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 3am 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 |
52 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 04/07/2025 03:00:00 |
| Bush Estate Timeseries Graph |
55 (2 Low) | 0 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Edinburgh St Leonards Timeseries Graph |
41 (2 Low) | 2 (1 Low) | n/a | 2 (1 Low) | 4 (1 Low) *2 | 04/07/2025 03:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Glasgow Townhead Timeseries Graph |
48 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Grangemouth Timeseries Graph |
n/m | 4 (1 Low) | 2 (1 Low) | 4 (1 Low) | 5 (1 Low) *1 | 04/07/2025 03:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 02:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 1 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
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 |
64 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 4 (1 Low) | n/m | 3 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Derby Stockbrook Park Timeseries Graph |
58 (2 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Ladybower Timeseries Graph |
66 (2 Low) | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Leicester University Timeseries Graph |
58 (2 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Northampton Spring Park Timeseries Graph |
57 (2 Low) | 9 (1 Low) | n/m | 5 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
61 (2 Low) | 4 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 2 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Tallington Timeseries Graph |
66 (2 Low) | n/m | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Toft Newton Timeseries Graph |
54 (2 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
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 | 10 (1 Low) | n/m | n/a | n/a | 04/07/2025 03:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Norwich Lakenfields Timeseries Graph |
57 (2 Low) | 11 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Sibton Timeseries Graph |
60 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Southend-on-Sea Timeseries Graph |
71 (3 Low) | 9 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| St Osyth Timeseries Graph |
81 (3 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 04/07/2025 03:00:00 |
| Thurrock Timeseries Graph |
51 (2 Low) | 63 (1 Low) | 3 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Weybourne Timeseries Graph |
62 (2 Low) | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Wicken Fen Timeseries Graph |
39 (2 Low) | 2 (1 Low) | 1 (1 Low) | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
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) | 15 (1 Low) *1 | 04/07/2025 03:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 29 (2 Low) *1 | 04/07/2025 03:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| London Bexley Timeseries Graph |
n/m | 18 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Bloomsbury Timeseries Graph |
69 (3 Low) | 11 (1 Low) | 2 (1 Low) | 3 (1 Low) | 9 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Haringey Priory Park South Timeseries Graph |
72 (3 Low) | 12 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Harlington Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 03/07/2025 22:00:00 |
| London Hillingdon Timeseries Graph |
65 (2 Low) | 14 (1 Low) | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Honor Oak Park Timeseries Graph |
72 (3 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Marylebone Road Timeseries Graph |
37 (2 Low) | 25 (1 Low) | 3 (1 Low) | 6 (1 Low) | 13 (1 Low) *1 | 04/07/2025 03:00:00 |
| London N. Kensington Timeseries Graph |
72 (3 Low) | 11 (1 Low) | 1 (1 Low) | 2 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Westminster Timeseries Graph |
49 (2 Low) | 9 (1 Low) | n/m | 2 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 04/07/2025 03:00:00 |
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 |
50 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Inverness Timeseries Graph |
n/m | 2 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Lerwick Timeseries Graph |
59 (2 Low) | n/m | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Strathvaich Timeseries Graph |
66 (2 Low) | n/m | n/m | n/m | n/m | 04/07/2025 03:00:00 |
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 |
57 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Kielder Water Timeseries Graph |
48 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Middlesbrough Timeseries Graph |
57 (2 Low) | 3 (1 Low) | 1 (1 Low) | 1 (1 Low) | 6 (1 Low) *1 | 04/07/2025 03:00:00 |
| Newcastle Centre Timeseries Graph |
53 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 04/07/2025 03:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 2 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 3 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *1 | 04/07/2025 03:00:00 |
| Sunderland Silksworth Timeseries Graph |
58 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | n/a | n/m | 3 (1 Low) | n/m | 04/07/2025 03:00:00 |
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 |
44 (2 Low) | 4 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 04/07/2025 03:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
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 |
63 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Wrexham Timeseries Graph |
n/m | 5 (1 Low) | n/a | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
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 | 2 (1 Low) | n/m | 3 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Blackburn Audley Park Timeseries Graph |
50 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Blackpool Marton Timeseries Graph |
62 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 04/07/2025 03:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 1 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 04/07/2025 03:00:00 |
| Crewe Coppenhall Timeseries Graph |
54 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Glazebury Timeseries Graph |
46 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Liverpool Speke Timeseries Graph |
60 (2 Low) | 8 (1 Low) | 1 (1 Low) | 3 (1 Low) | 9 (1 Low) *1 | 04/07/2025 03:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
51 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Manchester Piccadilly Timeseries Graph |
50 (2 Low) | 10 (1 Low) | 1 (1 Low) | n/a | n/a | 04/07/2025 03:00:00 |
| Manchester Sharston Timeseries Graph |
48 (2 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Preston Timeseries Graph |
52 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Salford Eccles Timeseries Graph |
53 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 04/07/2025 03:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | 5 (1 Low) *1 | 04/07/2025 03:00:00 |
| 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 03:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Wigan Centre Timeseries Graph |
54 (2 Low) | 8 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Wirral Tranmere Timeseries Graph |
57 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
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 | 4 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 04/07/2025 03:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 9 (1 Low) | 2 (1 Low) | n/m | n/m | 04/07/2025 03:00:00 |
| Belfast Centre Timeseries Graph |
34 (2 Low) | 2 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 04/07/2025 03:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 04/07/2025 03:00:00 |
| Derry Rosemount Timeseries Graph |
46 (2 Low) | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 9 (1 Low) *1 | 04/07/2025 03:00:00 |
| Lough Navar Timeseries Graph |
41 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
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 | 4 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Eskdalemuir Timeseries Graph |
51 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Peebles Timeseries Graph |
54 (2 Low) | 0 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
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 |
62 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | n/a | n/m | 3 (1 Low) | 13 (1 Low) *1 | 04/07/2025 01:00:00 |
| Chilbolton Observatory Timeseries Graph |
65 (2 Low) | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Eastbourne Timeseries Graph |
71 (3 Low) | 4 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Horley Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/a | n/a | 04/07/2025 03:00:00 |
| Lullington Heath Timeseries Graph |
74 (3 Low) | 2 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
62 (2 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Oxford St Ebbes Timeseries Graph |
59 (2 Low) | 8 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Portsmouth Timeseries Graph |
64 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *2 | 04/07/2025 03:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Reading London Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 04/07/2025 03:00:00 |
| Reading New Town Timeseries Graph |
61 (2 Low) | 8 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Rochester Stoke Timeseries Graph |
69 (3 Low) | 20 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 9 (1 Low) *2 | 04/07/2025 03:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *2 | 04/07/2025 03:00:00 |
| Southampton Centre Timeseries Graph |
61 (2 Low) | 4 (1 Low) | n/a | 3 (1 Low) | 10 (1 Low) *2 | 04/07/2025 03:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 6 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
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) | 11 (1 Low) | 3 (1 Low) | 5 (1 Low) | 11 (1 Low) *1 | 04/07/2025 03:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 04/07/2025 03:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 8 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 04/07/2025 03:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
62 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Narberth Timeseries Graph |
47 (2 Low) | 1 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Newport Timeseries Graph |
n/m | 3 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 04/07/2025 03:00:00 |
| Port Talbot Margam Timeseries Graph |
49 (2 Low) | 4 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *3 | 04/07/2025 03:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *1 | 04/07/2025 03:00:00 |
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 03:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Bournemouth Timeseries Graph |
62 (2 Low) | 2 (1 Low) | n/m | 5 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Bristol St Paul's Timeseries Graph |
53 (2 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *1 | 04/07/2025 03:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Charlton Mackrell Timeseries Graph |
58 (2 Low) | 4 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Exeter Roadside Timeseries Graph |
44 (2 Low) | 22 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Honiton Timeseries Graph |
49 (2 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 27 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Plymouth Centre Timeseries Graph |
47 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *2 | 04/07/2025 03:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 04/07/2025 02:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 10 (1 Low) *1 | 04/07/2025 03:00:00 |
| Swindon Walcot Timeseries Graph |
55 (2 Low) | 1 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Yarner Wood Timeseries Graph |
53 (2 Low) | 1 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 04/07/2025 03:00:00 |
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 03:00:00 |
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 |
45 (2 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *2 | 04/07/2025 03:00:00 |
| Birmingham Hall Green Timeseries Graph |
63 (2 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Birmingham Ladywood Timeseries Graph |
n/a | n/a | n/a | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
59 (2 Low) | 12 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 2 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Coventry Allesley Timeseries Graph |
57 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Leamington Spa Timeseries Graph |
63 (2 Low) | 5 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Leominster Timeseries Graph |
59 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | n/a | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
55 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Telford Hollinswood Timeseries Graph |
65 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| 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 |
57 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 04/07/2025 03:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
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 |
47 (2 Low) | 3 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 04/07/2025 02:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
57 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 10 (1 Low) | n/m | 3 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 04/07/2025 03:00:00 |
| High Muffles Timeseries Graph |
57 (2 Low) | 3 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 04/07/2025 03:00:00 |
| Hull Freetown Timeseries Graph |
56 (2 Low) | 16 (1 Low) | 3 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 04/07/2025 03:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
60 (2 Low) | 7 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Leeds Centre Timeseries Graph |
55 (2 Low) | 8 (1 Low) | n/a | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *1 | 04/07/2025 03:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 7 (1 Low) | 1 (1 Low) | 7 (1 Low) | 10 (1 Low) *1 | 04/07/2025 03:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | 4 (1 Low) | n/m | 04/07/2025 03:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
n/a | 5 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 04/07/2025 03:00:00 |
| Sheffield Tinsley Timeseries Graph |
51 (2 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 04/07/2025 03:00:00 |
| York Bootham Timeseries Graph |
48 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *1 | 04/07/2025 03:00:00 |
| York Fishergate Timeseries Graph |
n/m | 10 (1 Low) | n/m | 2 (1 Low) | 13 (1 Low) *1 | 04/07/2025 03:00:00 |
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