24 Hour Summary, based on data provided by 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
- Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to 8am Thu 11th Dec 2025
A
| 24 Hour Summary, based on data provided by 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 |
75 (3 Low) | 15 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 11/12/2025 08:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 10/12/2025 16:00 |
| Armagh Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | 27 (2 Low) *1 | 10/12/2025 16:00 |
| Aston Hill Timeseries Graph |
78 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
| Auchencorth Moss Timeseries Graph |
74 (3 Low) | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 11/12/2025 08:00 |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 10/12/2025 24:00 |
B
| 24 Hour Summary, based on data provided by 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 | 10/12/2025 17:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 12 (1 Low) | 7 (1 Low) | n/m | n/m | 11/12/2025 02:15 |
| Barnsley Gawber Timeseries Graph |
73 (3 Low) | 10 (1 Low) | 7 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 10/12/2025 10:00 |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Belfast Centre Timeseries Graph |
69 (3 Low) | 36 (1 Low) | 1 (1 Low) | 12 (2 Low) | 22 (2 Low) *2 | 11/12/2025 01:30 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | 29 (2 Low) *1 | 10/12/2025 18:00 |
| Birkenhead Borough Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | 9 (1 Low) | n/m | 11/12/2025 04:00 |
| Birmingham A4540 Roadside Timeseries Graph |
58 (2 Low) | 42 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 08:00 |
| Birmingham Hall Green Timeseries Graph |
73 (3 Low) | 12 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 11/12/2025 08:00 |
| Birmingham Ladywood Timeseries Graph |
75 (3 Low) | 16 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 13:45 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 08:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Blackburn Audley Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
| Blackpool Marton Timeseries Graph |
75 (3 Low) | 16 (1 Low) | n/m | 13 (2 Low) | 29 (2 Low) *2 | 11/12/2025 02:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | n/m | 11/12/2025 01:00 |
| Borehamwood Meadow Park Timeseries Graph |
n/m | n/a | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 04:00 |
| Bournemouth Timeseries Graph |
69 (3 Low) | 24 (1 Low) | n/m | 10 (1 Low) | n/m | 10/12/2025 24:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 10/12/2025 21:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 11/12/2025 07:00 |
| Brighton Preston Park Timeseries Graph |
68 (3 Low) | 21 (1 Low) | n/m | 13 (2 Low) | 26 (2 Low) *2 | 10/12/2025 24:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 11/12/2025 08:00 |
| Bristol St Paul's Timeseries Graph |
64 (2 Low) | 42 (1 Low) | n/m | 8 (1 Low) | 25 (2 Low) *1 | 11/12/2025 05:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 55 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 11/12/2025 08:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
65 (2 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 10/12/2025 19:00 |
| Bush Estate Timeseries Graph |
83 (3 Low) | n/a | n/m | n/m | n/m | 10/12/2025 01:00 |
C
| 24 Hour Summary, based on data provided by 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 King's Hedges Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
| Camden Kerbside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 13 (2 Low) | 27 (2 Low) *1 | 10/12/2025 24:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 8 (1 Low) | n/m | 11/12/2025 08:00 |
| Cardiff Centre Timeseries Graph |
70 (3 Low) | 26 (1 Low) | 1 (1 Low) | 11 (1 Low) | 26 (2 Low) *1 | 10/12/2025 08:45 |
| Cardiff Newport Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 11/12/2025 08:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 7 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *1 | 11/12/2025 01:00 |
| Charlton Mackrell Timeseries Graph |
67 (3 Low) | 6 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 10/12/2025 24:00 |
| Chatham Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 9 (1 Low) | 28 (2 Low) *1 | 10/12/2025 24:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 11/12/2025 01:00 |
| Chepstow A48 Timeseries Graph |
n/m | 56 (1 Low) | n/m | 11 (1 Low) | 24 (2 Low) *1 | 11/12/2025 01:00 |
| Chesterfield Loundsley Green Timeseries Graph |
70 (3 Low) | 7 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 08:00 |
| Chilbolton Observatory Timeseries Graph |
73 (3 Low) | 5 (1 Low) | 1 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 06:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 10 (1 Low) | n/m | 10/12/2025 24:00 |
| Coventry Allesley Timeseries Graph |
63 (2 Low) | 27 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 08:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
| Crewe Coppenhall Timeseries Graph |
68 (3 Low) | 19 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 08:00 |
| Cwmbran Crownbridge Timeseries Graph |
78 (3 Low) | 9 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
D
| 24 Hour Summary, based on data provided by 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 | 56 (1 Low) | n/m | 9 (1 Low) | n/m | 11/12/2025 08:00 |
| Derby Stockbrook Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| Derry Rosemount Timeseries Graph |
n/a | 9 (1 Low) | 3 (1 Low) | 8 (1 Low) | 23 (2 Low) *1 | 10/12/2025 21:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
72 (3 Low) | 12 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 11/12/2025 06:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 36 (1 Low) | n/m | 8 (1 Low) | n/m | 11/12/2025 08:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 10/12/2025 14:00 |
| Dumfries Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 10/12/2025 14:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 11/12/2025 08:00 |
E
| 24 Hour Summary, based on data provided by 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 | 34 (3 Low) *1 | 10/12/2025 24:00 |
| Eastbourne Timeseries Graph |
75 (3 Low) | 6 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 09/12/2025 13:00 |
| Edinburgh St Leonards Timeseries Graph |
69 (3 Low) | 9 (1 Low) | 1 (1 Low) | 9 (1 Low) | 17 (2 Low) *2 | 10/12/2025 08:15 |
| Eskdalemuir Timeseries Graph |
69 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
| Exeter Roadside Timeseries Graph |
72 (3 Low) | 61 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
F
| 24 Hour Summary, based on data provided by 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 | 8 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Fort William Timeseries Graph |
81 (3 Low) | 12 (1 Low) | n/m | n/m | n/m | 10/12/2025 16:00 |
G
| 24 Hour Summary, based on data provided by 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 | 11 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Glasgow High Street Timeseries Graph |
n/m | 16 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 11/12/2025 08:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 10/12/2025 15:00 |
| Glasgow Townhead Timeseries Graph |
75 (3 Low) | 19 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 11/12/2025 08:00 |
| Glazebury Timeseries Graph |
63 (2 Low) | 21 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 07:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 08:00 |
| Grangemouth Timeseries Graph |
n/m | 9 (1 Low) | 1 (1 Low) | 9 (1 Low) | 19 (2 Low) *1 | 11/12/2025 01:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 10/12/2025 10:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *2 | 11/12/2025 08:00 |
H
| 24 Hour Summary, based on data provided by 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 | 48 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
| Haringey Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 11/12/2025 08:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 11/12/2025 08:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
62 (2 Low) | 12 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| High Muffles Timeseries Graph |
69 (3 Low) | 6 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 11/12/2025 08:00 |
| Honiton Timeseries Graph |
71 (3 Low) | 14 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Horley Timeseries Graph |
n/m | 59 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 10/12/2025 24:00 |
| Hull Freetown Timeseries Graph |
55 (2 Low) | 42 (1 Low) | 4 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 10/12/2025 14:15 |
| Hull Holderness Road Timeseries Graph |
n/m | 65 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 08:00 |
I
| 24 Hour Summary, based on data provided by 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 |
69 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 11/12/2025 08:00 |
| Inverness Timeseries Graph |
n/m | 20 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 11/12/2025 08:00 |
K
| 24 Hour Summary, based on data provided by 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 |
74 (3 Low) | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
L
| 24 Hour Summary, based on data provided by 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 |
74 (3 Low) | 3 (1 Low) | 6 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 10/12/2025 10:00 |
| Leamington Spa Timeseries Graph |
60 (2 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 06:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 11/12/2025 02:00 |
| Leeds Centre Timeseries Graph |
63 (2 Low) | 24 (1 Low) | 3 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 20:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *1 | 11/12/2025 07:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 08:00 |
| Leicester University Timeseries Graph |
62 (2 Low) | 26 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 06:00 |
| Leominster Timeseries Graph |
74 (3 Low) | 9 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
| Lerwick Timeseries Graph |
86 (3 Low) | n/m | n/m | n/m | n/m | 10/12/2025 22:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Liverpool Speke Timeseries Graph |
72 (3 Low) | 17 (1 Low) | 6 (1 Low) | 8 (1 Low) | 21 (2 Low) *1 | 11/12/2025 05:00 |
| Liverpool Thirlmere Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 04:00 |
| London Bexley Timeseries Graph |
n/m | 28 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| London Bloomsbury Timeseries Graph |
58 (2 Low) | 28 (1 Low) | 3 (1 Low) | 9 (1 Low) | 20 (2 Low) *2 | 10/12/2025 11:30 |
| London Farringdon Street Timeseries Graph |
n/m | 55 (1 Low) | n/m | 11 (1 Low) | n/m | 10/12/2025 24:00 |
| London Haringey Priory Park South Timeseries Graph |
63 (2 Low) | 26 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| London Harlington Timeseries Graph |
53 (2 Low) | 50 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 11/12/2025 03:00 |
| London Hillingdon Timeseries Graph |
39 (2 Low) | 61 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 03:00 |
| London Honor Oak Park Timeseries Graph |
73 (3 Low) | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| London Marylebone Road Timeseries Graph |
48 (2 Low) | 65 (1 Low) | 11 (1 Low) | 13 (2 Low) | 28 (2 Low) *1 | 10/12/2025 14:45 |
| London N. Kensington Timeseries Graph |
70 (3 Low) | 38 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 08:30 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| London Westminster Timeseries Graph |
62 (2 Low) | 27 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
| Lough Navar Timeseries Graph |
69 (3 Low) | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 11/12/2025 07:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 11/12/2025 08:00 |
| Lullington Heath Timeseries Graph |
81 (3 Low) | 5 (1 Low) | 4 (1 Low) | 11 (1 Low) | 21 (2 Low) *2 | 10/12/2025 14:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 9 (1 Low) | n/m | 11/12/2025 08:00 |
M
| 24 Hour Summary, based on data provided by 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 |
89 (3 Low) | n/m | n/m | n/m | n/m | 10/12/2025 10:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 19 (2 Low) *2 | 10/12/2025 24:00 |
| Manchester Piccadilly Timeseries Graph |
59 (2 Low) | 48 (1 Low) | 2 (1 Low) | 10 (1 Low) | 15 (1 Low) *2 | 10/12/2025 17:00 |
| Manchester Sharston Timeseries Graph |
69 (3 Low) | 31 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 06:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| Middlesbrough Timeseries Graph |
71 (3 Low) | 8 (1 Low) | 2 (1 Low) | 6 (1 Low) | 17 (2 Low) *1 | 10/12/2025 16:30 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 11/12/2025 08:00 |
| Milton Keynes Civic Centre Timeseries Graph |
70 (3 Low) | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
N
| 24 Hour Summary, based on data provided by 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 |
76 (3 Low) | 6 (1 Low) | 1 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 10/12/2025 08:15 |
| Newcastle Centre Timeseries Graph |
70 (3 Low) | 29 (1 Low) | n/m | 8 (1 Low) | 21 (2 Low) *1 | 11/12/2025 04:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
| Newport Timeseries Graph |
n/m | 24 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 10/12/2025 24:00 |
| Northampton Spring Park Timeseries Graph |
64 (2 Low) | 16 (1 Low) | n/m | 10 (1 Low) | n/m | 11/12/2025 01:00 |
| Norwich Lakenfields Timeseries Graph |
62 (2 Low) | 18 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 01:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
57 (2 Low) | 25 (1 Low) | 1 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 23:15 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 46 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
O
| 24 Hour Summary, based on data provided by 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 | 48 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 19/08/2025 16:00 |
| Oxford St Ebbes Timeseries Graph |
62 (2 Low) | 31 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 10/12/2025 24:00 |
P
| 24 Hour Summary, based on data provided by 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 |
77 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 10/12/2025 16:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 11/12/2025 08:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 02:00 |
| Plymouth Centre Timeseries Graph |
71 (3 Low) | 54 (1 Low) | n/m | 14 (2 Low) | 35 (3 Low) *2 | 10/12/2025 24:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 81 (2 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Port Talbot Margam Timeseries Graph |
74 (3 Low) | 38 (1 Low) | 2 (1 Low) | 8 (1 Low) | 37 (3 Low) *3 | 11/12/2025 07:30 |
| Portsmouth Timeseries Graph |
61 (2 Low) | 42 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 10/12/2025 24:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 10/12/2025 24:00 |
| Preston Timeseries Graph |
68 (3 Low) | 16 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 11/12/2025 08:00 |
R
| 24 Hour Summary, based on data provided by 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 | 31 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 11/12/2025 01:00 |
| Reading New Town Timeseries Graph |
53 (2 Low) | 32 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 10/12/2025 24:00 |
| Rochester Stoke Timeseries Graph |
70 (3 Low) | 17 (1 Low) | 1 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 14:45 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
S
| 24 Hour Summary, based on data provided by 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 |
65 (2 Low) | 25 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 11/12/2025 08:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 29 (2 Low) *1 | 10/12/2025 24:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 13 (1 Low) | 4 (1 Low) | 11 (1 Low) | 17 (2 Low) *1 | 10/12/2025 11:15 |
| Shaw Crompton Way Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 10/12/2025 17:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 7 (1 Low) | n/m | 11/12/2025 07:00 |
| Sheffield Devonshire Green Timeseries Graph |
64 (2 Low) | 20 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 11/12/2025 08:00 |
| Sheffield Tinsley Timeseries Graph |
61 (2 Low) | 30 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 11/12/2025 08:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 08:00 |
| Sibton Timeseries Graph |
59 (2 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 10/12/2025 24:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Southampton A33 Timeseries Graph |
n/m | 72 (2 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Southampton Centre Timeseries Graph |
59 (2 Low) | 56 (1 Low) | 4 (1 Low) | 12 (2 Low) | 25 (2 Low) *2 | 11/12/2025 00:45 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Southend-on-Sea Timeseries Graph |
58 (2 Low) | 23 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 10/12/2025 24:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 11/12/2025 08:00 |
| St Helens Linkway Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 11/12/2025 08:00 |
| St Osyth Timeseries Graph |
69 (3 Low) | 12 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 10/12/2025 24:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 13 (2 Low) | 25 (2 Low) *1 | 10/12/2025 24:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 7 (1 Low) | n/m | 11/12/2025 06:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 7 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 11/12/2025 07:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
| Stoke-on-Trent Centre Timeseries Graph |
75 (3 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 10/12/2025 12:00 |
| Storrington Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 10/12/2025 24:00 |
| Strathvaich Timeseries Graph |
89 (3 Low) | n/m | n/m | n/m | n/m | 10/12/2025 16:00 |
| Sunderland Silksworth Timeseries Graph |
73 (3 Low) | 11 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 18 (1 Low) | n/m | 8 (1 Low) | n/m | 11/12/2025 08:00 |
| Swansea Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 11 (1 Low) | 31 (2 Low) *1 | 10/12/2025 24:00 |
| Swindon Walcot Timeseries Graph |
67 (3 Low) | 9 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 10/12/2025 24:00 |
T
| 24 Hour Summary, based on data provided by 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 |
70 (3 Low) | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 11/12/2025 03:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 11/12/2025 05:00 |
| Telford Hollinswood Timeseries Graph |
73 (3 Low) | 17 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 11/12/2025 08:00 |
| Thurrock Timeseries Graph |
65 (2 Low) | 49 (1 Low) | 4 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 05:30 |
| Toft Newton Timeseries Graph |
64 (2 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 11/12/2025 08:00 |
W
| 24 Hour Summary, based on data provided by 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 | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 06:00 |
| Walsall Woodlands Timeseries Graph |
65 (2 Low) | 19 (1 Low) | n/m | n/m | n/m | 10/12/2025 09:00 |
| Warrington Timeseries Graph |
n/m | 24 (1 Low) | n/m | 9 (1 Low) | 21 (2 Low) *1 | 11/12/2025 04:00 |
| West Bromwich Kenrick Park Timeseries Graph |
62 (2 Low) | 34 (1 Low) | n/m | n/m | n/m | 11/12/2025 08:00 |
| Weybourne Timeseries Graph |
69 (3 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 11/12/2025 03:00 |
| Wicken Fen Timeseries Graph |
62 (2 Low) | 10 (1 Low) | 3 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 10/12/2025 15:15 |
| Widnes Milton Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 10/12/2025 18:00 |
| Wigan Centre Timeseries Graph |
61 (2 Low) | 29 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 11/12/2025 07:00 |
| Wirral Tranmere Timeseries Graph |
72 (3 Low) | 12 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 11/12/2025 04:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 11/12/2025 08:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 15 (2 Low) | n/m | 10/12/2025 24:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 29 (2 Low) *2 | 10/12/2025 24:00 |
| Wrexham Timeseries Graph |
n/m | 44 (1 Low) | 2 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 10/12/2025 16:15 |
Y
| 24 Hour Summary, based on data provided by 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) | 18 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 11/12/2025 08:00 |
| York Bootham Timeseries Graph |
65 (2 Low) | 23 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *1 | 11/12/2025 06:00 |
| York Fishergate Timeseries Graph |
n/m | 25 (1 Low) | n/m | 6 (1 Low) | 23 (2 Low) *1 | 11/12/2025 07:00 |
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