeds Centre Timeseries Graph |
78 (3 Low) | 33 (1 Low) | 2 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 09/08/2026 09:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 09/08/2026 01:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 09/08/2026 03:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 19 (1 Low) | 3 (1 Low) | 10 (1 Low) | 33 (2 Low) *1 | 09/08/2026 10:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 7 (1 Low) | n/m | 09/08/2026 22:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
90 (3 Low) | 49 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 09/08/2026 04:00:00 |
| Sheffield Tinsley Timeseries Graph |
82 (3 Low) | 50 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 09/08/2026 22:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 09/08/2026 01:00:00 |
| York Bootham Timeseries Graph |
77 (3 Low) | 23 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 09/08/2026 01:00:00 |
| York Fishergate Timeseries Graph |
n/m | 20 (1 Low) | n/m | 4 (1 Low) | 14 (1 Low) *1 | 09/08/2026 22:00:00 |
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