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 9am Tue 25th Nov 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 |
61 (2 Low) | n/m | n/m | 1 (1 Low) | 2 (1 Low) *2 | 24/11/2025 24:00 |
| Bush Estate Timeseries Graph |
68 (3 Low) | 6 (1 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 24/11/2025 19:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 70 (2 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Edinburgh St Leonards Timeseries Graph |
53 (2 Low) | 58 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 24/11/2025 09:15 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Glasgow High Street Timeseries Graph |
n/m | 64 (1 Low) | n/m | 2 (1 Low) | 7 (1 Low) *2 | 25/11/2025 09:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 78 (2 Low) | n/m | n/m | n/m | 24/11/2025 10:00 |
| Glasgow Townhead Timeseries Graph |
59 (2 Low) | 62 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 25/11/2025 09:00 |
| Grangemouth Timeseries Graph |
n/m | 55 (1 Low) | 5 (1 Low) | 5 (1 Low) | 4 (1 Low) *1 | 25/11/2025 08:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 25/11/2025 08:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 64 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 25/11/2025 09:00 |
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 |
61 (2 Low) | 19 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 64 (1 Low) | n/m | 4 (1 Low) | n/m | 25/11/2025 05:00 |
| Derby Stockbrook Park Timeseries Graph |
58 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 25/11/2025 02:00 |
| Ladybower Timeseries Graph |
61 (2 Low) | 4 (1 Low) | 3 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 09:15 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 72 (2 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 25/11/2025 04:00 |
| Leicester University Timeseries Graph |
49 (2 Low) | 44 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 03:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 24/11/2025 18:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 25/11/2025 05:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Northampton Spring Park Timeseries Graph |
56 (2 Low) | 23 (1 Low) | n/m | n/a | n/m | 17/11/2025 22:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 25/11/2025 02:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
53 (2 Low) | 47 (1 Low) | 5 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 24/11/2025 09:15 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 66 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 25/11/2025 02:00 |
| Tallington Timeseries Graph |
62 (2 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 25/11/2025 03:00 |
| Toft Newton Timeseries Graph |
60 (2 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 02:00 |
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 | 3 (1 Low) | 6 (1 Low) *2 | 25/11/2025 05:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 06:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | n/m | 24/11/2025 10:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 4 (1 Low) | n/m | 25/11/2025 05:00 |
| Norwich Lakenfields Timeseries Graph |
63 (2 Low) | 26 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 25/11/2025 08:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 25/11/2025 05:00 |
| Sibton Timeseries Graph |
61 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 09:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 06:00 |
| Southend-on-Sea Timeseries Graph |
54 (2 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 08:00 |
| St Osyth Timeseries Graph |
58 (2 Low) | 12 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 25/11/2025 09:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *1 | 25/11/2025 08:00 |
| Thurrock Timeseries Graph |
57 (2 Low) | 36 (1 Low) | 4 (1 Low) | 6 (1 Low) | 23 (2 Low) *2 | 24/11/2025 13:30 |
| Weybourne Timeseries Graph |
73 (3 Low) | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 25/11/2025 09:00 |
| Wicken Fen Timeseries Graph |
53 (2 Low) | 15 (1 Low) | 2 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 24/11/2025 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 | 64 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 25/11/2025 09:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 15 (1 Low) *1 | 25/11/2025 07:00 |
| Haringey Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 24/11/2025 10:00 |
| London Bexley Timeseries Graph |
n/m | 40 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 25/11/2025 06:00 |
| London Bloomsbury Timeseries Graph |
43 (2 Low) | 49 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 24/11/2025 13:15 |
| London Farringdon Street Timeseries Graph |
n/m | 49 (1 Low) | n/m | 5 (1 Low) | n/m | 25/11/2025 06:00 |
| London Haringey Priory Park South Timeseries Graph |
55 (2 Low) | 28 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 25/11/2025 06:00 |
| London Harlington Timeseries Graph |
54 (2 Low) | 36 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 25/11/2025 05:00 |
| London Hillingdon Timeseries Graph |
52 (2 Low) | 39 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 25/11/2025 05:00 |
| London Honor Oak Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 07:00 |
| London Marylebone Road Timeseries Graph |
57 (2 Low) | 48 (1 Low) | 4 (1 Low) | 6 (1 Low) | 12 (1 Low) *1 | 24/11/2025 09:15 |
| London N. Kensington Timeseries Graph |
56 (2 Low) | 32 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 16:30 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 09:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 09:00 |
| London Westminster Timeseries Graph |
52 (2 Low) | 46 (1 Low) | n/m | n/a | n/m | 31/12/2023 24:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 24/11/2025 13:00 |
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 |
63 (2 Low) | 34 (1 Low) | n/m | n/m | n/m | 24/11/2025 14:00 |
| Inverness Timeseries Graph |
n/m | 48 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 25/11/2025 09:00 |
| Lerwick Timeseries Graph |
73 (3 Low) | n/m | n/m | n/m | n/m | 25/11/2025 09:00 |
| Strathvaich Timeseries Graph |
73 (3 Low) | n/m | n/m | n/m | n/m | 24/11/2025 13:00 |
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 |
62 (2 Low) | 19 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 24/11/2025 24:00 |
| Kielder Water Timeseries Graph |
57 (2 Low) | n/m | n/m | 1 (1 Low) | 2 (1 Low) *2 | 24/11/2025 24:00 |
| Middlesbrough Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 16/11/2025 17:45 |
| Newcastle Centre Timeseries Graph |
58 (2 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 25/11/2025 08:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | 4 (1 Low) | n/m | 25/11/2025 01:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 42 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 25/11/2025 01:00 |
| Sunderland Silksworth Timeseries Graph |
n/a | 21 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 29 (1 Low) | n/m | 4 (1 Low) | n/m | 24/11/2025 24:00 |
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 |
61 (2 Low) | 30 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 24/11/2025 10:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 70 (2 Low) | n/m | n/m | n/m | 25/11/2025 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 |
60 (2 Low) | 4 (1 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Wrexham Timeseries Graph |
n/m | 29 (1 Low) | 2 (1 Low) | n/a | n/a | 24/11/2025 09:15 |
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 | 54 (1 Low) | n/m | 3 (1 Low) | n/m | 24/11/2025 24:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 25/11/2025 08:00 |
| Blackburn Audley Park Timeseries Graph |
49 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Blackpool Marton Timeseries Graph |
54 (2 Low) | 25 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 24/11/2025 24:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 25/11/2025 08:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 25 (1 Low) | n/m | 5 (1 Low) | 5 (1 Low) *1 | 24/11/2025 24:00 |
| Crewe Coppenhall Timeseries Graph |
53 (2 Low) | 27 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
| Glazebury Timeseries Graph |
46 (2 Low) | 24 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
| Liverpool Speke Timeseries Graph |
55 (2 Low) | 29 (1 Low) | 3 (1 Low) | 4 (1 Low) | 10 (1 Low) *1 | 24/11/2025 09:30 |
| Liverpool Thirlmere Park Timeseries Graph |
56 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Manchester Piccadilly Timeseries Graph |
41 (2 Low) | 48 (1 Low) | 2 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 24/11/2025 10:15 |
| Manchester Sharston Timeseries Graph |
43 (2 Low) | 53 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 24/11/2025 24:00 |
| Preston Timeseries Graph |
48 (2 Low) | 60 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Salford Eccles Timeseries Graph |
55 (2 Low) | 49 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| St Helens Linkway Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | 6 (1 Low) *1 | 25/11/2025 09:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 25/11/2025 09:00 |
| Warrington Timeseries Graph |
n/m | 31 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *1 | 24/11/2025 24:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Wigan Centre Timeseries Graph |
52 (2 Low) | 34 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Wirral Tranmere Timeseries Graph |
56 (2 Low) | 46 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
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 | 97 (2 Low) | n/m | n/m | n/a | 25/11/2025 09:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 25/11/2025 08:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 58 (1 Low) | 60 (1 Low) | n/m | n/m | 25/11/2025 05:45 |
| Belfast Centre Timeseries Graph |
60 (2 Low) | 58 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 25/11/2025 07:30 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 90 (2 Low) | n/m | n/m | 14 (1 Low) *1 | 25/11/2025 09:00 |
| Derry Rosemount Timeseries Graph |
67 (3 Low) | 37 (1 Low) | 25 (1 Low) | 3 (1 Low) | 10 (1 Low) *1 | 24/11/2025 21:15 |
| Lough Navar Timeseries Graph |
58 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 05:00 |
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 | 40 (1 Low) | n/m | n/m | n/m | 24/11/2025 10:00 |
| Eskdalemuir Timeseries Graph |
59 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Peebles Timeseries Graph |
66 (2 Low) | 28 (1 Low) | n/m | n/m | n/m | 24/11/2025 18:00 |
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 | 3 (1 Low) | n/m | 25/11/2025 09:00 |
| Brighton Preston Park Timeseries Graph |
51 (2 Low) | 19 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Chatham Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 25/11/2025 09:00 |
| Chilbolton Observatory Timeseries Graph |
59 (2 Low) | 10 (1 Low) | 2 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 25/11/2025 02:30 |
| Eastbourne Timeseries Graph |
59 (2 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 25/11/2025 09:00 |
| Horley Timeseries Graph |
n/m | 19 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| Lullington Heath Timeseries Graph |
69 (3 Low) | 12 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 24/11/2025 15:30 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Milton Keynes Civic Centre Timeseries Graph |
55 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 25/11/2025 09:00 |
| 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 |
47 (2 Low) | 22 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 25/11/2025 09:00 |
| Portsmouth Timeseries Graph |
60 (2 Low) | 31 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| Reading London Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 24/11/2025 10:00 |
| Reading New Town Timeseries Graph |
50 (2 Low) | 23 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 25/11/2025 09:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 25/11/2025 09:00 |
| Rochester Stoke Timeseries Graph |
61 (2 Low) | 18 (1 Low) | 3 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 24/11/2025 09:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 25/11/2025 09:00 |
| Southampton A33 Timeseries Graph |
n/m | 55 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Southampton Centre Timeseries Graph |
51 (2 Low) | 37 (1 Low) | 3 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 09:15 |
| Storrington Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 25/11/2025 09:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 10 (1 Low) | n/m | 25/11/2025 08:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
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 |
52 (2 Low) | 35 (1 Low) | 2 (1 Low) | 5 (1 Low) | 7 (1 Low) *1 | 24/11/2025 09:45 |
| Cardiff Newport Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | 8 (1 Low) *1 | 25/11/2025 09:00 |
| Chepstow A48 Timeseries Graph |
n/m | 25 (1 Low) | n/m | 7 (1 Low) | 8 (1 Low) *1 | 25/11/2025 08:00 |
| Cwmbran Crownbridge Timeseries Graph |
58 (2 Low) | 12 (1 Low) | n/m | n/m | n/m | 24/11/2025 18:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 89 (2 Low) | n/m | n/m | n/m | 25/11/2025 09:00 |
| Narberth Timeseries Graph |
67 (3 Low) | 2 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 24/11/2025 11:00 |
| Newport Timeseries Graph |
n/m | 37 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 24/11/2025 24:00 |
| Port Talbot Margam Timeseries Graph |
52 (2 Low) | 29 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *3 | 24/11/2025 18:15 |
| Swansea Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *1 | 25/11/2025 01:00 |
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 | 24/11/2025 24:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 24/11/2025 10:00 |
| Bournemouth Timeseries Graph |
58 (2 Low) | 16 (1 Low) | n/m | 7 (1 Low) | n/m | 25/11/2025 03:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 24/11/2025 24:00 |
| Bristol St Paul's Timeseries Graph |
46 (2 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *1 | 25/11/2025 09:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 55 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| Charlton Mackrell Timeseries Graph |
60 (2 Low) | 4 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 24/11/2025 24:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 21/11/2025 07:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | 4 (1 Low) | n/m | 25/11/2025 09:00 |
| Exeter Roadside Timeseries Graph |
62 (2 Low) | 42 (1 Low) | n/m | n/m | n/m | 24/11/2025 10:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Honiton Timeseries Graph |
56 (2 Low) | 16 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 24/11/2025 24:00 |
| Plymouth Centre Timeseries Graph |
59 (2 Low) | 63 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 24/11/2025 24:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 80 (2 Low) | n/m | n/m | n/m | 25/11/2025 08:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 11 (1 Low) *1 | 25/11/2025 09:00 |
| Swindon Walcot Timeseries Graph |
54 (2 Low) | 27 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 25/11/2025 01:00 |
| Yarner Wood Timeseries Graph |
67 (3 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 24/11/2025 24:00 |
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 |
71 (3 Low) | n/m | n/m | n/m | n/m | 24/11/2025 18:00 |
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 |
38 (2 Low) | 56 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Birmingham Hall Green Timeseries Graph |
44 (2 Low) | 45 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 01:00 |
| Birmingham Ladywood Timeseries Graph |
47 (2 Low) | 46 (1 Low) | 3 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 24/11/2025 09:15 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
57 (2 Low) | 36 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 25/11/2025 05:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 4 (1 Low) | n/m | 24/11/2025 24:00 |
| Coventry Allesley Timeseries Graph |
52 (2 Low) | 35 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 25/11/2025 02:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 25/11/2025 07:00 |
| Leamington Spa Timeseries Graph |
49 (2 Low) | 38 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 25/11/2025 09:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 25/11/2025 09:00 |
| Leominster Timeseries Graph |
54 (2 Low) | 19 (1 Low) | n/m | n/m | n/m | 25/11/2025 01:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 55 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 25/11/2025 09:00 |
| Stoke-on-Trent Centre Timeseries Graph |
41 (2 Low) | 34 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Telford Hollinswood Timeseries Graph |
48 (2 Low) | 34 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
| Walsall Woodlands Timeseries Graph |
47 (2 Low) | 21 (1 Low) | n/m | n/m | n/m | 25/11/2025 07:00 |
| West Bromwich Kenrick Park Timeseries Graph |
44 (2 Low) | 54 (1 Low) | n/m | n/m | n/m | 25/11/2025 05:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
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 |
53 (2 Low) | 22 (1 Low) | 3 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 10:15 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 24/11/2025 16:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 25/11/2025 02:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
53 (2 Low) | 42 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/11/2025 24:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 42 (1 Low) | n/m | 4 (1 Low) | n/m | 24/11/2025 24:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/11/2025 24:00 |
| High Muffles Timeseries Graph |
64 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 23/11/2025 24:00 |
| Hull Freetown Timeseries Graph |
62 (2 Low) | 40 (1 Low) | 3 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 24/11/2025 12:15 |
| Hull Holderness Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 25/11/2025 03:00 |
| Immingham Woodlands Avenue Timeseries Graph |
65 (2 Low) | 18 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 25/11/2025 04:00 |
| Leeds Centre Timeseries Graph |
49 (2 Low) | 28 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 25/11/2025 02:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *1 | 25/11/2025 05:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 42 (1 Low) | 5 (1 Low) | 6 (1 Low) | 8 (1 Low) *1 | 24/11/2025 15:15 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 6 (1 Low) | n/m | 24/11/2025 24:00 |
| Sheffield Devonshire Green Timeseries Graph |
50 (2 Low) | 25 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| Sheffield Tinsley Timeseries Graph |
48 (2 Low) | 50 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 24/11/2025 24:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/11/2025 24:00 |
| York Bootham Timeseries Graph |
48 (2 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *1 | 25/11/2025 01:00 |
| York Fishergate Timeseries Graph |
n/m | 48 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 24/11/2025 24:00 |
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