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 5am Mon 24th Feb 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 |
78 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Bush Estate Timeseries Graph |
82 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 0 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Edinburgh St Leonards Timeseries Graph |
82 (3 Low) | 0 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Glasgow High Street Timeseries Graph |
n/m | 3 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 24/02/2025 05:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Glasgow Townhead Timeseries Graph |
82 (3 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 24/02/2025 05:00 |
| Grangemouth Timeseries Graph |
n/m | 2 (1 Low) | 2 (1 Low) | n/a | 7 (1 Low) *1 | 24/02/2025 05:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 24/02/2025 04:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 1 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 24/02/2025 05:00 |
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 |
89 (3 Low) | 1 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | n/a | n/m | 3 (1 Low) | n/m | 24/02/2025 05:00 |
| Derby Stockbrook Park Timeseries Graph |
75 (3 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Ladybower Timeseries Graph |
98 (3 Low) | 0 (1 Low) | 1 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Leicester University Timeseries Graph |
83 (3 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Northampton Spring Park Timeseries Graph |
0 (1 Low) | 3 (1 Low) | n/m | 5 (1 Low) | n/m | 24/02/2025 05:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
78 (3 Low) | 6 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 2 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Tallington Timeseries Graph |
82 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Toft Newton Timeseries Graph |
86 (3 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
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 | 4 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Cambridge Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 23/02/2025 08:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 4 (1 Low) | n/m | 24/02/2025 05:00 |
| Norwich Lakenfields Timeseries Graph |
68 (3 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Sibton Timeseries Graph |
66 (2 Low) | n/m | n/m | 6 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| Southend-on-Sea Timeseries Graph |
69 (3 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| St Osyth Timeseries Graph |
77 (3 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 24/02/2025 05:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *1 | 24/02/2025 05:00 |
| Thurrock Timeseries Graph |
72 (3 Low) | 3 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Weybourne Timeseries Graph |
n/a | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Wicken Fen Timeseries Graph |
61 (2 Low) | 5 (1 Low) | 3 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
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 | 4 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 24/02/2025 05:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 11 (1 Low) *1 | 24/02/2025 05:00 |
| Haringey Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| London Bexley Timeseries Graph |
n/m | 2 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| London Bloomsbury Timeseries Graph |
70 (3 Low) | 3 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 24/02/2025 05:00 |
| London Haringey Priory Park South Timeseries Graph |
n/a | 0 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| London Harlington Timeseries Graph |
n/a | 5 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 24/02/2025 05:00 |
| London Hillingdon Timeseries Graph |
64 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| London Honor Oak Park Timeseries Graph |
71 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| London Marylebone Road Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 21/02/2025 23:00 |
| London N. Kensington Timeseries Graph |
75 (3 Low) | 1 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| London Westminster Timeseries Graph |
64 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | n/m | 24/02/2025 05:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 0 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 24/02/2025 05:00 |
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 |
82 (3 Low) | 0 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Inverness Timeseries Graph |
n/m | 0 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Lerwick Timeseries Graph |
79 (3 Low) | n/m | n/m | n/m | n/m | 24/02/2025 05:00 |
| Strathvaich Timeseries Graph |
89 (3 Low) | n/m | n/m | n/m | n/m | 24/02/2025 05:00 |
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 |
80 (3 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Kielder Water Timeseries Graph |
76 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| Middlesbrough Timeseries Graph |
83 (3 Low) | 1 (1 Low) | 2 (1 Low) | 2 (1 Low) | 7 (1 Low) *1 | 24/02/2025 05:00 |
| Newcastle Centre Timeseries Graph |
81 (3 Low) | 2 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 24/02/2025 05:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 0 (1 Low) | n/m | 0 (1 Low) | n/m | 24/02/2025 05:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 1 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *1 | 24/02/2025 05:00 |
| Sunderland Silksworth Timeseries Graph |
81 (3 Low) | 0 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 1 (1 Low) | n/m | 4 (1 Low) | n/m | 24/02/2025 05:00 |
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 |
77 (3 Low) | 1 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 24/02/2025 05:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
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 |
n/a | n/a | n/m | n/m | n/m | 11/02/2025 15:00 |
| Wrexham Timeseries Graph |
n/m | 4 (1 Low) | 1 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
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 | 24/02/2025 05:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Blackburn Audley Park Timeseries Graph |
n/a | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Blackpool Marton Timeseries Graph |
84 (3 Low) | 1 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 24/02/2025 05:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 24/02/2025 05:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | 8 (1 Low) *1 | 24/02/2025 05:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 1 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *1 | 24/02/2025 05:00 |
| Crewe Coppenhall Timeseries Graph |
91 (3 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Glazebury Timeseries Graph |
85 (3 Low) | 0 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Liverpool Speke Timeseries Graph |
72 (3 Low) | 4 (1 Low) | 2 (1 Low) | 5 (1 Low) | 7 (1 Low) *1 | 24/02/2025 05:00 |
| Manchester Piccadilly Timeseries Graph |
75 (3 Low) | 9 (1 Low) | n/a | 3 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Manchester Sharston Timeseries Graph |
79 (3 Low) | 0 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 24/02/2025 05:00 |
| Preston Timeseries Graph |
76 (3 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Salford Eccles Timeseries Graph |
92 (3 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 24/02/2025 05:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| St Helens Linkway Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | 5 (1 Low) *1 | 24/02/2025 05:00 |
| Warrington Timeseries Graph |
n/m | 43 (1 Low) | n/m | 2 (1 Low) | 8 (1 Low) *1 | 24/02/2025 05:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Wigan Centre Timeseries Graph |
83 (3 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Wirral Tranmere Timeseries Graph |
80 (3 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
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 | 10 (1 Low) | n/m | n/m | n/a | 24/02/2025 05:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 1 (1 Low) | 1 (1 Low) | n/m | n/m | 24/02/2025 05:00 |
| Belfast Centre Timeseries Graph |
64 (2 Low) | 8 (1 Low) | 1 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 24/02/2025 05:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 24/02/2025 05:00 |
| Derry Rosemount Timeseries Graph |
79 (3 Low) | 1 (1 Low) | 2 (1 Low) | 8 (1 Low) | 13 (1 Low) *1 | 24/02/2025 05:00 |
| Lough Navar Timeseries Graph |
69 (3 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 24/02/2025 05:00 |
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 | 1 (1 Low) | n/m | n/m | n/m | 24/02/2025 04:00 |
| Eskdalemuir Timeseries Graph |
82 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Peebles Timeseries Graph |
86 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
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 |
61 (2 Low) | 5 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 24/02/2025 05:00 |
| Chatham Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 23/02/2025 09:00 |
| Chilbolton Observatory Timeseries Graph |
84 (3 Low) | 2 (1 Low) | 1 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Eastbourne Timeseries Graph |
71 (3 Low) | n/a | n/m | 6 (1 Low) | 11 (1 Low) *2 | 24/02/2025 05:00 |
| Horley Timeseries Graph |
n/m | 0 (1 Low) | n/m | n/a | n/a | 24/02/2025 05:00 |
| Lullington Heath Timeseries Graph |
84 (3 Low) | 2 (1 Low) | 1 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 24/02/2025 05:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 24/02/2025 05:00 |
| Milton Keynes Civic Centre Timeseries Graph |
85 (3 Low) | n/m | n/m | n/a | n/a | 24/02/2025 05:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Oxford St Ebbes Timeseries Graph |
84 (3 Low) | 0 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Portsmouth Timeseries Graph |
74 (3 Low) | 2 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 24/02/2025 05:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 24/02/2025 05:00 |
| Reading London Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 24/02/2025 05:00 |
| Reading New Town Timeseries Graph |
65 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 24/02/2025 05:00 |
| Rochester Stoke Timeseries Graph |
73 (3 Low) | 4 (1 Low) | 2 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 24/02/2025 05:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Southampton A33 Timeseries Graph |
n/m | 5 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 24/02/2025 05:00 |
| Southampton Centre Timeseries Graph |
74 (3 Low) | 4 (1 Low) | 1 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 24/02/2025 05:00 |
| Storrington Roadside Timeseries Graph |
n/m | 0 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 24/02/2025 05:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 0 (1 Low) | n/m | 9 (1 Low) | n/m | 24/02/2025 05:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 28 (2 Low) *2 | 24/02/2025 05:00 |
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 |
80 (3 Low) | 7 (1 Low) | 2 (1 Low) | 5 (1 Low) | 7 (1 Low) *1 | 24/02/2025 05:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 24/02/2025 05:00 |
| Chepstow A48 Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *1 | 24/02/2025 05:00 |
| Cwmbran Crownbridge Timeseries Graph |
89 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 14/02/2025 20:00 |
| Narberth Timeseries Graph |
91 (3 Low) | 0 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 24/02/2025 05:00 |
| Newport Timeseries Graph |
n/m | 6 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 24/02/2025 05:00 |
| Port Talbot Margam Timeseries Graph |
86 (3 Low) | 4 (1 Low) | 1 (1 Low) | 4 (1 Low) | 19 (2 Low) *3 | 24/02/2025 05:00 |
| Swansea Roadside Timeseries Graph |
n/m | 1 (1 Low) | n/m | 5 (1 Low) | 19 (2 Low) *1 | 24/02/2025 05:00 |
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) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Bournemouth Timeseries Graph |
83 (3 Low) | 3 (1 Low) | n/m | 10 (1 Low) | n/m | 24/02/2025 05:00 |
| Bristol St Paul's Timeseries Graph |
83 (3 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 11 (1 Low) *1 | 24/02/2025 05:00 |
| Bristol Temple Way Timeseries Graph |
n/m | n/a | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Charlton Mackrell Timeseries Graph |
85 (3 Low) | 1 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | 10 (1 Low) | n/m | 24/02/2025 05:00 |
| Exeter Roadside Timeseries Graph |
84 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Honiton Timeseries Graph |
90 (3 Low) | 0 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Plymouth Centre Timeseries Graph |
87 (3 Low) | 1 (1 Low) | n/m | 12 (2 Low) | 28 (2 Low) *2 | 24/02/2025 05:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 24/02/2025 04:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 1 (1 Low) | 20 (2 Low) *1 | 24/02/2025 05:00 |
| Swindon Walcot Timeseries Graph |
89 (3 Low) | 0 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Yarner Wood Timeseries Graph |
93 (3 Low) | 0 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
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 |
96 (3 Low) | n/m | n/m | n/m | n/m | 24/02/2025 05:00 |
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 |
75 (3 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Birmingham Ladywood Timeseries Graph |
85 (3 Low) | 7 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
81 (3 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 0 (1 Low) | n/m | 3 (1 Low) | n/m | 24/02/2025 05:00 |
| Coventry Allesley Timeseries Graph |
77 (3 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Leamington Spa Timeseries Graph |
89 (3 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Leominster Timeseries Graph |
88 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 03/02/2025 05:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Stoke-on-Trent Centre Timeseries Graph |
78 (3 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Telford Hollinswood Timeseries Graph |
94 (3 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Walsall Woodlands Timeseries Graph |
87 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
| West Bromwich Kenrick Park Timeseries Graph |
86 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 24/02/2025 05:00 |
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 |
84 (3 Low) | 8 (1 Low) | 3 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 24/02/2025 04:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
88 (3 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 5 (1 Low) | n/m | 4 (1 Low) | n/m | 24/02/2025 05:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| High Muffles Timeseries Graph |
81 (3 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Hull Freetown Timeseries Graph |
71 (3 Low) | 17 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 24/02/2025 05:00 |
| Immingham Woodlands Avenue Timeseries Graph |
81 (3 Low) | 1 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Leeds Centre Timeseries Graph |
87 (3 Low) | 3 (1 Low) | 1 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 24/02/2025 05:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 0 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *1 | 24/02/2025 05:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/02/2025 05:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 4 (1 Low) | 1 (1 Low) | n/m | n/a | 24/02/2025 05:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | 3 (1 Low) | n/m | 24/02/2025 05:00 |
| Sheffield Devonshire Green Timeseries Graph |
75 (3 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 24/02/2025 05:00 |
| Sheffield Tinsley Timeseries Graph |
80 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 24/02/2025 05:00 |
| York Bootham Timeseries Graph |
75 (3 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *1 | 24/02/2025 05:00 |
| York Fishergate Timeseries Graph |
n/m | 3 (1 Low) | n/m | 2 (1 Low) | 12 (1 Low) *1 | 24/02/2025 05:00 |
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