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 7pm Fri 17th Oct 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 |
72 (3 Low) | 4 (1 Low) | n/m | 1 (1 Low) | 2 (1 Low) *2 | 17/10/2025 19:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 04/10/2025 15:00:00 |
| Armagh Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 17/10/2025 19:00:00 |
| Aston Hill Timeseries Graph |
59 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Auchencorth Moss Timeseries Graph |
43 (2 Low) | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 17/10/2025 19:00:00 |
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 | 26 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | n/a | n/a | n/m | n/m | 16/10/2025 24:00: |
| Barnsley Gawber Timeseries Graph |
35 (2 Low) | 22 (1 Low) | 6 (1 Low) | 16 (2 Low) | 24 (2 Low) *2 | 17/10/2025 19:00:00 |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 17/10/2025 19:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Belfast Centre Timeseries Graph |
27 (1 Low) | 29 (1 Low) | 1 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 17/10/2025 19:00:00 |
| Birkenhead Borough Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 18 (2 Low) | n/m | 17/10/2025 19:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
23 (1 Low) | 46 (1 Low) | n/m | 14 (2 Low) | 25 (2 Low) *2 | 17/10/2025 19:00:00 |
| Birmingham Hall Green Timeseries Graph |
23 (1 Low) | 35 (1 Low) | n/m | 13 (2 Low) | 23 (2 Low) *2 | 17/10/2025 19:00:00 |
| Birmingham Ladywood Timeseries Graph |
29 (1 Low) | 36 (1 Low) | 1 (1 Low) | 13 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 20 (2 Low) *2 | 17/10/2025 19:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Blackburn Audley Park Timeseries Graph |
24 (1 Low) | n/m | n/m | 19 (2 Low) | 26 (2 Low) *2 | 17/10/2025 19:00:00 |
| Blackpool Marton Timeseries Graph |
51 (2 Low) | 11 (1 Low) | n/m | 18 (2 Low) | 23 (2 Low) *2 | 17/10/2025 19:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | n/m | 17/10/2025 19:00:00 |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 19 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Bournemouth Timeseries Graph |
61 (2 Low) | 11 (1 Low) | n/m | 8 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | n/m | 17/10/2025 18:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
| Brighton Preston Park Timeseries Graph |
58 (2 Low) | 10 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 17/10/2025 19:00:00 |
| Bristol St Paul's Timeseries Graph |
45 (2 Low) | 21 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 17/10/2025 19:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 30 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 17/10/2025 19:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
37 (2 Low) | 24 (1 Low) | n/m | 14 (2 Low) | 20 (2 Low) *2 | 17/10/2025 19:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 17/10/2025 19:00:00 |
| Bush Estate Timeseries Graph |
40 (2 Low) | 23 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
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 | 32 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Camden Kerbside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *1 | 17/10/2025 19:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 12 (2 Low) | n/m | 17/10/2025 19:00:00 |
| Cardiff Centre Timeseries Graph |
42 (2 Low) | 25 (1 Low) | 1 (1 Low) | 9 (1 Low) | 16 (1 Low) *1 | 17/10/2025 19:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 17/10/2025 19:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 14 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *1 | 17/10/2025 19:00:00 |
| Charlton Mackrell Timeseries Graph |
49 (2 Low) | 11 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 17/10/2025 19:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 3 (1 Low) | 13 (1 Low) *1 | 17/10/2025 19:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | n/a | n/m | 11 (1 Low) | 16 (1 Low) *1 | 17/10/2025 19:00:00 |
| Chesterfield Loundsley Green Timeseries Graph |
31 (1 Low) | 20 (1 Low) | n/m | 16 (2 Low) | 23 (2 Low) *2 | 17/10/2025 19:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 16 (2 Low) | 23 (2 Low) *2 | 17/10/2025 19:00:00 |
| Chilbolton Observatory Timeseries Graph |
59 (2 Low) | 14 (1 Low) | 1 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 8 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Coventry Allesley Timeseries Graph |
35 (2 Low) | 26 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 17/10/2025 19:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | 12 (2 Low) | 17 (2 Low) *2 | 17/10/2025 19:00:00 |
| Crewe Coppenhall Timeseries Graph |
59 (2 Low) | 19 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 17/10/2025 19:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
44 (2 Low) | 16 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
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 | 30 (1 Low) | n/m | 17 (2 Low) | n/m | 17/10/2025 19:00:00 |
| Derby Stockbrook Park Timeseries Graph |
27 (1 Low) | n/m | n/m | 15 (2 Low) | 22 (2 Low) *2 | 17/10/2025 19:00:00 |
| Derry Rosemount Timeseries Graph |
40 (2 Low) | 28 (1 Low) | 7 (1 Low) | 5 (1 Low) | 9 (1 Low) *1 | 17/10/2025 19:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
34 (2 Low) | 25 (1 Low) | n/m | 15 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 39 (1 Low) | n/m | 16 (2 Low) | n/m | 17/10/2025 19:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Dumfries Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
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 | 30 (2 Low) *1 | 17/10/2025 19:00:00 |
| Eastbourne Timeseries Graph |
62 (2 Low) | 9 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 17/10/2025 19:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Edinburgh St Leonards Timeseries Graph |
25 (1 Low) | 15 (1 Low) | 0 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Eskdalemuir Timeseries Graph |
53 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Exeter Roadside Timeseries Graph |
54 (2 Low) | 19 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
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 | 7 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| Fort William Timeseries Graph |
48 (2 Low) | 17 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
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 | 17/10/2025 19:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 28 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 17/10/2025 19:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Glasgow Townhead Timeseries Graph |
36 (2 Low) | 28 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 17/10/2025 19:00:00 |
| Glazebury Timeseries Graph |
37 (2 Low) | 17 (1 Low) | n/m | 14 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 19 (2 Low) *2 | 17/10/2025 19:00:00 |
| Grangemouth Timeseries Graph |
n/m | 13 (1 Low) | 1 (1 Low) | 7 (1 Low) | 10 (1 Low) *1 | 17/10/2025 19:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 17/10/2025 18:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/a | n/a | 17/10/2025 19:00:00 |
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 | 44 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 16 (1 Low) *2 | 17/10/2025 19:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
49 (2 Low) | 19 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 17/10/2025 19:00:00 |
| High Muffles Timeseries Graph |
51 (2 Low) | 3 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Honiton Timeseries Graph |
62 (2 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
| Horley Timeseries Graph |
n/m | 16 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Hull Freetown Timeseries Graph |
39 (2 Low) | 24 (1 Low) | 7 (1 Low) | 17 (2 Low) | 22 (2 Low) *2 | 17/10/2025 19:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | 16 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
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 |
40 (2 Low) | 13 (1 Low) | n/m | 15 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
| Inverness Timeseries Graph |
n/m | 18 (1 Low) | n/m | 1 (1 Low) | 4 (1 Low) *2 | 17/10/2025 19:00:00 |
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 |
47 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2025 19:00:00 |
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 |
35 (2 Low) | 31 (1 Low) | 2 (1 Low) | 17 (2 Low) | 23 (2 Low) *2 | 17/10/2025 19:00:00 |
| Leamington Spa Timeseries Graph |
52 (2 Low) | 21 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 17/10/2025 19:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 17/10/2025 19:00:00 |
| Leeds Centre Timeseries Graph |
37 (2 Low) | 30 (1 Low) | 2 (1 Low) | 14 (2 Low) | 18 (2 Low) *2 | 17/10/2025 19:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 14 (2 Low) | 21 (2 Low) *1 | 17/10/2025 19:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 13 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
| Leicester University Timeseries Graph |
29 (1 Low) | 14 (1 Low) | n/m | 12 (2 Low) | 19 (2 Low) *2 | 17/10/2025 19:00:00 |
| Leominster Timeseries Graph |
38 (2 Low) | 15 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Lerwick Timeseries Graph |
63 (2 Low) | n/m | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Liverpool Speke Timeseries Graph |
56 (2 Low) | 21 (1 Low) | 1 (1 Low) | 15 (2 Low) | 23 (2 Low) *1 | 17/10/2025 19:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
37 (2 Low) | n/m | n/m | 18 (2 Low) | 25 (2 Low) *2 | 17/10/2025 19:00:00 |
| London Bexley Timeseries Graph |
n/m | 20 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Bloomsbury Timeseries Graph |
48 (2 Low) | 18 (1 Low) | 1 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 24 (1 Low) | n/m | 7 (1 Low) | n/m | 17/10/2025 19:00:00 |
| London Haringey Priory Park South Timeseries Graph |
57 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Harlington Timeseries Graph |
50 (2 Low) | 24 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Hillingdon Timeseries Graph |
46 (2 Low) | 21 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Honor Oak Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Marylebone Road Timeseries Graph |
42 (2 Low) | 25 (1 Low) | 1 (1 Low) | 8 (1 Low) | 14 (1 Low) *1 | 17/10/2025 19:00:00 |
| London N. Kensington Timeseries Graph |
61 (2 Low) | 22 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| London Westminster Timeseries Graph |
51 (2 Low) | 20 (1 Low) | n/m | n/a | n/m | 17/10/2025 19:00:00 |
| Lough Navar Timeseries Graph |
40 (2 Low) | n/m | n/m | 12 (2 Low) | 22 (2 Low) *2 | 17/10/2025 19:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 18 (2 Low) *2 | 17/10/2025 19:00:00 |
| Lullington Heath Timeseries Graph |
69 (3 Low) | 4 (1 Low) | 1 (1 Low) | 2 (1 Low) | 4 (1 Low) *2 | 17/10/2025 19:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 65 (1 Low) | n/m | 8 (1 Low) | n/m | 17/10/2025 19:00:00 |
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 |
59 (2 Low) | n/m | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
| Manchester Piccadilly Timeseries Graph |
39 (2 Low) | 36 (1 Low) | 1 (1 Low) | 16 (2 Low) | 21 (2 Low) *2 | 17/10/2025 19:00:00 |
| Manchester Sharston Timeseries Graph |
48 (2 Low) | 30 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 17/10/2025 19:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 25 (2 Low) *2 | 17/10/2025 19:00:00 |
| Middlesbrough Timeseries Graph |
44 (2 Low) | 23 (1 Low) | 1 (1 Low) | 6 (1 Low) | 12 (1 Low) *1 | 17/10/2025 19:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 17/10/2025 19:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
60 (2 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
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 |
68 (3 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 17/10/2025 19:00:00 |
| Newcastle Centre Timeseries Graph |
39 (2 Low) | 34 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *1 | 17/10/2025 19:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Newport Timeseries Graph |
n/m | 26 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 17/10/2025 19:00:00 |
| Northampton Spring Park Timeseries Graph |
58 (2 Low) | 21 (1 Low) | n/m | 10 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Norwich Lakenfields Timeseries Graph |
42 (2 Low) | 22 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 17/10/2025 19:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 22 (2 Low) *2 | 17/10/2025 19:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
35 (2 Low) | 20 (1 Low) | 2 (1 Low) | 17 (2 Low) | 24 (2 Low) *2 | 17/10/2025 19:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 26 (1 Low) | n/m | 15 (2 Low) | 23 (2 Low) *2 | 17/10/2025 19:00:00 |
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 | 52 (1 Low) | n/m | 15 (2 Low) | 24 (2 Low) *2 | 17/10/2025 19:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 20/08/2025 09:00:00 |
| Oxford St Ebbes Timeseries Graph |
53 (2 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
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 |
50 (2 Low) | 8 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 15 (1 Low) *2 | 17/10/2025 19:00:00 |
| Plymouth Centre Timeseries Graph |
60 (2 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *2 | 17/10/2025 19:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 17/10/2025 18:00:00 |
| Port Talbot Margam Timeseries Graph |
66 (2 Low) | 10 (1 Low) | 1 (1 Low) | 3 (1 Low) | 9 (1 Low) *3 | 17/10/2025 19:00:00 |
| Portsmouth Timeseries Graph |
54 (2 Low) | 26 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 17/10/2025 19:00:00 |
| Preston Timeseries Graph |
32 (1 Low) | 28 (1 Low) | n/m | 18 (2 Low) | 24 (2 Low) *2 | 17/10/2025 19:00:00 |
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 | 60 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 17/10/2025 19:00:00 |
| Reading New Town Timeseries Graph |
45 (2 Low) | 31 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Rochester Stoke Timeseries Graph |
80 (3 Low) | 4 (1 Low) | 1 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 17/10/2025 19:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 24 (2 Low) *2 | 17/10/2025 19:00:00 |
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 |
47 (2 Low) | 35 (1 Low) | n/m | 18 (2 Low) | 29 (2 Low) *2 | 17/10/2025 19:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 15 (1 Low) *1 | 17/10/2025 19:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 23 (1 Low) | 1 (1 Low) | 14 (2 Low) | 22 (2 Low) *1 | 17/10/2025 19:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 17 (2 Low) | n/m | 17/10/2025 19:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
23 (1 Low) | 32 (1 Low) | n/m | 18 (2 Low) | 25 (2 Low) *2 | 17/10/2025 19:00:00 |
| Sheffield Tinsley Timeseries Graph |
24 (1 Low) | 24 (1 Low) | n/m | 17 (2 Low) | 25 (2 Low) *2 | 17/10/2025 19:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 17/10/2025 19:00:00 |
| Sibton Timeseries Graph |
42 (2 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 19 (2 Low) *2 | 17/10/2025 19:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 18 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
| Southampton Centre Timeseries Graph |
49 (2 Low) | 28 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2025 19:00:00 |
| Southend-on-Sea Timeseries Graph |
68 (3 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2025 19:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 17/10/2025 19:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 20 (2 Low) *1 | 17/10/2025 19:00:00 |
| St Osyth Timeseries Graph |
71 (3 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2025 19:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *1 | 17/10/2025 19:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | 7 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 39 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *1 | 17/10/2025 19:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 64 (1 Low) | n/m | 13 (2 Low) | 19 (2 Low) *2 | 17/10/2025 19:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
43 (2 Low) | 30 (1 Low) | n/m | 12 (2 Low) | 17 (2 Low) *2 | 17/10/2025 19:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| Strathvaich Timeseries Graph |
71 (3 Low) | n/m | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Sunderland Silksworth Timeseries Graph |
41 (2 Low) | 31 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 17/10/2025 19:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 24 (1 Low) | n/m | 7 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 17/10/2025 19:00:00 |
| Swindon Walcot Timeseries Graph |
46 (2 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
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 |
41 (2 Low) | n/m | n/m | 11 (1 Low) | 16 (1 Low) *2 | 17/10/2025 19:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Telford Hollinswood Timeseries Graph |
49 (2 Low) | 29 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 17/10/2025 19:00:00 |
| Thurrock Timeseries Graph |
61 (2 Low) | 22 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 17/10/2025 19:00:00 |
| Toft Newton Timeseries Graph |
25 (1 Low) | 11 (1 Low) | n/m | 14 (2 Low) | 20 (2 Low) *2 | 17/10/2025 19:00:00 |
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 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 20 (2 Low) *2 | 17/10/2025 19:00:00 |
| Walsall Woodlands Timeseries Graph |
37 (2 Low) | 34 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Warrington Timeseries Graph |
n/m | 28 (1 Low) | n/m | 12 (2 Low) | 20 (2 Low) *1 | 17/10/2025 19:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
32 (1 Low) | 43 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Weybourne Timeseries Graph |
68 (3 Low) | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 17/10/2025 19:00:00 |
| Wicken Fen Timeseries Graph |
36 (2 Low) | 11 (1 Low) | 1 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 17/10/2025 19:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 67 (1 Low) | n/m | n/m | n/m | 17/10/2025 19:00:00 |
| Wigan Centre Timeseries Graph |
26 (1 Low) | 49 (1 Low) | n/m | 19 (2 Low) | 30 (2 Low) *2 | 17/10/2025 19:00:00 |
| Wirral Tranmere Timeseries Graph |
49 (2 Low) | 15 (1 Low) | n/m | 16 (2 Low) | 22 (2 Low) *2 | 17/10/2025 19:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 17/10/2025 19:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 6 (1 Low) | n/m | 17/10/2025 19:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2025 19:00:00 |
| Wrexham Timeseries Graph |
n/m | 43 (1 Low) | 2 (1 Low) | 11 (1 Low) | 18 (2 Low) *2 | 17/10/2025 19:00:00 |
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 |
73 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2025 19:00:00 |
| York Bootham Timeseries Graph |
26 (1 Low) | 17 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *1 | 17/10/2025 19:00:00 |
| York Fishergate Timeseries Graph |
n/m | 47 (1 Low) | n/m | 7 (1 Low) | 21 (2 Low) *1 | 17/10/2025 19:00:00 |
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