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 8pm Wed 22nd Jan 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 |
57 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 22/01/2025 20:00 |
| Bush Estate Timeseries Graph |
49 (2 Low) | 9 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 21/01/2025 01:00 |
| Edinburgh St Leonards Timeseries Graph |
12 (1 Low) | 69 (2 Low) | 4 (1 Low) | 8 (1 Low) | 12 (1 Low) *2 | 22/01/2025 20:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Glasgow High Street Timeseries Graph |
n/m | 70 (2 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 22/01/2025 20:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 89 (2 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Glasgow Townhead Timeseries Graph |
8 (1 Low) | 67 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 22/01/2025 20:00 |
| Grangemouth Timeseries Graph |
n/m | 44 (1 Low) | 3 (1 Low) | 9 (1 Low) | 12 (1 Low) *1 | 22/01/2025 20:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 22/01/2025 20:00 |
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 |
20 (1 Low) | 41 (1 Low) | n/m | 23 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 58 (1 Low) | n/m | 26 (3 Low) | n/m | 22/01/2025 20:00 |
| Derby Stockbrook Park Timeseries Graph |
20 (1 Low) | n/m | n/m | 23 (2 Low) | 27 (2 Low) *2 | 22/01/2025 20:00 |
| Ladybower Timeseries Graph |
57 (2 Low) | 18 (1 Low) | 1 (1 Low) | 10 (1 Low) | 11 (1 Low) *2 | 22/01/2025 20:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 29 (3 Low) | 39 (3 Low) *2 | 22/01/2025 20:00 |
| Leicester University Timeseries Graph |
15 (1 Low) | 52 (1 Low) | n/m | 25 (3 Low) | 30 (2 Low) *2 | 22/01/2025 20:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 22/01/2025 13:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 28 (3 Low) | 32 (2 Low) *2 | 22/01/2025 20:00 |
| Northampton Spring Park Timeseries Graph |
29 (1 Low) | 48 (1 Low) | n/m | 28 (3 Low) | n/m | 22/01/2025 20:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
9 (1 Low) | 55 (1 Low) | 5 (1 Low) | 30 (3 Low) | 35 (3 Low) *2 | 22/01/2025 20:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 58 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Tallington Timeseries Graph |
21 (1 Low) | n/m | n/m | 26 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Toft Newton Timeseries Graph |
18 (1 Low) | 14 (1 Low) | n/m | 23 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
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 | 47 (1 Low) | n/m | 26 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 22/01/2025 19:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | 28 (3 Low) | n/m | 22/01/2025 20:00 |
| Norwich Lakenfields Timeseries Graph |
22 (1 Low) | 22 (1 Low) | n/m | 22 (2 Low) | 25 (2 Low) *2 | 22/01/2025 20:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 29 (3 Low) | 33 (2 Low) *2 | 22/01/2025 20:00 |
| Sandy Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 22/01/2025 13:00 |
| Sibton Timeseries Graph |
17 (1 Low) | n/m | n/m | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Southend-on-Sea Timeseries Graph |
19 (1 Low) | 19 (1 Low) | n/m | 21 (2 Low) | 23 (2 Low) *2 | 22/01/2025 20:00 |
| St Osyth Timeseries Graph |
28 (1 Low) | 16 (1 Low) | n/m | 21 (2 Low) | 23 (2 Low) *2 | 22/01/2025 20:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 26 (3 Low) | 24 (2 Low) *1 | 22/01/2025 20:00 |
| Thurrock Timeseries Graph |
23 (1 Low) | 29 (1 Low) | 3 (1 Low) | 22 (2 Low) | 24 (2 Low) *2 | 22/01/2025 20:00 |
| Weybourne Timeseries Graph |
34 (2 Low) | n/m | n/m | 20 (2 Low) | 24 (2 Low) *2 | 22/01/2025 20:00 |
| Wicken Fen Timeseries Graph |
8 (1 Low) | 20 (1 Low) | 3 (1 Low) | 29 (3 Low) | 32 (2 Low) *2 | 22/01/2025 20:00 |
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 | 66 (1 Low) | n/m | 29 (3 Low) | 36 (3 Low) *1 | 22/01/2025 20:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 31 (2 Low) *1 | 22/01/2025 20:00 |
| Haringey Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| London Bexley Timeseries Graph |
n/m | 36 (1 Low) | n/m | 27 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| London Bloomsbury Timeseries Graph |
18 (1 Low) | 51 (1 Low) | 2 (1 Low) | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| London Haringey Priory Park South Timeseries Graph |
n/a | 38 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| London Harlington Timeseries Graph |
25 (1 Low) | 41 (1 Low) | n/m | 25 (3 Low) | 28 (2 Low) *2 | 22/01/2025 20:00 |
| London Hillingdon Timeseries Graph |
29 (1 Low) | 33 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| London Honor Oak Park Timeseries Graph |
35 (2 Low) | n/m | n/m | n/a | n/a | 22/01/2025 20:00 |
| London Marylebone Road Timeseries Graph |
20 (1 Low) | 57 (1 Low) | n/a | 26 (3 Low) | 30 (2 Low) *1 | 22/01/2025 20:00 |
| London N. Kensington Timeseries Graph |
32 (1 Low) | 44 (1 Low) | 2 (1 Low) | 24 (3 Low) | 28 (2 Low) *2 | 22/01/2025 20:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 26 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| London Westminster Timeseries Graph |
24 (1 Low) | 49 (1 Low) | n/m | 25 (3 Low) | n/m | 22/01/2025 20:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/a | 22/01/2025 20:00 |
| Tower Hamlets Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
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 |
40 (2 Low) | 13 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Inverness Timeseries Graph |
n/m | 37 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 22/01/2025 20:00 |
| Lerwick Timeseries Graph |
47 (2 Low) | n/m | n/m | n/m | n/m | 22/01/2025 20:00 |
| Strathvaich Timeseries Graph |
63 (2 Low) | n/m | n/m | n/m | n/m | 22/01/2025 20:00 |
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 |
n/a | n/a | n/m | 17 (2 Low) | 20 (2 Low) *2 | 22/01/2025 18:00 |
| Kielder Water Timeseries Graph |
24 (1 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 22/01/2025 20:00 |
| Middlesbrough Timeseries Graph |
12 (1 Low) | 59 (1 Low) | 5 (1 Low) | 14 (2 Low) | 16 (1 Low) *1 | 22/01/2025 20:00 |
| Newcastle Centre Timeseries Graph |
20 (1 Low) | 49 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 22/01/2025 20:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 66 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 22/01/2025 20:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/a | n/m | 22/01/2025 20:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/a | n/a | 22/01/2025 20:00 |
| Sunderland Silksworth Timeseries Graph |
6 (1 Low) | 67 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 22/01/2025 20:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 64 (1 Low) | n/m | 16 (2 Low) | n/m | 22/01/2025 20:00 |
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 |
3 (1 Low) | 67 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 22/01/2025 20:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
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 |
62 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Wrexham Timeseries Graph |
n/m | 27 (1 Low) | 3 (1 Low) | 16 (2 Low) | 19 (2 Low) *2 | 22/01/2025 20:00 |
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 | 52 (1 Low) | n/m | 26 (3 Low) | n/m | 22/01/2025 20:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Blackburn Audley Park Timeseries Graph |
16 (1 Low) | n/m | n/m | 16 (2 Low) | 19 (2 Low) *2 | 22/01/2025 20:00 |
| Blackpool Marton Timeseries Graph |
13 (1 Low) | 50 (1 Low) | n/m | 17 (2 Low) | 19 (2 Low) *2 | 22/01/2025 20:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 20 (2 Low) | n/m | 22/01/2025 20:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | 28 (2 Low) *1 | 22/01/2025 20:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 24 (1 Low) | n/m | 14 (2 Low) | 15 (1 Low) *1 | 22/01/2025 20:00 |
| Crewe Coppenhall Timeseries Graph |
30 (1 Low) | 32 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Glazebury Timeseries Graph |
16 (1 Low) | 53 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *2 | 22/01/2025 20:00 |
| Liverpool Speke Timeseries Graph |
8 (1 Low) | 43 (1 Low) | 3 (1 Low) | 20 (2 Low) | 26 (2 Low) *1 | 22/01/2025 20:00 |
| Manchester Piccadilly Timeseries Graph |
10 (1 Low) | 60 (1 Low) | 3 (1 Low) | 21 (2 Low) | 28 (2 Low) *2 | 22/01/2025 20:00 |
| Manchester Sharston Timeseries Graph |
27 (1 Low) | 38 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *2 | 22/01/2025 20:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 24 (3 Low) | n/m | 22/01/2025 20:00 |
| Preston Timeseries Graph |
13 (1 Low) | 51 (1 Low) | n/m | 17 (2 Low) | 20 (2 Low) *2 | 22/01/2025 20:00 |
| Salford Eccles Timeseries Graph |
14 (1 Low) | 50 (1 Low) | n/m | 27 (3 Low) | 33 (2 Low) *2 | 22/01/2025 20:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| St Helens Linkway Timeseries Graph |
n/m | 65 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 22/01/2025 20:00 |
| Warrington Timeseries Graph |
n/m | 33 (1 Low) | n/m | 21 (2 Low) | 26 (2 Low) *1 | 22/01/2025 20:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Wigan Centre Timeseries Graph |
17 (1 Low) | 66 (1 Low) | n/m | 23 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| Wirral Tranmere Timeseries Graph |
18 (1 Low) | 35 (1 Low) | n/m | 25 (3 Low) | 28 (2 Low) *2 | 22/01/2025 20:00 |
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 | 27 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 22/01/2025 20:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 15 (1 Low) | 1 (1 Low) | n/m | n/m | 22/01/2025 20:00 |
| Belfast Centre Timeseries Graph |
26 (1 Low) | 24 (1 Low) | 2 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 22/01/2025 20:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 22/01/2025 20:00 |
| Derry Rosemount Timeseries Graph |
52 (2 Low) | 23 (1 Low) | 6 (1 Low) | 10 (1 Low) | 10 (1 Low) *1 | 22/01/2025 20:00 |
| Lough Navar Timeseries Graph |
n/a | n/m | n/m | 1 (1 Low) | 2 (1 Low) *2 | 22/01/2025 20:00 |
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 | 65 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Eskdalemuir Timeseries Graph |
27 (1 Low) | 2 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Peebles Timeseries Graph |
18 (1 Low) | 18 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
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 |
10 (1 Low) | 31 (1 Low) | n/m | 21 (2 Low) | 23 (2 Low) *2 | 22/01/2025 20:00 |
| Chatham Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 20 (2 Low) | 28 (2 Low) *1 | 22/01/2025 20:00 |
| Chilbolton Observatory Timeseries Graph |
50 (2 Low) | n/a | 6 (1 Low) | 23 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| Eastbourne Timeseries Graph |
13 (1 Low) | 28 (1 Low) | n/m | 16 (2 Low) | 19 (2 Low) *2 | 22/01/2025 20:00 |
| Horley Timeseries Graph |
n/m | n/a | n/m | 18 (2 Low) | n/a | 22/01/2025 20:00 |
| Lullington Heath Timeseries Graph |
23 (1 Low) | 28 (1 Low) | 1 (1 Low) | 17 (2 Low) | 19 (2 Low) *2 | 22/01/2025 20:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| Milton Keynes Civic Centre Timeseries Graph |
20 (1 Low) | n/m | n/m | 27 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Oxford St Ebbes Timeseries Graph |
27 (1 Low) | 31 (1 Low) | n/m | 23 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| Portsmouth Timeseries Graph |
24 (1 Low) | 26 (1 Low) | n/m | 22 (2 Low) | 25 (2 Low) *2 | 22/01/2025 20:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | 20 (2 Low) | 23 (2 Low) *2 | 22/01/2025 20:00 |
| Reading London Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | 28 (2 Low) *1 | 22/01/2025 20:00 |
| Reading New Town Timeseries Graph |
31 (1 Low) | 44 (1 Low) | n/m | 26 (3 Low) | 30 (2 Low) *2 | 22/01/2025 20:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 29 (3 Low) | n/m | 22/01/2025 20:00 |
| Rochester Stoke Timeseries Graph |
27 (1 Low) | 31 (1 Low) | 3 (1 Low) | 22 (2 Low) | 24 (2 Low) *2 | 22/01/2025 20:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 30 (3 Low) | 40 (3 Low) *2 | 22/01/2025 20:00 |
| Southampton A33 Timeseries Graph |
n/m | 50 (1 Low) | n/m | 23 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| Southampton Centre Timeseries Graph |
31 (1 Low) | 25 (1 Low) | 1 (1 Low) | 20 (2 Low) | 22 (2 Low) *2 | 22/01/2025 20:00 |
| Storrington Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 08/01/2025 16:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 24 (3 Low) | n/m | 22/01/2025 20:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 25 (2 Low) *2 | 22/01/2025 20:00 |
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 |
32 (1 Low) | 51 (1 Low) | 2 (1 Low) | n/a | n/a | 22/01/2025 20:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | 31 (2 Low) *1 | 22/01/2025 20:00 |
| Chepstow A48 Timeseries Graph |
n/m | 59 (1 Low) | n/m | 23 (2 Low) | 28 (2 Low) *1 | 22/01/2025 20:00 |
| Cwmbran Crownbridge Timeseries Graph |
24 (1 Low) | 43 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 22/01/2025 19:00 |
| Narberth Timeseries Graph |
n/a | n/a | n/a | 21 (2 Low) | 25 (2 Low) *2 | 22/01/2025 20:00 |
| Newport Timeseries Graph |
n/m | 57 (1 Low) | n/m | 25 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| Port Talbot Margam Timeseries Graph |
19 (1 Low) | 41 (1 Low) | 2 (1 Low) | 13 (2 Low) | 20 (2 Low) *3 | 22/01/2025 20:00 |
| Swansea Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/a | n/a | 22/01/2025 20:00 |
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 | 18 (2 Low) | 21 (2 Low) *2 | 22/01/2025 20:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Bournemouth Timeseries Graph |
27 (1 Low) | 44 (1 Low) | n/m | n/a | n/m | 22/01/2025 20:00 |
| Bristol St Paul's Timeseries Graph |
26 (1 Low) | 64 (1 Low) | n/m | 22 (2 Low) | 29 (2 Low) *1 | 22/01/2025 20:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 63 (1 Low) | n/m | 25 (3 Low) | 32 (2 Low) *2 | 22/01/2025 20:00 |
| Charlton Mackrell Timeseries Graph |
44 (2 Low) | 13 (1 Low) | n/m | 20 (2 Low) | 23 (2 Low) *2 | 22/01/2025 20:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/a | n/m | 22/01/2025 20:00 |
| Exeter Roadside Timeseries Graph |
23 (1 Low) | 39 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Honiton Timeseries Graph |
33 (1 Low) | 28 (1 Low) | n/m | 17 (2 Low) | 19 (2 Low) *2 | 22/01/2025 20:00 |
| Plymouth Centre Timeseries Graph |
24 (1 Low) | 57 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 22/01/2025 20:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 22/01/2025 19:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 16 (1 Low) *1 | 22/01/2025 20:00 |
| Swindon Walcot Timeseries Graph |
23 (1 Low) | 39 (1 Low) | n/m | 26 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Yarner Wood Timeseries Graph |
46 (2 Low) | 3 (1 Low) | n/m | 11 (1 Low) | 12 (1 Low) *2 | 22/01/2025 20:00 |
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 |
87 (3 Low) | n/m | n/m | n/m | n/m | 22/01/2025 20:00 |
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 |
9 (1 Low) | 80 (2 Low) | n/m | 26 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| Birmingham Hall Green Timeseries Graph |
13 (1 Low) | 60 (1 Low) | n/m | 24 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Birmingham Ladywood Timeseries Graph |
n/a | 65 (1 Low) | 3 (1 Low) | 24 (3 Low) | 28 (2 Low) *2 | 22/01/2025 20:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
22 (1 Low) | 55 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | 24 (3 Low) | n/m | 22/01/2025 20:00 |
| Coventry Allesley Timeseries Graph |
14 (1 Low) | 54 (1 Low) | n/m | 23 (2 Low) | 27 (2 Low) *2 | 22/01/2025 20:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 60 (1 Low) | n/m | 25 (3 Low) | 30 (2 Low) *2 | 22/01/2025 20:00 |
| Leamington Spa Timeseries Graph |
11 (1 Low) | 64 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 61 (1 Low) | n/m | 22 (2 Low) | 25 (2 Low) *2 | 22/01/2025 20:00 |
| Leominster Timeseries Graph |
32 (1 Low) | 33 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 05/01/2025 24:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 21 (2 Low) | 24 (2 Low) *2 | 22/01/2025 20:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 72 (2 Low) | n/m | 26 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| Stoke-on-Trent Centre Timeseries Graph |
16 (1 Low) | 61 (1 Low) | n/m | 27 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| Telford Hollinswood Timeseries Graph |
19 (1 Low) | 48 (1 Low) | n/m | 24 (3 Low) | 27 (2 Low) *2 | 22/01/2025 20:00 |
| Walsall Woodlands Timeseries Graph |
24 (1 Low) | 41 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
| West Bromwich Kenrick Park Timeseries Graph |
22 (1 Low) | 53 (1 Low) | n/m | n/m | n/m | 22/01/2025 20:00 |
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 |
25 (1 Low) | 45 (1 Low) | 2 (1 Low) | 19 (2 Low) | 21 (2 Low) *2 | 22/01/2025 20:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 22/01/2025 19:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 21 (2 Low) *2 | 22/01/2025 20:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
26 (1 Low) | 38 (1 Low) | n/m | 18 (2 Low) | 22 (2 Low) *2 | 22/01/2025 20:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 52 (1 Low) | n/m | 25 (3 Low) | n/m | 22/01/2025 20:00 |
| High Muffles Timeseries Graph |
60 (2 Low) | 7 (1 Low) | n/m | 9 (1 Low) | 10 (1 Low) *2 | 22/01/2025 20:00 |
| Hull Freetown Timeseries Graph |
17 (1 Low) | 59 (1 Low) | 2 (1 Low) | 25 (3 Low) | 29 (2 Low) *2 | 22/01/2025 20:00 |
| Hull Holderness Road Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 22/01/2025 14:00 |
| Immingham Woodlands Avenue Timeseries Graph |
23 (1 Low) | 15 (1 Low) | n/m | 23 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| Leeds Centre Timeseries Graph |
25 (1 Low) | 42 (1 Low) | 2 (1 Low) | 18 (2 Low) | 21 (2 Low) *2 | 22/01/2025 20:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 18 (2 Low) | 19 (2 Low) *1 | 22/01/2025 20:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 27 (3 Low) | 31 (2 Low) *2 | 22/01/2025 20:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 39 (1 Low) | 1 (1 Low) | n/m | 30 (2 Low) *1 | 22/01/2025 20:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 76 (2 Low) | n/m | n/a | n/m | 22/01/2025 20:00 |
| Sheffield Devonshire Green Timeseries Graph |
22 (1 Low) | 36 (1 Low) | n/m | 19 (2 Low) | 21 (2 Low) *2 | 22/01/2025 20:00 |
| Sheffield Tinsley Timeseries Graph |
20 (1 Low) | n/a | n/m | 22 (2 Low) | 26 (2 Low) *2 | 22/01/2025 20:00 |
| York Bootham Timeseries Graph |
24 (1 Low) | 38 (1 Low) | n/m | 22 (2 Low) | 24 (2 Low) *1 | 22/01/2025 20:00 |
| York Fishergate Timeseries Graph |
n/m | 58 (1 Low) | n/m | 19 (2 Low) | 30 (2 Low) *1 | 22/01/2025 20:00 |
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