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 3pm Thu 17th Sep 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 |
53 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Bush Estate Timeseries Graph |
61 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 16/09/2026 20:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 17/09/2026 15:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 16/09/2026 19:00:00 |
| Edinburgh St Leonards Timeseries Graph |
56 (2 Low) | 9 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 02:30:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 17/09/2026 09:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/09/2026 15:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 17/09/2026 15:00:00 |
| Glasgow Townhead Timeseries Graph |
50 (2 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Grangemouth Timeseries Graph |
n/m | 4 (1 Low) | 3 (1 Low) | 7 (1 Low) | 7 (1 Low) *1 | 16/09/2026 22:30:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 17/09/2026 09:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
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 |
60 (2 Low) | 8 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 41 (1 Low) | n/m | 3 (1 Low) | n/m | 17/09/2026 01:00:00 |
| Derby Stockbrook Park Timeseries Graph |
50 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 01:00:00 |
| Ladybower Timeseries Graph |
70 (3 Low) | 4 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 09:45:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 17/09/2026 01:00:00 |
| Leicester University Timeseries Graph |
49 (2 Low) | 19 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 01:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 17/09/2026 08:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Northampton Spring Park Timeseries Graph |
60 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | n/m | 17/09/2026 01:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
53 (2 Low) | 13 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 16/09/2026 15:45:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 26 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| Tallington Timeseries Graph |
63 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 02:00:00 |
| Toft Newton Timeseries Graph |
66 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
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 | 17 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 02:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 02:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 16/09/2026 20:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 5 (1 Low) | n/m | 17/09/2026 02:00:00 |
| Norwich Lakenfields Timeseries Graph |
53 (2 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 07:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Sibton Timeseries Graph |
52 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 01:00:00 |
| 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 |
56 (2 Low) | 23 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| St Osyth Timeseries Graph |
62 (2 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *1 | 17/09/2026 01:00:00 |
| 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 |
53 (2 Low) | 33 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 16/09/2026 21:15:00 |
| Weybourne Timeseries Graph |
n/a | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 01:00:00 |
| Wicken Fen Timeseries Graph |
55 (2 Low) | 8 (1 Low) | 2 (1 Low) | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 08:30:00 |
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 | 24 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *1 | 17/09/2026 01:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 36 (3 Low) *1 | 17/09/2026 09:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 16/09/2026 21:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 17/09/2026 01:00:00 |
| London Bexley Timeseries Graph |
n/m | 30 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| London Bloomsbury Timeseries Graph |
53 (2 Low) | 52 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 16/09/2026 15:30:00 |
| London Farringdon Street Timeseries Graph |
n/m | 36 (1 Low) | n/m | 4 (1 Low) | n/m | 17/09/2026 01:00:00 |
| London Haringey Priory Park South Timeseries Graph |
53 (2 Low) | 23 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 01:00:00 |
| London Harlington Timeseries Graph |
60 (2 Low) | 34 (1 Low) | n/m | 2 (1 Low) | 7 (1 Low) *2 | 17/09/2026 01:00:00 |
| London Hillingdon Timeseries Graph |
64 (2 Low) | 41 (1 Low) | n/m | 3 (1 Low) | 11 (1 Low) *2 | 17/09/2026 15:00:00 |
| London Honor Oak Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| London Marylebone Road Timeseries Graph |
55 (2 Low) | 53 (1 Low) | 5 (1 Low) | 5 (1 Low) | 13 (1 Low) *1 | 16/09/2026 19:45:00 |
| London N. Kensington Timeseries Graph |
62 (2 Low) | 18 (1 Low) | 2 (1 Low) | 2 (1 Low) | 8 (1 Low) *2 | 17/09/2026 03:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| London Westminster Timeseries Graph |
58 (2 Low) | 18 (1 Low) | n/m | n/m | n/m | 16/09/2026 20:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 16/09/2026 21:00:00 |
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 |
59 (2 Low) | 23 (1 Low) | n/m | n/m | n/m | 17/09/2026 04:00:00 |
| Inverness Timeseries Graph |
n/m | 18 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 13:00:00 |
| Lerwick Timeseries Graph |
72 (3 Low) | n/m | n/m | n/m | n/m | 16/09/2026 18:00:00 |
| Strathvaich Timeseries Graph |
65 (2 Low) | n/m | n/m | n/m | n/m | 16/09/2026 21:00:00 |
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 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
53 (2 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 06:00:00 |
| Kielder Water Timeseries Graph |
52 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Middlesbrough Timeseries Graph |
46 (2 Low) | 8 (1 Low) | 1 (1 Low) | 1 (1 Low) | 7 (1 Low) *1 | 17/09/2026 06:00:00 |
| Newcastle Centre Timeseries Graph |
52 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *1 | 17/09/2026 01:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *2 | 17/09/2026 15:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 4 (1 Low) | n/m | 17/09/2026 14:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 4 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *1 | 17/09/2026 15:00:00 |
| Sunderland Silksworth Timeseries Graph |
55 (2 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 6 (1 Low) | n/m | 3 (1 Low) | n/m | 17/09/2026 15:00:00 |
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 |
43 (2 Low) | 29 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 14:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 17/09/2026 08:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 17/09/2026 08:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 17/09/2026 08:00:00 |
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 |
64 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 16/09/2026 20:00:00 |
| Wrexham Timeseries Graph |
n/m | 17 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 08:30:00 |
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 | 11 (1 Low) | n/m | 4 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 16/09/2026 19:00:00 |
| Blackburn Audley Park Timeseries Graph |
58 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Blackpool Marton Timeseries Graph |
63 (2 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 17/09/2026 15:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 16/09/2026 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 11 (1 Low) | n/m | 7 (1 Low) | 6 (1 Low) *1 | 17/09/2026 15:00:00 |
| Crewe Coppenhall Timeseries Graph |
54 (2 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Glazebury Timeseries Graph |
62 (2 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
| Liverpool Speke Timeseries Graph |
60 (2 Low) | 10 (1 Low) | 6 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 17/09/2026 01:30:00 |
| Liverpool Thirlmere Park Timeseries Graph |
57 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Manchester Piccadilly Timeseries Graph |
47 (2 Low) | 25 (1 Low) | 2 (1 Low) | 5 (1 Low) | 12 (1 Low) *2 | 17/09/2026 11:15:00 |
| Manchester Sharston Timeseries Graph |
55 (2 Low) | 28 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 13:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Preston Timeseries Graph |
53 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 17/09/2026 15:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Salford Eccles Timeseries Graph |
62 (2 Low) | 15 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 17/09/2026 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 17/09/2026 09:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Warrington St. Peter's Park Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/a | n/m | 10/09/2026 14:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 16/09/2026 19:00:00 |
| Wigan Centre Timeseries Graph |
57 (2 Low) | 23 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/09/2026 15:00:00 |
| Wirral Tranmere Timeseries Graph |
56 (2 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
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 | 30 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 16/09/2026 19:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 17/09/2026 08:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 9 (1 Low) | 14 (1 Low) | n/m | n/m | 17/09/2026 14:30:00 |
| Belfast Centre Timeseries Graph |
59 (2 Low) | 25 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 17/09/2026 09:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 16/09/2026 16:00:00 |
| Derry Rosemount Timeseries Graph |
60 (2 Low) | 7 (1 Low) | 1 (1 Low) | 3 (1 Low) | 12 (1 Low) *1 | 17/09/2026 14:45:00 |
| Lough Navar Timeseries Graph |
49 (2 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
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 | 44 (1 Low) | n/m | n/m | n/m | 17/09/2026 13:00:00 |
| Eskdalemuir Timeseries Graph |
52 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 17/09/2026 06:00:00 |
| Peebles Timeseries Graph |
58 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 16/09/2026 21:00:00 |
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 | 3 (1 Low) | n/m | 17/09/2026 01:00:00 |
| Brighton Preston Park Timeseries Graph |
62 (2 Low) | 19 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 13:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 2 (1 Low) | 14 (1 Low) *1 | 17/09/2026 02:00:00 |
| Chilbolton Observatory Timeseries Graph |
69 (3 Low) | 3 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 16/09/2026 16:30:00 |
| Eastbourne Timeseries Graph |
65 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 01:00:00 |
| Horley Timeseries Graph |
n/m | 45 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Lullington Heath Timeseries Graph |
72 (3 Low) | 4 (1 Low) | 2 (1 Low) | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 06:45:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/09/2026 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
56 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 16/09/2026 19:00:00 |
| Oxford St Ebbes Timeseries Graph |
59 (2 Low) | 11 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Portsmouth Timeseries Graph |
62 (2 Low) | 27 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Reading London Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 16/09/2026 19:00:00 |
| Reading New Town Timeseries Graph |
59 (2 Low) | 12 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 01:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 17/09/2026 01:00:00 |
| Rochester Stoke Timeseries Graph |
59 (2 Low) | 30 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 06:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 01:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 35 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 17/09/2026 01:00:00 |
| Southampton Centre Timeseries Graph |
56 (2 Low) | 30 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 08:30:00 |
| Storrington Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 7 (1 Low) | n/m | 17/09/2026 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 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 |
61 (2 Low) | 16 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *1 | 17/09/2026 11:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 17/09/2026 09:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 35 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *1 | 17/09/2026 05:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
65 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 17/09/2026 12:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 17/09/2026 07:00:00 |
| Narberth Timeseries Graph |
56 (2 Low) | 3 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 17/09/2026 11:00:00 |
| Newport Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| Port Talbot Margam Timeseries Graph |
68 (3 Low) | 20 (1 Low) | 1 (1 Low) | 5 (1 Low) | 13 (1 Low) *3 | 16/09/2026 18:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *1 | 17/09/2026 15:00:00 |
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 | 4 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 17/09/2026 09:00:00 |
| Bournemouth Timeseries Graph |
60 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | n/m | 17/09/2026 03:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 01:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Bristol St Paul's Timeseries Graph |
61 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 17/09/2026 15:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Charlton Mackrell Timeseries Graph |
65 (2 Low) | 5 (1 Low) | n/m | 8 (1 Low) | 9 (1 Low) *2 | 17/09/2026 01:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 17/09/2026 14:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 3 (1 Low) | n/m | 17/09/2026 01:00:00 |
| Exeter Roadside Timeseries Graph |
54 (2 Low) | 23 (1 Low) | n/m | n/m | n/m | 17/09/2026 06:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Honiton Timeseries Graph |
62 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 01:00:00 |
| Plymouth Centre Timeseries Graph |
57 (2 Low) | 12 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 16/09/2026 20:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 1 (1 Low) | 10 (1 Low) *1 | 17/09/2026 01:00:00 |
| Swindon Walcot Timeseries Graph |
65 (2 Low) | 5 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Yarner Wood Timeseries Graph |
60 (2 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
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 |
81 (3 Low) | n/m | n/m | n/m | n/m | 16/09/2026 22:00:00 |
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 | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
48 (2 Low) | 38 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Birmingham Hall Green Timeseries Graph |
67 (3 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Birmingham Ladywood Timeseries Graph |
n/a | 12 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 14:00:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
54 (2 Low) | 16 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 3 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Coventry Allesley Timeseries Graph |
56 (2 Low) | 9 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Leamington Spa Timeseries Graph |
62 (2 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/09/2026 15:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/09/2026 01:00:00 |
| Leominster Timeseries Graph |
62 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 16/09/2026 20:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/09/2026 15:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
49 (2 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Telford Hollinswood Timeseries Graph |
71 (3 Low) | 17 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Walsall Woodlands Timeseries Graph |
63 (2 Low) | 19 (1 Low) | n/m | n/m | n/m | 16/09/2026 22:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
52 (2 Low) | 18 (1 Low) | n/m | n/m | n/m | 17/09/2026 05:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
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 |
55 (2 Low) | 10 (1 Low) | 3 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 17/09/2026 09:45:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 16/09/2026 19:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
60 (2 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 25 (1 Low) | n/m | 3 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| High Muffles Timeseries Graph |
52 (2 Low) | 7 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 17/09/2026 15:00:00 |
| Hull Freetown Timeseries Graph |
52 (2 Low) | 22 (1 Low) | 3 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 17/09/2026 01:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 17/09/2026 15:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
57 (2 Low) | 8 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/09/2026 15:00:00 |
| Leeds Centre Timeseries Graph |
52 (2 Low) | 30 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 16/09/2026 22:15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *1 | 17/09/2026 12:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 12 (1 Low) | 2 (1 Low) | 7 (1 Low) | n/a | 17/09/2026 11:30:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | 3 (1 Low) | n/m | 17/09/2026 15:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
57 (2 Low) | 13 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| Sheffield Tinsley Timeseries Graph |
53 (2 Low) | 27 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 17/09/2026 15:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/09/2026 15:00:00 |
| York Bootham Timeseries Graph |
50 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *1 | 17/09/2026 13:00:00 |
| York Fishergate Timeseries Graph |
n/m | 14 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *1 | 17/09/2026 15:00:00 |
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