Latest measured levels based on data provided by the 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
- Pollutant levels recorded for the hour up to 2pm Sat 13th Sep 2025
Central Scotland
| Latest measured levels based on data provided by the 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 | 2 (1 Low) | 3 (1 Low) *2 | 13/09/2025 14:00:00 |
| Bush Estate Timeseries Graph |
55 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Edinburgh St Leonards Timeseries Graph |
41 (2 Low) | 6 (1 Low) | n/a | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 6 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Glasgow Townhead Timeseries Graph |
n/a | n/a | n/m | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Grangemouth Timeseries Graph |
n/m | 6 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *1 | 13/09/2025 14:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 13/09/2025 13:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
East Midlands
| Latest measured levels based on data provided by the 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 |
58 (2 Low) | 1 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 31 (1 Low) | n/m | 4 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Derby Stockbrook Park Timeseries Graph |
48 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Ladybower Timeseries Graph |
62 (2 Low) | 2 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Leicester University Timeseries Graph |
49 (2 Low) | n/a | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Northampton Spring Park Timeseries Graph |
55 (2 Low) | 3 (1 Low) | n/m | 6 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
53 (2 Low) | 7 (1 Low) | n/a | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Tallington Timeseries Graph |
58 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Toft Newton Timeseries Graph |
48 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
Eastern
| Latest measured levels based on data provided by the 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 | 8 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Norwich Lakenfields Timeseries Graph |
50 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Sibton Timeseries Graph |
54 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Southend-on-Sea Timeseries Graph |
56 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| St Osyth Timeseries Graph |
63 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *1 | 13/09/2025 14:00:00 |
| Thurrock Timeseries Graph |
60 (2 Low) | 2 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Weybourne Timeseries Graph |
53 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 13/09/2025 14:00:00 |
| Wicken Fen Timeseries Graph |
n/a | n/a | n/a | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
Greater London
| Latest measured levels based on data provided by the 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 | 14 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 13/09/2025 14:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 15 (1 Low) *1 | 13/09/2025 14:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 16/07/2025 16:00:00 |
| London Bexley Timeseries Graph |
n/m | 4 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Bloomsbury Timeseries Graph |
46 (2 Low) | 7 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Haringey Priory Park South Timeseries Graph |
47 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Harlington Timeseries Graph |
45 (2 Low) | 17 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 15:00:00 |
| London Hillingdon Timeseries Graph |
28 (1 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Honor Oak Park Timeseries Graph |
58 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Marylebone Road Timeseries Graph |
30 (1 Low) | 21 (1 Low) | 2 (1 Low) | 5 (1 Low) | 16 (1 Low) *1 | 13/09/2025 14:00:00 |
| London N. Kensington Timeseries Graph |
55 (2 Low) | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Westminster Timeseries Graph |
40 (2 Low) | 5 (1 Low) | n/m | n/a | n/m | 13/09/2025 14:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 13/09/2025 14:00:00 |
Highland
| Latest measured levels based on data provided by the 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 |
42 (2 Low) | 13 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Inverness Timeseries Graph |
n/m | 10 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 13/09/2025 14:00:00 |
| Lerwick Timeseries Graph |
61 (2 Low) | n/m | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Strathvaich Timeseries Graph |
52 (2 Low) | n/m | n/m | n/m | n/m | 13/09/2025 14:00:00 |
North East
| Latest measured levels based on data provided by the 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 |
49 (2 Low) | n/a | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Kielder Water Timeseries Graph |
49 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 13/09/2025 14:00:00 |
| Middlesbrough Timeseries Graph |
52 (2 Low) | 4 (1 Low) | 2 (1 Low) | 1 (1 Low) | 9 (1 Low) *1 | 13/09/2025 14:00:00 |
| Newcastle Centre Timeseries Graph |
44 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *1 | 13/09/2025 14:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 2 (1 Low) | n/m | 6 (1 Low) | 7 (1 Low) *1 | 13/09/2025 14:00:00 |
| Sunderland Silksworth Timeseries Graph |
50 (2 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 13/09/2025 15:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | n/m | 13/09/2025 14:00:00 |
North East Scotland
| Latest measured levels based on data provided by the 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) | 8 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
North Wales
| Latest measured levels based on data provided by the 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 |
59 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Wrexham Timeseries Graph |
n/m | 8 (1 Low) | n/a | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
North West & Merseyside
| Latest measured levels based on data provided by the 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 | 3 (1 Low) | n/m | 3 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Blackburn Audley Park Timeseries Graph |
47 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Blackpool Marton Timeseries Graph |
56 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 13/09/2025 14:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 5 (1 Low) | n/m | 2 (1 Low) | 8 (1 Low) *1 | 13/09/2025 14:00:00 |
| Crewe Coppenhall Timeseries Graph |
49 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Glazebury Timeseries Graph |
45 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Liverpool Speke Timeseries Graph |
44 (2 Low) | 4 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *1 | 13/09/2025 14:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
42 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Manchester Piccadilly Timeseries Graph |
39 (2 Low) | 17 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Manchester Sharston Timeseries Graph |
45 (2 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Preston Timeseries Graph |
42 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Salford Eccles Timeseries Graph |
53 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | 8 (1 Low) *1 | 13/09/2025 14:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Warrington Timeseries Graph |
n/m | 2 (1 Low) | n/m | 1 (1 Low) | 8 (1 Low) *1 | 13/09/2025 14:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Wigan Centre Timeseries Graph |
40 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Wirral Tranmere Timeseries Graph |
40 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
Northern Ireland
| Latest measured levels based on data provided by the 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 | n/a | n/m | n/m | n/a | 03/09/2025 15:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 2 (1 Low) | 2 (1 Low) | n/m | n/m | 13/09/2025 14:00:00 |
| Belfast Centre Timeseries Graph |
34 (2 Low) | 11 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | 9 (1 Low) *1 | 13/09/2025 14:00:00 |
| Derry Rosemount Timeseries Graph |
52 (2 Low) | 2 (1 Low) | 1 (1 Low) | 1 (1 Low) | n/a | 13/09/2025 14:00:00 |
| Lough Navar Timeseries Graph |
45 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 13/09/2025 14:00:00 |
Scottish Borders
| Latest measured levels based on data provided by the 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 | 8 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Eskdalemuir Timeseries Graph |
50 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 13/09/2025 15:00:00 |
| Peebles Timeseries Graph |
56 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
South East
| Latest measured levels based on data provided by the 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 |
53 (2 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 13/09/2025 15:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/a | n/a | 13/09/2025 14:00:00 |
| Chilbolton Observatory Timeseries Graph |
60 (2 Low) | 0 (1 Low) | 1 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Eastbourne Timeseries Graph |
62 (2 Low) | 1 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Horley Timeseries Graph |
n/m | 17 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Lullington Heath Timeseries Graph |
67 (3 Low) | 1 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
58 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 20/08/2025 09:00:00 |
| Oxford St Ebbes Timeseries Graph |
49 (2 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Portsmouth Timeseries Graph |
49 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 13/09/2025 14:00:00 |
| Reading London Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | 8 (1 Low) *1 | 13/09/2025 14:00:00 |
| Reading New Town Timeseries Graph |
41 (2 Low) | 1 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Rochester Stoke Timeseries Graph |
59 (2 Low) | 3 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 13/09/2025 14:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 13 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 13/09/2025 14:00:00 |
| Southampton Centre Timeseries Graph |
31 (1 Low) | 29 (1 Low) | 1 (1 Low) | 4 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 8 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 13/09/2025 14:00:00 |
South Wales
| Latest measured levels based on data provided by the 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 |
56 (2 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 13/09/2025 14:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | 9 (1 Low) *1 | 13/09/2025 14:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 24 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *1 | 13/09/2025 14:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
56 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Narberth Timeseries Graph |
53 (2 Low) | 1 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 13/09/2025 14:00:00 |
| Newport Timeseries Graph |
n/m | 5 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 13/09/2025 14:00:00 |
| Port Talbot Margam Timeseries Graph |
63 (2 Low) | 3 (1 Low) | 1 (1 Low) | 3 (1 Low) | 16 (1 Low) *3 | 13/09/2025 14:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *1 | 13/09/2025 14:00:00 |
South West
| Latest measured levels based on data provided by the 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 | 3 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Bournemouth Timeseries Graph |
56 (2 Low) | 2 (1 Low) | n/m | 5 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Bristol St Paul's Timeseries Graph |
52 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *1 | 13/09/2025 14:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 9 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 13/09/2025 14:00:00 |
| Charlton Mackrell Timeseries Graph |
56 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 1 (1 Low) | n/m | 6 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Exeter Roadside Timeseries Graph |
54 (2 Low) | 11 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Honiton Timeseries Graph |
51 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 16 (1 Low) | n/m | 4 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Plymouth Centre Timeseries Graph |
57 (2 Low) | 5 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 13/09/2025 14:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 13/09/2025 13:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 14 (1 Low) *1 | 13/09/2025 14:00:00 |
| Swindon Walcot Timeseries Graph |
55 (2 Low) | n/a | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Yarner Wood Timeseries Graph |
58 (2 Low) | 1 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
West Ireland
| Latest measured levels based on data provided by the 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 |
n/a | n/m | n/m | n/m | n/m | 12/09/2025 14:00:00 |
West Midlands
| Latest measured levels based on data provided by the 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 |
38 (2 Low) | 18 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Birmingham Hall Green Timeseries Graph |
65 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Birmingham Ladywood Timeseries Graph |
51 (2 Low) | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
62 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | 3 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Coventry Allesley Timeseries Graph |
49 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Leamington Spa Timeseries Graph |
57 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Leominster Timeseries Graph |
48 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
43 (2 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Telford Hollinswood Timeseries Graph |
60 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| Walsall Woodlands Timeseries Graph |
56 (2 Low) | 10 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
49 (2 Low) | 7 (1 Low) | n/m | n/m | n/m | 13/09/2025 14:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
Yorkshire & Humberside
| Latest measured levels based on data provided by the 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 |
53 (2 Low) | 5 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 13/09/2025 13:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 13/09/2025 14:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
56 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 13 (1 Low) | n/m | 4 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| High Muffles Timeseries Graph |
44 (2 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 13/09/2025 14:00:00 |
| Hull Freetown Timeseries Graph |
48 (2 Low) | 15 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
54 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 13/09/2025 14:00:00 |
| Leeds Centre Timeseries Graph |
43 (2 Low) | 15 (1 Low) | 0 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *1 | 13/09/2025 14:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 8 (1 Low) *1 | 13/09/2025 14:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | 4 (1 Low) | n/m | 13/09/2025 14:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
51 (2 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 13/09/2025 14:00:00 |
| Sheffield Tinsley Timeseries Graph |
41 (2 Low) | 16 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 13/09/2025 14:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 13/09/2025 14:00:00 |
| York Bootham Timeseries Graph |
37 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *1 | 13/09/2025 14:00:00 |
| York Fishergate Timeseries Graph |
n/m | 21 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *1 | 13/09/2025 14:00:00 |
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