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 8am Tue 8th Jul 2025
A
| 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 |
59 (2 Low) | 2 (1 Low) | n/m | 9 (1 Low) | 22 (2 Low) *2 | 08/07/2025 08:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Armagh Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 08/07/2025 08:00:00 |
| Aston Hill Timeseries Graph |
66 (2 Low) | n/a | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Auchencorth Moss Timeseries Graph |
47 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
B
| 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 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 08/07/2025 07:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 4 (1 Low) | 2 (1 Low) | n/m | n/m | 08/07/2025 08:00:00 |
| Barnsley Gawber Timeseries Graph |
34 (2 Low) | 6 (1 Low) | 1 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 08/07/2025 08:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Belfast Centre Timeseries Graph |
43 (2 Low) | 7 (1 Low) | n/a | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 08/07/2025 08:00:00 |
| Birkenhead Borough Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | 7 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
54 (2 Low) | 25 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 08/07/2025 08:00:00 |
| Birmingham Hall Green Timeseries Graph |
63 (2 Low) | n/a | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Birmingham Ladywood Timeseries Graph |
n/a | n/a | n/a | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 07:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Blackburn Audley Park Timeseries Graph |
43 (2 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Blackpool Marton Timeseries Graph |
65 (2 Low) | 2 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 08/07/2025 08:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 08/07/2025 07:00:00 |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/a | n/a | 08/07/2025 08:00:00 |
| Bournemouth Timeseries Graph |
58 (2 Low) | 4 (1 Low) | n/m | 6 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 08/07/2025 07:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 07:00:00 |
| Brighton Preston Park Timeseries Graph |
56 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Bristol St Paul's Timeseries Graph |
60 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *1 | 08/07/2025 08:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 21 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
53 (2 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 08/07/2025 08:00:00 |
| Bush Estate Timeseries Graph |
54 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
C
| 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 |
| Cambridge Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 04/07/2025 14:00:00 |
| Camden Kerbside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 9 (1 Low) | 22 (2 Low) *1 | 08/07/2025 08:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 5 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Cardiff Centre Timeseries Graph |
52 (2 Low) | 9 (1 Low) | 1 (1 Low) | 10 (1 Low) | 11 (1 Low) *1 | 08/07/2025 08:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 08/07/2025 08:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 6 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *1 | 08/07/2025 08:00:00 |
| Charlton Mackrell Timeseries Graph |
60 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *1 | 08/07/2025 08:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *1 | 08/07/2025 08:00:00 |
| Chesterfield Loundsley Green Timeseries Graph |
54 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Chilbolton Observatory Timeseries Graph |
61 (2 Low) | 1 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 7 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Coventry Allesley Timeseries Graph |
52 (2 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Crewe Coppenhall Timeseries Graph |
44 (2 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 08/07/2025 08:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
68 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
D
| 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 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 20 (1 Low) | n/m | 4 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Derby Stockbrook Park Timeseries Graph |
51 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Derry Rosemount Timeseries Graph |
45 (2 Low) | 7 (1 Low) | 1 (1 Low) | 2 (1 Low) | 7 (1 Low) *1 | 08/07/2025 08:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
50 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 11 (1 Low) | n/m | 4 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Dumfries Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
E
| 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 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 24 (2 Low) *1 | 08/07/2025 08:00:00 |
| Eastbourne Timeseries Graph |
52 (2 Low) | 3 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 08/07/2025 08:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Edinburgh St Leonards Timeseries Graph |
36 (2 Low) | 11 (1 Low) | 3 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 08/07/2025 08:00:00 |
| Eskdalemuir Timeseries Graph |
40 (2 Low) | 0 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Exeter Roadside Timeseries Graph |
48 (2 Low) | 16 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
F
| 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 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Fort William Timeseries Graph |
25 (1 Low) | 6 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
G
| 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 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 19 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 08/07/2025 08:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Glasgow Townhead Timeseries Graph |
52 (2 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 19 (2 Low) *2 | 08/07/2025 07:00:00 |
| Glazebury Timeseries Graph |
49 (2 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 08/07/2025 08:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Grangemouth Timeseries Graph |
n/m | 7 (1 Low) | 2 (1 Low) | 5 (1 Low) | 13 (1 Low) *1 | 08/07/2025 08:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 08/07/2025 08:00:00 |
H
| 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 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 08/07/2025 06:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 08/07/2025 07:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
47 (2 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 08/07/2025 08:00:00 |
| High Muffles Timeseries Graph |
n/a | 3 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Honiton Timeseries Graph |
43 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Horley Timeseries Graph |
n/m | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Hull Freetown Timeseries Graph |
55 (2 Low) | 4 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
I
| 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 |
| Immingham Woodlands Avenue Timeseries Graph |
47 (2 Low) | 11 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Inverness Timeseries Graph |
n/m | 2 (1 Low) | n/m | 9 (1 Low) | 25 (2 Low) *2 | 08/07/2025 07:00:00 |
K
| 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 |
| Kielder Water Timeseries Graph |
33 (1 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
L
| 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 |
| Ladybower Timeseries Graph |
58 (2 Low) | 1 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Leamington Spa Timeseries Graph |
67 (3 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Leeds Centre Timeseries Graph |
50 (2 Low) | 8 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 08/07/2025 08:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 08/07/2025 08:00:00 |
| Leicester University Timeseries Graph |
48 (2 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Leominster Timeseries Graph |
64 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Lerwick Timeseries Graph |
60 (2 Low) | n/m | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 08/07/2025 06:00:00 |
| Liverpool Speke Timeseries Graph |
66 (2 Low) | 10 (1 Low) | 1 (1 Low) | 7 (1 Low) | 18 (2 Low) *1 | 08/07/2025 08:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
66 (2 Low) | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 08/07/2025 08:00:00 |
| London Bexley Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Bloomsbury Timeseries Graph |
59 (2 Low) | 12 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 17 (1 Low) | n/m | 6 (1 Low) | n/m | 08/07/2025 08:00:00 |
| London Haringey Priory Park South Timeseries Graph |
61 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Harlington Timeseries Graph |
53 (2 Low) | n/a | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Hillingdon Timeseries Graph |
51 (2 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Honor Oak Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Marylebone Road Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 07/07/2025 21:00:00 |
| London N. Kensington Timeseries Graph |
61 (2 Low) | 6 (1 Low) | 56 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| London Westminster Timeseries Graph |
40 (2 Low) | 7 (1 Low) | n/m | 5 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Lough Navar Timeseries Graph |
34 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 08/07/2025 07:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Lullington Heath Timeseries Graph |
55 (2 Low) | 2 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 5 (1 Low) | n/m | 08/07/2025 08:00:00 |
M
| 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 |
39 (2 Low) | n/m | n/m | n/m | n/m | 08/07/2025 07:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 07:00:00 |
| Manchester Piccadilly Timeseries Graph |
49 (2 Low) | 18 (1 Low) | 1 (1 Low) | 6 (1 Low) | 15 (1 Low) *2 | 08/07/2025 08:00:00 |
| Manchester Sharston Timeseries Graph |
40 (2 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 08/07/2025 08:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 08/07/2025 07:00:00 |
| Middlesbrough Timeseries Graph |
39 (2 Low) | 9 (1 Low) | 2 (1 Low) | 3 (1 Low) | 15 (1 Low) *1 | 08/07/2025 08:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 08/07/2025 07:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
58 (2 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
N
| 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 |
| Narberth Timeseries Graph |
59 (2 Low) | 1 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Newcastle Centre Timeseries Graph |
38 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 08/07/2025 08:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Newport Timeseries Graph |
n/m | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Northampton Spring Park Timeseries Graph |
59 (2 Low) | 6 (1 Low) | n/m | 7 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Norwich Lakenfields Timeseries Graph |
46 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 07:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
50 (2 Low) | 10 (1 Low) | 2 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 22 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
O
| 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 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | n/a | n/m | 6 (1 Low) | 13 (1 Low) *2 | 08/07/2025 08:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 08/07/2025 07:00:00 |
| Oxford St Ebbes Timeseries Graph |
52 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
P
| 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 |
| Peebles Timeseries Graph |
45 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 07:00:00 |
| Plymouth Centre Timeseries Graph |
41 (2 Low) | 20 (1 Low) | n/m | 8 (1 Low) | 38 (3 Low) *2 | 08/07/2025 08:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 08/07/2025 07:00:00 |
| Port Talbot Margam Timeseries Graph |
49 (2 Low) | 9 (1 Low) | 1 (1 Low) | 6 (1 Low) | 11 (1 Low) *3 | 08/07/2025 08:00:00 |
| Portsmouth Timeseries Graph |
56 (2 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Preston Timeseries Graph |
46 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 08/07/2025 08:00:00 |
R
| 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 |
| Reading London Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 08/07/2025 08:00:00 |
| Reading New Town Timeseries Graph |
54 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 08/07/2025 07:00:00 |
| Rochester Stoke Timeseries Graph |
64 (2 Low) | 3 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 07:00:00 |
S
| 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 |
| Salford Eccles Timeseries Graph |
48 (2 Low) | 15 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 08/07/2025 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 13 (1 Low) *1 | 08/07/2025 08:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 5 (1 Low) | 1 (1 Low) | 7 (1 Low) | 13 (1 Low) *1 | 08/07/2025 08:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | 4 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
46 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| Sheffield Tinsley Timeseries Graph |
39 (2 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 07:00:00 |
| Sibton Timeseries Graph |
56 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 08/07/2025 07:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 6 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Southampton Centre Timeseries Graph |
58 (2 Low) | 2 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Southend-on-Sea Timeseries Graph |
61 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 08/07/2025 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 08/07/2025 08:00:00 |
| St Osyth Timeseries Graph |
66 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 08/07/2025 08:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *1 | 08/07/2025 08:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | 4 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 4 (1 Low) | n/m | 4 (1 Low) | 17 (2 Low) *1 | 08/07/2025 08:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 08/07/2025 08:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
47 (2 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 08/07/2025 08:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Strathvaich Timeseries Graph |
53 (2 Low) | n/m | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Sunderland Silksworth Timeseries Graph |
38 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 8 (1 Low) | n/m | 4 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 08/07/2025 08:00:00 |
| Swindon Walcot Timeseries Graph |
55 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
T
| 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 |
| Tallington Timeseries Graph |
59 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Telford Hollinswood Timeseries Graph |
66 (2 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Thurrock Timeseries Graph |
66 (2 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Toft Newton Timeseries Graph |
61 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 08/07/2025 08:00:00 |
W
| 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 |
| Walsall Woodlands Timeseries Graph |
n/a | n/a | n/m | n/m | n/m | 30/06/2025 20:00:00 |
| Warrington Timeseries Graph |
n/m | 9 (1 Low) | n/m | 3 (1 Low) | 12 (1 Low) *1 | 08/07/2025 08:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
58 (2 Low) | 6 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Weybourne Timeseries Graph |
65 (2 Low) | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 08/07/2025 08:00:00 |
| Wicken Fen Timeseries Graph |
47 (2 Low) | 3 (1 Low) | 1 (1 Low) | 4 (1 Low) | 10 (1 Low) *2 | 08/07/2025 08:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 08/07/2025 08:00:00 |
| Wigan Centre Timeseries Graph |
49 (2 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 08/07/2025 08:00:00 |
| Wirral Tranmere Timeseries Graph |
66 (2 Low) | 3 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 08/07/2025 08:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 08/07/2025 08:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 6 (1 Low) | n/m | 08/07/2025 08:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 08/07/2025 07:00:00 |
| Wrexham Timeseries Graph |
n/m | 8 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 08/07/2025 08:00:00 |
Y
| 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 |
| Yarner Wood Timeseries Graph |
58 (2 Low) | 1 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 08/07/2025 08:00:00 |
| York Bootham Timeseries Graph |
28 (1 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 11 (1 Low) *1 | 08/07/2025 08:00:00 |
| York Fishergate Timeseries Graph |
n/m | 21 (1 Low) | n/m | 4 (1 Low) | 16 (1 Low) *1 | 08/07/2025 08:00:00 |
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