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 8pm Tue 2nd Sep 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 |
63 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 02/09/2025 01:00:00 |
| Bush Estate Timeseries Graph |
68 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 02/09/2025 18:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 02/09/2025 19:00:00 |
| Edinburgh St Leonards Timeseries Graph |
56 (2 Low) | 8 (1 Low) | 4 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 02/09/2025 07:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 02/09/2025 08:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 11 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 02/09/2025 18:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 02/09/2025 20:00:00 |
| Glasgow Townhead Timeseries Graph |
69 (3 Low) | 13 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/09/2025 17:00:00 |
| Grangemouth Timeseries Graph |
n/m | 8 (1 Low) | 3 (1 Low) | 3 (1 Low) | 8 (1 Low) *1 | 02/09/2025 09:15:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 02/09/2025 09:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 02/09/2025 12:00:00 |
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 |
62 (2 Low) | 11 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 02/09/2025 20:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 20:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 33 (1 Low) | n/m | 4 (1 Low) | n/m | 02/09/2025 16:00:00 |
| Derby Stockbrook Park Timeseries Graph |
47 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 20:00:00 |
| Ladybower Timeseries Graph |
69 (3 Low) | 6 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 10:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 20:00:00 |
| Leicester University Timeseries Graph |
55 (2 Low) | 24 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 20:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 02/09/2025 18:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 20:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 20:00:00 |
| Northampton Spring Park Timeseries Graph |
53 (2 Low) | n/a | n/m | 8 (1 Low) | n/m | 02/09/2025 01:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 20:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
55 (2 Low) | 22 (1 Low) | n/a | 5 (1 Low) | 10 (1 Low) *2 | 27/08/2025 12:45:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 29/08/2025 10:00:00 |
| Tallington Timeseries Graph |
63 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 02:00:00 |
| Toft Newton Timeseries Graph |
60 (2 Low) | 8 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/09/2025 20:00:00 |
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 | 28 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 10:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 02/09/2025 13:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 4 (1 Low) | n/m | 02/09/2025 20:00:00 |
| Norwich Lakenfields Timeseries Graph |
62 (2 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 20:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 02/09/2025 20:00:00 |
| Sibton Timeseries Graph |
60 (2 Low) | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/09/2025 06:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 05:00:00 |
| Southend-on-Sea Timeseries Graph |
63 (2 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 06:00:00 |
| St Osyth Timeseries Graph |
64 (2 Low) | 23 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 06:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *1 | 02/09/2025 07:00:00 |
| Thurrock Timeseries Graph |
65 (2 Low) | 21 (1 Low) | 4 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 15:45:00 |
| Weybourne Timeseries Graph |
65 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/09/2025 01:00:00 |
| Wicken Fen Timeseries Graph |
59 (2 Low) | 6 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 02/09/2025 11:00:00 |
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 | 42 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *1 | 02/09/2025 17:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 21 (2 Low) *1 | 02/09/2025 07:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 15/07/2025 20:00:00 |
| London Bexley Timeseries Graph |
n/m | 24 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 07:00:00 |
| London Bloomsbury Timeseries Graph |
50 (2 Low) | 27 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 04:45:00 |
| London Haringey Priory Park South Timeseries Graph |
50 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 05:00:00 |
| London Harlington Timeseries Graph |
47 (2 Low) | 51 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 05:00:00 |
| London Hillingdon Timeseries Graph |
32 (1 Low) | 51 (1 Low) | n/m | 6 (1 Low) | 18 (2 Low) *2 | 02/09/2025 05:00:00 |
| London Honor Oak Park Timeseries Graph |
63 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 04:00:00 |
| London Marylebone Road Timeseries Graph |
31 (1 Low) | 91 (2 Low) | 16 (1 Low) | 7 (1 Low) | 19 (2 Low) *1 | 02/09/2025 15:45:00 |
| London N. Kensington Timeseries Graph |
65 (2 Low) | 24 (1 Low) | 5 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 01/09/2025 23:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 03:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 06:00:00 |
| London Westminster Timeseries Graph |
44 (2 Low) | 20 (1 Low) | n/m | n/a | n/m | 21/07/2025 16:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 02/09/2025 08:00:00 |
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 |
54 (2 Low) | 18 (1 Low) | n/m | n/m | n/m | 02/09/2025 09:00:00 |
| Inverness Timeseries Graph |
n/m | 12 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 02/09/2025 18:00:00 |
| Lerwick Timeseries Graph |
75 (3 Low) | n/m | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| Strathvaich Timeseries Graph |
70 (3 Low) | n/m | n/m | n/m | n/m | 02/09/2025 17:00:00 |
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 |
| Hartlepool St Abbs Walk Timeseries Graph |
67 (3 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 20:00:00 |
| Kielder Water Timeseries Graph |
57 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 02/09/2025 01:00:00 |
| Middlesbrough Timeseries Graph |
67 (3 Low) | 8 (1 Low) | 12 (1 Low) | 3 (1 Low) | 11 (1 Low) *1 | 02/09/2025 15:00:00 |
| Newcastle Centre Timeseries Graph |
58 (2 Low) | 35 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 02/09/2025 06:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 57 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 01:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 3 (1 Low) | n/m | 02/09/2025 12:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 12 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *1 | 02/09/2025 15:00:00 |
| Sunderland Silksworth Timeseries Graph |
59 (2 Low) | 36 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 20:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 32 (1 Low) | n/m | 4 (1 Low) | n/m | 02/09/2025 01:00:00 |
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 |
66 (2 Low) | 3 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 02/09/2025 01:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 02/09/2025 09:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 02/09/2025 20:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 02/09/2025 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 |
60 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| Wrexham Timeseries Graph |
n/m | 23 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 09:00:00 |
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 | 23 (1 Low) | n/m | 4 (1 Low) | n/m | 02/09/2025 16:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 02/09/2025 18:00:00 |
| Blackburn Audley Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 19:00:00 |
| Blackpool Marton Timeseries Graph |
65 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/09/2025 12:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 02/09/2025 11:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 01/09/2025 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 10 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *1 | 02/09/2025 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
59 (2 Low) | 18 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 17:00:00 |
| Glazebury Timeseries Graph |
65 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 18:00:00 |
| Liverpool Speke Timeseries Graph |
59 (2 Low) | 13 (1 Low) | 59 (1 Low) | 7 (1 Low) | 13 (1 Low) *1 | 02/09/2025 10:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
58 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 17:00:00 |
| Manchester Piccadilly Timeseries Graph |
45 (2 Low) | 23 (1 Low) | n/a | 5 (1 Low) | 8 (1 Low) *2 | 29/08/2025 13:45:00 |
| Manchester Sharston Timeseries Graph |
56 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 18:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 02/09/2025 20:00:00 |
| Preston Timeseries Graph |
59 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 14:00:00 |
| Salford Eccles Timeseries Graph |
66 (2 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 18:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 02/09/2025 17:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 02/09/2025 11:00:00 |
| Warrington Timeseries Graph |
n/m | 20 (1 Low) | n/m | 1 (1 Low) | n/a | 02/09/2025 02:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 02/09/2025 16:00:00 |
| Wigan Centre Timeseries Graph |
60 (2 Low) | 19 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 14:00:00 |
| Wirral Tranmere Timeseries Graph |
59 (2 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 16:00:00 |
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 | 16 (1 Low) *1 | 02/09/2025 08:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 02/09/2025 08:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 23 (1 Low) | 2 (1 Low) | n/m | n/m | 02/09/2025 17:00:00 |
| Belfast Centre Timeseries Graph |
49 (2 Low) | 19 (1 Low) | 4 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 12:45:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 68 (2 Low) | n/m | n/m | 13 (1 Low) *1 | 02/09/2025 08:00:00 |
| Derry Rosemount Timeseries Graph |
54 (2 Low) | 15 (1 Low) | 1 (1 Low) | 2 (1 Low) | 8 (1 Low) *1 | 02/09/2025 01:00:00 |
| Lough Navar Timeseries Graph |
48 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/09/2025 01:00:00 |
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 | 02/09/2025 08:00:00 |
| Eskdalemuir Timeseries Graph |
65 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 02/09/2025 19:00:00 |
| Peebles Timeseries Graph |
69 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 02/09/2025 19:00:00 |
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 |
| Brighton Preston Park Timeseries Graph |
67 (3 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/09/2025 04:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 4 (1 Low) | 17 (2 Low) *1 | 02/09/2025 18:00:00 |
| Chilbolton Observatory Timeseries Graph |
65 (2 Low) | 6 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 04:00:00 |
| Eastbourne Timeseries Graph |
68 (3 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/09/2025 03:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 01:00:00 |
| Horley Timeseries Graph |
n/m | 53 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 01:00:00 |
| Lullington Heath Timeseries Graph |
74 (3 Low) | 3 (1 Low) | 3 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 02/09/2025 02:15:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 03:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
61 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 01:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 19/08/2025 17:00:00 |
| Oxford St Ebbes Timeseries Graph |
52 (2 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 01:00:00 |
| Portsmouth Timeseries Graph |
59 (2 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 01:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/09/2025 01:00:00 |
| Reading London Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 02/09/2025 07:00:00 |
| Reading New Town Timeseries Graph |
44 (2 Low) | 12 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 01:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 02/09/2025 01:00:00 |
| Rochester Stoke Timeseries Graph |
65 (2 Low) | 11 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 19:30:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 01:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 68 (2 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/09/2025 01:00:00 |
| Southampton Centre Timeseries Graph |
47 (2 Low) | 47 (1 Low) | 5 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 02/09/2025 09:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 13:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 8 (1 Low) | n/m | 02/09/2025 03:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 02/09/2025 03:00:00 |
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 |
57 (2 Low) | 21 (1 Low) | 2 (1 Low) | 7 (1 Low) | 14 (1 Low) *1 | 02/09/2025 08:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 02/09/2025 19:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 44 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 02/09/2025 01:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
65 (2 Low) | 20 (1 Low) | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 02/09/2025 10:00:00 |
| Narberth Timeseries Graph |
60 (2 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 10:15:00 |
| Newport Timeseries Graph |
n/m | 31 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/09/2025 01:00:00 |
| Port Talbot Margam Timeseries Graph |
63 (2 Low) | 11 (1 Low) | 1 (1 Low) | 4 (1 Low) | 18 (2 Low) *3 | 02/09/2025 18:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *1 | 02/09/2025 11:00:00 |
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) | 12 (1 Low) *2 | 02/09/2025 01:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 02/09/2025 18:00:00 |
| Bournemouth Timeseries Graph |
66 (2 Low) | 6 (1 Low) | n/m | 6 (1 Low) | n/m | 02/09/2025 02:00:00 |
| Bristol St Paul's Timeseries Graph |
59 (2 Low) | 32 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *1 | 02/09/2025 07:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 40 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/09/2025 01:00:00 |
| Charlton Mackrell Timeseries Graph |
59 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 01:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 02/09/2025 12:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | 8 (1 Low) | n/m | 02/09/2025 01:00:00 |
| Exeter Roadside Timeseries Graph |
53 (2 Low) | 35 (1 Low) | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 01:00:00 |
| Honiton Timeseries Graph |
56 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 01:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 37 (1 Low) | n/m | 6 (1 Low) | n/m | 02/09/2025 12:00:00 |
| Plymouth Centre Timeseries Graph |
59 (2 Low) | 15 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 02/09/2025 01:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 02/09/2025 17:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 16 (1 Low) *1 | 02/09/2025 01:00:00 |
| Swindon Walcot Timeseries Graph |
55 (2 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 01:00:00 |
| Yarner Wood Timeseries Graph |
54 (2 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 01:00:00 |
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 |
78 (3 Low) | n/m | n/m | n/m | n/m | 01/09/2025 19:00:00 |
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 |
| Birmingham A4540 Roadside Timeseries Graph |
43 (2 Low) | 44 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/09/2025 18:00:00 |
| Birmingham Hall Green Timeseries Graph |
36 (2 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 01:00:00 |
| Birmingham Ladywood Timeseries Graph |
58 (2 Low) | 17 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 13:00:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 19:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
n/a | n/a | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 04:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 4 (1 Low) | n/m | 02/09/2025 10:00:00 |
| Coventry Allesley Timeseries Graph |
55 (2 Low) | 26 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 01:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 02:00:00 |
| Leamington Spa Timeseries Graph |
66 (2 Low) | 12 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 01:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 01:00:00 |
| Leominster Timeseries Graph |
58 (2 Low) | 14 (1 Low) | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 19:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 15:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 56 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/09/2025 20:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
54 (2 Low) | 22 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 18:00:00 |
| Telford Hollinswood Timeseries Graph |
65 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 15:00:00 |
| Walsall Woodlands Timeseries Graph |
60 (2 Low) | 17 (1 Low) | n/m | n/m | n/m | 02/09/2025 18:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
56 (2 Low) | 21 (1 Low) | n/m | n/m | n/m | 01/09/2025 21:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 01:00:00 |
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 |
63 (2 Low) | 18 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 02/09/2025 10:45:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 02/09/2025 17:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/09/2025 19:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
57 (2 Low) | 33 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 02/09/2025 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 43 (1 Low) | n/m | 5 (1 Low) | n/m | 02/09/2025 20:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 02/09/2025 20:00:00 |
| High Muffles Timeseries Graph |
53 (2 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/09/2025 12:00:00 |
| Hull Freetown Timeseries Graph |
58 (2 Low) | 30 (1 Low) | 2 (1 Low) | 5 (1 Low) | 12 (1 Low) *2 | 01/09/2025 24:15: |
| Hull Holderness Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 20:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
63 (2 Low) | 13 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 02/09/2025 20:00:00 |
| Leeds Centre Timeseries Graph |
56 (2 Low) | 38 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 02/09/2025 19:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *1 | 02/09/2025 08:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 19:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 18 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *1 | 02/09/2025 18:45:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | 6 (1 Low) | n/m | 02/09/2025 15:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
56 (2 Low) | 23 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/09/2025 20:00:00 |
| Sheffield Tinsley Timeseries Graph |
51 (2 Low) | 31 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 02/09/2025 19:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/09/2025 19:00:00 |
| York Bootham Timeseries Graph |
56 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *1 | 02/09/2025 10:00:00 |
| York Fishergate Timeseries Graph |
n/m | 23 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 02/09/2025 18:00:00 |
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