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 11pm Thu 5th Feb 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 |
58 (2 Low) | n/m | n/m | 13 (2 Low) | 14 (1 Low) *2 | 05/02/2026 23:00 |
| Bush Estate Timeseries Graph |
71 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 05/02/2026 18:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 04/02/2026 23:00 |
| Edinburgh St Leonards Timeseries Graph |
67 (3 Low) | 10 (1 Low) | 1 (1 Low) | 9 (1 Low) | 13 (1 Low) *2 | 04/02/2026 23:15 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| Glasgow High Street Timeseries Graph |
n/m | 16 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 05/02/2026 12:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | n/m | 05/02/2026 23:00 |
| Glasgow Townhead Timeseries Graph |
69 (3 Low) | 16 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 05/02/2026 12:00 |
| Grangemouth Timeseries Graph |
n/m | 15 (1 Low) | 2 (1 Low) | 9 (1 Low) | n/a | 05/02/2026 12:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 05/02/2026 09:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 05/02/2026 19:00 |
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 |
52 (2 Low) | 18 (1 Low) | n/m | 21 (2 Low) | 26 (2 Low) *2 | 05/02/2026 11:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 22 (2 Low) | 28 (2 Low) *2 | 05/02/2026 11:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 24 (1 Low) | n/m | 26 (3 Low) | n/m | 05/02/2026 22:00 |
| Derby Stockbrook Park Timeseries Graph |
43 (2 Low) | n/m | n/m | 23 (2 Low) | 27 (2 Low) *2 | 05/02/2026 22:00 |
| Ladybower Timeseries Graph |
62 (2 Low) | 10 (1 Low) | 3 (1 Low) | 11 (1 Low) | 12 (1 Low) *2 | 05/02/2026 15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *2 | 05/02/2026 21:00 |
| Leicester University Timeseries Graph |
50 (2 Low) | 19 (1 Low) | n/m | 20 (2 Low) | 23 (2 Low) *2 | 05/02/2026 21:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 05/02/2026 18:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 25 (2 Low) *2 | 05/02/2026 22:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 23 (2 Low) | 27 (2 Low) *2 | 05/02/2026 22:00 |
| Northampton Spring Park Timeseries Graph |
44 (2 Low) | 29 (1 Low) | n/m | 24 (3 Low) | n/m | 05/02/2026 20:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 25 (3 Low) | 29 (2 Low) *2 | 05/02/2026 22:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
42 (2 Low) | 15 (1 Low) | 1 (1 Low) | 29 (3 Low) | 34 (3 Low) *2 | 05/02/2026 01:30 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 16 (1 Low) | n/m | 27 (3 Low) | 31 (2 Low) *2 | 05/02/2026 22:00 |
| Tallington Timeseries Graph |
45 (2 Low) | n/m | n/m | 32 (3 Low) | 36 (3 Low) *2 | 05/02/2026 23:00 |
| Toft Newton Timeseries Graph |
68 (3 Low) | 13 (1 Low) | n/m | 24 (3 Low) | 27 (2 Low) *2 | 05/02/2026 21:00 |
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 | 24 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 05/02/2026 23:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 23 (2 Low) *2 | 05/02/2026 23:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 05/02/2026 01:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 12 (2 Low) | n/m | 04/02/2026 24:00 |
| Norwich Lakenfields Timeseries Graph |
41 (2 Low) | 26 (1 Low) | n/m | 34 (3 Low) | 41 (3 Low) *2 | 05/02/2026 23:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 27 (3 Low) | 32 (2 Low) *2 | 05/02/2026 23:00 |
| Sibton Timeseries Graph |
36 (2 Low) | n/m | n/m | 27 (3 Low) | 32 (2 Low) *2 | 05/02/2026 23:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 20 (2 Low) *2 | 05/02/2026 23:00 |
| Southend-on-Sea Timeseries Graph |
40 (2 Low) | 26 (1 Low) | n/m | 14 (2 Low) | 20 (2 Low) *2 | 05/02/2026 23:00 |
| St Osyth Timeseries Graph |
50 (2 Low) | 19 (1 Low) | n/m | 16 (2 Low) | 21 (2 Low) *2 | 05/02/2026 23:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | 15 (2 Low) | 27 (2 Low) *1 | 05/02/2026 23:00 |
| Thurrock Timeseries Graph |
37 (2 Low) | 29 (1 Low) | 4 (1 Low) | 13 (2 Low) | 17 (2 Low) *2 | 05/02/2026 13:15 |
| Weybourne Timeseries Graph |
n/a | n/m | n/m | 35 (3 Low) | 42 (3 Low) *2 | 05/02/2026 20:00 |
| Wicken Fen Timeseries Graph |
34 (2 Low) | 26 (1 Low) | 2 (1 Low) | 22 (2 Low) | 25 (2 Low) *2 | 05/02/2026 03:15 |
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 | 50 (1 Low) | n/m | 14 (2 Low) | 27 (2 Low) *1 | 05/02/2026 22:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 21 (2 Low) *1 | 04/02/2026 24:00 |
| Haringey Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 05/02/2026 19:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | n/m | 05/02/2026 23:00 |
| London Bexley Timeseries Graph |
n/m | 40 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 05/02/2026 23:00 |
| London Bloomsbury Timeseries Graph |
18 (1 Low) | 56 (1 Low) | 4 (1 Low) | 13 (2 Low) | 17 (2 Low) *2 | 05/02/2026 02:15 |
| London Farringdon Street Timeseries Graph |
n/m | 53 (1 Low) | n/m | 15 (2 Low) | n/m | 05/02/2026 23:00 |
| London Haringey Priory Park South Timeseries Graph |
41 (2 Low) | 36 (1 Low) | n/m | 13 (2 Low) | 17 (2 Low) *2 | 05/02/2026 23:00 |
| London Harlington Timeseries Graph |
33 (1 Low) | 42 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 05/02/2026 21:00 |
| London Hillingdon Timeseries Graph |
29 (1 Low) | 37 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 05/02/2026 23:00 |
| London Honor Oak Park Timeseries Graph |
38 (2 Low) | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 05/02/2026 23:00 |
| London Marylebone Road Timeseries Graph |
22 (1 Low) | 56 (1 Low) | 5 (1 Low) | 15 (2 Low) | 27 (2 Low) *1 | 05/02/2026 17:00 |
| London N. Kensington Timeseries Graph |
37 (2 Low) | 49 (1 Low) | 3 (1 Low) | 12 (2 Low) | 15 (1 Low) *2 | 05/02/2026 02:15 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 05/02/2026 21:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 04/02/2026 24:00 |
| London Westminster Timeseries Graph |
30 (1 Low) | 42 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | 25 (2 Low) *1 | 05/02/2026 20:00 |
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 |
72 (3 Low) | 9 (1 Low) | n/m | n/m | n/m | 05/02/2026 23:00 |
| Inverness Timeseries Graph |
n/m | 35 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 05/02/2026 22:00 |
| Lerwick Timeseries Graph |
85 (3 Low) | n/m | n/m | n/m | n/m | 05/02/2026 23:00 |
| Strathvaich Timeseries Graph |
79 (3 Low) | n/m | n/m | n/m | n/m | 05/02/2026 23:00 |
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) | 7 (1 Low) | n/m | 32 (3 Low) | 80 (7 High) *2 | 05/02/2026 10:00 |
| Kielder Water Timeseries Graph |
61 (2 Low) | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 05/02/2026 15:00 |
| Middlesbrough Timeseries Graph |
68 (3 Low) | 11 (1 Low) | 2 (1 Low) | 11 (1 Low) | 22 (2 Low) *1 | 05/02/2026 05:00 |
| Newcastle Centre Timeseries Graph |
62 (2 Low) | 13 (1 Low) | n/m | 17 (2 Low) | 27 (2 Low) *1 | 05/02/2026 14:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 17 (2 Low) | 25 (2 Low) *2 | 05/02/2026 20:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 13 (2 Low) | n/m | 05/02/2026 10:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 11 (1 Low) | n/m | 14 (2 Low) | 20 (2 Low) *1 | 05/02/2026 10:00 |
| Sunderland Silksworth Timeseries Graph |
66 (2 Low) | 7 (1 Low) | n/m | 17 (2 Low) | 26 (2 Low) *2 | 05/02/2026 14:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 9 (1 Low) | n/m | 18 (2 Low) | n/m | 05/02/2026 19:00 |
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 |
77 (3 Low) | 16 (1 Low) | n/m | 16 (2 Low) | 38 (3 Low) *2 | 05/02/2026 18:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 05/02/2026 18:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 05/02/2026 23:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 05/02/2026 10:00 |
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 |
58 (2 Low) | 20 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| Wrexham Timeseries Graph |
n/m | 35 (1 Low) | 3 (1 Low) | 17 (2 Low) | 20 (2 Low) *2 | 04/02/2026 16:45 |
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 | 36 (1 Low) | n/m | 15 (2 Low) | n/m | 05/02/2026 12:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 05/02/2026 18:00 |
| Blackburn Audley Park Timeseries Graph |
59 (2 Low) | n/m | n/m | 15 (2 Low) | 18 (2 Low) *2 | 05/02/2026 14:00 |
| Blackpool Marton Timeseries Graph |
57 (2 Low) | 103 (2 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 05/02/2026 09:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 05/02/2026 14:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 05/02/2026 19:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 11 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *1 | 05/02/2026 14:00 |
| Crewe Coppenhall Timeseries Graph |
54 (2 Low) | 10 (1 Low) | n/m | 15 (2 Low) | 18 (2 Low) *2 | 05/02/2026 11:00 |
| Glazebury Timeseries Graph |
55 (2 Low) | 13 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 05/02/2026 13:00 |
| Liverpool Speke Timeseries Graph |
52 (2 Low) | 20 (1 Low) | 2 (1 Low) | 13 (2 Low) | 20 (2 Low) *1 | 05/02/2026 04:15 |
| Liverpool Thirlmere Park Timeseries Graph |
56 (2 Low) | n/m | n/m | 14 (2 Low) | 18 (2 Low) *2 | 05/02/2026 13:00 |
| Manchester Piccadilly Timeseries Graph |
53 (2 Low) | 19 (1 Low) | 1 (1 Low) | 16 (2 Low) | 18 (2 Low) *2 | 05/02/2026 03:45 |
| Manchester Sharston Timeseries Graph |
59 (2 Low) | 14 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 05/02/2026 12:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | n/m | 05/02/2026 11:00 |
| Preston Timeseries Graph |
57 (2 Low) | 15 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 05/02/2026 14:00 |
| Salford Eccles Timeseries Graph |
58 (2 Low) | 23 (1 Low) | n/m | 16 (2 Low) | 21 (2 Low) *2 | 05/02/2026 13:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 05/02/2026 17:00 |
| St Helens Linkway Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 05/02/2026 18:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 05/02/2026 12:00 |
| Warrington Timeseries Graph |
n/m | 19 (1 Low) | n/m | 13 (2 Low) | 19 (2 Low) *1 | 05/02/2026 12:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 05/02/2026 13:00 |
| Wigan Centre Timeseries Graph |
52 (2 Low) | 16 (1 Low) | n/m | 17 (2 Low) | 22 (2 Low) *2 | 05/02/2026 14:00 |
| Wirral Tranmere Timeseries Graph |
56 (2 Low) | 14 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 05/02/2026 12:00 |
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 | 16 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 05/02/2026 17:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 05/02/2026 09:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 7 (1 Low) | 2 (1 Low) | n/m | n/m | 04/02/2026 21:30 |
| Belfast Centre Timeseries Graph |
57 (2 Low) | 19 (1 Low) | 2 (1 Low) | 11 (1 Low) | 17 (2 Low) *2 | 05/02/2026 15:45 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/a | 05/02/2026 08:00 |
| Derry Rosemount Timeseries Graph |
59 (2 Low) | 12 (1 Low) | 9 (1 Low) | 7 (1 Low) | 14 (1 Low) *1 | 04/02/2026 23:15 |
| Lough Navar Timeseries Graph |
58 (2 Low) | n/m | n/m | 10 (1 Low) | 12 (1 Low) *2 | 05/02/2026 14:00 |
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 | 15 (1 Low) | n/m | n/m | n/m | 05/02/2026 17:00 |
| Eskdalemuir Timeseries Graph |
62 (2 Low) | 4 (1 Low) | n/m | n/m | n/m | 05/02/2026 15:00 |
| Peebles Timeseries Graph |
67 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 05/02/2026 16:00 |
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 | 9 (1 Low) | n/m | 04/02/2026 24:00 |
| Brighton Preston Park Timeseries Graph |
53 (2 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 05/02/2026 20:00 |
| Chatham Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *1 | 05/02/2026 22:00 |
| Chilbolton Observatory Timeseries Graph |
76 (3 Low) | 7 (1 Low) | 3 (1 Low) | 6 (1 Low) | 8 (1 Low) *2 | 05/02/2026 19:15 |
| Eastbourne Timeseries Graph |
56 (2 Low) | 18 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 05/02/2026 16:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 04/02/2026 24:00 |
| Horley Timeseries Graph |
n/m | 15 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 04/02/2026 24:00 |
| Lullington Heath Timeseries Graph |
70 (3 Low) | 8 (1 Low) | 2 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 05/02/2026 01:45 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 05/02/2026 23:00 |
| Milton Keynes Civic Centre Timeseries Graph |
43 (2 Low) | n/m | n/m | 14 (2 Low) | 17 (2 Low) *2 | 04/02/2026 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 |
48 (2 Low) | 19 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 04/02/2026 24:00 |
| Portsmouth Timeseries Graph |
70 (3 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 05/02/2026 17:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 05/02/2026 22:00 |
| Reading London Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 05/02/2026 17:00 |
| Reading New Town Timeseries Graph |
31 (1 Low) | 33 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 04/02/2026 24:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 04/02/2026 24:00 |
| Rochester Stoke Timeseries Graph |
44 (2 Low) | 26 (1 Low) | 6 (1 Low) | 14 (2 Low) | 17 (2 Low) *2 | 05/02/2026 03:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 16 (1 Low) *2 | 04/02/2026 24:00 |
| Southampton A33 Timeseries Graph |
n/m | 67 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 05/02/2026 18:00 |
| Southampton Centre Timeseries Graph |
57 (2 Low) | 40 (1 Low) | 2 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 05/02/2026 17:30 |
| Storrington Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 04/02/2026 24:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 11 (1 Low) | n/m | 05/02/2026 21:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 05/02/2026 18:00 |
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 |
36 (2 Low) | 29 (1 Low) | 1 (1 Low) | n/a | n/a | 05/02/2026 12:15 |
| Cardiff Newport Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 05/02/2026 21:00 |
| Chepstow A48 Timeseries Graph |
n/m | 22 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *1 | 04/02/2026 24:00 |
| Cwmbran Crownbridge Timeseries Graph |
57 (2 Low) | 20 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 05/02/2026 09:00 |
| Narberth Timeseries Graph |
61 (2 Low) | 14 (1 Low) | 2 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 05/02/2026 15:45 |
| Newport Timeseries Graph |
n/m | 21 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 04/02/2026 24:00 |
| Port Talbot Margam Timeseries Graph |
58 (2 Low) | 14 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *3 | 05/02/2026 01:45 |
| Swansea Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 05/02/2026 08:00 |
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 | n/a | n/a | 04/02/2026 12:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 05/02/2026 17:00 |
| Bournemouth Timeseries Graph |
70 (3 Low) | 9 (1 Low) | n/m | 8 (1 Low) | n/m | 04/02/2026 24:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 04/02/2026 24:00 |
| Bristol St Paul's Timeseries Graph |
47 (2 Low) | 30 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 04/02/2026 24:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 45 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 04/02/2026 24:00 |
| Charlton Mackrell Timeseries Graph |
72 (3 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 04/02/2026 24:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 04/02/2026 24:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/a | n/m | 03/02/2026 24:00 |
| Exeter Roadside Timeseries Graph |
74 (3 Low) | 17 (1 Low) | n/m | n/m | n/m | 05/02/2026 20:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 12 (1 Low) *2 | 04/02/2026 24:00 |
| Honiton Timeseries Graph |
81 (3 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 05/02/2026 17:00 |
| Plymouth Centre Timeseries Graph |
72 (3 Low) | 86 (2 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 05/02/2026 16:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 05/02/2026 22:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 15 (1 Low) *1 | 05/02/2026 05:00 |
| Swindon Walcot Timeseries Graph |
44 (2 Low) | 25 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 04/02/2026 24:00 |
| Yarner Wood Timeseries Graph |
82 (3 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 04/02/2026 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 |
62 (2 Low) | n/m | n/m | n/m | n/m | 05/02/2026 13:00 |
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 |
n/a | 45 (1 Low) | n/m | 17 (2 Low) | 21 (2 Low) *2 | 05/02/2026 06:00 |
| Birmingham Hall Green Timeseries Graph |
52 (2 Low) | 26 (1 Low) | n/m | 15 (2 Low) | 19 (2 Low) *2 | 05/02/2026 21:00 |
| Birmingham Ladywood Timeseries Graph |
42 (2 Low) | 34 (1 Low) | 2 (1 Low) | 18 (2 Low) | 21 (2 Low) *2 | 05/02/2026 01:45 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 20 (2 Low) | 23 (2 Low) *2 | 05/02/2026 20:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
42 (2 Low) | 23 (1 Low) | n/m | 23 (2 Low) | 26 (2 Low) *2 | 05/02/2026 22:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 18 (2 Low) | n/m | 05/02/2026 21:00 |
| Coventry Allesley Timeseries Graph |
47 (2 Low) | 25 (1 Low) | n/m | 17 (2 Low) | 19 (2 Low) *2 | 05/02/2026 21:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | 16 (2 Low) | 19 (2 Low) *2 | 05/02/2026 21:00 |
| Leamington Spa Timeseries Graph |
52 (2 Low) | 23 (1 Low) | n/m | 15 (2 Low) | 17 (2 Low) *2 | 05/02/2026 20:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | 15 (2 Low) | 17 (2 Low) *2 | 05/02/2026 20:00 |
| Leominster Timeseries Graph |
57 (2 Low) | 20 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | 18 (2 Low) | 22 (2 Low) *2 | 05/02/2026 20:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 20 (2 Low) *2 | 05/02/2026 08:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 18 (2 Low) | 21 (2 Low) *2 | 05/02/2026 19:00 |
| Stoke-on-Trent Centre Timeseries Graph |
54 (2 Low) | 13 (1 Low) | n/m | 15 (2 Low) | 18 (2 Low) *2 | 05/02/2026 10:00 |
| Telford Hollinswood Timeseries Graph |
55 (2 Low) | 21 (1 Low) | n/m | 16 (2 Low) | 20 (2 Low) *2 | 05/02/2026 07:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 21 (2 Low) *2 | 05/02/2026 21:00 |
| Walsall Woodlands Timeseries Graph |
50 (2 Low) | 25 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| West Bromwich Kenrick Park Timeseries Graph |
43 (2 Low) | 30 (1 Low) | n/m | n/m | n/m | 04/02/2026 24:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 15 (1 Low) *2 | 05/02/2026 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 |
57 (2 Low) | 23 (1 Low) | 6 (1 Low) | 21 (2 Low) | 25 (2 Low) *2 | 05/02/2026 19:15 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 05/02/2026 18:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 23 (2 Low) *2 | 05/02/2026 13:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
55 (2 Low) | 21 (1 Low) | n/m | 21 (2 Low) | 26 (2 Low) *2 | 05/02/2026 14:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 25 (1 Low) | n/m | 24 (3 Low) | n/m | 05/02/2026 22:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 23 (2 Low) *2 | 05/02/2026 23:00 |
| High Muffles Timeseries Graph |
n/a | 5 (1 Low) | n/m | 12 (2 Low) | 14 (1 Low) *2 | 05/02/2026 21:00 |
| Hull Freetown Timeseries Graph |
51 (2 Low) | 41 (1 Low) | 2 (1 Low) | 20 (2 Low) | 27 (2 Low) *2 | 04/02/2026 09:15 |
| Hull Holderness Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | 25 (3 Low) | 33 (2 Low) *2 | 05/02/2026 20:00 |
| Immingham Woodlands Avenue Timeseries Graph |
62 (2 Low) | 19 (1 Low) | n/m | 24 (3 Low) | 31 (2 Low) *2 | 05/02/2026 20:00 |
| Leeds Centre Timeseries Graph |
58 (2 Low) | 18 (1 Low) | 2 (1 Low) | 21 (2 Low) | 26 (2 Low) *2 | 04/02/2026 23:15 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 21 (2 Low) | 27 (2 Low) *1 | 05/02/2026 22:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 21 (2 Low) | 25 (2 Low) *2 | 05/02/2026 22:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 16 (1 Low) | 4 (1 Low) | 20 (2 Low) | 32 (2 Low) *1 | 05/02/2026 06:45 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/a | n/m | 04/02/2026 24:00 |
| Sheffield Devonshire Green Timeseries Graph |
49 (2 Low) | 25 (1 Low) | n/m | 22 (2 Low) | 27 (2 Low) *2 | 05/02/2026 12:00 |
| Sheffield Tinsley Timeseries Graph |
53 (2 Low) | 17 (1 Low) | n/m | 20 (2 Low) | 25 (2 Low) *2 | 05/02/2026 12:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 29 (2 Low) *2 | 05/02/2026 22:00 |
| York Bootham Timeseries Graph |
58 (2 Low) | 6 (1 Low) | n/m | 20 (2 Low) | 28 (2 Low) *1 | 05/02/2026 22:00 |
| York Fishergate Timeseries Graph |
n/m | 17 (1 Low) | n/m | 17 (2 Low) | 33 (2 Low) *1 | 05/02/2026 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