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 4am Thu 11th 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 |
75 (3 Low) | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 11/12/2025 04:00 |
| Bush Estate Timeseries Graph |
83 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 10/12/2025 01:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 10/12/2025 14:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 09/12/2025 13:00 |
| Edinburgh St Leonards Timeseries Graph |
72 (3 Low) | 9 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 14:30 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Glasgow High Street Timeseries Graph |
n/m | 16 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 11/12/2025 04:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 10/12/2025 15:00 |
| Glasgow Townhead Timeseries Graph |
81 (3 Low) | 14 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 11/12/2025 04:00 |
| Grangemouth Timeseries Graph |
n/m | 7 (1 Low) | 1 (1 Low) | 8 (1 Low) | 17 (2 Low) *1 | 11/12/2025 01:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 10/12/2025 10:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 11/12/2025 04:00 |
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) | 7 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 11/12/2025 04:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 56 (1 Low) | n/m | 9 (1 Low) | n/m | 11/12/2025 03:00 |
| Derby Stockbrook Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 03:00 |
| Ladybower Timeseries Graph |
75 (3 Low) | 3 (1 Low) | 6 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 10/12/2025 10:15 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 04:00 |
| Leicester University Timeseries Graph |
71 (3 Low) | 26 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 11/12/2025 03:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| Northampton Spring Park Timeseries Graph |
70 (3 Low) | 15 (1 Low) | n/m | 10 (1 Low) | n/m | 11/12/2025 01:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 11/12/2025 03:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
67 (3 Low) | 25 (1 Low) | 1 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 04:15 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 46 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 03:00 |
| Tallington Timeseries Graph |
76 (3 Low) | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 11/12/2025 03:00 |
| Toft Newton Timeseries Graph |
68 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 11/12/2025 04:00 |
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 | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 04:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 9 (1 Low) | n/m | 10/12/2025 24:00 |
| Norwich Lakenfields Timeseries Graph |
70 (3 Low) | 14 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 01:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 02:00 |
| Sibton Timeseries Graph |
66 (2 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 10/12/2025 24:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Southend-on-Sea Timeseries Graph |
65 (2 Low) | 21 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| St Osyth Timeseries Graph |
74 (3 Low) | 12 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 23 (1 Low) | n/m | 13 (2 Low) | 25 (2 Low) *1 | 10/12/2025 24:00 |
| Thurrock Timeseries Graph |
69 (3 Low) | 44 (1 Low) | 3 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 10/12/2025 17:15 |
| Weybourne Timeseries Graph |
73 (3 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 11/12/2025 03:00 |
| Wicken Fen Timeseries Graph |
66 (2 Low) | 10 (1 Low) | 3 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 10/12/2025 15:15 |
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 | 37 (1 Low) | n/m | 13 (2 Low) | 27 (2 Low) *1 | 10/12/2025 24:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 34 (3 Low) *1 | 10/12/2025 24:00 |
| Haringey Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
| London Bexley Timeseries Graph |
n/m | 28 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| London Bloomsbury Timeseries Graph |
66 (2 Low) | 28 (1 Low) | 3 (1 Low) | 9 (1 Low) | 20 (2 Low) *2 | 10/12/2025 11:30 |
| London Farringdon Street Timeseries Graph |
n/m | 55 (1 Low) | n/m | 11 (1 Low) | n/m | 10/12/2025 24:00 |
| London Haringey Priory Park South Timeseries Graph |
71 (3 Low) | 26 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| London Harlington Timeseries Graph |
64 (2 Low) | 50 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 10/12/2025 20:00 |
| London Hillingdon Timeseries Graph |
56 (2 Low) | 59 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 03:00 |
| London Honor Oak Park Timeseries Graph |
78 (3 Low) | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| London Marylebone Road Timeseries Graph |
53 (2 Low) | 65 (1 Low) | 11 (1 Low) | 13 (2 Low) | 28 (2 Low) *1 | 10/12/2025 14:45 |
| London N. Kensington Timeseries Graph |
76 (3 Low) | 24 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 05:30 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| London Westminster Timeseries Graph |
69 (3 Low) | 26 (1 Low) | n/m | n/m | n/m | 10/12/2025 05:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 10/12/2025 18:00 |
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 |
83 (3 Low) | 12 (1 Low) | n/m | n/m | n/m | 10/12/2025 05:00 |
| Inverness Timeseries Graph |
n/m | 20 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 11/12/2025 04:00 |
| Lerwick Timeseries Graph |
86 (3 Low) | n/m | n/m | n/m | n/m | 10/12/2025 22:00 |
| Strathvaich Timeseries Graph |
89 (3 Low) | n/m | n/m | n/m | n/m | 10/12/2025 16:00 |
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 |
68 (3 Low) | 10 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 11/12/2025 04:00 |
| Kielder Water Timeseries Graph |
74 (3 Low) | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Middlesbrough Timeseries Graph |
76 (3 Low) | 8 (1 Low) | 2 (1 Low) | 5 (1 Low) | 16 (1 Low) *1 | 10/12/2025 05:30 |
| Newcastle Centre Timeseries Graph |
73 (3 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 21 (2 Low) *1 | 11/12/2025 04:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 04:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/a | n/m | 10/12/2025 24:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 7 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 11/12/2025 04:00 |
| Sunderland Silksworth Timeseries Graph |
74 (3 Low) | 11 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 18 (1 Low) | n/m | 8 (1 Low) | n/m | 11/12/2025 04:00 |
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 |
79 (3 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 11/12/2025 04:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 10/12/2025 16:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 10/12/2025 13:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 10/12/2025 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 |
78 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 10/12/2025 08:00 |
| Wrexham Timeseries Graph |
n/m | 44 (1 Low) | 2 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 10/12/2025 16:15 |
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 | 18 (1 Low) | n/m | 9 (1 Low) | n/m | 11/12/2025 04:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Blackburn Audley Park Timeseries Graph |
73 (3 Low) | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Blackpool Marton Timeseries Graph |
79 (3 Low) | 9 (1 Low) | n/m | 13 (2 Low) | 29 (2 Low) *2 | 11/12/2025 02:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | n/m | 11/12/2025 01:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 10/12/2025 19:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 6 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *1 | 11/12/2025 01:00 |
| Crewe Coppenhall Timeseries Graph |
71 (3 Low) | 19 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Glazebury Timeseries Graph |
64 (2 Low) | 21 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| Liverpool Speke Timeseries Graph |
77 (3 Low) | 14 (1 Low) | 6 (1 Low) | 8 (1 Low) | 21 (2 Low) *1 | 10/12/2025 07:30 |
| Liverpool Thirlmere Park Timeseries Graph |
76 (3 Low) | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 04:00 |
| Manchester Piccadilly Timeseries Graph |
63 (2 Low) | 48 (1 Low) | 2 (1 Low) | 9 (1 Low) | 15 (1 Low) *2 | 10/12/2025 17:00 |
| Manchester Sharston Timeseries Graph |
74 (3 Low) | 31 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 02:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 11/12/2025 04:00 |
| Preston Timeseries Graph |
74 (3 Low) | 16 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 04:00 |
| Salford Eccles Timeseries Graph |
71 (3 Low) | 25 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 11/12/2025 04:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
| St Helens Linkway Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 10/12/2025 16:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 11/12/2025 04:00 |
| Warrington Timeseries Graph |
n/m | 24 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *1 | 11/12/2025 04:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Wigan Centre Timeseries Graph |
71 (3 Low) | 29 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 11/12/2025 04:00 |
| Wirral Tranmere Timeseries Graph |
77 (3 Low) | 10 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
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 | 50 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 10/12/2025 16:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 12 (1 Low) | 7 (1 Low) | n/m | n/m | 11/12/2025 02:00 |
| Belfast Centre Timeseries Graph |
68 (3 Low) | 36 (1 Low) | 1 (1 Low) | 11 (1 Low) | 20 (2 Low) *2 | 10/12/2025 06:45 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 10/12/2025 18:00 |
| Derry Rosemount Timeseries Graph |
n/a | 9 (1 Low) | 3 (1 Low) | 7 (1 Low) | 22 (2 Low) *1 | 10/12/2025 21:00 |
| Lough Navar Timeseries Graph |
65 (2 Low) | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
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 | 16 (1 Low) | n/m | n/m | n/m | 10/12/2025 14:00 |
| Eskdalemuir Timeseries Graph |
72 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 10/12/2025 05:00 |
| Peebles Timeseries Graph |
78 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 10/12/2025 05:00 |
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 | 10/12/2025 24:00 |
| Brighton Preston Park Timeseries Graph |
72 (3 Low) | 21 (1 Low) | n/m | 13 (2 Low) | 26 (2 Low) *2 | 10/12/2025 24:00 |
| Chatham Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 9 (1 Low) | 28 (2 Low) *1 | 10/12/2025 24:00 |
| Chilbolton Observatory Timeseries Graph |
78 (3 Low) | 5 (1 Low) | 1 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 10/12/2025 09:15 |
| Eastbourne Timeseries Graph |
79 (3 Low) | 5 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Horley Timeseries Graph |
n/m | 59 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 10/12/2025 24:00 |
| Lullington Heath Timeseries Graph |
86 (3 Low) | 5 (1 Low) | 4 (1 Low) | 11 (1 Low) | 21 (2 Low) *2 | 10/12/2025 14:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 19 (2 Low) *2 | 10/12/2025 24:00 |
| Milton Keynes Civic Centre Timeseries Graph |
73 (3 Low) | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| 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 |
66 (2 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 10/12/2025 24:00 |
| Portsmouth Timeseries Graph |
67 (3 Low) | 42 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 10/12/2025 24:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 10/12/2025 24:00 |
| Reading London Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 11/12/2025 01:00 |
| Reading New Town Timeseries Graph |
58 (2 Low) | 32 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 10/12/2025 24:00 |
| Rochester Stoke Timeseries Graph |
74 (3 Low) | 17 (1 Low) | 1 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 12:45 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Southampton A33 Timeseries Graph |
n/m | 72 (2 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Southampton Centre Timeseries Graph |
67 (3 Low) | 56 (1 Low) | 4 (1 Low) | 12 (2 Low) | 25 (2 Low) *2 | 11/12/2025 00:45 |
| Storrington Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 15 (2 Low) | n/m | 10/12/2025 24:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 29 (2 Low) *2 | 10/12/2025 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 |
73 (3 Low) | 26 (1 Low) | 1 (1 Low) | 11 (1 Low) | 26 (2 Low) *1 | 10/12/2025 08:45 |
| Cardiff Newport Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 10/12/2025 18:00 |
| Chepstow A48 Timeseries Graph |
n/m | 56 (1 Low) | n/m | 11 (1 Low) | 24 (2 Low) *1 | 11/12/2025 01:00 |
| Cwmbran Crownbridge Timeseries Graph |
78 (3 Low) | 9 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
| Narberth Timeseries Graph |
79 (3 Low) | 5 (1 Low) | 1 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 10/12/2025 11:30 |
| Newport Timeseries Graph |
n/m | 20 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 10/12/2025 24:00 |
| Port Talbot Margam Timeseries Graph |
76 (3 Low) | 14 (1 Low) | 1 (1 Low) | 8 (1 Low) | 37 (3 Low) *3 | 10/12/2025 07:15 |
| Swansea Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 11 (1 Low) | 31 (2 Low) *1 | 10/12/2025 24:00 |
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 | 10 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Bournemouth Timeseries Graph |
72 (3 Low) | 24 (1 Low) | n/m | 10 (1 Low) | n/m | 10/12/2025 24:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 11/12/2025 04:00 |
| Bristol St Paul's Timeseries Graph |
66 (2 Low) | 36 (1 Low) | n/m | 8 (1 Low) | 24 (2 Low) *1 | 11/12/2025 04:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 55 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 11/12/2025 04:00 |
| Charlton Mackrell Timeseries Graph |
72 (3 Low) | 6 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 10/12/2025 24:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 11/12/2025 01:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 10 (1 Low) | n/m | 10/12/2025 24:00 |
| Exeter Roadside Timeseries Graph |
76 (3 Low) | 61 (1 Low) | n/m | n/m | n/m | 10/12/2025 05:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 11/12/2025 04:00 |
| Honiton Timeseries Graph |
71 (3 Low) | 14 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Plymouth Centre Timeseries Graph |
75 (3 Low) | 54 (1 Low) | n/m | 14 (2 Low) | 35 (3 Low) *2 | 10/12/2025 24:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 81 (2 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 29 (2 Low) *1 | 10/12/2025 24:00 |
| Swindon Walcot Timeseries Graph |
71 (3 Low) | 9 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 10/12/2025 24:00 |
| Yarner Wood Timeseries Graph |
76 (3 Low) | 18 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 11/12/2025 02:00 |
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 |
89 (3 Low) | n/m | n/m | n/m | n/m | 10/12/2025 10:00 |
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 |
65 (2 Low) | 41 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 03:00 |
| Birmingham Hall Green Timeseries Graph |
77 (3 Low) | 12 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 11/12/2025 02:00 |
| Birmingham Ladywood Timeseries Graph |
82 (3 Low) | 16 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 14:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 02:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
71 (3 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 03:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 8 (1 Low) | n/m | 11/12/2025 02:00 |
| Coventry Allesley Timeseries Graph |
71 (3 Low) | 27 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 04:00 |
| Leamington Spa Timeseries Graph |
69 (3 Low) | 21 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 11/12/2025 02:00 |
| Leominster Timeseries Graph |
77 (3 Low) | 9 (1 Low) | n/m | n/m | n/m | 10/12/2025 05:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 11/12/2025 02:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 04:00 |
| Stoke-on-Trent Centre Timeseries Graph |
75 (3 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 10/12/2025 12:00 |
| Telford Hollinswood Timeseries Graph |
77 (3 Low) | 17 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| Walsall Woodlands Timeseries Graph |
72 (3 Low) | 19 (1 Low) | n/m | n/m | n/m | 10/12/2025 05:00 |
| West Bromwich Kenrick Park Timeseries Graph |
74 (3 Low) | 34 (1 Low) | n/m | n/m | n/m | 10/12/2025 04:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 04:00 |
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 |
75 (3 Low) | 7 (1 Low) | 7 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 10/12/2025 07:30 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 10/12/2025 21:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 11/12/2025 04:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
75 (3 Low) | 12 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 11/12/2025 04:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 36 (1 Low) | n/m | 8 (1 Low) | n/m | 11/12/2025 04:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 11/12/2025 04:00 |
| High Muffles Timeseries Graph |
69 (3 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 11/12/2025 04:00 |
| Hull Freetown Timeseries Graph |
63 (2 Low) | 42 (1 Low) | 4 (1 Low) | 9 (1 Low) | 18 (2 Low) *2 | 10/12/2025 12:45 |
| Hull Holderness Road Timeseries Graph |
n/m | 65 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 11/12/2025 04:00 |
| Immingham Woodlands Avenue Timeseries Graph |
74 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 11/12/2025 04:00 |
| Leeds Centre Timeseries Graph |
70 (3 Low) | 24 (1 Low) | 3 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 20:30 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 10 (1 Low) | 22 (2 Low) *1 | 11/12/2025 04:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 14 (1 Low) | 4 (1 Low) | 11 (1 Low) | 17 (2 Low) *1 | 10/12/2025 11:15 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 7 (1 Low) | n/m | 11/12/2025 04:00 |
| Sheffield Devonshire Green Timeseries Graph |
67 (3 Low) | 20 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 11/12/2025 04:00 |
| Sheffield Tinsley Timeseries Graph |
67 (3 Low) | 30 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| York Bootham Timeseries Graph |
65 (2 Low) | 23 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *1 | 11/12/2025 04:00 |
| York Fishergate Timeseries Graph |
n/m | 25 (1 Low) | n/m | 6 (1 Low) | 22 (2 Low) *1 | 11/12/2025 01:00 |
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