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 19th Jan 2026
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 |
45 (2 Low) | n/m | n/m | 4 (1 Low) | 5 (1 Low) *2 | 19/01/2026 06:00 |
| Bush Estate Timeseries Graph |
n/a | n/a | n/m | n/m | n/m | 18/01/2026 09:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Edinburgh St Leonards Timeseries Graph |
37 (2 Low) | 13 (1 Low) | 1 (1 Low) | 5 (1 Low) | 6 (1 Low) *2 | 19/01/2026 06:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Glasgow High Street Timeseries Graph |
n/m | 15 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Glasgow Townhead Timeseries Graph |
31 (1 Low) | 11 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 19/01/2026 06:00 |
| Grangemouth Timeseries Graph |
n/m | 16 (1 Low) | 1 (1 Low) | 8 (1 Low) | 9 (1 Low) *1 | 19/01/2026 06:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 19/01/2026 06:00 |
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 |
0 (1 Low) | 24 (1 Low) | n/m | 14 (2 Low) | 15 (1 Low) *2 | 19/01/2026 06:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 14 (2 Low) | 16 (1 Low) *2 | 19/01/2026 06:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 17 (2 Low) | n/m | 19/01/2026 06:00 |
| Derby Stockbrook Park Timeseries Graph |
0 (1 Low) | n/m | n/m | 15 (2 Low) | 17 (2 Low) *2 | 19/01/2026 05:00 |
| Ladybower Timeseries Graph |
9 (1 Low) | 22 (1 Low) | 1 (1 Low) | 5 (1 Low) | 6 (1 Low) *2 | 19/01/2026 06:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 21 (2 Low) | 26 (2 Low) *2 | 19/01/2026 06:00 |
| Leicester University Timeseries Graph |
2 (1 Low) | 23 (1 Low) | n/m | 20 (2 Low) | 23 (2 Low) *2 | 19/01/2026 06:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 25 (2 Low) *2 | 19/01/2026 05:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 18 (2 Low) *2 | 19/01/2026 05:00 |
| Northampton Spring Park Timeseries Graph |
2 (1 Low) | 35 (1 Low) | n/m | 26 (3 Low) | n/m | 19/01/2026 06:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 21 (2 Low) *2 | 19/01/2026 05:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
4 (1 Low) | 26 (1 Low) | 1 (1 Low) | 24 (3 Low) | 29 (2 Low) *2 | 19/01/2026 05:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 28 (1 Low) | n/m | 23 (2 Low) | 27 (2 Low) *2 | 19/01/2026 06:00 |
| Tallington Timeseries Graph |
3 (1 Low) | n/m | n/m | 19 (2 Low) | 23 (2 Low) *2 | 19/01/2026 05:00 |
| Toft Newton Timeseries Graph |
5 (1 Low) | 19 (1 Low) | n/m | 16 (2 Low) | 20 (2 Low) *2 | 19/01/2026 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 | 28 (1 Low) | n/m | 17 (2 Low) | 21 (2 Low) *2 | 19/01/2026 06:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 22 (2 Low) *2 | 19/01/2026 05:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | 19 (2 Low) | n/m | 19/01/2026 06:00 |
| Norwich Lakenfields Timeseries Graph |
5 (1 Low) | 20 (1 Low) | n/m | 18 (2 Low) | 22 (2 Low) *2 | 19/01/2026 05:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 21 (2 Low) *2 | 19/01/2026 05:00 |
| Sibton Timeseries Graph |
6 (1 Low) | n/m | n/m | 15 (2 Low) | 19 (2 Low) *2 | 19/01/2026 06:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 20 (2 Low) *2 | 19/01/2026 05:00 |
| Southend-on-Sea Timeseries Graph |
16 (1 Low) | 22 (1 Low) | n/m | 17 (2 Low) | 23 (2 Low) *2 | 19/01/2026 06:00 |
| St Osyth Timeseries Graph |
16 (1 Low) | 20 (1 Low) | n/m | 15 (2 Low) | 21 (2 Low) *2 | 19/01/2026 06:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 19 (2 Low) | 26 (2 Low) *1 | 19/01/2026 06:00 |
| Thurrock Timeseries Graph |
11 (1 Low) | 23 (1 Low) | 2 (1 Low) | 17 (2 Low) | 22 (2 Low) *2 | 19/01/2026 06:00 |
| Weybourne Timeseries Graph |
7 (1 Low) | n/m | n/m | 16 (2 Low) | 19 (2 Low) *2 | 19/01/2026 06:00 |
| Wicken Fen Timeseries Graph |
10 (1 Low) | 16 (1 Low) | 2 (1 Low) | 15 (2 Low) | 18 (2 Low) *2 | 19/01/2026 06:00 |
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 | 26 (1 Low) | n/m | 20 (2 Low) | 30 (2 Low) *1 | 19/01/2026 06:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 23 (2 Low) *1 | 19/01/2026 05:00 |
| Haringey Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| London Bexley Timeseries Graph |
n/m | n/a | n/m | 17 (2 Low) | 22 (2 Low) *2 | 19/01/2026 06:00 |
| London Bloomsbury Timeseries Graph |
7 (1 Low) | 28 (1 Low) | 2 (1 Low) | 17 (2 Low) | 22 (2 Low) *2 | 19/01/2026 06:00 |
| London Farringdon Street Timeseries Graph |
n/m | 22 (1 Low) | n/m | 20 (2 Low) | n/m | 19/01/2026 05:00 |
| London Haringey Priory Park South Timeseries Graph |
0 (1 Low) | 32 (1 Low) | n/m | 17 (2 Low) | 22 (2 Low) *2 | 19/01/2026 05:00 |
| London Harlington Timeseries Graph |
15 (1 Low) | 19 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 19/01/2026 06:00 |
| London Hillingdon Timeseries Graph |
7 (1 Low) | 35 (1 Low) | n/m | 16 (2 Low) | 21 (2 Low) *2 | 19/01/2026 06:00 |
| London Honor Oak Park Timeseries Graph |
15 (1 Low) | n/m | n/m | 13 (2 Low) | 17 (2 Low) *2 | 19/01/2026 06:00 |
| London Marylebone Road Timeseries Graph |
9 (1 Low) | 24 (1 Low) | 3 (1 Low) | 20 (2 Low) | 26 (2 Low) *1 | 19/01/2026 06:00 |
| London N. Kensington Timeseries Graph |
20 (1 Low) | 21 (1 Low) | 2 (1 Low) | 16 (2 Low) | 20 (2 Low) *2 | 19/01/2026 06:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 17 (2 Low) *2 | 19/01/2026 05:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 17 (2 Low) *2 | 19/01/2026 05:00 |
| London Westminster Timeseries Graph |
8 (1 Low) | 26 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | 32 (2 Low) *1 | 19/01/2026 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 |
32 (1 Low) | 10 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Inverness Timeseries Graph |
n/m | 20 (1 Low) | n/m | 11 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Lerwick Timeseries Graph |
55 (2 Low) | n/m | n/m | n/m | n/m | 19/01/2026 06:00 |
| Strathvaich Timeseries Graph |
53 (2 Low) | n/m | n/m | n/m | n/m | 19/01/2026 06:00 |
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 |
4 (1 Low) | 24 (1 Low) | n/m | 14 (2 Low) | 19 (2 Low) *2 | 19/01/2026 06:00 |
| Kielder Water Timeseries Graph |
17 (1 Low) | n/m | n/m | 7 (1 Low) | 8 (1 Low) *2 | 19/01/2026 05:00 |
| Middlesbrough Timeseries Graph |
7 (1 Low) | 28 (1 Low) | 2 (1 Low) | 9 (1 Low) | 16 (1 Low) *1 | 19/01/2026 06:00 |
| Newcastle Centre Timeseries Graph |
7 (1 Low) | 27 (1 Low) | n/m | 14 (2 Low) | 16 (1 Low) *1 | 19/01/2026 06:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 19/01/2026 06:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 15 (2 Low) | n/m | 19/01/2026 06:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 22 (1 Low) | n/m | 17 (2 Low) | 19 (2 Low) *1 | 19/01/2026 06:00 |
| Sunderland Silksworth Timeseries Graph |
7 (1 Low) | 21 (1 Low) | n/m | 12 (2 Low) | 14 (1 Low) *2 | 19/01/2026 06:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 22 (1 Low) | n/m | 14 (2 Low) | n/m | 19/01/2026 06:00 |
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 |
34 (2 Low) | 8 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 19/01/2026 06:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 19/01/2026 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 |
31 (1 Low) | 3 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Wrexham Timeseries Graph |
n/m | 22 (1 Low) | 2 (1 Low) | 11 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
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 | 20 (1 Low) | n/m | 13 (2 Low) | n/m | 19/01/2026 06:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Blackburn Audley Park Timeseries Graph |
11 (1 Low) | n/m | n/m | 9 (1 Low) | 11 (1 Low) *2 | 19/01/2026 05:00 |
| Blackpool Marton Timeseries Graph |
6 (1 Low) | 21 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 19/01/2026 06:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 19/01/2026 05:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/a | 19/01/2026 06:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 23 (1 Low) | n/m | 10 (1 Low) | 11 (1 Low) *1 | 19/01/2026 06:00 |
| Crewe Coppenhall Timeseries Graph |
0 (1 Low) | 19 (1 Low) | n/m | 11 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Glazebury Timeseries Graph |
4 (1 Low) | 19 (1 Low) | n/m | 10 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Liverpool Speke Timeseries Graph |
13 (1 Low) | 13 (1 Low) | 2 (1 Low) | 11 (1 Low) | 13 (1 Low) *1 | 19/01/2026 06:00 |
| Liverpool Thirlmere Park Timeseries Graph |
7 (1 Low) | n/m | n/m | 12 (2 Low) | 14 (1 Low) *2 | 19/01/2026 05:00 |
| Manchester Piccadilly Timeseries Graph |
0 (1 Low) | 27 (1 Low) | 1 (1 Low) | 10 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Manchester Sharston Timeseries Graph |
1 (1 Low) | 20 (1 Low) | n/m | 10 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 19/01/2026 05:00 |
| Preston Timeseries Graph |
8 (1 Low) | 18 (1 Low) | n/m | 10 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Salford Eccles Timeseries Graph |
2 (1 Low) | 30 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 19/01/2026 06:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 12 (1 Low) *1 | 19/01/2026 06:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 14/01/2026 14:00 |
| Warrington Timeseries Graph |
n/m | 20 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *1 | 19/01/2026 06:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Wigan Centre Timeseries Graph |
2 (1 Low) | 25 (1 Low) | n/m | 12 (2 Low) | 14 (1 Low) *2 | 19/01/2026 06:00 |
| Wirral Tranmere Timeseries Graph |
7 (1 Low) | 20 (1 Low) | n/m | 12 (2 Low) | 14 (1 Low) *2 | 19/01/2026 06:00 |
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 | 15 (1 Low) | n/m | n/m | 9 (1 Low) *1 | 19/01/2026 05:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 6 (1 Low) | 1 (1 Low) | n/m | n/m | 19/01/2026 06:00 |
| Belfast Centre Timeseries Graph |
25 (1 Low) | 12 (1 Low) | 2 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 19/01/2026 06:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | n/a | n/m | n/m | 17 (2 Low) *1 | 19/01/2026 05:00 |
| Derry Rosemount Timeseries Graph |
62 (2 Low) | 2 (1 Low) | n/a | 3 (1 Low) | 6 (1 Low) *1 | 19/01/2026 06:00 |
| Lough Navar Timeseries Graph |
53 (2 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 19/01/2026 06:00 |
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 | 13 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Eskdalemuir Timeseries Graph |
33 (1 Low) | 5 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Peebles Timeseries Graph |
36 (2 Low) | 4 (1 Low) | n/m | n/m | n/m | 19/01/2026 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 |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | n/m | 19/01/2026 05:00 |
| Brighton Preston Park Timeseries Graph |
23 (1 Low) | 12 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 19/01/2026 06:00 |
| Chatham Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 15 (2 Low) | 24 (2 Low) *1 | 19/01/2026 05:00 |
| Chilbolton Observatory Timeseries Graph |
24 (1 Low) | 10 (1 Low) | 1 (1 Low) | 12 (2 Low) | 14 (1 Low) *2 | 19/01/2026 06:00 |
| Eastbourne Timeseries Graph |
19 (1 Low) | 15 (1 Low) | n/m | 12 (2 Low) | 17 (2 Low) *2 | 19/01/2026 05:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 20 (2 Low) *2 | 19/01/2026 05:00 |
| Horley Timeseries Graph |
n/m | 12 (1 Low) | n/m | 15 (2 Low) | 19 (2 Low) *2 | 19/01/2026 06:00 |
| Lullington Heath Timeseries Graph |
33 (1 Low) | 8 (1 Low) | 2 (1 Low) | 10 (1 Low) | 13 (1 Low) *2 | 19/01/2026 06:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 20 (2 Low) *2 | 19/01/2026 05:00 |
| Milton Keynes Civic Centre Timeseries Graph |
1 (1 Low) | n/m | n/m | 15 (2 Low) | 19 (2 Low) *2 | 19/01/2026 05:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 20/08/2025 08:00 |
| Oxford St Ebbes Timeseries Graph |
4 (1 Low) | 16 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 19/01/2026 06:00 |
| Portsmouth Timeseries Graph |
18 (1 Low) | 21 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 19/01/2026 06:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | n/a | n/m | 13 (2 Low) | 18 (2 Low) *2 | 19/01/2026 06:00 |
| Reading London Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | 27 (2 Low) *1 | 19/01/2026 06:00 |
| Reading New Town Timeseries Graph |
5 (1 Low) | 21 (1 Low) | n/m | 19 (2 Low) | 24 (2 Low) *2 | 19/01/2026 06:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | n/m | 19/01/2026 05:00 |
| Rochester Stoke Timeseries Graph |
20 (1 Low) | 20 (1 Low) | 2 (1 Low) | 17 (2 Low) | 22 (2 Low) *2 | 19/01/2026 06:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 23 (2 Low) *2 | 19/01/2026 05:00 |
| Southampton A33 Timeseries Graph |
n/m | 45 (1 Low) | n/m | 13 (2 Low) | 19 (2 Low) *2 | 19/01/2026 06:00 |
| Southampton Centre Timeseries Graph |
10 (1 Low) | 25 (1 Low) | 1 (1 Low) | 15 (2 Low) | 21 (2 Low) *2 | 19/01/2026 06:00 |
| Storrington Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 19/01/2026 05:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 15 (2 Low) | n/m | 19/01/2026 06:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 20 (2 Low) *2 | 19/01/2026 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 |
8 (1 Low) | 23 (1 Low) | 2 (1 Low) | 13 (2 Low) | 13 (1 Low) *1 | 19/01/2026 06:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 19/01/2026 06:00 |
| Chepstow A48 Timeseries Graph |
n/m | n/a | n/m | 14 (2 Low) | 16 (1 Low) *1 | 19/01/2026 06:00 |
| Cwmbran Crownbridge Timeseries Graph |
19 (1 Low) | 10 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 19/01/2026 03:00 |
| Narberth Timeseries Graph |
37 (2 Low) | 7 (1 Low) | 1 (1 Low) | 9 (1 Low) | 11 (1 Low) *2 | 19/01/2026 06:00 |
| Newport Timeseries Graph |
n/m | 14 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 19/01/2026 06:00 |
| Port Talbot Margam Timeseries Graph |
3 (1 Low) | 20 (1 Low) | 1 (1 Low) | 9 (1 Low) | 11 (1 Low) *3 | 19/01/2026 06:00 |
| Swansea Roadside Timeseries Graph |
n/m | 23 (1 Low) | n/m | 11 (1 Low) | 12 (1 Low) *1 | 19/01/2026 06:00 |
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 | 10 (1 Low) | 12 (1 Low) *2 | 19/01/2026 06:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Bournemouth Timeseries Graph |
20 (1 Low) | 13 (1 Low) | n/m | 15 (2 Low) | n/m | 19/01/2026 06:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 11 (1 Low) *2 | 19/01/2026 05:00 |
| Bristol St Paul's Timeseries Graph |
0 (1 Low) | 29 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *1 | 19/01/2026 06:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 24 (1 Low) | n/m | 12 (2 Low) | 14 (1 Low) *2 | 19/01/2026 06:00 |
| Charlton Mackrell Timeseries Graph |
4 (1 Low) | 13 (1 Low) | n/m | 9 (1 Low) | 11 (1 Low) *2 | 19/01/2026 06:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 19/01/2026 05:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | 13 (2 Low) | n/m | 19/01/2026 06:00 |
| Exeter Roadside Timeseries Graph |
6 (1 Low) | 24 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 15 (1 Low) *2 | 19/01/2026 05:00 |
| Honiton Timeseries Graph |
23 (1 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 19/01/2026 05:00 |
| Plymouth Centre Timeseries Graph |
5 (1 Low) | 17 (1 Low) | n/m | 14 (2 Low) | 16 (1 Low) *2 | 19/01/2026 06:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 14/01/2026 17:00 |
| Swindon Walcot Timeseries Graph |
20 (1 Low) | 13 (1 Low) | n/m | 15 (2 Low) | 18 (2 Low) *2 | 19/01/2026 06:00 |
| Yarner Wood Timeseries Graph |
28 (1 Low) | 2 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 19/01/2026 06:00 |
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 |
80 (3 Low) | n/m | n/m | n/m | n/m | 19/01/2026 06:00 |
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 |
2 (1 Low) | 37 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 19/01/2026 06:00 |
| Birmingham Hall Green Timeseries Graph |
5 (1 Low) | 29 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 19/01/2026 05:00 |
| Birmingham Ladywood Timeseries Graph |
2 (1 Low) | 20 (1 Low) | 1 (1 Low) | 12 (2 Low) | 13 (1 Low) *2 | 19/01/2026 06:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 15 (1 Low) *2 | 19/01/2026 05:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
0 (1 Low) | 29 (1 Low) | n/m | 16 (2 Low) | 18 (2 Low) *2 | 19/01/2026 06:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 9 (1 Low) | n/m | 19/01/2026 06:00 |
| Coventry Allesley Timeseries Graph |
1 (1 Low) | 32 (1 Low) | n/m | 19 (2 Low) | 22 (2 Low) *2 | 19/01/2026 06:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | 19 (2 Low) | 23 (2 Low) *2 | 19/01/2026 06:00 |
| Leamington Spa Timeseries Graph |
5 (1 Low) | 28 (1 Low) | n/m | n/a | n/a | 19/01/2026 06:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | 19 (2 Low) | 22 (2 Low) *2 | 19/01/2026 05:00 |
| Leominster Timeseries Graph |
7 (1 Low) | 11 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 19/01/2026 05:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 12 (1 Low) *2 | 19/01/2026 05:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 19/01/2026 06:00 |
| Stoke-on-Trent Centre Timeseries Graph |
3 (1 Low) | 30 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 19/01/2026 06:00 |
| Telford Hollinswood Timeseries Graph |
4 (1 Low) | 15 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 19/01/2026 06:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 13 (1 Low) *2 | 19/01/2026 05:00 |
| Walsall Woodlands Timeseries Graph |
1 (1 Low) | 33 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| West Bromwich Kenrick Park Timeseries Graph |
3 (1 Low) | 26 (1 Low) | n/m | n/m | n/m | 19/01/2026 06:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 14 (1 Low) *2 | 19/01/2026 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 |
0 (1 Low) | 23 (1 Low) | 2 (1 Low) | 15 (2 Low) | 17 (2 Low) *2 | 19/01/2026 06:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 19/01/2026 05:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 15 (1 Low) *2 | 19/01/2026 05:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
1 (1 Low) | 29 (1 Low) | n/m | 16 (2 Low) | 18 (2 Low) *2 | 19/01/2026 06:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 31 (1 Low) | n/m | 21 (2 Low) | n/m | 19/01/2026 06:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 14 (1 Low) *2 | 19/01/2026 05:00 |
| High Muffles Timeseries Graph |
8 (1 Low) | 21 (1 Low) | n/m | 8 (1 Low) | 8 (1 Low) *2 | 19/01/2026 06:00 |
| Hull Freetown Timeseries Graph |
1 (1 Low) | 52 (1 Low) | 1 (1 Low) | 23 (2 Low) | 29 (2 Low) *2 | 19/01/2026 06:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 21 (2 Low) | 27 (2 Low) *2 | 19/01/2026 06:00 |
| Immingham Woodlands Avenue Timeseries Graph |
4 (1 Low) | 38 (1 Low) | n/m | 21 (2 Low) | 26 (2 Low) *2 | 19/01/2026 06:00 |
| Leeds Centre Timeseries Graph |
1 (1 Low) | 26 (1 Low) | 2 (1 Low) | 16 (2 Low) | 18 (2 Low) *2 | 19/01/2026 06:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 18 (2 Low) | 19 (2 Low) *1 | 19/01/2026 06:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 21 (2 Low) *2 | 19/01/2026 05:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 37 (1 Low) | 2 (1 Low) | 21 (2 Low) | 28 (2 Low) *1 | 19/01/2026 06:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | 15 (2 Low) | n/m | 19/01/2026 06:00 |
| Sheffield Devonshire Green Timeseries Graph |
0 (1 Low) | 26 (1 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 19/01/2026 06:00 |
| Sheffield Tinsley Timeseries Graph |
1 (1 Low) | 27 (1 Low) | n/m | 15 (2 Low) | 17 (2 Low) *2 | 19/01/2026 06:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 20 (2 Low) *2 | 19/01/2026 05:00 |
| York Bootham Timeseries Graph |
1 (1 Low) | 20 (1 Low) | n/m | 17 (2 Low) | 22 (2 Low) *1 | 19/01/2026 06:00 |
| York Fishergate Timeseries Graph |
n/m | 23 (1 Low) | n/m | 16 (2 Low) | 22 (2 Low) *1 | 19/01/2026 06:00 |
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