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 6am Sat 22nd Nov 2025
Central Scotland
| 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 |
| Auchencorth Moss Timeseries Graph |
69 (3 Low) | n/m | n/m | 1 (1 Low) | 2 (1 Low) *2 | 21/11/2025 02:00 |
| Bush Estate Timeseries Graph |
70 (3 Low) | 6 (1 Low) | n/m | n/m | n/m | 22/11/2025 02:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 21/11/2025 11:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 76 (2 Low) | n/m | n/m | n/m | 21/11/2025 09:00 |
| Edinburgh St Leonards Timeseries Graph |
69 (3 Low) | 55 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 21/11/2025 11:30 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | n/m | 21/11/2025 10:00 |
| Glasgow High Street Timeseries Graph |
n/m | 65 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 21/11/2025 24:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 85 (2 Low) | n/m | n/m | n/m | 21/11/2025 14:00 |
| Glasgow Townhead Timeseries Graph |
62 (2 Low) | 61 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 21/11/2025 24:00 |
| Grangemouth Timeseries Graph |
n/m | 59 (1 Low) | 11 (1 Low) | 8 (1 Low) | 9 (1 Low) *1 | 21/11/2025 12:15 |
| Grangemouth Moray Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 21/11/2025 10:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 68 (2 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 21/11/2025 24:00 |
East Midlands
| 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 |
| Chesterfield Loundsley Green Timeseries Graph |
52 (2 Low) | 41 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 22/11/2025 06:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 22/11/2025 06:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 86 (2 Low) | n/m | 11 (1 Low) | n/m | 22/11/2025 05:00 |
| Derby Stockbrook Park Timeseries Graph |
39 (2 Low) | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 22/11/2025 05:00 |
| Ladybower Timeseries Graph |
61 (2 Low) | 9 (1 Low) | 4 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 21/11/2025 09:15 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 91 (2 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 22/11/2025 04:00 |
| Leicester University Timeseries Graph |
45 (2 Low) | 62 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 22/11/2025 06:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 21/11/2025 16:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 22/11/2025 04:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 14 (1 Low) *2 | 22/11/2025 05:00 |
| Northampton Spring Park Timeseries Graph |
47 (2 Low) | 59 (1 Low) | n/m | n/a | n/m | 17/11/2025 22:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 22/11/2025 06:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
47 (2 Low) | 55 (1 Low) | 3 (1 Low) | 10 (1 Low) | 14 (1 Low) *2 | 21/11/2025 09:30 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 72 (2 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 22/11/2025 06:00 |
| Tallington Timeseries Graph |
54 (2 Low) | n/m | n/m | 8 (1 Low) | 10 (1 Low) *2 | 22/11/2025 04:00 |
| Toft Newton Timeseries Graph |
46 (2 Low) | 31 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 22/11/2025 06:00 |
Eastern
| 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 |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 71 (2 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 22/11/2025 04:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 14 (1 Low) *2 | 22/11/2025 04:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 21/11/2025 18:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 72 (2 Low) | n/m | 9 (1 Low) | n/m | 22/11/2025 05:00 |
| Norwich Lakenfields Timeseries Graph |
50 (2 Low) | 58 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 22/11/2025 06:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 10 (1 Low) *2 | 22/11/2025 03:00 |
| Sibton Timeseries Graph |
62 (2 Low) | n/m | n/m | 7 (1 Low) | 9 (1 Low) *2 | 22/11/2025 06:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 12 (1 Low) *2 | 22/11/2025 06:00 |
| Southend-on-Sea Timeseries Graph |
51 (2 Low) | 55 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 22/11/2025 06:00 |
| St Osyth Timeseries Graph |
57 (2 Low) | 50 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 22/11/2025 06:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 72 (2 Low) | n/m | 14 (2 Low) | 24 (2 Low) *1 | 22/11/2025 04:00 |
| Thurrock Timeseries Graph |
47 (2 Low) | 68 (2 Low) | 11 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 21/11/2025 18:30 |
| Weybourne Timeseries Graph |
79 (3 Low) | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 22/11/2025 02:00 |
| Wicken Fen Timeseries Graph |
47 (2 Low) | 45 (1 Low) | 3 (1 Low) | 8 (1 Low) | 11 (1 Low) *2 | 21/11/2025 12:00 |
Greater London
| 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 |
| Camden Kerbside Timeseries Graph |
n/m | 81 (2 Low) | n/m | 16 (2 Low) | 41 (3 Low) *1 | 22/11/2025 03:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 27 (2 Low) *1 | 22/11/2025 06:00 |
| Haringey Roadside Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 21/11/2025 19:00 |
| London Bexley Timeseries Graph |
n/m | 69 (2 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 22/11/2025 04:00 |
| London Bloomsbury Timeseries Graph |
33 (1 Low) | 66 (1 Low) | 3 (1 Low) | 9 (1 Low) | 13 (1 Low) *2 | 21/11/2025 20:15 |
| London Farringdon Street Timeseries Graph |
n/m | 69 (2 Low) | n/m | 10 (1 Low) | n/m | 22/11/2025 03:00 |
| London Haringey Priory Park South Timeseries Graph |
47 (2 Low) | 53 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 22/11/2025 03:00 |
| London Harlington Timeseries Graph |
42 (2 Low) | 71 (2 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 22/11/2025 04:00 |
| London Hillingdon Timeseries Graph |
41 (2 Low) | 77 (2 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 22/11/2025 04:00 |
| London Honor Oak Park Timeseries Graph |
49 (2 Low) | n/m | n/m | 10 (1 Low) | 16 (1 Low) *2 | 22/11/2025 03:00 |
| London Marylebone Road Timeseries Graph |
43 (2 Low) | 68 (2 Low) | 5 (1 Low) | 13 (2 Low) | 29 (2 Low) *1 | 21/11/2025 17:45 |
| London N. Kensington Timeseries Graph |
51 (2 Low) | 61 (1 Low) | 3 (1 Low) | 9 (1 Low) | 13 (1 Low) *2 | 21/11/2025 19:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 14 (1 Low) *2 | 22/11/2025 03:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 22/11/2025 03:00 |
| London Westminster Timeseries Graph |
43 (2 Low) | 69 (2 Low) | n/m | n/a | n/m | 31/12/2023 24:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 82 (2 Low) | n/m | n/m | 33 (2 Low) *1 | 21/11/2025 17:00 |
Highland
| 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 |
67 (3 Low) | 32 (1 Low) | n/m | n/m | n/m | 21/11/2025 22:00 |
| Inverness Timeseries Graph |
n/m | 25 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 21/11/2025 24:00 |
| Lerwick Timeseries Graph |
81 (3 Low) | n/m | n/m | n/m | n/m | 21/11/2025 13:00 |
| Strathvaich Timeseries Graph |
82 (3 Low) | n/m | n/m | n/m | n/m | 21/11/2025 18:00 |
North East
| 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 |
| Hartlepool St Abbs Walk Timeseries Graph |
54 (2 Low) | 45 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 22/11/2025 06:00 |
| Kielder Water Timeseries Graph |
59 (2 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 22/11/2025 04:00 |
| Middlesbrough Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 16/11/2025 17:45 |
| Newcastle Centre Timeseries Graph |
51 (2 Low) | 46 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 22/11/2025 06:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 85 (2 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 22/11/2025 05:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 6 (1 Low) | n/m | 22/11/2025 05:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 35 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *1 | 22/11/2025 04:00 |
| Sunderland Silksworth Timeseries Graph |
n/a | 37 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 22/11/2025 06:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 54 (1 Low) | n/m | 6 (1 Low) | n/m | 22/11/2025 06:00 |
North East Scotland
| 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 |
55 (2 Low) | 46 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 22/11/2025 01:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 21/11/2025 14:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 21/11/2025 10:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | n/m | 21/11/2025 09:00 |
North Wales
| 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 |
| Aston Hill Timeseries Graph |
67 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 21/11/2025 11:00 |
| Wrexham Timeseries Graph |
n/m | 59 (1 Low) | 6 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 21/11/2025 09:00 |
North West & Merseyside
| 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 |
| Birkenhead Borough Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | 6 (1 Low) | n/m | 22/11/2025 06:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 79 (2 Low) | n/m | n/m | n/m | 21/11/2025 09:00 |
| Blackburn Audley Park Timeseries Graph |
45 (2 Low) | n/m | n/m | 12 (2 Low) | 15 (1 Low) *2 | 21/11/2025 24:00 |
| Blackpool Marton Timeseries Graph |
46 (2 Low) | 58 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 21/11/2025 24:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 22/11/2025 05:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 67 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 21/11/2025 19:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 41 (1 Low) | n/m | 6 (1 Low) | 7 (1 Low) *1 | 21/11/2025 24:00 |
| Crewe Coppenhall Timeseries Graph |
47 (2 Low) | 53 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 22/11/2025 04:00 |
| Glazebury Timeseries Graph |
45 (2 Low) | 44 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 21/11/2025 24:00 |
| Liverpool Speke Timeseries Graph |
49 (2 Low) | 59 (1 Low) | 6 (1 Low) | 8 (1 Low) | 12 (1 Low) *1 | 21/11/2025 22:30 |
| Liverpool Thirlmere Park Timeseries Graph |
55 (2 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 22/11/2025 06:00 |
| Manchester Piccadilly Timeseries Graph |
43 (2 Low) | 68 (2 Low) | 6 (1 Low) | 17 (2 Low) | 21 (2 Low) *2 | 21/11/2025 09:15 |
| Manchester Sharston Timeseries Graph |
47 (2 Low) | 46 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 21/11/2025 24:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 21/11/2025 24:00 |
| Preston Timeseries Graph |
47 (2 Low) | 58 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 21/11/2025 24:00 |
| Salford Eccles Timeseries Graph |
54 (2 Low) | 61 (1 Low) | n/m | 14 (2 Low) | 18 (2 Low) *2 | 21/11/2025 24:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 74 (2 Low) | n/m | n/m | n/m | 21/11/2025 10:00 |
| St Helens Linkway Timeseries Graph |
n/m | 89 (2 Low) | n/m | n/m | 14 (1 Low) *1 | 21/11/2025 09:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 21/11/2025 24:00 |
| Warrington Timeseries Graph |
n/m | 53 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *1 | 21/11/2025 24:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 21/11/2025 09:00 |
| Wigan Centre Timeseries Graph |
40 (2 Low) | 64 (1 Low) | n/m | 13 (2 Low) | 17 (2 Low) *2 | 21/11/2025 24:00 |
| Wirral Tranmere Timeseries Graph |
51 (2 Low) | 66 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 22/11/2025 06:00 |
Northern Ireland
| 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 |
| Armagh Roadside Timeseries Graph |
n/m | 102 (2 Low) | n/m | n/m | 19 (2 Low) *1 | 21/11/2025 10:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 21/11/2025 13:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 40 (1 Low) | 41 (1 Low) | n/m | n/m | 21/11/2025 20:00 |
| Belfast Centre Timeseries Graph |
48 (2 Low) | 57 (1 Low) | 2 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 21/11/2025 09:15 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 106 (2 Low) | n/m | n/m | 18 (2 Low) *1 | 21/11/2025 10:00 |
| Derry Rosemount Timeseries Graph |
48 (2 Low) | 24 (1 Low) | 7 (1 Low) | 5 (1 Low) | 8 (1 Low) *1 | 21/11/2025 18:45 |
| Lough Navar Timeseries Graph |
56 (2 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 22/11/2025 02:00 |
Scottish Borders
| 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 |
| Dumfries Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | n/m | 21/11/2025 09:00 |
| Eskdalemuir Timeseries Graph |
65 (2 Low) | 9 (1 Low) | n/m | n/m | n/m | 22/11/2025 05:00 |
| Peebles Timeseries Graph |
76 (3 Low) | 29 (1 Low) | n/m | n/m | n/m | 22/11/2025 04:00 |
South East
| 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 |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 22/11/2025 02:00 |
| Brighton Preston Park Timeseries Graph |
41 (2 Low) | 59 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 22/11/2025 01:00 |
| Chatham Roadside Timeseries Graph |
n/m | 65 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *1 | 22/11/2025 05:00 |
| Chilbolton Observatory Timeseries Graph |
56 (2 Low) | 25 (1 Low) | 1 (1 Low) | 8 (1 Low) | 10 (1 Low) *2 | 22/11/2025 00:15 |
| Eastbourne Timeseries Graph |
53 (2 Low) | 45 (1 Low) | n/m | 12 (2 Low) | 16 (1 Low) *2 | 22/11/2025 03:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 21 (2 Low) | 26 (2 Low) *2 | 22/11/2025 04:00 |
| Horley Timeseries Graph |
n/m | 50 (1 Low) | n/m | 21 (2 Low) | 26 (2 Low) *2 | 22/11/2025 06:00 |
| Lullington Heath Timeseries Graph |
65 (2 Low) | 21 (1 Low) | 2 (1 Low) | 6 (1 Low) | 8 (1 Low) *2 | 21/11/2025 14:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 31 (2 Low) *2 | 22/11/2025 06:00 |
| Milton Keynes Civic Centre Timeseries Graph |
47 (2 Low) | n/m | n/m | 7 (1 Low) | 9 (1 Low) *2 | 21/11/2025 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 |
34 (2 Low) | 42 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 22/11/2025 02:00 |
| Portsmouth Timeseries Graph |
41 (2 Low) | 78 (2 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 22/11/2025 02:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 74 (2 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 22/11/2025 01:00 |
| Reading London Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 21/11/2025 19:00 |
| Reading New Town Timeseries Graph |
32 (1 Low) | 55 (1 Low) | n/m | 13 (2 Low) | 16 (1 Low) *2 | 22/11/2025 06:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 22/11/2025 06:00 |
| Rochester Stoke Timeseries Graph |
57 (2 Low) | 55 (1 Low) | 3 (1 Low) | 11 (1 Low) | 13 (1 Low) *2 | 21/11/2025 11:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 20 (2 Low) *2 | 22/11/2025 03:00 |
| Southampton A33 Timeseries Graph |
n/m | 94 (2 Low) | n/m | 20 (2 Low) | 28 (2 Low) *2 | 22/11/2025 05:00 |
| Southampton Centre Timeseries Graph |
40 (2 Low) | 80 (2 Low) | 12 (1 Low) | 17 (2 Low) | 23 (2 Low) *2 | 21/11/2025 20:45 |
| Storrington Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 21/11/2025 24:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 15 (2 Low) | n/m | 21/11/2025 24:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 19 (2 Low) *2 | 22/11/2025 01:00 |
South Wales
| 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 |
| Cardiff Centre Timeseries Graph |
61 (2 Low) | 77 (2 Low) | 6 (1 Low) | 11 (1 Low) | 15 (1 Low) *1 | 21/11/2025 20:15 |
| Cardiff Newport Road Timeseries Graph |
n/m | 84 (2 Low) | n/m | n/m | 15 (1 Low) *1 | 21/11/2025 19:00 |
| Chepstow A48 Timeseries Graph |
n/m | 67 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *1 | 21/11/2025 24:00 |
| Cwmbran Crownbridge Timeseries Graph |
47 (2 Low) | 61 (1 Low) | n/m | n/m | n/m | 22/11/2025 06:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 21/11/2025 07:00 |
| Narberth Timeseries Graph |
69 (3 Low) | 8 (1 Low) | 6 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 20/11/2025 21:00 |
| Newport Timeseries Graph |
n/m | 67 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 22/11/2025 05:00 |
| Port Talbot Margam Timeseries Graph |
73 (3 Low) | 54 (1 Low) | 3 (1 Low) | 3 (1 Low) | 10 (1 Low) *3 | 21/11/2025 10:45 |
| Swansea Roadside Timeseries Graph |
n/m | 83 (2 Low) | n/m | 10 (1 Low) | 15 (1 Low) *1 | 22/11/2025 02:00 |
South West
| 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 |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 21/11/2025 24:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 21/11/2025 17:00 |
| Bournemouth Timeseries Graph |
58 (2 Low) | 56 (1 Low) | n/m | 16 (2 Low) | n/m | 21/11/2025 24:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 21/11/2025 24:00 |
| Bristol St Paul's Timeseries Graph |
44 (2 Low) | 69 (2 Low) | n/m | 11 (1 Low) | 20 (2 Low) *1 | 21/11/2025 24:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 72 (2 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 22/11/2025 01:00 |
| Charlton Mackrell Timeseries Graph |
59 (2 Low) | 36 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 22/11/2025 06:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 21/11/2025 07:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 84 (2 Low) | n/m | 15 (2 Low) | n/m | 21/11/2025 24:00 |
| Exeter Roadside Timeseries Graph |
32 (1 Low) | 75 (2 Low) | n/m | n/m | n/m | 21/11/2025 07:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 21/11/2025 24:00 |
| Honiton Timeseries Graph |
58 (2 Low) | 34 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 21/11/2025 24:00 |
| Plymouth Centre Timeseries Graph |
75 (3 Low) | 88 (2 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 22/11/2025 06:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 119 (2 Low) | n/m | n/m | n/m | 21/11/2025 18:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *1 | 22/11/2025 03:00 |
| Swindon Walcot Timeseries Graph |
57 (2 Low) | 48 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 21/11/2025 24:00 |
| Yarner Wood Timeseries Graph |
57 (2 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 22/11/2025 06:00 |
West Ireland
| 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 |
82 (3 Low) | n/m | n/m | n/m | n/m | 21/11/2025 12:00 |
West Midlands
| 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 |
| Birmingham A4540 Roadside Timeseries Graph |
42 (2 Low) | 73 (2 Low) | n/m | 15 (2 Low) | 26 (2 Low) *2 | 22/11/2025 01:00 |
| Birmingham Hall Green Timeseries Graph |
56 (2 Low) | 58 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 21/11/2025 24:00 |
| Birmingham Ladywood Timeseries Graph |
49 (2 Low) | 55 (1 Low) | 4 (1 Low) | 8 (1 Low) | 12 (1 Low) *2 | 21/11/2025 09:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 14/11/2025 07:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
42 (2 Low) | 60 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 22/11/2025 02:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 7 (1 Low) | n/m | 22/11/2025 01:00 |
| Coventry Allesley Timeseries Graph |
32 (1 Low) | 53 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 22/11/2025 03:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 22/11/2025 03:00 |
| Leamington Spa Timeseries Graph |
42 (2 Low) | 63 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 22/11/2025 02:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 22/11/2025 03:00 |
| Leominster Timeseries Graph |
48 (2 Low) | 39 (1 Low) | n/m | n/m | n/m | 22/11/2025 06:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 78 (2 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 21/11/2025 24:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 22/11/2025 04:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 91 (2 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 21/11/2025 24:00 |
| Stoke-on-Trent Centre Timeseries Graph |
35 (2 Low) | 49 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 22/11/2025 02:00 |
| Telford Hollinswood Timeseries Graph |
43 (2 Low) | 53 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 22/11/2025 04:00 |
| Walsall Woodlands Timeseries Graph |
56 (2 Low) | 50 (1 Low) | n/m | n/m | n/m | 22/11/2025 06:00 |
| West Bromwich Kenrick Park Timeseries Graph |
51 (2 Low) | 68 (2 Low) | n/m | n/m | n/m | 22/11/2025 06:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 22/11/2025 02:00 |
Yorkshire & Humberside
| 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 |
| Barnsley Gawber Timeseries Graph |
53 (2 Low) | 52 (1 Low) | 7 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 09:15 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 79 (2 Low) | n/m | n/m | n/m | 21/11/2025 11:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 21 (2 Low) *2 | 22/11/2025 03:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
56 (2 Low) | 59 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 21/11/2025 24:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 69 (2 Low) | n/m | 8 (1 Low) | n/m | 22/11/2025 06:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 7 (1 Low) *2 | 22/11/2025 06:00 |
| High Muffles Timeseries Graph |
62 (2 Low) | 26 (1 Low) | n/m | 5 (1 Low) | 6 (1 Low) *2 | 22/11/2025 06:00 |
| Hull Freetown Timeseries Graph |
51 (2 Low) | 77 (2 Low) | 3 (1 Low) | 8 (1 Low) | 12 (1 Low) *2 | 21/11/2025 08:30 |
| Hull Holderness Road Timeseries Graph |
n/m | 71 (2 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 22/11/2025 06:00 |
| Immingham Woodlands Avenue Timeseries Graph |
58 (2 Low) | 32 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 22/11/2025 06:00 |
| Leeds Centre Timeseries Graph |
44 (2 Low) | 58 (1 Low) | 3 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 21/11/2025 18:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 66 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *1 | 22/11/2025 03:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 12 (1 Low) *2 | 22/11/2025 06:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 50 (1 Low) | 3 (1 Low) | 10 (1 Low) | 12 (1 Low) *1 | 21/11/2025 16:15 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 72 (2 Low) | n/m | 9 (1 Low) | n/m | 22/11/2025 06:00 |
| Sheffield Devonshire Green Timeseries Graph |
44 (2 Low) | 72 (2 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 22/11/2025 06:00 |
| Sheffield Tinsley Timeseries Graph |
45 (2 Low) | 71 (2 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/11/2025 06:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 22/11/2025 01:00 |
| York Bootham Timeseries Graph |
35 (2 Low) | 56 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *1 | 22/11/2025 03:00 |
| York Fishergate Timeseries Graph |
n/m | 105 (2 Low) | n/m | 8 (1 Low) | 16 (1 Low) *1 | 22/11/2025 06:00 |
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