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 Tue 2nd Dec 2025
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 |
68 (3 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 02/12/2025 22:00 |
| Bush Estate Timeseries Graph |
71 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 02/12/2025 19:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 01/12/2025 23:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 02/12/2025 22:00 |
| Edinburgh St Leonards Timeseries Graph |
64 (2 Low) | 25 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 01:30 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 02/12/2025 21:00 |
| Glasgow High Street Timeseries Graph |
n/m | 38 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/12/2025 22:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 02/12/2025 20:00 |
| Glasgow Townhead Timeseries Graph |
60 (2 Low) | 32 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/12/2025 22:00 |
| Grangemouth Timeseries Graph |
n/m | 38 (1 Low) | 6 (1 Low) | 7 (1 Low) | 9 (1 Low) *1 | 02/12/2025 13:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | n/m | 02/12/2025 18:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/12/2025 15:00 |
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 |
74 (3 Low) | 44 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 02/12/2025 22:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 67 (1 Low) | n/m | 5 (1 Low) | n/m | 02/12/2025 22:00 |
| Derby Stockbrook Park Timeseries Graph |
66 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Ladybower Timeseries Graph |
78 (3 Low) | 18 (1 Low) | 4 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 02/12/2025 09:45 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 76 (2 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/12/2025 22:00 |
| Leicester University Timeseries Graph |
70 (3 Low) | 29 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 02/12/2025 17:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/12/2025 22:00 |
| Northampton Spring Park Timeseries Graph |
71 (3 Low) | 35 (1 Low) | n/m | 7 (1 Low) | n/m | 02/12/2025 22:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
65 (2 Low) | 42 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 02/12/2025 17:30 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 58 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Tallington Timeseries Graph |
73 (3 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Toft Newton Timeseries Graph |
64 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
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 | n/a | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 17:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 21:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 02/12/2025 17:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 68 (2 Low) | n/m | 5 (1 Low) | n/m | 02/12/2025 22:00 |
| Norwich Lakenfields Timeseries Graph |
59 (2 Low) | 19 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 18:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Sibton Timeseries Graph |
58 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 03:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 01:00 |
| Southend-on-Sea Timeseries Graph |
60 (2 Low) | 21 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/12/2025 01:00 |
| St Osyth Timeseries Graph |
66 (2 Low) | 12 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 02/12/2025 02:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *1 | 02/12/2025 22:00 |
| Thurrock Timeseries Graph |
59 (2 Low) | 37 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 00:30 |
| Weybourne Timeseries Graph |
64 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/12/2025 22:00 |
| Wicken Fen Timeseries Graph |
61 (2 Low) | 14 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 02/12/2025 10:45 |
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 | 57 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 02/12/2025 21:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 14 (1 Low) *1 | 02/12/2025 19:00 |
| Haringey Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 02/12/2025 19:00 |
| London Bexley Timeseries Graph |
n/m | 56 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 02/12/2025 20:00 |
| London Bloomsbury Timeseries Graph |
60 (2 Low) | 44 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 02/12/2025 05:30 |
| London Farringdon Street Timeseries Graph |
n/m | 61 (1 Low) | n/m | 6 (1 Low) | n/m | 02/12/2025 19:00 |
| London Haringey Priory Park South Timeseries Graph |
65 (2 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 19:00 |
| London Harlington Timeseries Graph |
60 (2 Low) | 77 (2 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/12/2025 17:00 |
| London Hillingdon Timeseries Graph |
53 (2 Low) | 75 (2 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 02/12/2025 22:00 |
| London Honor Oak Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 20:00 |
| London Marylebone Road Timeseries Graph |
56 (2 Low) | 63 (1 Low) | 4 (1 Low) | 9 (1 Low) | 16 (1 Low) *1 | 02/12/2025 17:15 |
| London N. Kensington Timeseries Graph |
71 (3 Low) | 33 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 02/12/2025 04:45 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 19:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 02/12/2025 19:00 |
| London Westminster Timeseries Graph |
64 (2 Low) | 49 (1 Low) | n/m | n/m | n/m | 02/12/2025 05:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 02/12/2025 19:00 |
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 |
65 (2 Low) | 13 (1 Low) | n/m | n/m | n/m | 02/12/2025 12:00 |
| Inverness Timeseries Graph |
n/m | 40 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 02/12/2025 03:00 |
| Lerwick Timeseries Graph |
74 (3 Low) | n/m | n/m | n/m | n/m | 02/12/2025 13:00 |
| Strathvaich Timeseries Graph |
67 (3 Low) | n/m | n/m | n/m | n/m | 01/12/2025 03:00 |
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 |
| Hartlepool St Abbs Walk Timeseries Graph |
61 (2 Low) | 57 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Kielder Water Timeseries Graph |
66 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 02/12/2025 22:00 |
| Middlesbrough Timeseries Graph |
71 (3 Low) | 32 (1 Low) | 2 (1 Low) | 3 (1 Low) | 9 (1 Low) *1 | 02/12/2025 16:15 |
| Newcastle Centre Timeseries Graph |
61 (2 Low) | 47 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 02/12/2025 22:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 67 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | 4 (1 Low) | n/m | 02/12/2025 22:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 45 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *1 | 02/12/2025 22:00 |
| Sunderland Silksworth Timeseries Graph |
70 (3 Low) | 23 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 35 (1 Low) | n/m | 4 (1 Low) | n/m | 02/12/2025 22:00 |
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 |
53 (2 Low) | 35 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/12/2025 01:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 01/12/2025 23:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 02/12/2025 16:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 02/12/2025 09:00 |
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 |
79 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 01/12/2025 23:00 |
| Wrexham Timeseries Graph |
n/m | 54 (1 Low) | 3 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 13:30 |
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 | 50 (1 Low) | n/m | 5 (1 Low) | n/m | 02/12/2025 22:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 02/12/2025 17:00 |
| Blackburn Audley Park Timeseries Graph |
67 (3 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Blackpool Marton Timeseries Graph |
70 (3 Low) | 50 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/12/2025 22:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 02/12/2025 22:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 02/12/2025 20:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 16 (1 Low) | n/m | 5 (1 Low) | 6 (1 Low) *1 | 02/12/2025 13:00 |
| Crewe Coppenhall Timeseries Graph |
69 (3 Low) | 38 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Glazebury Timeseries Graph |
63 (2 Low) | 27 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Liverpool Speke Timeseries Graph |
67 (3 Low) | 19 (1 Low) | 16 (1 Low) | 6 (1 Low) | 12 (1 Low) *1 | 02/12/2025 12:45 |
| Liverpool Thirlmere Park Timeseries Graph |
69 (3 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Manchester Piccadilly Timeseries Graph |
59 (2 Low) | 73 (2 Low) | 3 (1 Low) | 6 (1 Low) | 8 (1 Low) *2 | 02/12/2025 18:45 |
| Manchester Sharston Timeseries Graph |
70 (3 Low) | 28 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 02/12/2025 22:00 |
| Preston Timeseries Graph |
66 (2 Low) | 33 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Salford Eccles Timeseries Graph |
68 (3 Low) | 48 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/12/2025 22:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | n/m | 02/12/2025 16:00 |
| St Helens Linkway Timeseries Graph |
n/m | 65 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 02/12/2025 16:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 01/12/2025 24:00 |
| Warrington Timeseries Graph |
n/m | 29 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *1 | 02/12/2025 22:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 02/12/2025 16:00 |
| Wigan Centre Timeseries Graph |
65 (2 Low) | 55 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 02/12/2025 22:00 |
| Wirral Tranmere Timeseries Graph |
70 (3 Low) | 29 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
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 | 53 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 02/12/2025 16:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 02/12/2025 18:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 26 (1 Low) | 45 (1 Low) | n/m | n/m | 02/12/2025 18:30 |
| Belfast Centre Timeseries Graph |
48 (2 Low) | 52 (1 Low) | 3 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 02/12/2025 20:45 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 87 (2 Low) | n/m | n/m | 18 (2 Low) *1 | 02/12/2025 17:00 |
| Derry Rosemount Timeseries Graph |
53 (2 Low) | 13 (1 Low) | n/a | 4 (1 Low) | 9 (1 Low) *1 | 30/11/2025 14:45 |
| Lough Navar Timeseries Graph |
58 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 15:00 |
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 | 27 (1 Low) | n/m | n/m | n/m | 02/12/2025 09:00 |
| Eskdalemuir Timeseries Graph |
65 (2 Low) | 6 (1 Low) | n/m | n/m | n/m | 02/12/2025 03:00 |
| Peebles Timeseries Graph |
70 (3 Low) | 8 (1 Low) | n/m | n/m | n/m | 02/12/2025 19:00 |
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 | 02/12/2025 19:00 |
| Brighton Preston Park Timeseries Graph |
69 (3 Low) | 27 (1 Low) | n/m | 9 (1 Low) | 22 (2 Low) *2 | 02/12/2025 03:00 |
| Chatham Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 4 (1 Low) | 15 (1 Low) *1 | 02/12/2025 20:00 |
| Chilbolton Observatory Timeseries Graph |
80 (3 Low) | 12 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 02/12/2025 17:30 |
| Eastbourne Timeseries Graph |
73 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/12/2025 01:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 16:00 |
| Horley Timeseries Graph |
n/m | 69 (2 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/12/2025 24:00 |
| Lullington Heath Timeseries Graph |
79 (3 Low) | 4 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 02/12/2025 04:15 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/12/2025 24:00 |
| Milton Keynes Civic Centre Timeseries Graph |
70 (3 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 19/08/2025 16:00 |
| Oxford St Ebbes Timeseries Graph |
63 (2 Low) | 35 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Portsmouth Timeseries Graph |
60 (2 Low) | 39 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/12/2025 24:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 56 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 01/12/2025 24:00 |
| Reading London Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | 9 (1 Low) *1 | 02/12/2025 09:00 |
| Reading New Town Timeseries Graph |
49 (2 Low) | 35 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 02/12/2025 17:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 02/12/2025 18:00 |
| Rochester Stoke Timeseries Graph |
68 (3 Low) | 15 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 01/12/2025 22:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 17:00 |
| Southampton A33 Timeseries Graph |
n/m | 95 (2 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/12/2025 15:00 |
| Southampton Centre Timeseries Graph |
66 (2 Low) | 66 (1 Low) | 5 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 02/12/2025 19:15 |
| Storrington Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 02/12/2025 16:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 11 (1 Low) | n/m | 02/12/2025 05:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 26 (2 Low) *2 | 02/12/2025 02:00 |
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 |
70 (3 Low) | 46 (1 Low) | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *1 | 02/12/2025 15:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 02/12/2025 22:00 |
| Chepstow A48 Timeseries Graph |
n/m | 75 (2 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 02/12/2025 18:00 |
| Cwmbran Crownbridge Timeseries Graph |
78 (3 Low) | 58 (1 Low) | n/m | n/m | n/m | 02/12/2025 01:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 02/12/2025 07:00 |
| Narberth Timeseries Graph |
76 (3 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 01/12/2025 22:15 |
| Newport Timeseries Graph |
n/m | 55 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/12/2025 22:00 |
| Port Talbot Margam Timeseries Graph |
74 (3 Low) | 27 (1 Low) | 1 (1 Low) | 4 (1 Low) | 20 (2 Low) *3 | 02/12/2025 03:15 |
| Swansea Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 02/12/2025 03:00 |
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) | 8 (1 Low) *2 | 02/12/2025 14:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 65 (1 Low) | n/m | n/m | n/m | 02/12/2025 18:00 |
| Bournemouth Timeseries Graph |
71 (3 Low) | 40 (1 Low) | n/m | 7 (1 Low) | n/m | 02/12/2025 16:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Bristol St Paul's Timeseries Graph |
61 (2 Low) | 61 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 02/12/2025 22:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 82 (2 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 02/12/2025 22:00 |
| Charlton Mackrell Timeseries Graph |
73 (3 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 02/12/2025 22:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 74 (2 Low) | n/m | 8 (1 Low) | n/m | 02/12/2025 08:00 |
| Exeter Roadside Timeseries Graph |
67 (3 Low) | 72 (2 Low) | n/m | n/m | n/m | 01/12/2025 23:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Honiton Timeseries Graph |
73 (3 Low) | 26 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Plymouth Centre Timeseries Graph |
73 (3 Low) | 74 (2 Low) | n/m | 10 (1 Low) | 24 (2 Low) *2 | 02/12/2025 06:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 113 (2 Low) | n/m | n/m | n/m | 02/12/2025 18:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 16 (1 Low) *1 | 02/12/2025 22:00 |
| Swindon Walcot Timeseries Graph |
74 (3 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 02/12/2025 18:00 |
| Yarner Wood Timeseries Graph |
78 (3 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/12/2025 08:00 |
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 |
83 (3 Low) | n/m | n/m | n/m | n/m | 02/12/2025 06:00 |
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 |
| Birmingham A4540 Roadside Timeseries Graph |
62 (2 Low) | 69 (2 Low) | n/m | n/a | n/a | 30/11/2025 24:00 |
| Birmingham Hall Green Timeseries Graph |
76 (3 Low) | 12 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Birmingham Ladywood Timeseries Graph |
77 (3 Low) | 38 (1 Low) | 2 (1 Low) | n/a | n/a | 02/12/2025 15:15 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
70 (3 Low) | 52 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 5 (1 Low) | n/m | 02/12/2025 22:00 |
| Coventry Allesley Timeseries Graph |
68 (3 Low) | 42 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 56 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Leamington Spa Timeseries Graph |
71 (3 Low) | 24 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 02/12/2025 07:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/12/2025 22:00 |
| Leominster Timeseries Graph |
72 (3 Low) | 35 (1 Low) | n/m | n/m | n/m | 01/12/2025 23:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 71 (2 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 02/12/2025 22:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 82 (2 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Stoke-on-Trent Centre Timeseries Graph |
67 (3 Low) | 42 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Telford Hollinswood Timeseries Graph |
75 (3 Low) | 47 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Walsall Woodlands Timeseries Graph |
71 (3 Low) | 44 (1 Low) | n/m | n/m | n/m | 01/12/2025 24:00 |
| West Bromwich Kenrick Park Timeseries Graph |
73 (3 Low) | 55 (1 Low) | n/m | n/m | n/m | 01/12/2025 24:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
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 |
72 (3 Low) | 42 (1 Low) | 4 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 02/12/2025 16:45 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 82 (2 Low) | n/m | n/m | n/m | 02/12/2025 20:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 24 (2 Low) *2 | 02/12/2025 12:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
74 (3 Low) | 68 (2 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/12/2025 22:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 76 (2 Low) | n/m | 5 (1 Low) | n/m | 02/12/2025 22:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| High Muffles Timeseries Graph |
65 (2 Low) | 13 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 02/12/2025 18:00 |
| Hull Freetown Timeseries Graph |
61 (2 Low) | 38 (1 Low) | 4 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 02/12/2025 12:45 |
| Hull Holderness Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| Immingham Woodlands Avenue Timeseries Graph |
71 (3 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/12/2025 22:00 |
| Leeds Centre Timeseries Graph |
68 (3 Low) | 64 (1 Low) | 9 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 02/12/2025 07:15 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 71 (2 Low) | n/m | 10 (1 Low) | 14 (1 Low) *1 | 02/12/2025 22:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 57 (1 Low) | 2 (1 Low) | 7 (1 Low) | 9 (1 Low) *1 | 02/12/2025 17:30 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 79 (2 Low) | n/m | 6 (1 Low) | n/m | 02/12/2025 22:00 |
| Sheffield Devonshire Green Timeseries Graph |
65 (2 Low) | 54 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 02/12/2025 22:00 |
| Sheffield Tinsley Timeseries Graph |
64 (2 Low) | 61 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/12/2025 22:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/12/2025 22:00 |
| York Bootham Timeseries Graph |
58 (2 Low) | 38 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 02/12/2025 22:00 |
| York Fishergate Timeseries Graph |
n/m | 58 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *1 | 02/12/2025 22:00 |
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