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