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 3am Fri 21st 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 |
70 (3 Low) | n/m | n/m | 1 (1 Low) | 2 (1 Low) *2 | 21/11/2025 02:00 |
| Bush Estate Timeseries Graph |
74 (3 Low) | 6 (1 Low) | n/m | n/m | n/m | 20/11/2025 05:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 20/11/2025 21:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 69 (2 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Edinburgh St Leonards Timeseries Graph |
56 (2 Low) | 47 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 10:45 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 73 (2 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Glasgow High Street Timeseries Graph |
n/m | 63 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 21/11/2025 03:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 83 (2 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Glasgow Townhead Timeseries Graph |
61 (2 Low) | 65 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| Grangemouth Timeseries Graph |
n/m | 31 (1 Low) | 5 (1 Low) | 7 (1 Low) | 7 (1 Low) *1 | 20/11/2025 15:15 |
| Grangemouth Moray Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 20/11/2025 20:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
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 |
69 (3 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 21/11/2025 02:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 24:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 57 (1 Low) | n/m | 4 (1 Low) | n/m | 21/11/2025 03:00 |
| Derby Stockbrook Park Timeseries Graph |
58 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Ladybower Timeseries Graph |
71 (3 Low) | 3 (1 Low) | 3 (1 Low) | 1 (1 Low) | 3 (1 Low) *2 | 20/11/2025 09:45 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 84 (2 Low) | n/m | 5 (1 Low) | 16 (1 Low) *2 | 21/11/2025 03:00 |
| Leicester University Timeseries Graph |
48 (2 Low) | 59 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 21/11/2025 03:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | n/m | 20/11/2025 17:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Northampton Spring Park Timeseries Graph |
56 (2 Low) | 23 (1 Low) | n/m | n/a | n/m | 17/11/2025 22:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 24:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
55 (2 Low) | 40 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 12:45 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 59 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 21/11/2025 01:00 |
| Tallington Timeseries Graph |
63 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 21/11/2025 03:00 |
| Toft Newton Timeseries Graph |
58 (2 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 21/11/2025 03:00 |
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 | 22 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 20/11/2025 18:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 57 (1 Low) | n/m | 6 (1 Low) | n/m | 21/11/2025 03:00 |
| Norwich Lakenfields Timeseries Graph |
58 (2 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 24:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 21/11/2025 03:00 |
| Sibton Timeseries Graph |
59 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 24:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 21/11/2025 03:00 |
| Southend-on-Sea Timeseries Graph |
53 (2 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| St Osyth Timeseries Graph |
61 (2 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 21/11/2025 03:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *1 | 21/11/2025 03:00 |
| Thurrock Timeseries Graph |
51 (2 Low) | 39 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 11:00 |
| Weybourne Timeseries Graph |
79 (3 Low) | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 20/11/2025 24:00 |
| Wicken Fen Timeseries Graph |
55 (2 Low) | 12 (1 Low) | 4 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 20/11/2025 14:00 |
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 | 62 (1 Low) | n/m | 11 (1 Low) | 29 (2 Low) *1 | 21/11/2025 02:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 29 (2 Low) *1 | 21/11/2025 03:00 |
| Haringey Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| London Bexley Timeseries Graph |
n/m | 29 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| London Bloomsbury Timeseries Graph |
34 (2 Low) | 65 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 11:15 |
| London Farringdon Street Timeseries Graph |
n/m | 46 (1 Low) | n/m | 5 (1 Low) | n/m | 21/11/2025 03:00 |
| London Haringey Priory Park South Timeseries Graph |
53 (2 Low) | 28 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| London Harlington Timeseries Graph |
54 (2 Low) | 42 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 02:00 |
| London Hillingdon Timeseries Graph |
51 (2 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 21/11/2025 03:00 |
| London Honor Oak Park Timeseries Graph |
53 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| London Marylebone Road Timeseries Graph |
49 (2 Low) | 64 (1 Low) | 4 (1 Low) | 6 (1 Low) | 16 (1 Low) *1 | 20/11/2025 08:00 |
| London N. Kensington Timeseries Graph |
53 (2 Low) | 36 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 12:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 21/11/2025 03:00 |
| London Westminster Timeseries Graph |
45 (2 Low) | 45 (1 Low) | n/m | n/a | n/m | 31/12/2023 24:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 20/11/2025 09:00 |
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 |
35 (2 Low) | 40 (1 Low) | n/m | n/m | n/m | 20/11/2025 18:00 |
| Inverness Timeseries Graph |
n/m | 46 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 21/11/2025 03:00 |
| Lerwick Timeseries Graph |
75 (3 Low) | n/m | n/m | n/m | n/m | 20/11/2025 05:00 |
| Strathvaich Timeseries Graph |
81 (3 Low) | n/m | n/m | n/m | n/m | 20/11/2025 11:00 |
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 |
62 (2 Low) | 22 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 24:00 |
| Kielder Water Timeseries Graph |
67 (3 Low) | n/m | n/m | 1 (1 Low) | 3 (1 Low) *2 | 21/11/2025 03:00 |
| Middlesbrough Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 16/11/2025 17:45 |
| Newcastle Centre Timeseries Graph |
61 (2 Low) | 25 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *1 | 21/11/2025 01:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 24:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 2 (1 Low) | n/m | 20/11/2025 24:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 24 (1 Low) | n/m | 6 (1 Low) | 7 (1 Low) *1 | 21/11/2025 02:00 |
| Sunderland Silksworth Timeseries Graph |
n/a | 23 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 24:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 3 (1 Low) | n/m | 20/11/2025 24:00 |
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 |
n/a | 22 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 21/11/2025 01:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 20/11/2025 20:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 20/11/2025 19:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 20/11/2025 19:00 |
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 |
71 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 20/11/2025 20:00 |
| Wrexham Timeseries Graph |
n/m | 40 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 15:00 |
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 | 40 (1 Low) | n/m | 3 (1 Low) | n/m | 21/11/2025 03:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 20/11/2025 23:00 |
| Blackburn Audley Park Timeseries Graph |
59 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Blackpool Marton Timeseries Graph |
73 (3 Low) | 24 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 21/11/2025 03:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 21/11/2025 03:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 20/11/2025 09:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 27 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *1 | 21/11/2025 01:00 |
| Crewe Coppenhall Timeseries Graph |
59 (2 Low) | 44 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 21/11/2025 03:00 |
| Glazebury Timeseries Graph |
56 (2 Low) | 24 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 24:00 |
| Liverpool Speke Timeseries Graph |
62 (2 Low) | 28 (1 Low) | 2 (1 Low) | 4 (1 Low) | 12 (1 Low) *1 | 21/11/2025 00:15 |
| Liverpool Thirlmere Park Timeseries Graph |
69 (3 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 21/11/2025 02:00 |
| Manchester Piccadilly Timeseries Graph |
54 (2 Low) | 54 (1 Low) | 5 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 21/11/2025 02:15 |
| Manchester Sharston Timeseries Graph |
49 (2 Low) | 48 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 21/11/2025 03:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 21/11/2025 03:00 |
| Preston Timeseries Graph |
42 (2 Low) | 72 (2 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 21/11/2025 03:00 |
| Salford Eccles Timeseries Graph |
62 (2 Low) | 58 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 21/11/2025 03:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 81 (2 Low) | n/m | n/m | n/m | 20/11/2025 08:00 |
| St Helens Linkway Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 20/11/2025 08:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 21/11/2025 03:00 |
| Warrington Timeseries Graph |
n/m | 41 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *1 | 21/11/2025 03:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 68 (2 Low) | n/m | n/m | n/m | 20/11/2025 08:00 |
| Wigan Centre Timeseries Graph |
59 (2 Low) | 63 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 21/11/2025 03:00 |
| Wirral Tranmere Timeseries Graph |
71 (3 Low) | 25 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 21/11/2025 02:00 |
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 | 84 (2 Low) | n/m | n/m | 18 (2 Low) *1 | 20/11/2025 19:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 20/11/2025 19:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 55 (1 Low) | 73 (1 Low) | n/m | n/m | 20/11/2025 20:00 |
| Belfast Centre Timeseries Graph |
66 (2 Low) | 46 (1 Low) | 2 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 20/11/2025 20:30 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 97 (2 Low) | n/m | n/m | 14 (1 Low) *1 | 20/11/2025 11:00 |
| Derry Rosemount Timeseries Graph |
68 (3 Low) | 40 (1 Low) | 24 (1 Low) | 9 (1 Low) | 15 (1 Low) *1 | 20/11/2025 20:00 |
| Lough Navar Timeseries Graph |
56 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 24:00 |
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 | 79 (2 Low) | n/m | n/m | n/m | 20/11/2025 17:00 |
| Eskdalemuir Timeseries Graph |
71 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 20/11/2025 04:00 |
| Peebles Timeseries Graph |
68 (3 Low) | 36 (1 Low) | n/m | n/m | n/m | 20/11/2025 06:00 |
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 | 4 (1 Low) | n/m | 21/11/2025 03:00 |
| Brighton Preston Park Timeseries Graph |
52 (2 Low) | 18 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Chatham Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 5 (1 Low) | 17 (2 Low) *1 | 21/11/2025 01:00 |
| Chilbolton Observatory Timeseries Graph |
64 (2 Low) | 18 (1 Low) | 3 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 20/11/2025 12:00 |
| Eastbourne Timeseries Graph |
55 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Horley Timeseries Graph |
n/m | 21 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Lullington Heath Timeseries Graph |
62 (2 Low) | 14 (1 Low) | 2 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 20/11/2025 12:30 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 22 (2 Low) *2 | 21/11/2025 03:00 |
| Milton Keynes Civic Centre Timeseries Graph |
53 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| 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 |
49 (2 Low) | 33 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| Portsmouth Timeseries Graph |
55 (2 Low) | 52 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 21/11/2025 03:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 21/11/2025 03:00 |
| Reading London Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 20/11/2025 19:00 |
| Reading New Town Timeseries Graph |
50 (2 Low) | 43 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 21/11/2025 03:00 |
| Rochester Stoke Timeseries Graph |
61 (2 Low) | 17 (1 Low) | 4 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 11:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 19 (2 Low) *2 | 21/11/2025 03:00 |
| Southampton A33 Timeseries Graph |
n/m | 78 (2 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 21/11/2025 03:00 |
| Southampton Centre Timeseries Graph |
54 (2 Low) | 60 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 20/11/2025 19:30 |
| Storrington Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 21/11/2025 03:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 12 (2 Low) | n/m | 21/11/2025 03:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 21/11/2025 03:00 |
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 |
46 (2 Low) | 49 (1 Low) | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *1 | 20/11/2025 18:15 |
| Cardiff Newport Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 20/11/2025 18:00 |
| Chepstow A48 Timeseries Graph |
n/m | 55 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *1 | 21/11/2025 01:00 |
| Cwmbran Crownbridge Timeseries Graph |
65 (2 Low) | 37 (1 Low) | n/m | n/m | n/m | 20/11/2025 16:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 20/11/2025 18:00 |
| Narberth Timeseries Graph |
69 (3 Low) | 1 (1 Low) | 6 (1 Low) | n/a | n/a | 20/11/2025 21:00 |
| Newport Timeseries Graph |
n/m | 54 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 20/11/2025 24:00 |
| Port Talbot Margam Timeseries Graph |
48 (2 Low) | 65 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *3 | 20/11/2025 08:30 |
| Swansea Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *1 | 21/11/2025 03:00 |
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) | 13 (1 Low) *2 | 21/11/2025 03:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Bournemouth Timeseries Graph |
56 (2 Low) | 32 (1 Low) | n/m | 9 (1 Low) | n/m | 21/11/2025 01:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 20/11/2025 24:00 |
| Bristol St Paul's Timeseries Graph |
55 (2 Low) | 51 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 21/11/2025 03:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 57 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 21/11/2025 01:00 |
| Charlton Mackrell Timeseries Graph |
65 (2 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 24:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 20/11/2025 24:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | 9 (1 Low) | n/m | 21/11/2025 03:00 |
| Exeter Roadside Timeseries Graph |
59 (2 Low) | 64 (1 Low) | n/m | n/m | n/m | 20/11/2025 07:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 21/11/2025 03:00 |
| Honiton Timeseries Graph |
58 (2 Low) | 33 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 20/11/2025 24:00 |
| Plymouth Centre Timeseries Graph |
61 (2 Low) | 54 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | n/m | 20/11/2025 08:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 10 (1 Low) *1 | 20/11/2025 24:00 |
| Swindon Walcot Timeseries Graph |
51 (2 Low) | 43 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 24:00 |
| Yarner Wood Timeseries Graph |
73 (3 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 19/11/2025 24:00 |
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 |
81 (3 Low) | n/m | n/m | n/m | n/m | 20/11/2025 06:00 |
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 |
46 (2 Low) | 62 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 21/11/2025 03:00 |
| Birmingham Hall Green Timeseries Graph |
59 (2 Low) | 41 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 20/11/2025 22:00 |
| Birmingham Ladywood Timeseries Graph |
53 (2 Low) | 44 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 08:45 |
| 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 |
58 (2 Low) | 25 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 21/11/2025 03:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 5 (1 Low) | n/m | 21/11/2025 03:00 |
| Coventry Allesley Timeseries Graph |
56 (2 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 21/11/2025 03:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 21/11/2025 03:00 |
| Leamington Spa Timeseries Graph |
53 (2 Low) | 58 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 21/11/2025 03:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| Leominster Timeseries Graph |
62 (2 Low) | 44 (1 Low) | n/m | n/m | n/m | 20/11/2025 18:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 66 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 21/11/2025 03:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 20/11/2025 24:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 21/11/2025 03:00 |
| Stoke-on-Trent Centre Timeseries Graph |
42 (2 Low) | 46 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 21/11/2025 03:00 |
| Telford Hollinswood Timeseries Graph |
54 (2 Low) | 40 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 20/11/2025 24:00 |
| Walsall Woodlands Timeseries Graph |
61 (2 Low) | 24 (1 Low) | n/m | n/m | n/m | 20/11/2025 04:00 |
| West Bromwich Kenrick Park Timeseries Graph |
55 (2 Low) | 44 (1 Low) | n/m | n/m | n/m | 20/11/2025 04:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 24:00 |
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 |
62 (2 Low) | 24 (1 Low) | 3 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 11:45 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 20/11/2025 16:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 13 (1 Low) *2 | 21/11/2025 03:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
63 (2 Low) | 30 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 43 (1 Low) | n/m | 3 (1 Low) | n/m | 21/11/2025 02:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 21/11/2025 02:00 |
| High Muffles Timeseries Graph |
65 (2 Low) | 7 (1 Low) | n/m | 1 (1 Low) | 2 (1 Low) *2 | 21/11/2025 03:00 |
| Hull Freetown Timeseries Graph |
63 (2 Low) | 27 (1 Low) | 1 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 21/11/2025 01:30 |
| Hull Holderness Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 24:00 |
| Immingham Woodlands Avenue Timeseries Graph |
60 (2 Low) | 26 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 24:00 |
| Leeds Centre Timeseries Graph |
57 (2 Low) | 29 (1 Low) | 1 (1 Low) | 2 (1 Low) | 6 (1 Low) *2 | 20/11/2025 08:30 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 9 (1 Low) | 21 (2 Low) *1 | 21/11/2025 02:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 21/11/2025 03:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 20 (1 Low) | 2 (1 Low) | 5 (1 Low) | 5 (1 Low) *1 | 20/11/2025 09:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | 5 (1 Low) | n/m | 21/11/2025 01:00 |
| Sheffield Devonshire Green Timeseries Graph |
62 (2 Low) | 19 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 01:00 |
| Sheffield Tinsley Timeseries Graph |
60 (2 Low) | 42 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 21/11/2025 03:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 21/11/2025 03:00 |
| York Bootham Timeseries Graph |
45 (2 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *1 | 21/11/2025 03:00 |
| York Fishergate Timeseries Graph |
n/m | 38 (1 Low) | n/m | 2 (1 Low) | 11 (1 Low) *1 | 21/11/2025 03:00 |
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