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 10pm Tue 15th 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 |
47 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 15/07/2025 22:00:00 |
| Bush Estate Timeseries Graph |
47 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Edinburgh St Leonards Timeseries Graph |
31 (1 Low) | 9 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 16 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 22:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Glasgow Townhead Timeseries Graph |
44 (2 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Grangemouth Timeseries Graph |
n/m | 12 (1 Low) | 2 (1 Low) | 3 (1 Low) | 9 (1 Low) *1 | 15/07/2025 22:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
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 |
52 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | n/a | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 16 (1 Low) | n/m | 4 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Derby Stockbrook Park Timeseries Graph |
43 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Ladybower Timeseries Graph |
58 (2 Low) | 1 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 15/07/2025 22:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Leicester University Timeseries Graph |
48 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 15/07/2025 19:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Northampton Spring Park Timeseries Graph |
54 (2 Low) | 4 (1 Low) | n/m | 7 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
50 (2 Low) | 11 (1 Low) | 2 (1 Low) | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 12 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Tallington Timeseries Graph |
55 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Toft Newton Timeseries Graph |
69 (3 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
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 | 3 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 15/07/2025 22:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 4 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Norwich Lakenfields Timeseries Graph |
57 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Sibton Timeseries Graph |
62 (2 Low) | n/m | n/m | 4 (1 Low) | 11 (1 Low) *2 | 15/07/2025 22:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| Southend-on-Sea Timeseries Graph |
63 (2 Low) | 1 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| St Osyth Timeseries Graph |
74 (3 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 15/07/2025 22:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *1 | 15/07/2025 22:00:00 |
| Thurrock Timeseries Graph |
66 (2 Low) | 7 (1 Low) | 2 (1 Low) | 6 (1 Low) | 15 (1 Low) *2 | 15/07/2025 22:00:00 |
| Weybourne Timeseries Graph |
50 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Wicken Fen Timeseries Graph |
51 (2 Low) | 1 (1 Low) | 1 (1 Low) | 4 (1 Low) | 11 (1 Low) *2 | 15/07/2025 22:00:00 |
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 | 11 (1 Low) | n/m | 9 (1 Low) | 25 (2 Low) *1 | 15/07/2025 22:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 70 (6 Moderate) *1 | 15/07/2025 22:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| London Bexley Timeseries Graph |
n/m | 4 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| London Bloomsbury Timeseries Graph |
n/a | n/a | n/a | 5 (1 Low) | 15 (1 Low) *2 | 15/07/2025 20:00:00 |
| London Haringey Priory Park South Timeseries Graph |
61 (2 Low) | 3 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 15/07/2025 22:00:00 |
| London Harlington Timeseries Graph |
50 (2 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| London Hillingdon Timeseries Graph |
46 (2 Low) | 8 (1 Low) | n/m | 7 (1 Low) | 24 (2 Low) *2 | 15/07/2025 22:00:00 |
| London Honor Oak Park Timeseries Graph |
67 (3 Low) | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 15/07/2025 22:00:00 |
| London Marylebone Road Timeseries Graph |
36 (2 Low) | 16 (1 Low) | 5 (1 Low) | n/a | n/a | 15/07/2025 22:00:00 |
| London N. Kensington Timeseries Graph |
64 (2 Low) | 8 (1 Low) | 1 (1 Low) | 6 (1 Low) | 16 (1 Low) *2 | 15/07/2025 22:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 15/07/2025 14:00:00 |
| London Westminster Timeseries Graph |
44 (2 Low) | 3 (1 Low) | n/m | 5 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 15/07/2025 22:00:00 |
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 |
51 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Inverness Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Lerwick Timeseries Graph |
86 (3 Low) | n/m | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Strathvaich Timeseries Graph |
66 (2 Low) | n/m | n/m | n/m | n/m | 15/07/2025 22:00:00 |
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 |
47 (2 Low) | 12 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *2 | 15/07/2025 22:00:00 |
| Kielder Water Timeseries Graph |
37 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 15/07/2025 22:00:00 |
| Middlesbrough Timeseries Graph |
49 (2 Low) | 7 (1 Low) | 2 (1 Low) | 1 (1 Low) | 10 (1 Low) *1 | 15/07/2025 22:00:00 |
| Newcastle Centre Timeseries Graph |
47 (2 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 15/07/2025 22:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 3 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | n/a | n/m | 4 (1 Low) | 11 (1 Low) *1 | 15/07/2025 22:00:00 |
| Sunderland Silksworth Timeseries Graph |
46 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 7 (1 Low) | n/m | 3 (1 Low) | n/m | 15/07/2025 22:00:00 |
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 |
64 (2 Low) | 8 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 15/07/2025 22:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 14/07/2025 16:00:00 |
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 |
55 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Wrexham Timeseries Graph |
n/m | 5 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 22:00:00 |
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 | 4 (1 Low) | n/m | 3 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Blackburn Audley Park Timeseries Graph |
52 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 22:00:00 |
| Blackpool Marton Timeseries Graph |
62 (2 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 15/07/2025 22:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 15/07/2025 22:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 3 (1 Low) | n/m | 5 (1 Low) | 6 (1 Low) *1 | 15/07/2025 22:00:00 |
| Crewe Coppenhall Timeseries Graph |
49 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Glazebury Timeseries Graph |
4 (1 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 22:00:00 |
| Liverpool Speke Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 15/07/2025 16:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
53 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Manchester Piccadilly Timeseries Graph |
34 (2 Low) | 12 (1 Low) | 1 (1 Low) | n/a | n/a | 15/07/2025 22:00:00 |
| Manchester Sharston Timeseries Graph |
39 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Preston Timeseries Graph |
54 (2 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Salford Eccles Timeseries Graph |
43 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 15/07/2025 22:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 9 (1 Low) *1 | 15/07/2025 22:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 15/07/2025 02:00:00 |
| Warrington Timeseries Graph |
n/m | 7 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *1 | 15/07/2025 22:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Wigan Centre Timeseries Graph |
49 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Wirral Tranmere Timeseries Graph |
52 (2 Low) | n/a | n/m | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 22:00:00 |
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 | 20 (1 Low) | n/m | n/m | 9 (1 Low) *1 | 15/07/2025 22:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 4 (1 Low) | 3 (1 Low) | n/m | n/m | 15/07/2025 22:00:00 |
| Belfast Centre Timeseries Graph |
46 (2 Low) | 4 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 15/07/2025 22:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 15/07/2025 22:00:00 |
| Derry Rosemount Timeseries Graph |
64 (2 Low) | 4 (1 Low) | 1 (1 Low) | 1 (1 Low) | 5 (1 Low) *1 | 15/07/2025 22:00:00 |
| Lough Navar Timeseries Graph |
47 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 15/07/2025 22:00:00 |
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 | 15/07/2025 21:00:00 |
| Eskdalemuir Timeseries Graph |
55 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Peebles Timeseries Graph |
53 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
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 |
56 (2 Low) | 2 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 15/07/2025 22:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 8 (1 Low) | n/m | 3 (1 Low) | 20 (2 Low) *1 | 15/07/2025 22:00:00 |
| Chilbolton Observatory Timeseries Graph |
65 (2 Low) | 0 (1 Low) | n/a | 6 (1 Low) | 14 (1 Low) *2 | 15/07/2025 22:00:00 |
| Eastbourne Timeseries Graph |
63 (2 Low) | 2 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 15/07/2025 22:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 15 (1 Low) *2 | 15/07/2025 22:00:00 |
| Horley Timeseries Graph |
n/m | 15 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 15/07/2025 22:00:00 |
| Lullington Heath Timeseries Graph |
71 (3 Low) | 2 (1 Low) | 0 (1 Low) | 7 (1 Low) | 16 (1 Low) *2 | 15/07/2025 22:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
57 (2 Low) | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Oxford St Ebbes Timeseries Graph |
51 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Portsmouth Timeseries Graph |
57 (2 Low) | 2 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 15/07/2025 22:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 15/07/2025 22:00:00 |
| Reading London Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 15/07/2025 22:00:00 |
| Reading New Town Timeseries Graph |
57 (2 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 15/07/2025 22:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Rochester Stoke Timeseries Graph |
67 (3 Low) | 3 (1 Low) | 2 (1 Low) | 7 (1 Low) | 16 (1 Low) *2 | 15/07/2025 22:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 17 (2 Low) *2 | 15/07/2025 22:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 7 (1 Low) | n/m | 7 (1 Low) | 19 (2 Low) *2 | 15/07/2025 22:00:00 |
| Southampton Centre Timeseries Graph |
52 (2 Low) | 4 (1 Low) | 1 (1 Low) | 8 (1 Low) | 20 (2 Low) *2 | 15/07/2025 22:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 15/07/2025 22:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 8 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 15/07/2025 22:00:00 |
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 |
49 (2 Low) | 3 (1 Low) | 1 (1 Low) | 11 (1 Low) | 17 (2 Low) *1 | 15/07/2025 22:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 15/07/2025 22:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 15/07/2025 19:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
59 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Narberth Timeseries Graph |
54 (2 Low) | 1 (1 Low) | n/a | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| Newport Timeseries Graph |
n/m | 2 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 15/07/2025 22:00:00 |
| Port Talbot Margam Timeseries Graph |
59 (2 Low) | 4 (1 Low) | 1 (1 Low) | 8 (1 Low) | 23 (2 Low) *3 | 15/07/2025 22:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | 6 (1 Low) | 19 (2 Low) *1 | 15/07/2025 22:00:00 |
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 | 7 (1 Low) | 15 (1 Low) *2 | 15/07/2025 22:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Bournemouth Timeseries Graph |
58 (2 Low) | 2 (1 Low) | n/m | 6 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Bristol St Paul's Timeseries Graph |
50 (2 Low) | 2 (1 Low) | n/m | n/a | n/a | 15/07/2025 22:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 4 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| Charlton Mackrell Timeseries Graph |
63 (2 Low) | 2 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 15/07/2025 22:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 15/07/2025 19:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | 7 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Exeter Roadside Timeseries Graph |
57 (2 Low) | 7 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Honiton Timeseries Graph |
n/a | 3 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 15/07/2025 22:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 15 (1 Low) | n/m | 8 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Plymouth Centre Timeseries Graph |
53 (2 Low) | 5 (1 Low) | n/m | 9 (1 Low) | 25 (2 Low) *2 | 15/07/2025 22:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 15/07/2025 21:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 22 (2 Low) *1 | 15/07/2025 22:00:00 |
| Swindon Walcot Timeseries Graph |
44 (2 Low) | 1 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 15/07/2025 22:00:00 |
| Yarner Wood Timeseries Graph |
58 (2 Low) | 1 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
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 |
65 (2 Low) | n/m | n/m | n/m | n/m | 15/07/2025 22:00:00 |
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 |
42 (2 Low) | 12 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| Birmingham Hall Green Timeseries Graph |
59 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Birmingham Ladywood Timeseries Graph |
51 (2 Low) | 6 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
54 (2 Low) | 11 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 4 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Coventry Allesley Timeseries Graph |
47 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Leamington Spa Timeseries Graph |
56 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Leominster Timeseries Graph |
61 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 15/07/2025 22:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
48 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Telford Hollinswood Timeseries Graph |
59 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 15/07/2025 22:00:00 |
| Walsall Woodlands Timeseries Graph |
59 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
54 (2 Low) | n/a | n/m | n/m | n/m | 15/07/2025 22:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
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 |
39 (2 Low) | 4 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 22:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 15/07/2025 21:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
48 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 13 (1 Low) | n/m | 5 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 15/07/2025 22:00:00 |
| High Muffles Timeseries Graph |
33 (1 Low) | 4 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 15/07/2025 22:00:00 |
| Hull Freetown Timeseries Graph |
43 (2 Low) | 17 (1 Low) | 1 (1 Low) | 5 (1 Low) | 13 (1 Low) *2 | 15/07/2025 22:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 15/07/2025 22:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
53 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 15/07/2025 22:00:00 |
| Leeds Centre Timeseries Graph |
43 (2 Low) | 16 (1 Low) | 1 (1 Low) | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *1 | 15/07/2025 22:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 4 (1 Low) | 1 (1 Low) | 5 (1 Low) | 12 (1 Low) *1 | 15/07/2025 22:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 5 (1 Low) | n/m | 15/07/2025 22:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
38 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 15/07/2025 22:00:00 |
| Sheffield Tinsley Timeseries Graph |
40 (2 Low) | 11 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 15/07/2025 22:00:00 |
| York Bootham Timeseries Graph |
35 (2 Low) | 13 (1 Low) | n/m | n/a | n/a | 15/07/2025 22:00:00 |
| York Fishergate Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/a | n/a | 15/07/2025 22:00:00 |
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