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 midday Tue 20th Oct 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 |
42 (2 Low) | n/m | n/m | 5 (1 Low) | 7 (1 Low) *2 | 20/10/2026 09:00:00 |
| Bush Estate Timeseries Graph |
49 (2 Low) | 23 (1 Low) | n/m | n/m | n/m | 20/10/2026 12:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | n/m | 19/10/2026 17:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 19/10/2026 13:00:00 |
| Edinburgh St Leonards Timeseries Graph |
45 (2 Low) | 37 (1 Low) | 2 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 19/10/2026 15:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 19/10/2026 13:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 43 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 20/10/2026 08:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 70 (2 Low) | n/m | n/m | n/m | 19/10/2026 14:00:00 |
| Glasgow Townhead Timeseries Graph |
25 (1 Low) | 39 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 20/10/2026 08:00:00 |
| Grangemouth Timeseries Graph |
n/m | 37 (1 Low) | 3 (1 Low) | 11 (1 Low) | 14 (1 Low) *1 | 19/10/2026 13:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 19/10/2026 19:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 07:00:00 |
East Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Chesterfield Loundsley Green Timeseries Graph |
45 (2 Low) | 23 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 10 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Derby Stockbrook Park Timeseries Graph |
39 (2 Low) | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Ladybower Timeseries Graph |
45 (2 Low) | 9 (1 Low) | 1 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 19/10/2026 12:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 12 (2 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| Leicester University Timeseries Graph |
50 (2 Low) | 19 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 19/10/2026 18:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Northampton Spring Park Timeseries Graph |
45 (2 Low) | 20 (1 Low) | n/m | 15 (2 Low) | n/m | 20/10/2026 12:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 12 (1 Low) *2 | 20/10/2026 12:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
40 (2 Low) | 13 (1 Low) | 2 (1 Low) | 11 (1 Low) | 15 (1 Low) *2 | 20/10/2026 09:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 14 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Tallington Timeseries Graph |
48 (2 Low) | n/m | n/m | 10 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Toft Newton Timeseries Graph |
56 (2 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 12:00:00 |
| Wigston Centre Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
Eastern
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 20 (1 Low) | n/m | 14 (2 Low) | 18 (2 Low) *2 | 20/10/2026 12:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 19 (2 Low) *2 | 20/10/2026 12:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 19/10/2026 14:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 13 (2 Low) | n/m | 20/10/2026 12:00:00 |
| Norwich Lakenfields Timeseries Graph |
33 (1 Low) | 16 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Sibton Timeseries Graph |
38 (2 Low) | n/m | n/m | 11 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 09/09/2026 01:00:00 |
| Southend-on-Sea Timeseries Graph |
41 (2 Low) | 27 (1 Low) | n/m | 16 (2 Low) | 20 (2 Low) *2 | 20/10/2026 12:00:00 |
| St Osyth Timeseries Graph |
50 (2 Low) | 12 (1 Low) | n/m | 15 (2 Low) | 19 (2 Low) *2 | 20/10/2026 12:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 21 (2 Low) | 18 (2 Low) *1 | 20/10/2026 12:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 04/09/2026 01:00:00 |
| Thurrock Timeseries Graph |
44 (2 Low) | 26 (1 Low) | 3 (1 Low) | 15 (2 Low) | 20 (2 Low) *2 | 20/10/2026 11:30:00 |
| Weybourne Timeseries Graph |
41 (2 Low) | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Wicken Fen Timeseries Graph |
41 (2 Low) | 10 (1 Low) | 2 (1 Low) | 11 (1 Low) | 16 (1 Low) *2 | 19/10/2026 13:15:00 |
Greater London
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Camden Kerbside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 14 (2 Low) | 22 (2 Low) *1 | 20/10/2026 12:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 24 (2 Low) *1 | 20/10/2026 12:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 19/10/2026 20:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 20/10/2026 12:00:00 |
| London Bexley Timeseries Graph |
n/m | 33 (1 Low) | n/m | 14 (2 Low) | 19 (2 Low) *2 | 20/10/2026 12:00:00 |
| London Bloomsbury Timeseries Graph |
34 (2 Low) | 32 (1 Low) | 3 (1 Low) | 13 (2 Low) | 19 (2 Low) *2 | 20/10/2026 09:15:00 |
| London Farringdon Street Timeseries Graph |
n/m | 41 (1 Low) | n/m | 17 (2 Low) | n/m | 20/10/2026 12:00:00 |
| London Haringey Priory Park South Timeseries Graph |
43 (2 Low) | 26 (1 Low) | n/m | 13 (2 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| London Harlington Timeseries Graph |
36 (2 Low) | 32 (1 Low) | n/m | 13 (2 Low) | 19 (2 Low) *2 | 20/10/2026 13:00:00 |
| London Hillingdon Timeseries Graph |
32 (1 Low) | 44 (1 Low) | n/m | 15 (2 Low) | 21 (2 Low) *2 | 20/10/2026 12:00:00 |
| London Honor Oak Park Timeseries Graph |
55 (2 Low) | n/m | n/m | 14 (2 Low) | 19 (2 Low) *2 | 20/10/2026 12:00:00 |
| London Marylebone Road Timeseries Graph |
37 (2 Low) | 43 (1 Low) | 3 (1 Low) | 16 (2 Low) | 24 (2 Low) *1 | 19/10/2026 12:30:00 |
| London N. Kensington Timeseries Graph |
47 (2 Low) | 29 (1 Low) | 4 (1 Low) | 14 (2 Low) | 19 (2 Low) *2 | 20/10/2026 10:30:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 19 (2 Low) *2 | 20/10/2026 12:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 18 (2 Low) *2 | 20/10/2026 12:00:00 |
| London Westminster Timeseries Graph |
38 (2 Low) | 28 (1 Low) | n/m | n/m | n/m | 19/10/2026 20:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | 29 (2 Low) *1 | 20/10/2026 10:00:00 |
Highland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Fort William Timeseries Graph |
50 (2 Low) | 32 (1 Low) | n/m | n/m | n/m | 19/10/2026 22:00:00 |
| Inverness Timeseries Graph |
n/m | 48 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 20/10/2026 11:00:00 |
| Lerwick Timeseries Graph |
77 (3 Low) | n/m | n/m | n/m | n/m | 20/10/2026 12:00:00 |
| Strathvaich Timeseries Graph |
62 (2 Low) | n/m | n/m | n/m | n/m | 19/10/2026 20:00:00 |
North East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Ashington Centre Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 20/10/2026 12:00:00 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 12:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
66 (2 Low) | 10 (1 Low) | n/m | 13 (2 Low) | 33 (2 Low) *2 | 20/10/2026 05:00:00 |
| Kielder Water Timeseries Graph |
46 (2 Low) | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Middlesbrough Timeseries Graph |
57 (2 Low) | 17 (1 Low) | 2 (1 Low) | 4 (1 Low) | 15 (1 Low) *1 | 20/10/2026 11:30:00 |
| Newcastle Centre Timeseries Graph |
50 (2 Low) | 16 (1 Low) | n/m | 9 (1 Low) | 22 (2 Low) *1 | 20/10/2026 07:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 20/10/2026 10:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 20/10/2026 12:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 20/10/2026 04:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | n/m | 20/10/2026 04:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 20 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *1 | 20/10/2026 12:00:00 |
| Sunderland Silksworth Timeseries Graph |
70 (3 Low) | 11 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 20/10/2026 06:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 20 (1 Low) | n/m | 9 (1 Low) | n/m | 20/10/2026 06:00:00 |
North East Scotland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aberdeen Erroll Park Timeseries Graph |
55 (2 Low) | 29 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 19/10/2026 16:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 19/10/2026 15:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 19/10/2026 18:00:00 |
North Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aston Hill Timeseries Graph |
57 (2 Low) | 8 (1 Low) | n/m | n/m | n/m | 19/10/2026 19:00:00 |
| Wrexham Timeseries Graph |
n/m | 38 (1 Low) | 4 (1 Low) | 10 (1 Low) | 12 (1 Low) *2 | 20/10/2026 09:30:00 |
North West & Merseyside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Birkenhead Borough Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | 8 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 19/10/2026 19:00:00 |
| Blackburn Audley Park Timeseries Graph |
48 (2 Low) | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 12:00:00 |
| Blackpool Marton Timeseries Graph |
48 (2 Low) | 28 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 20/10/2026 12:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 9 (1 Low) *1 | 20/10/2026 11:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 32 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *1 | 20/10/2026 09:00:00 |
| Crewe Coppenhall Timeseries Graph |
49 (2 Low) | 32 (1 Low) | n/m | 9 (1 Low) | 11 (1 Low) *2 | 20/10/2026 12:00:00 |
| Glazebury Timeseries Graph |
44 (2 Low) | 28 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Liverpool Speke Timeseries Graph |
48 (2 Low) | 42 (1 Low) | 6 (1 Low) | 7 (1 Low) | 11 (1 Low) *1 | 20/10/2026 11:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
44 (2 Low) | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 12:00:00 |
| Manchester Piccadilly Timeseries Graph |
31 (1 Low) | 42 (1 Low) | 2 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 19/10/2026 17:15:00 |
| Manchester Sharston Timeseries Graph |
42 (2 Low) | 27 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Preston Timeseries Graph |
41 (2 Low) | 34 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 20/10/2026 12:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Salford Eccles Timeseries Graph |
42 (2 Low) | 38 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 20/10/2026 12:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 20/10/2026 12:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 19/10/2026 22:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Warrington St. Peter's Park Timeseries Graph |
n/m | 40 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 20/10/2026 10:00:00 |
| Wigan Centre Timeseries Graph |
42 (2 Low) | 39 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 20/10/2026 12:00:00 |
| Wirral Tranmere Timeseries Graph |
47 (2 Low) | 30 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 08:00:00 |
Northern Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Armagh Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 20/10/2026 09:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 19/10/2026 22:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 25 (1 Low) | 9 (1 Low) | n/m | n/m | 20/10/2026 10:15:00 |
| Belfast Centre Timeseries Graph |
27 (1 Low) | 63 (1 Low) | 7 (1 Low) | 10 (1 Low) | 17 (2 Low) *2 | 20/10/2026 07:45:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 120 (2 Low) | n/m | n/m | 25 (2 Low) *1 | 20/10/2026 10:00:00 |
| Derry Rosemount Timeseries Graph |
64 (2 Low) | 25 (1 Low) | 162 (2 Low) | 7 (1 Low) | 14 (1 Low) *1 | 20/10/2026 10:30:00 |
| Lough Navar Timeseries Graph |
42 (2 Low) | n/m | n/m | 5 (1 Low) | 7 (1 Low) *2 | 20/10/2026 12:00:00 |
Scottish Borders
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Dumfries Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 19/10/2026 12:00:00 |
| Eskdalemuir Timeseries Graph |
51 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 19/10/2026 13:00:00 |
| Peebles Timeseries Graph |
44 (2 Low) | 18 (1 Low) | n/m | n/m | n/m | 20/10/2026 10:00:00 |
South East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 20/10/2026 12:00:00 |
| Brighton Preston Park Timeseries Graph |
42 (2 Low) | 13 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 11 (1 Low) | 24 (2 Low) *1 | 20/10/2026 10:00:00 |
| Chilbolton Observatory Timeseries Graph |
62 (2 Low) | 16 (1 Low) | 1 (1 Low) | 8 (1 Low) | 10 (1 Low) *2 | 20/10/2026 10:45:00 |
| Eastbourne Timeseries Graph |
53 (2 Low) | 12 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 20/10/2026 12:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| Horley Timeseries Graph |
n/m | 20 (1 Low) | n/m | 14 (2 Low) | 18 (2 Low) *2 | 20/10/2026 12:00:00 |
| Lullington Heath Timeseries Graph |
52 (2 Low) | 9 (1 Low) | 2 (1 Low) | 12 (2 Low) | 15 (1 Low) *2 | 20/10/2026 08:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 23 (2 Low) *2 | 20/10/2026 12:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
39 (2 Low) | n/m | n/m | 14 (2 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 19/10/2026 20:00:00 |
| Oxford St Ebbes Timeseries Graph |
47 (2 Low) | 34 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 20/10/2026 12:00:00 |
| Portsmouth Timeseries Graph |
49 (2 Low) | 29 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 20/10/2026 12:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Reading London Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 19/10/2026 19:00:00 |
| Reading New Town Timeseries Graph |
44 (2 Low) | 42 (1 Low) | n/m | 12 (2 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 20/10/2026 12:00:00 |
| Rochester Stoke Timeseries Graph |
50 (2 Low) | 24 (1 Low) | 2 (1 Low) | 14 (2 Low) | 18 (2 Low) *2 | 19/10/2026 23:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 21 (2 Low) *2 | 20/10/2026 12:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 31 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 20/10/2026 12:00:00 |
| Southampton Centre Timeseries Graph |
46 (2 Low) | 30 (1 Low) | 2 (1 Low) | 9 (1 Low) | 12 (1 Low) *2 | 20/10/2026 10:45:00 |
| Storrington Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 13 (2 Low) | 18 (2 Low) *2 | 20/10/2026 12:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 14 (2 Low) | n/m | 20/10/2026 12:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 16 (1 Low) *2 | 20/10/2026 12:00:00 |
South Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Cardiff Centre Timeseries Graph |
60 (2 Low) | 33 (1 Low) | 2 (1 Low) | 12 (2 Low) | 12 (1 Low) *1 | 19/10/2026 15:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 20/10/2026 10:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 34 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *1 | 20/10/2026 09:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
51 (2 Low) | 27 (1 Low) | n/m | n/m | n/m | 19/10/2026 18:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 20/10/2026 08:00:00 |
| Narberth Timeseries Graph |
56 (2 Low) | 9 (1 Low) | 1 (1 Low) | 7 (1 Low) | 9 (1 Low) *2 | 20/10/2026 10:00:00 |
| Newport Timeseries Graph |
n/m | 42 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Port Talbot Margam Timeseries Graph |
52 (2 Low) | 28 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *3 | 20/10/2026 08:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *1 | 20/10/2026 12:00:00 |
South West
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 20/10/2026 11:00:00 |
| Bournemouth Timeseries Graph |
60 (2 Low) | 22 (1 Low) | n/m | 9 (1 Low) | n/m | 20/10/2026 07:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 07:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 20/10/2026 10:00:00 |
| Bristol St Paul's Timeseries Graph |
53 (2 Low) | 45 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 20/10/2026 10:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 47 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 20/10/2026 10:00:00 |
| Charlton Mackrell Timeseries Graph |
60 (2 Low) | 8 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 20/10/2026 10:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 20/10/2026 08:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 7 (1 Low) | n/m | 20/10/2026 07:00:00 |
| Exeter Roadside Timeseries Graph |
56 (2 Low) | 43 (1 Low) | n/m | n/m | n/m | 19/10/2026 19:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 14 (1 Low) *2 | 20/10/2026 11:00:00 |
| Honiton Timeseries Graph |
55 (2 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Plymouth Centre Timeseries Graph |
49 (2 Low) | 48 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 20/10/2026 12:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | n/m | 20/10/2026 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 12 (1 Low) *1 | 20/10/2026 01:00:00 |
| Swindon Walcot Timeseries Graph |
54 (2 Low) | 39 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 20/10/2026 07:00:00 |
| Yarner Wood Timeseries Graph |
69 (3 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 20/10/2026 12:00:00 |
West Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Mace Head Timeseries Graph |
68 (3 Low) | n/m | n/m | n/m | n/m | 20/10/2026 11:00:00 |
West Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Bedworth Collycroft Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 08/10/2026 01:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
37 (2 Low) | 48 (1 Low) | n/m | 12 (2 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Birmingham Hall Green Timeseries Graph |
49 (2 Low) | 43 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Birmingham Ladywood Timeseries Graph |
38 (2 Low) | 45 (1 Low) | 2 (1 Low) | 11 (1 Low) | 14 (1 Low) *2 | 20/10/2026 09:45:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 11 (1 Low) *2 | 20/10/2026 10:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
47 (2 Low) | 27 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 9 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Coventry Allesley Timeseries Graph |
41 (2 Low) | 31 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 20/10/2026 12:00:00 |
| Leamington Spa Timeseries Graph |
52 (2 Low) | 23 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 20/10/2026 12:00:00 |
| Leominster Timeseries Graph |
53 (2 Low) | 13 (1 Low) | n/m | n/m | n/m | 19/10/2026 19:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 61 (1 Low) | n/m | 14 (2 Low) | 19 (2 Low) *2 | 20/10/2026 12:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 16 (1 Low) *2 | 20/10/2026 12:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 79 (2 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
41 (2 Low) | 28 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 20/10/2026 12:00:00 |
| Telford Hollinswood Timeseries Graph |
50 (2 Low) | 34 (1 Low) | n/m | 9 (1 Low) | 11 (1 Low) *2 | 20/10/2026 12:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 12 (1 Low) *2 | 20/10/2026 12:00:00 |
| Walsall Woodlands Timeseries Graph |
45 (2 Low) | 32 (1 Low) | n/m | n/m | n/m | 19/10/2026 17:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
40 (2 Low) | 58 (1 Low) | n/m | n/m | n/m | 19/10/2026 18:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
Yorkshire & Humberside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnsley Gawber Timeseries Graph |
40 (2 Low) | 24 (1 Low) | 2 (1 Low) | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 11:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 19/10/2026 18:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
39 (2 Low) | 33 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 30 (1 Low) | n/m | 8 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 20/10/2026 12:00:00 |
| High Muffles Timeseries Graph |
51 (2 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 20/10/2026 11:00:00 |
| Hull Freetown Timeseries Graph |
46 (2 Low) | 33 (1 Low) | 2 (1 Low) | 10 (1 Low) | 18 (2 Low) *2 | 20/10/2026 10:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 20/10/2026 12:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
52 (2 Low) | 21 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 20/10/2026 12:00:00 |
| Leeds Centre Timeseries Graph |
41 (2 Low) | 27 (1 Low) | 3 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 19/10/2026 22:15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *1 | 20/10/2026 12:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 15 (1 Low) *2 | 20/10/2026 12:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 19 (1 Low) | 18 (1 Low) | 9 (1 Low) | 23 (2 Low) *1 | 20/10/2026 12:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | 11 (1 Low) | n/m | 20/10/2026 12:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
39 (2 Low) | 25 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| Sheffield Tinsley Timeseries Graph |
38 (2 Low) | 22 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 20/10/2026 12:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 20/10/2026 12:00:00 |
| York Bootham Timeseries Graph |
50 (2 Low) | 15 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 20/10/2026 12:00:00 |
| York Fishergate Timeseries Graph |
n/m | 24 (1 Low) | n/m | 4 (1 Low) | 18 (2 Low) *1 | 20/10/2026 12:00:00 |
Legend
- n/m means that the pollutant is not measured at that site
- n/a means that no data were recorded for the period
- *1: measurements are PM10 BAM 1020 heated
- *2: measurements are PM10 FIDAS
- *3: measurements are PM10 SEQ 47/50