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 9am Sat 31st Jan 2026
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 |
68 (3 Low) | 14 (1 Low) | n/m | 14 (2 Low) | 34 (3 Low) *2 | 31/01/2026 06:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 30/01/2026 16:00 |
| Armagh Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 30/01/2026 18:00 |
| Aston Hill Timeseries Graph |
86 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 31/01/2026 09:00 |
| Auchencorth Moss Timeseries Graph |
47 (2 Low) | n/m | n/m | 6 (1 Low) | 7 (1 Low) *2 | 31/01/2026 03:00 |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 31/01/2026 09:00 |
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 | 15 (1 Low) | n/m | n/m | n/m | 30/01/2026 18:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 15 (1 Low) | 2 (1 Low) | n/m | n/m | 31/01/2026 01:30 |
| Barnsley Gawber Timeseries Graph |
65 (2 Low) | 27 (1 Low) | 3 (1 Low) | 13 (2 Low) | 15 (1 Low) *2 | 30/01/2026 23:00 |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 30/01/2026 14:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 74 (2 Low) | n/m | n/m | n/m | 30/01/2026 08:00 |
| Belfast Centre Timeseries Graph |
48 (2 Low) | 31 (1 Low) | 2 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 30/01/2026 15:15 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 31/01/2026 09:00 |
| Birkenhead Borough Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 8 (1 Low) | n/m | 30/01/2026 24:00 |
| Birmingham A4540 Roadside Timeseries Graph |
72 (3 Low) | 40 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 30/01/2026 24:00 |
| Birmingham Hall Green Timeseries Graph |
83 (3 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Birmingham Ladywood Timeseries Graph |
75 (3 Low) | 52 (1 Low) | 1 (1 Low) | 8 (1 Low) | 11 (1 Low) *2 | 30/01/2026 15:15 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 30/01/2026 16:00 |
| Blackburn Audley Park Timeseries Graph |
72 (3 Low) | n/m | n/m | 8 (1 Low) | 9 (1 Low) *2 | 30/01/2026 24:00 |
| Blackpool Marton Timeseries Graph |
66 (2 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 30/01/2026 24:00 |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 34 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 30/01/2026 24:00 |
| Bournemouth Timeseries Graph |
86 (3 Low) | 10 (1 Low) | n/m | 10 (1 Low) | n/m | 31/01/2026 06:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 30/01/2026 15:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
| Brighton Preston Park Timeseries Graph |
77 (3 Low) | 11 (1 Low) | n/m | 10 (1 Low) | 22 (2 Low) *2 | 31/01/2026 03:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/01/2026 09:00 |
| Bristol St Paul's Timeseries Graph |
75 (3 Low) | 51 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *1 | 31/01/2026 09:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 50 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 31/01/2026 07:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
74 (3 Low) | 29 (1 Low) | n/m | 9 (1 Low) | 11 (1 Low) *2 | 30/01/2026 24:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 30/01/2026 10:00 |
| Bush Estate Timeseries Graph |
58 (2 Low) | 11 (1 Low) | n/m | n/m | n/m | 30/01/2026 11:00 |
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 | 10 (1 Low) | 13 (1 Low) *2 | 30/01/2026 24:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 30/01/2026 15:00 |
| Camden Kerbside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *1 | 30/01/2026 24:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 8 (1 Low) | n/m | 30/01/2026 24:00 |
| Cardiff Centre Timeseries Graph |
82 (3 Low) | 28 (1 Low) | 1 (1 Low) | n/a | n/a | 30/01/2026 21:30 |
| Cardiff Newport Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/a | 30/01/2026 13:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/a | n/a | 27/01/2026 01:00 |
| Charlton Mackrell Timeseries Graph |
86 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 31/01/2026 09:00 |
| Chatham Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 5 (1 Low) | 19 (2 Low) *1 | 31/01/2026 09:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 31/01/2026 09:00 |
| Chepstow A48 Timeseries Graph |
n/m | 58 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 31/01/2026 07:00 |
| Chesterfield Loundsley Green Timeseries Graph |
69 (3 Low) | 28 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 12 (2 Low) | 15 (1 Low) *2 | 30/01/2026 24:00 |
| Chilbolton Observatory Timeseries Graph |
90 (3 Low) | 12 (1 Low) | 3 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 31/01/2026 01:30 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | 8 (1 Low) | n/m | 31/01/2026 09:00 |
| Coventry Allesley Timeseries Graph |
77 (3 Low) | 25 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Crewe Coppenhall Timeseries Graph |
74 (3 Low) | 18 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 30/01/2026 24:00 |
| Cwmbran Crownbridge Timeseries Graph |
88 (3 Low) | 28 (1 Low) | n/m | n/m | n/m | 31/01/2026 03:00 |
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 | 57 (1 Low) | n/m | 10 (1 Low) | n/m | 30/01/2026 24:00 |
| Derby Stockbrook Park Timeseries Graph |
72 (3 Low) | n/m | n/m | 10 (1 Low) | 12 (1 Low) *2 | 30/01/2026 24:00 |
| Derry Rosemount Timeseries Graph |
53 (2 Low) | 20 (1 Low) | 15 (1 Low) | n/a | n/a | 30/01/2026 20:15 |
| Dewsbury Ashworth Grange Timeseries Graph |
62 (2 Low) | 41 (1 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 30/01/2026 24:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 37 (1 Low) | n/m | 14 (2 Low) | n/m | 30/01/2026 24:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 30/01/2026 17:00 |
| Dumfries Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 30/01/2026 16:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 30/01/2026 15:00 |
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 | 19 (2 Low) *1 | 31/01/2026 09:00 |
| Eastbourne Timeseries Graph |
82 (3 Low) | 14 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 30/01/2026 24:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 30/01/2026 12:00 |
| Edinburgh St Leonards Timeseries Graph |
40 (2 Low) | 12 (1 Low) | 1 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 30/01/2026 11:00 |
| Eskdalemuir Timeseries Graph |
55 (2 Low) | 12 (1 Low) | n/m | n/m | n/m | 30/01/2026 10:00 |
| Exeter Roadside Timeseries Graph |
82 (3 Low) | 77 (2 Low) | n/m | n/m | n/m | 31/01/2026 02:00 |
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) | 15 (1 Low) *2 | 31/01/2026 09:00 |
| Fort William Timeseries Graph |
58 (2 Low) | 9 (1 Low) | n/m | n/m | n/m | 30/01/2026 12:00 |
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 | 19 (1 Low) | n/m | n/m | n/m | 30/01/2026 14:00 |
| Glasgow High Street Timeseries Graph |
n/m | 22 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 31/01/2026 05:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 76 (2 Low) | n/m | n/m | n/m | 30/01/2026 18:00 |
| Glasgow Townhead Timeseries Graph |
57 (2 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 31/01/2026 09:00 |
| Glazebury Timeseries Graph |
68 (3 Low) | 20 (1 Low) | n/m | 6 (1 Low) | 7 (1 Low) *2 | 30/01/2026 24:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 31/01/2026 09:00 |
| Grangemouth Timeseries Graph |
n/m | 16 (1 Low) | 1 (1 Low) | 7 (1 Low) | 11 (1 Low) *1 | 30/01/2026 15:15 |
| Grangemouth Moray Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 30/01/2026 11:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 31/01/2026 05:00 |
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 | 70 (2 Low) | n/m | n/m | n/m | 30/01/2026 10:00 |
| Haringey Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 31/01/2026 08:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
54 (2 Low) | 24 (1 Low) | n/m | 23 (2 Low) | 47 (3 Low) *2 | 31/01/2026 09:00 |
| High Muffles Timeseries Graph |
49 (2 Low) | 18 (1 Low) | n/m | 9 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Honiton Timeseries Graph |
86 (3 Low) | 5 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 31/01/2026 08:00 |
| Horley Timeseries Graph |
n/m | 46 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 31/01/2026 08:00 |
| Hull Freetown Timeseries Graph |
47 (2 Low) | 23 (1 Low) | 2 (1 Low) | 16 (2 Low) | 22 (2 Low) *2 | 30/01/2026 23:15 |
| Hull Holderness Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 17 (2 Low) | 22 (2 Low) *2 | 30/01/2026 24:00 |
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 |
55 (2 Low) | 21 (1 Low) | n/m | 15 (2 Low) | 19 (2 Low) *2 | 30/01/2026 24:00 |
| Inverness Timeseries Graph |
n/m | 23 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 30/01/2026 24:00 |
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 |
48 (2 Low) | n/m | n/m | 8 (1 Low) | 10 (1 Low) *2 | 31/01/2026 01:00 |
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 |
80 (3 Low) | 15 (1 Low) | 1 (1 Low) | 5 (1 Low) | 6 (1 Low) *2 | 30/01/2026 24:00 |
| Leamington Spa Timeseries Graph |
84 (3 Low) | 18 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Leeds Centre Timeseries Graph |
54 (2 Low) | 26 (1 Low) | 3 (1 Low) | 13 (2 Low) | 16 (1 Low) *2 | 31/01/2026 05:15 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 15 (2 Low) | 18 (2 Low) *1 | 30/01/2026 24:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 9 (1 Low) | 11 (1 Low) *2 | 30/01/2026 24:00 |
| Leicester University Timeseries Graph |
78 (3 Low) | 17 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Leominster Timeseries Graph |
80 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 31/01/2026 05:00 |
| Lerwick Timeseries Graph |
79 (3 Low) | n/m | n/m | n/m | n/m | 30/01/2026 12:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 30/01/2026 16:00 |
| Liverpool Speke Timeseries Graph |
75 (3 Low) | 33 (1 Low) | 6 (1 Low) | 10 (1 Low) | 12 (1 Low) *1 | 30/01/2026 13:00 |
| Liverpool Thirlmere Park Timeseries Graph |
72 (3 Low) | n/m | n/m | 8 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 30/01/2026 24:00 |
| London Bexley Timeseries Graph |
n/m | 29 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
| London Bloomsbury Timeseries Graph |
63 (2 Low) | 42 (1 Low) | 2 (1 Low) | 9 (1 Low) | 18 (2 Low) *2 | 30/01/2026 14:45 |
| London Farringdon Street Timeseries Graph |
n/m | 61 (1 Low) | n/m | 10 (1 Low) | n/m | 31/01/2026 09:00 |
| London Haringey Priory Park South Timeseries Graph |
65 (2 Low) | 38 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 30/01/2026 24:00 |
| London Harlington Timeseries Graph |
66 (2 Low) | 38 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 29/01/2026 24:00 |
| London Hillingdon Timeseries Graph |
43 (2 Low) | 62 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 30/01/2026 24:00 |
| London Honor Oak Park Timeseries Graph |
76 (3 Low) | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 31/01/2026 09:00 |
| London Marylebone Road Timeseries Graph |
48 (2 Low) | 56 (1 Low) | 3 (1 Low) | 12 (2 Low) | 21 (2 Low) *1 | 30/01/2026 10:15 |
| London N. Kensington Timeseries Graph |
72 (3 Low) | 44 (1 Low) | 2 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 30/01/2026 10:30 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 31/01/2026 09:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 31/01/2026 09:00 |
| London Westminster Timeseries Graph |
64 (2 Low) | 33 (1 Low) | n/m | n/m | n/m | 31/01/2026 04:00 |
| Lough Navar Timeseries Graph |
63 (2 Low) | n/m | n/m | 6 (1 Low) | 8 (1 Low) *2 | 31/01/2026 09:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 11 (1 Low) *2 | 30/01/2026 24:00 |
| Lullington Heath Timeseries Graph |
90 (3 Low) | 6 (1 Low) | 4 (1 Low) | 9 (1 Low) | 17 (2 Low) *2 | 30/01/2026 15:45 |
| Luton A505 Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 9 (1 Low) | n/m | 31/01/2026 09:00 |
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 |
92 (3 Low) | n/m | n/m | n/m | n/m | 30/01/2026 16:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 31/01/2026 09:00 |
| Manchester Piccadilly Timeseries Graph |
60 (2 Low) | 36 (1 Low) | 1 (1 Low) | 8 (1 Low) | 10 (1 Low) *2 | 30/01/2026 12:15 |
| Manchester Sharston Timeseries Graph |
77 (3 Low) | 23 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 30/01/2026 24:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 20 (2 Low) *2 | 30/01/2026 06:00 |
| Middlesbrough Timeseries Graph |
50 (2 Low) | 26 (1 Low) | 3 (1 Low) | 7 (1 Low) | 13 (1 Low) *1 | 30/01/2026 18:30 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 30/01/2026 24:00 |
| Milton Keynes Civic Centre Timeseries Graph |
71 (3 Low) | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 30/01/2026 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 |
84 (3 Low) | 7 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 30/01/2026 21:30 |
| Newcastle Centre Timeseries Graph |
49 (2 Low) | 25 (1 Low) | n/m | 14 (2 Low) | 21 (2 Low) *1 | 31/01/2026 04:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 31/01/2026 05:00 |
| Newport Timeseries Graph |
n/m | n/a | n/m | 6 (1 Low) | 13 (1 Low) *2 | 31/01/2026 06:00 |
| Northampton Spring Park Timeseries Graph |
77 (3 Low) | 23 (1 Low) | n/m | 13 (2 Low) | n/m | 30/01/2026 24:00 |
| Norwich Lakenfields Timeseries Graph |
48 (2 Low) | 19 (1 Low) | n/m | 16 (2 Low) | 20 (2 Low) *2 | 30/01/2026 24:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 12 (1 Low) *2 | 30/01/2026 24:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
66 (2 Low) | 19 (1 Low) | 1 (1 Low) | 11 (1 Low) | 13 (1 Low) *2 | 30/01/2026 19:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 29 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 30/01/2026 24:00 |
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 | 49 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 30/01/2026 24:00 |
| 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 |
70 (3 Low) | 11 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 29/01/2026 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 |
54 (2 Low) | 11 (1 Low) | n/m | n/m | n/m | 30/01/2026 10:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 30/01/2026 16:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 15 (1 Low) *2 | 30/01/2026 24:00 |
| Plymouth Centre Timeseries Graph |
89 (3 Low) | 34 (1 Low) | n/m | 11 (1 Low) | 27 (2 Low) *2 | 31/01/2026 06:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 30/01/2026 09:00 |
| Port Talbot Margam Timeseries Graph |
84 (3 Low) | 12 (1 Low) | 1 (1 Low) | 4 (1 Low) | 16 (1 Low) *3 | 30/01/2026 15:30 |
| Portsmouth Timeseries Graph |
77 (3 Low) | 19 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 31/01/2026 09:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 10 (1 Low) | 22 (2 Low) *2 | 31/01/2026 09:00 |
| Preston Timeseries Graph |
69 (3 Low) | 30 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 30/01/2026 24:00 |
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 | 18 (2 Low) *1 | 30/01/2026 10:00 |
| Reading New Town Timeseries Graph |
67 (3 Low) | 31 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 31/01/2026 09:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 31/01/2026 09:00 |
| Rochester Stoke Timeseries Graph |
73 (3 Low) | 13 (1 Low) | 3 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 30/01/2026 11:15 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
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 |
73 (3 Low) | 30 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 23 (2 Low) *1 | 31/01/2026 07:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 27 (1 Low) | 51 (1 Low) | 22 (2 Low) | 64 (5 Moderate) *1 | 31/01/2026 01:45 |
| Shaw Crompton Way Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 30/01/2026 17:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | 15 (2 Low) | n/m | 30/01/2026 24:00 |
| Sheffield Devonshire Green Timeseries Graph |
59 (2 Low) | 50 (1 Low) | n/m | 12 (2 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
| Sheffield Tinsley Timeseries Graph |
64 (2 Low) | 25 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 30/01/2026 24:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 8 (1 Low) *2 | 30/01/2026 24:00 |
| Sibton Timeseries Graph |
56 (2 Low) | n/m | n/m | 12 (2 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 31/01/2026 09:00 |
| Southampton A33 Timeseries Graph |
n/m | 80 (2 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 31/01/2026 09:00 |
| Southampton Centre Timeseries Graph |
79 (3 Low) | 54 (1 Low) | 3 (1 Low) | 10 (1 Low) | 22 (2 Low) *2 | 30/01/2026 13:15 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 30/01/2026 24:00 |
| Southend-on-Sea Timeseries Graph |
63 (2 Low) | 27 (1 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 30/01/2026 24:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/a | 30/01/2026 10:00 |
| St Helens Linkway Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | 7 (1 Low) *1 | 30/01/2026 11:00 |
| St Osyth Timeseries Graph |
71 (3 Low) | 13 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 30/01/2026 24:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 30/01/2026 24:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 8 (1 Low) | n/m | 30/01/2026 24:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 27 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *1 | 31/01/2026 01:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 30/01/2026 24:00 |
| Stoke-on-Trent Centre Timeseries Graph |
74 (3 Low) | 27 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 30/01/2026 24:00 |
| Storrington Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 31/01/2026 07:00 |
| Strathvaich Timeseries Graph |
58 (2 Low) | n/m | n/m | n/m | n/m | 30/01/2026 10:00 |
| Sunderland Silksworth Timeseries Graph |
51 (2 Low) | 20 (1 Low) | n/m | 13 (2 Low) | 18 (2 Low) *2 | 31/01/2026 05:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 22 (1 Low) | n/m | 13 (2 Low) | n/m | 31/01/2026 05:00 |
| Swansea Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 15 (2 Low) | 17 (2 Low) *1 | 31/01/2026 04:00 |
| Swindon Walcot Timeseries Graph |
86 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/01/2026 05:00 |
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 |
63 (2 Low) | n/m | n/m | 12 (2 Low) | 15 (1 Low) *2 | 30/01/2026 24:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 30/01/2026 24:00 |
| Telford Hollinswood Timeseries Graph |
83 (3 Low) | 31 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 30/01/2026 24:00 |
| Thurrock Timeseries Graph |
58 (2 Low) | 40 (1 Low) | 3 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 30/01/2026 12:15 |
| Toft Newton Timeseries Graph |
59 (2 Low) | 10 (1 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 30/01/2026 24:00 |
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 | 13 (2 Low) | 16 (1 Low) *2 | 30/01/2026 24:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 30/01/2026 24:00 |
| Walsall Woodlands Timeseries Graph |
79 (3 Low) | 28 (1 Low) | n/m | n/m | n/m | 31/01/2026 06:00 |
| Warrington Timeseries Graph |
n/m | 36 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 30/01/2026 24:00 |
| West Bromwich Kenrick Park Timeseries Graph |
80 (3 Low) | 33 (1 Low) | n/m | n/m | n/m | 31/01/2026 06:00 |
| Weybourne Timeseries Graph |
44 (2 Low) | n/m | n/m | 13 (2 Low) | 16 (1 Low) *2 | 30/01/2026 24:00 |
| Wicken Fen Timeseries Graph |
53 (2 Low) | 11 (1 Low) | 3 (1 Low) | 9 (1 Low) | 11 (1 Low) *2 | 30/01/2026 12:15 |
| Widnes Milton Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 30/01/2026 18:00 |
| Wigan Centre Timeseries Graph |
69 (3 Low) | 34 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 30/01/2026 24:00 |
| Wirral Tranmere Timeseries Graph |
75 (3 Low) | 21 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 30/01/2026 24:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 13 (2 Low) | n/m | 31/01/2026 09:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 33 (2 Low) *2 | 31/01/2026 07:00 |
| Wrexham Timeseries Graph |
n/m | 41 (1 Low) | 3 (1 Low) | 9 (1 Low) | 11 (1 Low) *2 | 30/01/2026 09:15 |
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 |
90 (3 Low) | 12 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/01/2026 07:00 |
| York Bootham Timeseries Graph |
48 (2 Low) | 19 (1 Low) | n/m | 14 (2 Low) | 20 (2 Low) *1 | 30/01/2026 24:00 |
| York Fishergate Timeseries Graph |
n/m | 36 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *1 | 30/01/2026 24:00 |
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