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 4am Fri 4th 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 |
50 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 04/07/2025 05:00:00 |
| Bush Estate Timeseries Graph |
55 (2 Low) | 0 (1 Low) | n/m | n/m | n/m | 04/07/2025 05:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Edinburgh St Leonards Timeseries Graph |
40 (2 Low) | 1 (1 Low) | n/a | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 05:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 2 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Glasgow Townhead Timeseries Graph |
48 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 04/07/2025 05:00:00 |
| Grangemouth Timeseries Graph |
n/m | 3 (1 Low) | 1 (1 Low) | 4 (1 Low) | 5 (1 Low) *1 | 04/07/2025 05:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
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 |
62 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 11 (1 Low) | n/m | 3 (1 Low) | n/m | 04/07/2025 05:00:00 |
| Derby Stockbrook Park Timeseries Graph |
55 (2 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Ladybower Timeseries Graph |
63 (2 Low) | 2 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 05:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Leicester University Timeseries Graph |
54 (2 Low) | 9 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Northampton Spring Park Timeseries Graph |
49 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | n/m | 04/07/2025 05:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
58 (2 Low) | 7 (1 Low) | 1 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Tallington Timeseries Graph |
61 (2 Low) | n/m | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Toft Newton Timeseries Graph |
47 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
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 | 21 (1 Low) | n/m | n/a | n/a | 04/07/2025 04:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 04/07/2025 05:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Norwich Lakenfields Timeseries Graph |
52 (2 Low) | 12 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Sibton Timeseries Graph |
54 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 05:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Southend-on-Sea Timeseries Graph |
65 (2 Low) | 8 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| St Osyth Timeseries Graph |
76 (3 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 04/07/2025 04:00:00 |
| Thurrock Timeseries Graph |
39 (2 Low) | 44 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 05:00:00 |
| Weybourne Timeseries Graph |
57 (2 Low) | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Wicken Fen Timeseries Graph |
34 (2 Low) | 4 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
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 | 15 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *1 | 04/07/2025 05:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 29 (2 Low) *1 | 04/07/2025 04:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 04/07/2025 05:00:00 |
| London Bexley Timeseries Graph |
n/m | 11 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 05:00:00 |
| London Bloomsbury Timeseries Graph |
66 (2 Low) | 12 (1 Low) | 3 (1 Low) | 3 (1 Low) | 9 (1 Low) *2 | 04/07/2025 05:00:00 |
| London Haringey Priory Park South Timeseries Graph |
64 (2 Low) | 13 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| London Harlington Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 03/07/2025 22:00:00 |
| London Hillingdon Timeseries Graph |
59 (2 Low) | 17 (1 Low) | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| London Honor Oak Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| London Marylebone Road Timeseries Graph |
36 (2 Low) | 25 (1 Low) | 3 (1 Low) | 6 (1 Low) | 13 (1 Low) *1 | 04/07/2025 05:00:00 |
| London N. Kensington Timeseries Graph |
61 (2 Low) | 15 (1 Low) | 1 (1 Low) | 2 (1 Low) | 9 (1 Low) *2 | 04/07/2025 05:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| London Westminster Timeseries Graph |
45 (2 Low) | 10 (1 Low) | n/m | 2 (1 Low) | n/m | 04/07/2025 05:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 04/07/2025 04:00:00 |
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 |
52 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Inverness Timeseries Graph |
n/m | 2 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 05:00:00 |
| Lerwick Timeseries Graph |
58 (2 Low) | n/m | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Strathvaich Timeseries Graph |
67 (3 Low) | n/m | n/m | n/m | n/m | 04/07/2025 04:00:00 |
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 |
54 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Kielder Water Timeseries Graph |
47 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| Middlesbrough Timeseries Graph |
52 (2 Low) | 3 (1 Low) | 1 (1 Low) | 1 (1 Low) | 7 (1 Low) *1 | 04/07/2025 05:00:00 |
| Newcastle Centre Timeseries Graph |
52 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 04/07/2025 04:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 2 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 2 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *1 | 04/07/2025 04:00:00 |
| Sunderland Silksworth Timeseries Graph |
54 (2 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 05:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | n/a | n/m | 3 (1 Low) | n/m | 04/07/2025 04:00:00 |
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 |
41 (2 Low) | 5 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 04/07/2025 04:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 0 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
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 |
62 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Wrexham Timeseries Graph |
n/m | 6 (1 Low) | n/a | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
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 | 04/07/2025 04:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Blackburn Audley Park Timeseries Graph |
49 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Blackpool Marton Timeseries Graph |
61 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 04/07/2025 05:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 04/07/2025 04:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 2 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 04/07/2025 04:00:00 |
| Crewe Coppenhall Timeseries Graph |
52 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Glazebury Timeseries Graph |
38 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 05:00:00 |
| Liverpool Speke Timeseries Graph |
58 (2 Low) | 4 (1 Low) | 1 (1 Low) | 4 (1 Low) | 10 (1 Low) *1 | 04/07/2025 05:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
49 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Manchester Piccadilly Timeseries Graph |
48 (2 Low) | 10 (1 Low) | 1 (1 Low) | n/a | n/a | 04/07/2025 04:00:00 |
| Manchester Sharston Timeseries Graph |
45 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Preston Timeseries Graph |
50 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| Salford Eccles Timeseries Graph |
50 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 04/07/2025 05:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | 6 (1 Low) *1 | 04/07/2025 05:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 02/07/2025 14:00:00 |
| Warrington Timeseries Graph |
n/m | n/a | n/m | 2 (1 Low) | 8 (1 Low) *1 | 04/07/2025 04:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Wigan Centre Timeseries Graph |
46 (2 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| Wirral Tranmere Timeseries Graph |
55 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
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 | 3 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 04/07/2025 04:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 05:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 8 (1 Low) | 4 (1 Low) | n/m | n/m | 04/07/2025 04:00:00 |
| Belfast Centre Timeseries Graph |
34 (2 Low) | 2 (1 Low) | 1 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 04/07/2025 04:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | n/a | n/m | n/m | 18 (2 Low) *1 | 04/07/2025 04:00:00 |
| Derry Rosemount Timeseries Graph |
47 (2 Low) | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 10 (1 Low) *1 | 04/07/2025 04:00:00 |
| Lough Navar Timeseries Graph |
41 (2 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 04/07/2025 05:00:00 |
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 | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Eskdalemuir Timeseries Graph |
49 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 04/07/2025 05:00:00 |
| Peebles Timeseries Graph |
53 (2 Low) | 0 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
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 |
55 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 05:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 04/07/2025 01:00:00 |
| Chilbolton Observatory Timeseries Graph |
61 (2 Low) | 2 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Eastbourne Timeseries Graph |
68 (3 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Horley Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/a | n/a | 04/07/2025 05:00:00 |
| Lullington Heath Timeseries Graph |
68 (3 Low) | 2 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 05:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
59 (2 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 04/07/2025 05:00:00 |
| Oxford St Ebbes Timeseries Graph |
54 (2 Low) | 5 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| Portsmouth Timeseries Graph |
60 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *2 | 04/07/2025 05:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Reading London Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 04/07/2025 04:00:00 |
| Reading New Town Timeseries Graph |
56 (2 Low) | 7 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 05:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Rochester Stoke Timeseries Graph |
63 (2 Low) | 11 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 9 (1 Low) *2 | 04/07/2025 04:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 23 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *2 | 04/07/2025 04:00:00 |
| Southampton Centre Timeseries Graph |
58 (2 Low) | 4 (1 Low) | n/a | 3 (1 Low) | 10 (1 Low) *2 | 04/07/2025 04:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | n/m | 04/07/2025 05:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
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 |
42 (2 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *1 | 04/07/2025 05:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 04/07/2025 04:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 8 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 04/07/2025 04:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
57 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Narberth Timeseries Graph |
44 (2 Low) | 1 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 05:00:00 |
| Newport Timeseries Graph |
n/m | 7 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 04/07/2025 04:00:00 |
| Port Talbot Margam Timeseries Graph |
39 (2 Low) | 3 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *3 | 04/07/2025 05:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *1 | 04/07/2025 05:00:00 |
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) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Bournemouth Timeseries Graph |
56 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 05:00:00 |
| Bristol St Paul's Timeseries Graph |
48 (2 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 04/07/2025 05:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 8 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 05:00:00 |
| Charlton Mackrell Timeseries Graph |
50 (2 Low) | 4 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 05:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Exeter Roadside Timeseries Graph |
39 (2 Low) | 18 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Honiton Timeseries Graph |
44 (2 Low) | 5 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 27 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Plymouth Centre Timeseries Graph |
39 (2 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 04/07/2025 05:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 10 (1 Low) *1 | 04/07/2025 04:00:00 |
| Swindon Walcot Timeseries Graph |
50 (2 Low) | 1 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Yarner Wood Timeseries Graph |
50 (2 Low) | 1 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 04/07/2025 04:00:00 |
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 | 04/07/2025 04:00:00 |
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 |
44 (2 Low) | 13 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *2 | 04/07/2025 04:00:00 |
| Birmingham Hall Green Timeseries Graph |
61 (2 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| Birmingham Ladywood Timeseries Graph |
n/a | n/a | n/a | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
55 (2 Low) | 12 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 2 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Coventry Allesley Timeseries Graph |
54 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| Leamington Spa Timeseries Graph |
56 (2 Low) | 5 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 05:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Leominster Timeseries Graph |
50 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 04/07/2025 05:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | n/a | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
53 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| Telford Hollinswood Timeseries Graph |
64 (2 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| Walsall Woodlands Timeseries Graph |
n/a | n/a | n/m | n/m | n/m | 30/06/2025 20:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
56 (2 Low) | n/a | n/m | n/m | n/m | 04/07/2025 04:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
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 |
45 (2 Low) | 4 (1 Low) | 1 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 05:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
54 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 11 (1 Low) | n/m | 3 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 04:00:00 |
| High Muffles Timeseries Graph |
55 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 04/07/2025 04:00:00 |
| Hull Freetown Timeseries Graph |
48 (2 Low) | 14 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 04:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
55 (2 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 04:00:00 |
| Leeds Centre Timeseries Graph |
51 (2 Low) | 8 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *1 | 04/07/2025 04:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 04:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 4 (1 Low) | 1 (1 Low) | 7 (1 Low) | 10 (1 Low) *1 | 04/07/2025 05:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 04:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
n/a | 4 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 05:00:00 |
| Sheffield Tinsley Timeseries Graph |
48 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 05:00:00 |
| York Bootham Timeseries Graph |
45 (2 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *1 | 04/07/2025 04:00:00 |
| York Fishergate Timeseries Graph |
n/m | 7 (1 Low) | n/m | 2 (1 Low) | 14 (1 Low) *1 | 04/07/2025 04:00:00 |
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