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 5pm Tue 1st Apr 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 |
65 (2 Low) | 55 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 01/04/2025 15:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 31/03/2025 19:00:00 |
| Armagh Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 01/04/2025 08:00:00 |
| Aston Hill Timeseries Graph |
85 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 31/03/2025 22:00:00 |
| Auchencorth Moss Timeseries Graph |
77 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/04/2025 11:00:00 |
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 | 36 (1 Low) | n/m | n/m | n/m | 31/03/2025 18:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | n/a | n/a | n/m | n/m | 26/02/2025 10:15:00 |
| Barnsley Gawber Timeseries Graph |
73 (3 Low) | 46 (1 Low) | 7 (1 Low) | 10 (1 Low) | 20 (2 Low) *2 | 31/03/2025 20:15:00 |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 01/04/2025 17:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Belfast Centre Timeseries Graph |
46 (2 Low) | 50 (1 Low) | 2 (1 Low) | 11 (1 Low) | 19 (2 Low) *2 | 01/04/2025 06:45:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 76 (2 Low) | n/m | n/m | 35 (3 Low) *1 | 01/04/2025 08:00:00 |
| Birkenhead Borough Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | 10 (1 Low) | n/m | 01/04/2025 03:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
72 (3 Low) | 48 (1 Low) | n/m | 9 (1 Low) | 24 (2 Low) *2 | 01/04/2025 01:00:00 |
| Birmingham Ladywood Timeseries Graph |
73 (3 Low) | 30 (1 Low) | 3 (1 Low) | 9 (1 Low) | 17 (2 Low) *2 | 31/03/2025 22:45:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Blackburn Audley Park Timeseries Graph |
71 (3 Low) | n/m | n/m | 11 (1 Low) | 20 (2 Low) *2 | 01/04/2025 06:00:00 |
| Blackpool Marton Timeseries Graph |
74 (3 Low) | 19 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 01/04/2025 03:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | n/m | 01/04/2025 03:00:00 |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 23 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 01/04/2025 13:00:00 |
| Bournemouth Timeseries Graph |
80 (3 Low) | 23 (1 Low) | n/m | 10 (1 Low) | n/m | 01/04/2025 15:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 89 (2 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 27 (2 Low) *2 | 01/04/2025 01:00:00 |
| Brighton Preston Park Timeseries Graph |
62 (2 Low) | 13 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 01/04/2025 13:00:00 |
| Bristol St Paul's Timeseries Graph |
87 (3 Low) | 62 (1 Low) | n/m | 10 (1 Low) | 25 (2 Low) *1 | 01/04/2025 17:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 59 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 01/04/2025 16:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
76 (3 Low) | 25 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 01/04/2025 01:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 31/03/2025 18:00:00 |
| Bush Estate Timeseries Graph |
82 (3 Low) | 12 (1 Low) | n/m | n/m | n/m | 01/04/2025 17:00:00 |
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 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 01/04/2025 08:00:00 |
| Camden Kerbside Timeseries Graph |
n/m | 55 (1 Low) | n/m | 8 (1 Low) | 28 (2 Low) *1 | 01/04/2025 17:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 8 (1 Low) | n/m | 01/04/2025 01:00:00 |
| Cardiff Centre Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 25/02/2025 10:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | 27 (2 Low) *1 | 31/03/2025 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 28 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *1 | 01/04/2025 09:00:00 |
| Charlton Mackrell Timeseries Graph |
83 (3 Low) | 7 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 01/04/2025 17:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 10 (1 Low) | 26 (2 Low) *1 | 01/04/2025 17:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 42 (1 Low) | n/m | 12 (2 Low) | 25 (2 Low) *1 | 01/04/2025 16:00:00 |
| Chesterfield Loundsley Green Timeseries Graph |
80 (3 Low) | 20 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 01/04/2025 01:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 01/04/2025 01:00:00 |
| Chilbolton Observatory Timeseries Graph |
n/a | 14 (1 Low) | 2 (1 Low) | 8 (1 Low) | 17 (2 Low) *2 | 01/04/2025 10:15:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 9 (1 Low) | n/m | 01/04/2025 17:00:00 |
| Coventry Allesley Timeseries Graph |
79 (3 Low) | 18 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 01/04/2025 01:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 01/04/2025 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
80 (3 Low) | 33 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 01/04/2025 01:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
91 (3 Low) | 26 (1 Low) | n/m | n/m | n/m | 31/03/2025 20:00:00 |
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 | 64 (1 Low) | n/m | 8 (1 Low) | n/m | 01/04/2025 01:00:00 |
| Derby Stockbrook Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 01/04/2025 01:00:00 |
| Derry Rosemount Timeseries Graph |
78 (3 Low) | 18 (1 Low) | 14 (1 Low) | 4 (1 Low) | 15 (1 Low) *1 | 31/03/2025 22:15:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
69 (3 Low) | 65 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 01/04/2025 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 44 (1 Low) | n/m | 10 (1 Low) | n/m | 01/04/2025 01:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 31/03/2025 23:00:00 |
| Dumfries Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 01/04/2025 10:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 01/04/2025 08:00:00 |
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 | 33 (2 Low) *1 | 01/04/2025 01:00:00 |
| Eastbourne Timeseries Graph |
82 (3 Low) | 16 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 01/04/2025 17:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 01/04/2025 08:00:00 |
| Edinburgh St Leonards Timeseries Graph |
71 (3 Low) | 31 (1 Low) | 5 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 01/04/2025 16:30:00 |
| Eskdalemuir Timeseries Graph |
79 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 01/04/2025 17:00:00 |
| Exeter Roadside Timeseries Graph |
81 (3 Low) | 23 (1 Low) | n/m | n/m | n/m | 31/03/2025 20:00:00 |
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 |
| Fort William Timeseries Graph |
n/a | 7 (1 Low) | n/m | n/m | n/m | 31/03/2025 18:00:00 |
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 | 46 (1 Low) | n/m | n/m | n/m | 31/03/2025 23:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 33 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 01/04/2025 02:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 85 (2 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Glasgow Townhead Timeseries Graph |
72 (3 Low) | 42 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 01/04/2025 02:00:00 |
| Glazebury Timeseries Graph |
72 (3 Low) | 28 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 01/04/2025 02:00:00 |
| Grangemouth Timeseries Graph |
n/m | 35 (1 Low) | 3 (1 Low) | 7 (1 Low) | 12 (1 Low) *1 | 01/04/2025 01:45:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 01/04/2025 09:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 69 (2 Low) | n/m | 8 (1 Low) | 19 (2 Low) *2 | 31/03/2025 24:00: |
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 | 51 (1 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 31/03/2025 22:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 01/04/2025 07:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
75 (3 Low) | 45 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 01/04/2025 01:00:00 |
| High Muffles Timeseries Graph |
77 (3 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/04/2025 11:00:00 |
| Honiton Timeseries Graph |
84 (3 Low) | 6 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 01/04/2025 17:00:00 |
| Horley Timeseries Graph |
n/m | 13 (1 Low) | n/m | 8 (1 Low) | n/a | 01/04/2025 17:00:00 |
| Hull Freetown Timeseries Graph |
72 (3 Low) | 49 (1 Low) | 12 (1 Low) | 8 (1 Low) | 17 (2 Low) *2 | 01/04/2025 01:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 01/04/2025 01:00:00 |
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 |
79 (3 Low) | 29 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 01/04/2025 01:00:00 |
| Inverness Timeseries Graph |
n/m | 29 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 01/04/2025 17:00:00 |
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 |
70 (3 Low) | n/m | n/m | 5 (1 Low) | 7 (1 Low) *2 | 01/04/2025 14:00:00 |
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 |
82 (3 Low) | 14 (1 Low) | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 01/04/2025 09:00:00 |
| Leamington Spa Timeseries Graph |
91 (3 Low) | 13 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 01/04/2025 01:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 01/04/2025 01:00:00 |
| Leeds Centre Timeseries Graph |
65 (2 Low) | 58 (1 Low) | 5 (1 Low) | 10 (1 Low) | 22 (2 Low) *2 | 01/04/2025 10:45:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 12 (2 Low) | 33 (2 Low) *1 | 01/04/2025 01:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 01/04/2025 01:00:00 |
| Leicester University Timeseries Graph |
85 (3 Low) | 10 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 01/04/2025 01:00:00 |
| Leominster Timeseries Graph |
88 (3 Low) | 13 (1 Low) | n/m | n/m | n/m | 31/03/2025 20:00:00 |
| Lerwick Timeseries Graph |
75 (3 Low) | n/m | n/m | n/m | n/m | 01/04/2025 17:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 31/03/2025 18:00:00 |
| Liverpool Speke Timeseries Graph |
61 (2 Low) | 44 (1 Low) | 2 (1 Low) | 12 (2 Low) | 26 (2 Low) *1 | 31/03/2025 17:15:00 |
| Liverpool Thirlmere Park Timeseries Graph |
75 (3 Low) | n/m | n/m | 11 (1 Low) | 20 (2 Low) *2 | 01/04/2025 03:00:00 |
| London Bexley Timeseries Graph |
n/m | 47 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 01/04/2025 17:00:00 |
| London Bloomsbury Timeseries Graph |
71 (3 Low) | 34 (1 Low) | 3 (1 Low) | 8 (1 Low) | 18 (2 Low) *2 | 01/04/2025 14:30:00 |
| London Haringey Priory Park South Timeseries Graph |
83 (3 Low) | 22 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 01/04/2025 17:00:00 |
| London Harlington Timeseries Graph |
75 (3 Low) | 43 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 01/04/2025 12:00:00 |
| London Hillingdon Timeseries Graph |
60 (2 Low) | 38 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 01/04/2025 17:00:00 |
| London Honor Oak Park Timeseries Graph |
83 (3 Low) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 01/04/2025 17:00:00 |
| London Marylebone Road Timeseries Graph |
56 (2 Low) | 42 (1 Low) | 16 (1 Low) | 9 (1 Low) | 29 (2 Low) *1 | 01/04/2025 14:45:00 |
| London N. Kensington Timeseries Graph |
80 (3 Low) | 28 (1 Low) | 1 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 01/04/2025 13:30:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 01/04/2025 17:00:00 |
| London Westminster Timeseries Graph |
69 (3 Low) | 27 (1 Low) | n/m | 6 (1 Low) | n/m | 01/04/2025 13:00:00 |
| Lough Navar Timeseries Graph |
70 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/04/2025 16:00:00 |
| Lullington Heath Timeseries Graph |
87 (3 Low) | 11 (1 Low) | 6 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 01/04/2025 11:30:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | 8 (1 Low) | n/m | 01/04/2025 12:00:00 |
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 |
80 (3 Low) | n/m | n/m | n/m | n/m | 01/04/2025 16:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 01/04/2025 17:00:00 |
| Manchester Piccadilly Timeseries Graph |
64 (2 Low) | 57 (1 Low) | 3 (1 Low) | 15 (2 Low) | 39 (3 Low) *2 | 01/04/2025 01:00:00 |
| Manchester Sharston Timeseries Graph |
69 (3 Low) | 30 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 01/04/2025 01:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 01/04/2025 01:00:00 |
| Middlesbrough Timeseries Graph |
72 (3 Low) | 41 (1 Low) | 3 (1 Low) | 6 (1 Low) | 19 (2 Low) *1 | 01/04/2025 09:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 01/04/2025 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
85 (3 Low) | n/m | n/m | n/a | n/a | 01/02/2025 01:00:00 |
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 |
89 (3 Low) | 7 (1 Low) | 2 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 01/04/2025 10:15:00 |
| Newcastle Centre Timeseries Graph |
67 (3 Low) | 76 (2 Low) | n/m | 14 (2 Low) | 28 (2 Low) *1 | 01/04/2025 10:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 98 (2 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 01/04/2025 06:00:00 |
| Newport Timeseries Graph |
n/m | 37 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 01/04/2025 17:00:00 |
| Northampton Spring Park Timeseries Graph |
85 (3 Low) | 15 (1 Low) | n/m | 9 (1 Low) | n/m | 01/04/2025 01:00:00 |
| Norwich Lakenfields Timeseries Graph |
78 (3 Low) | 24 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/04/2025 01:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 01/04/2025 01:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
77 (3 Low) | 12 (1 Low) | 2 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 01/04/2025 06:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 33 (1 Low) | n/m | 10 (1 Low) | 22 (2 Low) *2 | 01/04/2025 01:00:00 |
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 | 67 (1 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Oxford St Ebbes Timeseries Graph |
89 (3 Low) | 18 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 01/04/2025 14:00:00 |
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 |
75 (3 Low) | 14 (1 Low) | n/m | n/m | n/m | 01/04/2025 17:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 31/03/2025 21:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 01/04/2025 11:00:00 |
| Plymouth Centre Timeseries Graph |
76 (3 Low) | 22 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 01/04/2025 17:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 01/04/2025 09:00:00 |
| Port Talbot Margam Timeseries Graph |
89 (3 Low) | 23 (1 Low) | 3 (1 Low) | 7 (1 Low) | 18 (2 Low) *3 | 01/04/2025 10:45:00 |
| Portsmouth Timeseries Graph |
78 (3 Low) | 40 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 01/04/2025 17:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 01/04/2025 17:00:00 |
| Preston Timeseries Graph |
70 (3 Low) | 41 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 01/04/2025 01:00:00 |
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 | n/a | n/m | n/m | 22 (2 Low) *1 | 11/03/2025 20:00:00 |
| Reading New Town Timeseries Graph |
73 (3 Low) | 26 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 01/04/2025 14:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 01/04/2025 14:00:00 |
| Rochester Stoke Timeseries Graph |
87 (3 Low) | 13 (1 Low) | 5 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 01/04/2025 13:15:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 01/04/2025 01:00:00 |
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 |
75 (3 Low) | 62 (1 Low) | n/m | 14 (2 Low) | 33 (2 Low) *2 | 01/04/2025 01:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 21 (2 Low) *1 | 01/04/2025 15:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 33 (1 Low) | 15 (1 Low) | n/m | 41 (3 Low) *1 | 31/03/2025 18:15:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 01/04/2025 13:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 81 (2 Low) | n/m | 11 (1 Low) | n/m | 01/04/2025 08:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
63 (2 Low) | 56 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 01/04/2025 01:00:00 |
| Sheffield Tinsley Timeseries Graph |
59 (2 Low) | 36 (1 Low) | n/m | 11 (1 Low) | 27 (2 Low) *2 | 01/04/2025 01:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 20 (2 Low) *2 | 01/04/2025 14:00:00 |
| Sibton Timeseries Graph |
82 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/04/2025 17:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 22 (2 Low) *2 | 01/04/2025 17:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 61 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 01/04/2025 17:00:00 |
| Southampton Centre Timeseries Graph |
72 (3 Low) | 43 (1 Low) | 5 (1 Low) | 9 (1 Low) | 18 (2 Low) *2 | 01/04/2025 09:45:00 |
| Southend-on-Sea Timeseries Graph |
82 (3 Low) | 29 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 01/04/2025 17:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | 31 (2 Low) *1 | 01/04/2025 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 86 (2 Low) | n/m | n/m | n/a | 31/03/2025 22:00:00 |
| St Osyth Timeseries Graph |
95 (3 Low) | 11 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 01/04/2025 17:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 10 (1 Low) | 24 (2 Low) *1 | 01/04/2025 13:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/a | n/m | 01/04/2025 01:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 53 (1 Low) | n/m | 8 (1 Low) | 20 (2 Low) *1 | 01/04/2025 11:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 64 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 01/04/2025 01:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
73 (3 Low) | 19 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 01/04/2025 01:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 01/04/2025 14:00:00 |
| Strathvaich Timeseries Graph |
74 (3 Low) | n/m | n/m | n/m | n/m | 01/04/2025 17:00:00 |
| Sunderland Silksworth Timeseries Graph |
68 (3 Low) | 47 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 01/04/2025 02:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 48 (1 Low) | n/m | 9 (1 Low) | n/m | 01/04/2025 02:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 9 (1 Low) | 24 (2 Low) *1 | 01/04/2025 02:00:00 |
| Swindon Walcot Timeseries Graph |
85 (3 Low) | 29 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 01/04/2025 15:00:00 |
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 |
85 (3 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 01/04/2025 13:00:00 |
| Telford Hollinswood Timeseries Graph |
88 (3 Low) | 54 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 01/04/2025 15:00:00 |
| Thurrock Timeseries Graph |
83 (3 Low) | 28 (1 Low) | 5 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 01/04/2025 15:30:00 |
| Toft Newton Timeseries Graph |
97 (3 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/04/2025 08:00:00 |
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 |
| Walsall Woodlands Timeseries Graph |
79 (3 Low) | 28 (1 Low) | n/m | n/m | n/m | 31/03/2025 20:00:00 |
| Warrington Timeseries Graph |
n/m | 60 (1 Low) | n/m | 8 (1 Low) | n/a | 01/04/2025 02:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
77 (3 Low) | 43 (1 Low) | n/m | n/m | n/m | 31/03/2025 20:00:00 |
| Weybourne Timeseries Graph |
76 (3 Low) | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 01/04/2025 01:00:00 |
| Wicken Fen Timeseries Graph |
73 (3 Low) | 12 (1 Low) | 3 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 01/04/2025 07:15:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 69 (2 Low) | n/m | n/m | n/m | 31/03/2025 22:00:00 |
| Wigan Centre Timeseries Graph |
73 (3 Low) | 42 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 01/04/2025 01:00:00 |
| Wirral Tranmere Timeseries Graph |
75 (3 Low) | 28 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 01/04/2025 04:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 11 (1 Low) | n/m | 01/04/2025 13:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 01/04/2025 13:00:00 |
| Wrexham Timeseries Graph |
n/m | 52 (1 Low) | 4 (1 Low) | 9 (1 Low) | 19 (2 Low) *2 | 01/04/2025 06:30:00 |
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 |
87 (3 Low) | 13 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 01/04/2025 17:00:00 |
| York Bootham Timeseries Graph |
69 (3 Low) | 20 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *1 | 01/04/2025 01:00:00 |
| York Fishergate Timeseries Graph |
n/m | 35 (1 Low) | n/m | 6 (1 Low) | 28 (2 Low) *1 | 01/04/2025 01:00:00 |
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