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 10pm Sat 5th Sep 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 |
63 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 05/09/2026 12:00:00 |
| Bush Estate Timeseries Graph |
70 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 05/09/2026 12:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 05/09/2026 18:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 100 (2 Low) | n/m | n/m | n/m | 04/09/2026 24:00: |
| Edinburgh St Leonards Timeseries Graph |
64 (2 Low) | 11 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 02:30:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 05/09/2026 22:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 15 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 05/09/2026 11:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 05/09/2026 16:00:00 |
| Glasgow Townhead Timeseries Graph |
64 (2 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 09:00:00 |
| Grangemouth Timeseries Graph |
n/m | 5 (1 Low) | 5 (1 Low) | n/a | 13 (1 Low) *1 | 05/09/2026 21:15:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 05/09/2026 02:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/a | n/a | 03/09/2026 12:00:00 |
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 |
67 (3 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 10:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 10:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 54 (1 Low) | n/m | 5 (1 Low) | n/m | 05/09/2026 12:00:00 |
| Derby Stockbrook Park Timeseries Graph |
61 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 12:00:00 |
| Ladybower Timeseries Graph |
74 (3 Low) | 4 (1 Low) | n/a | 4 (1 Low) | 8 (1 Low) *2 | 04/09/2026 13:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 68 (2 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 05/09/2026 12:00:00 |
| Leicester University Timeseries Graph |
60 (2 Low) | 50 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 12:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 05/09/2026 20:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 22:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 05/09/2026 22:00:00 |
| Northampton Spring Park Timeseries Graph |
67 (3 Low) | 25 (1 Low) | n/m | n/a | n/m | 03/09/2026 02:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 22:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
65 (2 Low) | 32 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 02:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 46 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 12:00:00 |
| Tallington Timeseries Graph |
75 (3 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 13:00:00 |
| Toft Newton Timeseries Graph |
75 (3 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 05/09/2026 11:00:00 |
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 | 31 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 22:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 05/09/2026 22:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | n/m | 05/09/2026 22:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 74 (2 Low) | n/m | 6 (1 Low) | n/m | 05/09/2026 22:00:00 |
| Norwich Lakenfields Timeseries Graph |
65 (2 Low) | 26 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 14:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 05/09/2026 22:00:00 |
| Sibton Timeseries Graph |
65 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/09/2026 01:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 05/09/2026 22:00:00 |
| Southend-on-Sea Timeseries Graph |
72 (3 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 22:00:00 |
| St Osyth Timeseries Graph |
80 (3 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 22:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *1 | 05/09/2026 22:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 04/09/2026 01:00:00 |
| Thurrock Timeseries Graph |
68 (3 Low) | 31 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 05/09/2026 01:15:00 |
| Weybourne Timeseries Graph |
n/a | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 05/09/2026 22:00:00 |
| Wicken Fen Timeseries Graph |
67 (3 Low) | 47 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 02:30:00 |
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 | 50 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *1 | 05/09/2026 22:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 42 (3 Low) *1 | 05/09/2026 12:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 05/09/2026 22:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 05/09/2026 22:00:00 |
| London Bexley Timeseries Graph |
n/m | 24 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 22:00:00 |
| London Bloomsbury Timeseries Graph |
69 (3 Low) | 22 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 08:45:00 |
| London Farringdon Street Timeseries Graph |
n/m | 35 (1 Low) | n/m | 7 (1 Low) | n/m | 05/09/2026 16:00:00 |
| London Haringey Priory Park South Timeseries Graph |
69 (3 Low) | 35 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 22:00:00 |
| London Harlington Timeseries Graph |
76 (3 Low) | 42 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 17:00:00 |
| London Hillingdon Timeseries Graph |
75 (3 Low) | 63 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *2 | 05/09/2026 18:00:00 |
| London Honor Oak Park Timeseries Graph |
85 (3 Low) | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 22:00:00 |
| London Marylebone Road Timeseries Graph |
62 (2 Low) | 64 (1 Low) | 5 (1 Low) | 7 (1 Low) | 20 (2 Low) *1 | 04/09/2026 23:00:00 |
| London N. Kensington Timeseries Graph |
76 (3 Low) | 37 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 16:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 22:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 17:00:00 |
| London Westminster Timeseries Graph |
72 (3 Low) | 22 (1 Low) | n/m | n/m | n/m | 05/09/2026 20:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 05/09/2026 21:00:00 |
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 |
74 (3 Low) | 13 (1 Low) | n/m | n/m | n/m | 05/09/2026 08:00:00 |
| Inverness Timeseries Graph |
n/m | 13 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 15:00:00 |
| Lerwick Timeseries Graph |
74 (3 Low) | n/m | n/m | n/m | n/m | 05/09/2026 20:00:00 |
| Strathvaich Timeseries Graph |
75 (3 Low) | n/m | n/m | n/m | n/m | 05/09/2026 12:00:00 |
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) | 8 (1 Low) *2 | 05/09/2026 10:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
63 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 12:00:00 |
| Kielder Water Timeseries Graph |
57 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 05/09/2026 10:00:00 |
| Middlesbrough Timeseries Graph |
60 (2 Low) | 7 (1 Low) | n/a | 2 (1 Low) | 12 (1 Low) *1 | 03/09/2026 19:15:00 |
| Newcastle Centre Timeseries Graph |
61 (2 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *1 | 05/09/2026 10:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 69 (2 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 08:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 08:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 11 (1 Low) *2 | 05/09/2026 11:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 6 (1 Low) | n/m | 05/09/2026 11:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 3 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *1 | 05/09/2026 13:00:00 |
| Sunderland Silksworth Timeseries Graph |
60 (2 Low) | n/a | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 10:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | n/m | 05/09/2026 10:00:00 |
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 |
66 (2 Low) | 24 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 05/09/2026 22:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 05/09/2026 21:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 05/09/2026 21:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 05/09/2026 13:00:00 |
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 |
69 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 05/09/2026 21:00:00 |
| Wrexham Timeseries Graph |
n/m | 20 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 04/09/2026 22:45:00 |
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 | 16 (1 Low) | n/m | 6 (1 Low) | n/m | 05/09/2026 08:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 05/09/2026 21:00:00 |
| Blackburn Audley Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 09:00:00 |
| Blackpool Marton Timeseries Graph |
69 (3 Low) | 4 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 05/09/2026 08:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 05/09/2026 08:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 05/09/2026 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 8 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *1 | 05/09/2026 13:00:00 |
| Crewe Coppenhall Timeseries Graph |
74 (3 Low) | 15 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 10:00:00 |
| Glazebury Timeseries Graph |
68 (3 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 09:00:00 |
| Liverpool Speke Timeseries Graph |
66 (2 Low) | 31 (1 Low) | 2 (1 Low) | 7 (1 Low) | 15 (1 Low) *1 | 05/09/2026 03:30:00 |
| Liverpool Thirlmere Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 08:00:00 |
| Manchester Piccadilly Timeseries Graph |
52 (2 Low) | 17 (1 Low) | 1 (1 Low) | 7 (1 Low) | 18 (2 Low) *2 | 05/09/2026 02:45:00 |
| Manchester Sharston Timeseries Graph |
64 (2 Low) | 40 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 09:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 05/09/2026 12:00:00 |
| Preston Timeseries Graph |
62 (2 Low) | 12 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 05/09/2026 09:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 05/09/2026 10:00:00 |
| Salford Eccles Timeseries Graph |
70 (3 Low) | 33 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 05/09/2026 09:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 05/09/2026 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 05/09/2026 22:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 05/09/2026 10:00:00 |
| Warrington Timeseries Graph |
n/m | n/a | n/m | 2 (1 Low) | 15 (1 Low) *1 | 05/09/2026 09:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 05/09/2026 22:00:00 |
| Wigan Centre Timeseries Graph |
65 (2 Low) | 16 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 05/09/2026 09:00:00 |
| Wirral Tranmere Timeseries Graph |
65 (2 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 05/09/2026 08:00:00 |
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 | 30 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 05/09/2026 17:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 05/09/2026 20:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 19 (1 Low) | 10 (1 Low) | n/m | n/m | 04/09/2026 23:15:00 |
| Belfast Centre Timeseries Graph |
62 (2 Low) | 22 (1 Low) | 2 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 05/09/2026 02:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 05/09/2026 14:00:00 |
| Derry Rosemount Timeseries Graph |
61 (2 Low) | 11 (1 Low) | 1 (1 Low) | 3 (1 Low) | 14 (1 Low) *1 | 05/09/2026 18:45:00 |
| Lough Navar Timeseries Graph |
55 (2 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 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 | 23 (1 Low) | n/m | n/m | n/m | 05/09/2026 11:00:00 |
| Eskdalemuir Timeseries Graph |
62 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 05/09/2026 17:00:00 |
| Peebles Timeseries Graph |
66 (2 Low) | 6 (1 Low) | n/m | n/m | n/m | 05/09/2026 09:00:00 |
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 | 05/09/2026 22:00:00 |
| Brighton Preston Park Timeseries Graph |
73 (3 Low) | 21 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 22:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 6 (1 Low) | 20 (2 Low) *1 | 05/09/2026 22:00:00 |
| Chilbolton Observatory Timeseries Graph |
84 (3 Low) | 2 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 02:30:00 |
| Eastbourne Timeseries Graph |
75 (3 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 22:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 15:00:00 |
| Horley Timeseries Graph |
n/m | 35 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 22:00:00 |
| Lullington Heath Timeseries Graph |
87 (3 Low) | 7 (1 Low) | 2 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 09:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 05/09/2026 22:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
66 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 14:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 05/09/2026 21:00:00 |
| Oxford St Ebbes Timeseries Graph |
70 (3 Low) | 39 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 05/09/2026 17:00:00 |
| Portsmouth Timeseries Graph |
72 (3 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 05/09/2026 22:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 05/09/2026 22:00:00 |
| Reading London Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 05/09/2026 22:00:00 |
| Reading New Town Timeseries Graph |
73 (3 Low) | 24 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 16:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 05/09/2026 15:00:00 |
| Rochester Stoke Timeseries Graph |
80 (3 Low) | 19 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 05/09/2026 09:45:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 17:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 31 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 05/09/2026 21:00:00 |
| Southampton Centre Timeseries Graph |
67 (3 Low) | 51 (1 Low) | 4 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 05/09/2026 06:30:00 |
| Storrington Roadside Timeseries Graph |
n/m | 23 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 05/09/2026 22:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 8 (1 Low) | n/m | 05/09/2026 22:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 05/09/2026 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 |
68 (3 Low) | 20 (1 Low) | 1 (1 Low) | 10 (1 Low) | 17 (2 Low) *1 | 04/09/2026 24:15: |
| Cardiff Newport Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 05/09/2026 01:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 52 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 05/09/2026 11:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
77 (3 Low) | 12 (1 Low) | n/m | n/m | n/m | 05/09/2026 20:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 05/09/2026 07:00:00 |
| Narberth Timeseries Graph |
68 (3 Low) | 10 (1 Low) | 2 (1 Low) | 10 (1 Low) | 18 (2 Low) *2 | 05/09/2026 15:45:00 |
| Newport Timeseries Graph |
n/m | 16 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 05/09/2026 13:00:00 |
| Port Talbot Margam Timeseries Graph |
73 (3 Low) | 27 (1 Low) | 1 (1 Low) | 7 (1 Low) | 21 (2 Low) *3 | 05/09/2026 13:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *1 | 05/09/2026 14:00:00 |
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 | 7 (1 Low) | 16 (1 Low) *2 | 05/09/2026 11:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 05/09/2026 20:00:00 |
| Bournemouth Timeseries Graph |
74 (3 Low) | 10 (1 Low) | n/m | 8 (1 Low) | n/m | 05/09/2026 21:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 05/09/2026 22:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 05/09/2026 13:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 05/09/2026 13:00:00 |
| Bristol St Paul's Timeseries Graph |
74 (3 Low) | 18 (1 Low) | n/m | 7 (1 Low) | 20 (2 Low) *1 | 05/09/2026 11:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 29 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 05/09/2026 13:00:00 |
| Charlton Mackrell Timeseries Graph |
76 (3 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 05/09/2026 18:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 05/09/2026 21:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 5 (1 Low) | n/m | 05/09/2026 12:00:00 |
| Exeter Roadside Timeseries Graph |
62 (2 Low) | n/a | n/m | n/m | n/m | 05/09/2026 19:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 22:00:00 |
| Honiton Timeseries Graph |
78 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 05/09/2026 22:00:00 |
| Plymouth Centre Timeseries Graph |
67 (3 Low) | 30 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 05/09/2026 13:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 05/09/2026 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 19 (2 Low) *1 | 05/09/2026 13:00:00 |
| Swindon Walcot Timeseries Graph |
78 (3 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 05/09/2026 22:00:00 |
| Yarner Wood Timeseries Graph |
77 (3 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 05/09/2026 13:00:00 |
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 |
80 (3 Low) | n/m | n/m | n/m | n/m | 05/09/2026 13:00:00 |
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 | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 11:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
51 (2 Low) | 61 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *2 | 05/09/2026 10:00:00 |
| Birmingham Hall Green Timeseries Graph |
72 (3 Low) | 41 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 05/09/2026 22:00:00 |
| Birmingham Ladywood Timeseries Graph |
n/a | 38 (1 Low) | 4 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 22:00:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 11:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
65 (2 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 11:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 4 (1 Low) | n/m | 05/09/2026 11:00:00 |
| Coventry Allesley Timeseries Graph |
65 (2 Low) | 32 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 12:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 12:00:00 |
| Leamington Spa Timeseries Graph |
69 (3 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 12:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 12:00:00 |
| Leominster Timeseries Graph |
67 (3 Low) | 8 (1 Low) | n/m | n/m | n/m | 05/09/2026 19:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 11:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 10:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 11:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
54 (2 Low) | 50 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 05/09/2026 11:00:00 |
| Telford Hollinswood Timeseries Graph |
78 (3 Low) | 34 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 10:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 05/09/2026 11:00:00 |
| Walsall Woodlands Timeseries Graph |
70 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 05/09/2026 19:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
59 (2 Low) | 24 (1 Low) | n/m | n/m | n/m | 05/09/2026 19:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 10:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/09/2026 11:00:00 |
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 |
63 (2 Low) | 20 (1 Low) | 2 (1 Low) | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 09:45:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 05/09/2026 21:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 05/09/2026 09:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 10:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
69 (3 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 09:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 35 (1 Low) | n/m | 4 (1 Low) | n/m | 05/09/2026 10:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 10:00:00 |
| High Muffles Timeseries Graph |
57 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 05/09/2026 10:00:00 |
| Hull Freetown Timeseries Graph |
64 (2 Low) | 20 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 04/09/2026 22:15:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *2 | 05/09/2026 11:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
66 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 11:00:00 |
| Leeds Centre Timeseries Graph |
61 (2 Low) | 23 (1 Low) | n/a | 5 (1 Low) | 12 (1 Low) *2 | 04/09/2026 11:45:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *1 | 05/09/2026 12:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 22:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 27 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *1 | 05/09/2026 08:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | 4 (1 Low) | n/m | 05/09/2026 15:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
62 (2 Low) | 24 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 05/09/2026 10:00:00 |
| Sheffield Tinsley Timeseries Graph |
57 (2 Low) | 54 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 05/09/2026 10:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 05/09/2026 10:00:00 |
| York Bootham Timeseries Graph |
53 (2 Low) | 21 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *1 | 05/09/2026 12:00:00 |
| York Fishergate Timeseries Graph |
n/m | 34 (1 Low) | n/m | 4 (1 Low) | 15 (1 Low) *1 | 05/09/2026 11:00:00 |
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