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.
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- Pollutant levels recorded for the hour up to 11am Sat 12th Jul 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 |
51 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
| Bush Estate Timeseries Graph |
n/a | n/a | n/m | n/m | n/m | 11/07/2025 12:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Edinburgh St Leonards Timeseries Graph |
34 (2 Low) | 6 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 10 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 12/07/2025 11:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Glasgow Townhead Timeseries Graph |
35 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Grangemouth Timeseries Graph |
n/m | 15 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 12/07/2025 11:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
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 |
51 (2 Low) | 12 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Derby Stockbrook Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| Ladybower Timeseries Graph |
82 (3 Low) | 3 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 12/07/2025 11:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Leicester University Timeseries Graph |
53 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 12/07/2025 10:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| Northampton Spring Park Timeseries Graph |
51 (2 Low) | 6 (1 Low) | n/m | 8 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
58 (2 Low) | 7 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 11 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| Tallington Timeseries Graph |
47 (2 Low) | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Toft Newton Timeseries Graph |
63 (2 Low) | 5 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
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 | 5 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 12/07/2025 09:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 6 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Norwich Lakenfields Timeseries Graph |
45 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Sibton Timeseries Graph |
36 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 12/07/2025 11:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
| Southend-on-Sea Timeseries Graph |
46 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 12/07/2025 11:00:00 |
| St Osyth Timeseries Graph |
46 (2 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *1 | 12/07/2025 11:00:00 |
| Thurrock Timeseries Graph |
34 (2 Low) | 12 (1 Low) | 2 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Weybourne Timeseries Graph |
53 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 12/07/2025 11:00:00 |
| Wicken Fen Timeseries Graph |
35 (2 Low) | 2 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
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 | 31 (1 Low) | n/m | 9 (1 Low) | 22 (2 Low) *1 | 12/07/2025 11:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 25 (2 Low) *1 | 12/07/2025 11:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| London Bexley Timeseries Graph |
n/m | 15 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Bloomsbury Timeseries Graph |
34 (2 Low) | 15 (1 Low) | 5 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Haringey Priory Park South Timeseries Graph |
28 (1 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Harlington Timeseries Graph |
49 (2 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 12/07/2025 12:00:00 |
| London Hillingdon Timeseries Graph |
35 (2 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Honor Oak Park Timeseries Graph |
42 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Marylebone Road Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 11/07/2025 14:00:00 |
| London N. Kensington Timeseries Graph |
40 (2 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Westminster Timeseries Graph |
26 (1 Low) | 15 (1 Low) | n/m | 5 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 12/07/2025 11:00:00 |
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 |
14 (1 Low) | 9 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Inverness Timeseries Graph |
n/m | 5 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Lerwick Timeseries Graph |
60 (2 Low) | n/m | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Strathvaich Timeseries Graph |
47 (2 Low) | n/m | n/m | n/m | n/m | 12/07/2025 11:00:00 |
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 |
50 (2 Low) | 1 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 12/07/2025 11:00:00 |
| Kielder Water Timeseries Graph |
15 (1 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 12/07/2025 11:00:00 |
| Middlesbrough Timeseries Graph |
33 (1 Low) | 21 (1 Low) | 2 (1 Low) | 6 (1 Low) | 19 (2 Low) *1 | 12/07/2025 11:00:00 |
| Newcastle Centre Timeseries Graph |
52 (2 Low) | 11 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *1 | 12/07/2025 11:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 9 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 18 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *1 | 12/07/2025 11:00:00 |
| Sunderland Silksworth Timeseries Graph |
42 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 8 (1 Low) | n/m | 4 (1 Low) | n/m | 12/07/2025 11:00:00 |
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 |
45 (2 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 12/07/2025 11:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
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 |
80 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Wrexham Timeseries Graph |
n/m | 13 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
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 | 16 (1 Low) | n/m | 4 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Blackburn Audley Park Timeseries Graph |
57 (2 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| Blackpool Marton Timeseries Graph |
69 (3 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 12/07/2025 11:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 12/07/2025 11:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 8 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *1 | 12/07/2025 11:00:00 |
| Crewe Coppenhall Timeseries Graph |
42 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Glazebury Timeseries Graph |
52 (2 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 12/07/2025 11:00:00 |
| Liverpool Speke Timeseries Graph |
47 (2 Low) | 18 (1 Low) | 3 (1 Low) | 8 (1 Low) | 12 (1 Low) *1 | 12/07/2025 11:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Manchester Piccadilly Timeseries Graph |
64 (2 Low) | 12 (1 Low) | 3 (1 Low) | 7 (1 Low) | 18 (2 Low) *2 | 12/07/2025 11:00:00 |
| Manchester Sharston Timeseries Graph |
47 (2 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Preston Timeseries Graph |
63 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Salford Eccles Timeseries Graph |
69 (3 Low) | 10 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | n/a | 10/07/2025 14:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Warrington Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/a | n/a | 12/07/2025 10:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Wigan Centre Timeseries Graph |
44 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Wirral Tranmere Timeseries Graph |
52 (2 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
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 | 7 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 12/07/2025 11:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 5 (1 Low) | 3 (1 Low) | n/m | n/m | 12/07/2025 11:00:00 |
| Belfast Centre Timeseries Graph |
30 (1 Low) | 13 (1 Low) | 2 (1 Low) | 10 (1 Low) | 15 (1 Low) *2 | 12/07/2025 11:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 12/07/2025 11:00:00 |
| Derry Rosemount Timeseries Graph |
58 (2 Low) | 6 (1 Low) | 1 (1 Low) | 4 (1 Low) | 10 (1 Low) *1 | 12/07/2025 11:00:00 |
| Lough Navar Timeseries Graph |
27 (1 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
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 | 21 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Eskdalemuir Timeseries Graph |
46 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Peebles Timeseries Graph |
32 (1 Low) | 2 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
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 |
42 (2 Low) | n/a | n/m | 3 (1 Low) | 6 (1 Low) *2 | 12/07/2025 11:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *1 | 12/07/2025 11:00:00 |
| Chilbolton Observatory Timeseries Graph |
59 (2 Low) | 1 (1 Low) | 2 (1 Low) | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Eastbourne Timeseries Graph |
40 (2 Low) | 8 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 12/07/2025 11:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Horley Timeseries Graph |
n/m | 7 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Lullington Heath Timeseries Graph |
64 (2 Low) | 5 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 12/07/2025 11:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
57 (2 Low) | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Oxford St Ebbes Timeseries Graph |
53 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Portsmouth Timeseries Graph |
51 (2 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 12/07/2025 11:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 12/07/2025 11:00:00 |
| Reading London Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 12/07/2025 11:00:00 |
| Reading New Town Timeseries Graph |
46 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Rochester Stoke Timeseries Graph |
40 (2 Low) | 2 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 16 (1 Low) *2 | 12/07/2025 11:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 38 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| Southampton Centre Timeseries Graph |
30 (1 Low) | 14 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 4 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
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 |
40 (2 Low) | 15 (1 Low) | 4 (1 Low) | 14 (2 Low) | 21 (2 Low) *1 | 12/07/2025 11:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 12/07/2025 11:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | n/a | n/m | 5 (1 Low) | 14 (1 Low) *1 | 12/07/2025 11:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
60 (2 Low) | 6 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Narberth Timeseries Graph |
66 (2 Low) | 2 (1 Low) | 1 (1 Low) | 2 (1 Low) | 6 (1 Low) *2 | 12/07/2025 11:00:00 |
| Newport Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| Port Talbot Margam Timeseries Graph |
43 (2 Low) | 11 (1 Low) | 1 (1 Low) | 8 (1 Low) | 17 (2 Low) *3 | 12/07/2025 11:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *1 | 12/07/2025 11:00:00 |
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 | 4 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Bournemouth Timeseries Graph |
39 (2 Low) | 14 (1 Low) | n/m | 6 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Bristol St Paul's Timeseries Graph |
72 (3 Low) | 6 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *1 | 12/07/2025 11:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 42 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Charlton Mackrell Timeseries Graph |
72 (3 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 5 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Exeter Roadside Timeseries Graph |
41 (2 Low) | 16 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| Honiton Timeseries Graph |
65 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | n/a | n/m | 7 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Plymouth Centre Timeseries Graph |
41 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 12/07/2025 10:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 09/07/2025 16:00:00 |
| Swindon Walcot Timeseries Graph |
65 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Yarner Wood Timeseries Graph |
68 (3 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
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 |
78 (3 Low) | n/m | n/m | n/m | n/m | 12/07/2025 11:00:00 |
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 |
55 (2 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| Birmingham Hall Green Timeseries Graph |
64 (2 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| Birmingham Ladywood Timeseries Graph |
57 (2 Low) | 10 (1 Low) | 2 (1 Low) | 5 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
60 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 4 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Coventry Allesley Timeseries Graph |
53 (2 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Leamington Spa Timeseries Graph |
64 (2 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/a | n/a | 12/07/2025 10:00:00 |
| Leominster Timeseries Graph |
53 (2 Low) | 7 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 12/07/2025 11:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
77 (3 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Telford Hollinswood Timeseries Graph |
74 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 12/07/2025 11:00:00 |
| Walsall Woodlands Timeseries Graph |
59 (2 Low) | 7 (1 Low) | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
59 (2 Low) | n/a | n/m | n/m | n/m | 12/07/2025 11:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 12/07/2025 11:00:00 |
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 |
36 (2 Low) | 19 (1 Low) | 6 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 12/07/2025 10:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
51 (2 Low) | 13 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 22 (1 Low) | n/m | 10 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 12/07/2025 11:00:00 |
| High Muffles Timeseries Graph |
40 (2 Low) | 1 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 12/07/2025 11:00:00 |
| Hull Freetown Timeseries Graph |
51 (2 Low) | 3 (1 Low) | 0 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 12/07/2025 11:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
48 (2 Low) | 6 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Leeds Centre Timeseries Graph |
70 (3 Low) | 8 (1 Low) | 1 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 12/07/2025 11:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *1 | 12/07/2025 11:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 12/07/2025 11:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 6 (1 Low) | 1 (1 Low) | 9 (1 Low) | 18 (2 Low) *1 | 12/07/2025 11:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | 9 (1 Low) | n/m | 12/07/2025 11:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
43 (2 Low) | 22 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 12/07/2025 11:00:00 |
| Sheffield Tinsley Timeseries Graph |
36 (2 Low) | 26 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 12/07/2025 11:00:00 |
| York Bootham Timeseries Graph |
42 (2 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 12/07/2025 11:00:00 |
| York Fishergate Timeseries Graph |
n/m | 10 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *1 | 12/07/2025 11:00:00 |
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