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 2pm Wed 26th 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 |
80 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 26/08/2026 14:00:00 |
| Bush Estate Timeseries Graph |
77 (3 Low) | 22 (1 Low) | n/m | n/m | n/m | 25/08/2026 21:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 25/08/2026 17:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 25/08/2026 23:00:00 |
| Edinburgh St Leonards Timeseries Graph |
73 (3 Low) | 8 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 25/08/2026 15:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 25/08/2026 15:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 10 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 26/08/2026 14:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 68 (2 Low) | n/m | n/m | n/m | 25/08/2026 22:00:00 |
| Glasgow Townhead Timeseries Graph |
73 (3 Low) | 9 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 26/08/2026 14:00:00 |
| Grangemouth Timeseries Graph |
n/m | 18 (1 Low) | 6 (1 Low) | n/a | 14 (1 Low) *1 | 26/08/2026 12:30:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 26/08/2026 12:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 26/08/2026 14:00:00 |
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 |
90 (3 Low) | 11 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 26/08/2026 14:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | 11 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Derby Stockbrook Park Timeseries Graph |
89 (3 Low) | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 26/08/2026 13:00:00 |
| Ladybower Timeseries Graph |
102 (4 Moderate) | 11 (1 Low) | 2 (1 Low) | 12 (2 Low) | 19 (2 Low) *2 | 26/08/2026 11:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 11 (1 Low) | 24 (2 Low) *2 | 26/08/2026 14:00:00 |
| Leicester University Timeseries Graph |
98 (3 Low) | 28 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 26/08/2026 08:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Northampton Spring Park Timeseries Graph |
104 (4 Moderate) | 16 (1 Low) | n/m | 13 (2 Low) | n/m | 26/08/2026 14:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 23 (2 Low) *2 | 26/08/2026 14:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
90 (3 Low) | 14 (1 Low) | 1 (1 Low) | 11 (1 Low) | 22 (2 Low) *2 | 25/08/2026 17:15:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 29 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Tallington Timeseries Graph |
101 (4 Moderate) | n/m | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Toft Newton Timeseries Graph |
n/a | 5 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 26/08/2026 14:00:00 |
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 | 22 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 26/08/2026 14:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 26/08/2026 11:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 26/08/2026 08:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | 9 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Norwich Lakenfields Timeseries Graph |
88 (3 Low) | 18 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 26/08/2026 14:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Sibton Timeseries Graph |
95 (3 Low) | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 26/08/2026 14:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 26/08/2026 14:00:00 |
| Southend-on-Sea Timeseries Graph |
101 (4 Moderate) | 14 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| St Osyth Timeseries Graph |
109 (4 Moderate) | 13 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 26/08/2026 14:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 12 (2 Low) | 24 (2 Low) *1 | 26/08/2026 12:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Thurrock Timeseries Graph |
n/a | 18 (1 Low) | n/a | 12 (2 Low) | 21 (2 Low) *2 | 25/08/2026 04:00:00 |
| Weybourne Timeseries Graph |
n/a | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Wicken Fen Timeseries Graph |
98 (3 Low) | 16 (1 Low) | n/a | 14 (2 Low) | 26 (2 Low) *2 | 21/08/2026 17:30:00 |
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 | 56 (1 Low) | n/m | 15 (2 Low) | 32 (2 Low) *1 | 26/08/2026 14:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 31 (2 Low) *1 | 26/08/2026 14:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 26/08/2026 09:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 26/08/2026 14:00:00 |
| London Bexley Timeseries Graph |
n/m | 44 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| London Bloomsbury Timeseries Graph |
93 (3 Low) | 41 (1 Low) | 3 (1 Low) | 10 (1 Low) | 22 (2 Low) *2 | 26/08/2026 09:30:00 |
| London Farringdon Street Timeseries Graph |
n/m | 44 (1 Low) | n/m | 14 (2 Low) | n/m | 26/08/2026 14:00:00 |
| London Haringey Priory Park South Timeseries Graph |
104 (4 Moderate) | 33 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 26/08/2026 14:00:00 |
| London Harlington Timeseries Graph |
105 (4 Moderate) | 43 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| London Hillingdon Timeseries Graph |
95 (3 Low) | 42 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| London Honor Oak Park Timeseries Graph |
115 (4 Moderate) | n/m | n/m | 11 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| London Marylebone Road Timeseries Graph |
88 (3 Low) | 49 (1 Low) | 5 (1 Low) | 14 (2 Low) | 32 (2 Low) *1 | 25/08/2026 14:15:00 |
| London N. Kensington Timeseries Graph |
102 (4 Moderate) | 35 (1 Low) | 2 (1 Low) | 11 (1 Low) | 19 (2 Low) *2 | 25/08/2026 17:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| London Westminster Timeseries Graph |
93 (3 Low) | 38 (1 Low) | n/m | n/m | n/m | 25/08/2026 23:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | 44 (3 Low) *1 | 26/08/2026 09:00:00 |
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 |
68 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 25/08/2026 24:00: |
| Inverness Timeseries Graph |
n/m | 21 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 26/08/2026 14:00:00 |
| Lerwick Timeseries Graph |
80 (3 Low) | n/m | n/m | n/m | n/m | 25/08/2026 23:00:00 |
| Strathvaich Timeseries Graph |
80 (3 Low) | n/m | n/m | n/m | n/m | 25/08/2026 18:00:00 |
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 | 8 (1 Low) | 15 (1 Low) *2 | 26/08/2026 14:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
80 (3 Low) | 20 (1 Low) | n/m | 11 (1 Low) | 26 (2 Low) *2 | 26/08/2026 14:00:00 |
| Kielder Water Timeseries Graph |
76 (3 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 26/08/2026 14:00:00 |
| Middlesbrough Timeseries Graph |
78 (3 Low) | 14 (1 Low) | 3 (1 Low) | 5 (1 Low) | 21 (2 Low) *1 | 26/08/2026 12:45:00 |
| Newcastle Centre Timeseries Graph |
n/a | 10 (1 Low) | n/m | 9 (1 Low) | 23 (2 Low) *1 | 26/08/2026 14:00:00 |
| 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) | 14 (1 Low) *2 | 26/08/2026 14:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/a | n/m | 25/08/2026 02:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/a | n/a | 24/08/2026 01:00:00 |
| Sunderland Silksworth Timeseries Graph |
85 (3 Low) | 11 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 12 (1 Low) | n/m | 8 (1 Low) | n/m | 26/08/2026 14:00:00 |
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 |
73 (3 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 26/08/2026 14:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 26/08/2026 08:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 26/08/2026 09:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 25/08/2026 16:00:00 |
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 |
112 (4 Moderate) | 7 (1 Low) | n/m | n/m | n/m | 25/08/2026 21:00:00 |
| Wrexham Timeseries Graph |
n/m | 47 (1 Low) | 2 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 26/08/2026 08:00:00 |
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 | 28 (1 Low) | n/m | 11 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 26/08/2026 13:00:00 |
| Blackburn Audley Park Timeseries Graph |
85 (3 Low) | n/m | n/m | 11 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| Blackpool Marton Timeseries Graph |
88 (3 Low) | 14 (1 Low) | n/m | 11 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 26/08/2026 12:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 11 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *1 | 26/08/2026 14:00:00 |
| Crewe Coppenhall Timeseries Graph |
99 (3 Low) | 11 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 26/08/2026 14:00:00 |
| Glazebury Timeseries Graph |
81 (3 Low) | 23 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| Liverpool Speke Timeseries Graph |
85 (3 Low) | 25 (1 Low) | 2 (1 Low) | 12 (2 Low) | 25 (2 Low) *1 | 26/08/2026 06:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
88 (3 Low) | n/m | n/m | 11 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Manchester Piccadilly Timeseries Graph |
77 (3 Low) | 28 (1 Low) | 1 (1 Low) | 14 (2 Low) | 24 (2 Low) *2 | 26/08/2026 10:30:00 |
| Manchester Sharston Timeseries Graph |
86 (3 Low) | 18 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Preston Timeseries Graph |
85 (3 Low) | 22 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Salford Eccles Timeseries Graph |
92 (3 Low) | 26 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 26/08/2026 11:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | 25 (2 Low) *1 | 26/08/2026 11:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Warrington Timeseries Graph |
n/m | n/a | n/m | 9 (1 Low) | n/a | 26/08/2026 14:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 26/08/2026 10:00:00 |
| Wigan Centre Timeseries Graph |
83 (3 Low) | 25 (1 Low) | n/m | 13 (2 Low) | 25 (2 Low) *2 | 26/08/2026 14:00:00 |
| Wirral Tranmere Timeseries Graph |
91 (3 Low) | 18 (1 Low) | n/m | 11 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
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 | 25 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 26/08/2026 11:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 26/08/2026 12:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 19 (1 Low) | 5 (1 Low) | n/m | n/m | 25/08/2026 14:45:00 |
| Belfast Centre Timeseries Graph |
64 (2 Low) | 29 (1 Low) | 2 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 25/08/2026 14:15:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | n/a | n/m | n/m | 23 (2 Low) *1 | 25/08/2026 01:00:00 |
| Derry Rosemount Timeseries Graph |
78 (3 Low) | 14 (1 Low) | 1 (1 Low) | 4 (1 Low) | 13 (1 Low) *1 | 25/08/2026 20:15:00 |
| Lough Navar Timeseries Graph |
79 (3 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 26/08/2026 14:00:00 |
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 | 35 (1 Low) | n/m | n/m | n/m | 26/08/2026 08:00:00 |
| Eskdalemuir Timeseries Graph |
78 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 25/08/2026 21:00:00 |
| Peebles Timeseries Graph |
80 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 26/08/2026 11:00:00 |
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 | 8 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Brighton Preston Park Timeseries Graph |
100 (3 Low) | 28 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *1 | 25/08/2026 05:00:00 |
| Chilbolton Observatory Timeseries Graph |
123 (5 Moderate) | 12 (1 Low) | 2 (1 Low) | 9 (1 Low) | 20 (2 Low) *2 | 25/08/2026 20:15:00 |
| Eastbourne Timeseries Graph |
93 (3 Low) | 16 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Horley Timeseries Graph |
n/m | 16 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Lullington Heath Timeseries Graph |
111 (4 Moderate) | 11 (1 Low) | 3 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 25/08/2026 14:15:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 25 (2 Low) *2 | 26/08/2026 12:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
101 (4 Moderate) | n/m | n/m | 10 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 26/08/2026 09:00:00 |
| Oxford St Ebbes Timeseries Graph |
111 (4 Moderate) | 38 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 26/08/2026 14:00:00 |
| Portsmouth Timeseries Graph |
109 (4 Moderate) | 47 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 26/08/2026 14:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| Reading London Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | 27 (2 Low) *1 | 26/08/2026 08:00:00 |
| Reading New Town Timeseries Graph |
111 (4 Moderate) | 31 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Rochester Stoke Timeseries Graph |
108 (4 Moderate) | 21 (1 Low) | 2 (1 Low) | 12 (2 Low) | 17 (2 Low) *2 | 26/08/2026 13:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 83 (2 Low) | n/m | 10 (1 Low) | 22 (2 Low) *2 | 26/08/2026 14:00:00 |
| Southampton Centre Timeseries Graph |
104 (4 Moderate) | 44 (1 Low) | 3 (1 Low) | 10 (1 Low) | 20 (2 Low) *2 | 25/08/2026 15:15:00 |
| Storrington Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 12 (2 Low) | n/m | 26/08/2026 14:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
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 |
94 (3 Low) | 34 (1 Low) | 2 (1 Low) | 14 (2 Low) | 22 (2 Low) *1 | 25/08/2026 19:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 69 (2 Low) | n/m | n/m | 28 (2 Low) *1 | 25/08/2026 21:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 55 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *1 | 26/08/2026 14:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
113 (4 Moderate) | 33 (1 Low) | n/m | n/m | n/m | 25/08/2026 20:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 25/08/2026 17:00:00 |
| Narberth Timeseries Graph |
74 (3 Low) | 9 (1 Low) | 2 (1 Low) | 12 (2 Low) | 19 (2 Low) *2 | 25/08/2026 17:45:00 |
| Newport Timeseries Graph |
n/m | 32 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Port Talbot Margam Timeseries Graph |
95 (3 Low) | 38 (1 Low) | 2 (1 Low) | 14 (2 Low) | 29 (2 Low) *3 | 25/08/2026 19:45:00 |
| Swansea Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | 20 (2 Low) | 30 (2 Low) *1 | 26/08/2026 01:00:00 |
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 | 9 (1 Low) | 16 (1 Low) *2 | 26/08/2026 11:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 26/08/2026 09:00:00 |
| Bournemouth Timeseries Graph |
107 (4 Moderate) | 27 (1 Low) | n/m | n/a | n/m | 25/08/2026 01:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 26/08/2026 12:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 26/08/2026 13:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 26/08/2026 14:00:00 |
| Bristol St Paul's Timeseries Graph |
106 (4 Moderate) | n/a | n/m | 8 (1 Low) | 20 (2 Low) *1 | 25/08/2026 04:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 55 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Charlton Mackrell Timeseries Graph |
117 (4 Moderate) | 13 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 26/08/2026 12:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | 10 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Exeter Roadside Timeseries Graph |
95 (3 Low) | 34 (1 Low) | n/m | n/m | n/m | 25/08/2026 22:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Honiton Timeseries Graph |
110 (4 Moderate) | 11 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 26/08/2026 10:00:00 |
| Plymouth Centre Timeseries Graph |
75 (3 Low) | 29 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 25/08/2026 22:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 23 (2 Low) *1 | 26/08/2026 10:00:00 |
| Swindon Walcot Timeseries Graph |
119 (4 Moderate) | 19 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Yarner Wood Timeseries Graph |
102 (4 Moderate) | 9 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 26/08/2026 10:00:00 |
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 |
76 (3 Low) | n/m | n/m | n/m | n/m | 25/08/2026 16:00:00 |
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 | 10 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
95 (3 Low) | 30 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Birmingham Hall Green Timeseries Graph |
109 (4 Moderate) | 26 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Birmingham Ladywood Timeseries Graph |
84 (3 Low) | 29 (1 Low) | 3 (1 Low) | 10 (1 Low) | 21 (2 Low) *2 | 26/08/2026 12:45:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
96 (3 Low) | 17 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 26/08/2026 10:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 11 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Coventry Allesley Timeseries Graph |
102 (4 Moderate) | 12 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 14:00:00 |
| Leamington Spa Timeseries Graph |
114 (4 Moderate) | 10 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 26/08/2026 14:00:00 |
| Leominster Timeseries Graph |
117 (4 Moderate) | 10 (1 Low) | n/m | n/m | n/m | 25/08/2026 21:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 26/08/2026 14:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
92 (3 Low) | 20 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 26/08/2026 09:00:00 |
| Telford Hollinswood Timeseries Graph |
117 (4 Moderate) | 21 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 26/08/2026 14:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Walsall Woodlands Timeseries Graph |
n/a | 13 (1 Low) | n/m | n/m | n/m | 25/08/2026 15:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
96 (3 Low) | 30 (1 Low) | n/m | n/m | n/m | 25/08/2026 20:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
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 |
89 (3 Low) | 13 (1 Low) | 2 (1 Low) | n/a | n/a | 25/08/2026 14:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 26/08/2026 10:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 24 (2 Low) *2 | 26/08/2026 14:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 22 (2 Low) *2 | 26/08/2026 14:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
89 (3 Low) | 19 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 33 (1 Low) | n/m | 10 (1 Low) | n/m | 26/08/2026 14:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 26/08/2026 14:00:00 |
| High Muffles Timeseries Graph |
79 (3 Low) | 5 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 26/08/2026 14:00:00 |
| Hull Freetown Timeseries Graph |
87 (3 Low) | 29 (1 Low) | 1 (1 Low) | 9 (1 Low) | 19 (2 Low) *2 | 26/08/2026 08:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 26/08/2026 14:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
94 (3 Low) | 21 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 26/08/2026 14:00:00 |
| Leeds Centre Timeseries Graph |
87 (3 Low) | 16 (1 Low) | 3 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 26/08/2026 11:45:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | n/a | n/m | 10 (1 Low) | 30 (2 Low) *1 | 26/08/2026 14:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 16 (1 Low) | 21 (1 Low) | 9 (1 Low) | 38 (3 Low) *1 | 26/08/2026 11:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | 10 (1 Low) | n/m | 26/08/2026 13:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
82 (3 Low) | 22 (1 Low) | n/m | 13 (2 Low) | 25 (2 Low) *2 | 26/08/2026 14:00:00 |
| Sheffield Tinsley Timeseries Graph |
88 (3 Low) | 34 (1 Low) | n/m | 11 (1 Low) | 26 (2 Low) *2 | 26/08/2026 13:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 21 (2 Low) *2 | 26/08/2026 14:00:00 |
| York Bootham Timeseries Graph |
79 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 21 (2 Low) *1 | 26/08/2026 14:00:00 |
| York Fishergate Timeseries Graph |
n/m | 19 (1 Low) | n/m | 5 (1 Low) | 23 (2 Low) *1 | 26/08/2026 14:00:00 |
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