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 Thu 20th 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 |
74 (3 Low) | n/m | n/m | 1 (1 Low) | 3 (1 Low) *2 | 20/11/2025 07:00 |
| Bush Estate Timeseries Graph |
76 (3 Low) | 6 (1 Low) | n/m | n/m | n/m | 19/11/2025 18:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 19/11/2025 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 |
69 (3 Low) | 46 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (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 | 61 (1 Low) | n/m | 3 (1 Low) | 11 (1 Low) *2 | 20/11/2025 14:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 83 (2 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Glasgow Townhead Timeseries Graph |
71 (3 Low) | 65 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 20/11/2025 12:00 |
| Grangemouth Timeseries Graph |
n/m | 26 (1 Low) | 5 (1 Low) | 6 (1 Low) | 7 (1 Low) *1 | 20/11/2025 15:15 |
| Grangemouth Moray Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 20/11/2025 12:00 |
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) | 4 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 19/11/2025 24:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 57 (1 Low) | n/m | 4 (1 Low) | n/m | 20/11/2025 17:00 |
| Derby Stockbrook Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| Ladybower Timeseries Graph |
72 (3 Low) | 3 (1 Low) | 3 (1 Low) | 2 (1 Low) | 3 (1 Low) *2 | 20/11/2025 09:45 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | 5 (1 Low) | 18 (2 Low) *2 | 20/11/2025 17:00 |
| Leicester University Timeseries Graph |
55 (2 Low) | 59 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 20/11/2025 17:00 |
| 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) | 5 (1 Low) *2 | 20/11/2025 01:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 19/11/2025 24:00 |
| Northampton Spring Park Timeseries Graph |
65 (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) | 5 (1 Low) *2 | 20/11/2025 15:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
58 (2 Low) | 40 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 19/11/2025 18:30 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 59 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 20/11/2025 17:00 |
| Tallington Timeseries Graph |
70 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| Toft Newton Timeseries Graph |
64 (2 Low) | 8 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 19/11/2025 24:00 |
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 | 20/11/2025 17:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 20/11/2025 17:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 57 (1 Low) | n/m | 5 (1 Low) | n/m | 20/11/2025 17:00 |
| Norwich Lakenfields Timeseries Graph |
67 (3 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/11/2025 24:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| Sibton Timeseries Graph |
71 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 19/11/2025 24:00 |
| Southend-on-Sea Timeseries Graph |
60 (2 Low) | 20 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| St Osyth Timeseries Graph |
70 (3 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 19/11/2025 24:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *1 | 20/11/2025 17:00 |
| Thurrock Timeseries Graph |
58 (2 Low) | 39 (1 Low) | 3 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 11:00 |
| Weybourne Timeseries Graph |
83 (3 Low) | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 20/11/2025 08:00 |
| Wicken Fen Timeseries Graph |
63 (2 Low) | 9 (1 Low) | 4 (1 Low) | 3 (1 Low) | 5 (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 | 70 (2 Low) | n/m | 10 (1 Low) | 27 (2 Low) *1 | 20/11/2025 17:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 27 (2 Low) *1 | 20/11/2025 17:00 |
| 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) | 6 (1 Low) *2 | 20/11/2025 02:00 |
| London Bloomsbury Timeseries Graph |
41 (2 Low) | 65 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 11:15 |
| London Farringdon Street Timeseries Graph |
n/m | 45 (1 Low) | n/m | 5 (1 Low) | n/m | 20/11/2025 17:00 |
| London Haringey Priory Park South Timeseries Graph |
60 (2 Low) | 28 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| London Harlington Timeseries Graph |
60 (2 Low) | 42 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 02:00 |
| London Hillingdon Timeseries Graph |
59 (2 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| London Honor Oak Park Timeseries Graph |
63 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| London Marylebone Road Timeseries Graph |
54 (2 Low) | 64 (1 Low) | 4 (1 Low) | 6 (1 Low) | 14 (1 Low) *1 | 20/11/2025 08:00 |
| London N. Kensington Timeseries Graph |
62 (2 Low) | 36 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 16:30 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| London Westminster Timeseries Graph |
54 (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 | 19 (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 |
49 (2 Low) | 42 (1 Low) | n/m | n/m | n/m | 19/11/2025 19:00 |
| Inverness Timeseries Graph |
n/m | 34 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 20/11/2025 03:00 |
| Lerwick Timeseries Graph |
76 (3 Low) | n/m | n/m | n/m | n/m | 19/11/2025 18:00 |
| 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 | 3 (1 Low) | 8 (1 Low) *2 | 19/11/2025 24:00 |
| Kielder Water Timeseries Graph |
68 (3 Low) | n/m | n/m | 1 (1 Low) | 3 (1 Low) *2 | 20/11/2025 13:00 |
| 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) | 10 (1 Low) *1 | 20/11/2025 12:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 2 (1 Low) | n/m | 20/11/2025 17:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 24 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *1 | 20/11/2025 13:00 |
| Sunderland Silksworth Timeseries Graph |
n/a | 23 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/11/2025 24:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 21 (1 Low) | n/m | 3 (1 Low) | n/m | 19/11/2025 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 | 19 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 20/11/2025 04:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 20/11/2025 13:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 20/11/2025 17:00 |
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 |
75 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 19/11/2025 19:00 |
| Wrexham Timeseries Graph |
n/m | 46 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 19/11/2025 17:15 |
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 | 27 (1 Low) | n/m | 3 (1 Low) | n/m | 20/11/2025 17:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 20/11/2025 10:00 |
| Blackburn Audley Park Timeseries Graph |
59 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 16:00 |
| Blackpool Marton Timeseries Graph |
73 (3 Low) | 17 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 20/11/2025 16:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 20/11/2025 17:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 20/11/2025 09:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 40 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *1 | 20/11/2025 06:00 |
| Crewe Coppenhall Timeseries Graph |
62 (2 Low) | 44 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| Glazebury Timeseries Graph |
59 (2 Low) | 23 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| Liverpool Speke Timeseries Graph |
62 (2 Low) | 28 (1 Low) | 2 (1 Low) | 4 (1 Low) | 13 (1 Low) *1 | 19/11/2025 23:45 |
| Liverpool Thirlmere Park Timeseries Graph |
69 (3 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| Manchester Piccadilly Timeseries Graph |
54 (2 Low) | 43 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 20/11/2025 16:00 |
| Manchester Sharston Timeseries Graph |
56 (2 Low) | 42 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 17:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 20/11/2025 17:00 |
| Preston Timeseries Graph |
50 (2 Low) | 72 (2 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 17:00 |
| Salford Eccles Timeseries Graph |
66 (2 Low) | 45 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 20/11/2025 17:00 |
| 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 | 13 (1 Low) *1 | 20/11/2025 08:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 20/11/2025 17:00 |
| Warrington Timeseries Graph |
n/m | 41 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *1 | 20/11/2025 17:00 |
| 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 |
62 (2 Low) | 63 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 20/11/2025 17:00 |
| Wirral Tranmere Timeseries Graph |
71 (3 Low) | 22 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 20/11/2025 17:00 |
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 | 12 (1 Low) *1 | 19/11/2025 19:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | n/m | 19/11/2025 19:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 38 (1 Low) | 42 (1 Low) | n/m | n/m | 19/11/2025 19:00 |
| Belfast Centre Timeseries Graph |
66 (2 Low) | 24 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 19/11/2025 17:15 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 97 (2 Low) | n/m | n/m | 10 (1 Low) *1 | 20/11/2025 11:00 |
| Derry Rosemount Timeseries Graph |
68 (3 Low) | 43 (1 Low) | 21 (1 Low) | 5 (1 Low) | 11 (1 Low) *1 | 19/11/2025 23:00 |
| Lough Navar Timeseries Graph |
61 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 01:00 |
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 |
72 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 19/11/2025 18:00 |
| Peebles Timeseries Graph |
72 (3 Low) | 25 (1 Low) | n/m | n/m | n/m | 19/11/2025 18:00 |
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 | 20/11/2025 17:00 |
| Brighton Preston Park Timeseries Graph |
53 (2 Low) | 16 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| Chatham Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 5 (1 Low) | 16 (1 Low) *1 | 19/11/2025 24:00 |
| Chilbolton Observatory Timeseries Graph |
64 (2 Low) | 9 (1 Low) | 5 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 19/11/2025 17:15 |
| Eastbourne Timeseries Graph |
62 (2 Low) | 13 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| Horley Timeseries Graph |
n/m | 13 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| Lullington Heath Timeseries Graph |
67 (3 Low) | 10 (1 Low) | 2 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 20/11/2025 12:30 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 17 (2 Low) *2 | 20/11/2025 16:00 |
| Milton Keynes Civic Centre Timeseries Graph |
62 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 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 |
57 (2 Low) | 27 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| Portsmouth Timeseries Graph |
55 (2 Low) | 37 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *2 | 20/11/2025 17:00 |
| Reading London Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 20/11/2025 08:00 |
| Reading New Town Timeseries Graph |
57 (2 Low) | 28 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 20/11/2025 17:00 |
| Rochester Stoke Timeseries Graph |
69 (3 Low) | 17 (1 Low) | 4 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 20/11/2025 11:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 18 (2 Low) *2 | 20/11/2025 17:00 |
| Southampton A33 Timeseries Graph |
n/m | 78 (2 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 20/11/2025 17:00 |
| Southampton Centre Timeseries Graph |
55 (2 Low) | 41 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 14:00 |
| Storrington Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | 4 (1 Low) | 14 (1 Low) *2 | 20/11/2025 17:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 11 (1 Low) | n/m | 20/11/2025 09:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 20/11/2025 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 |
55 (2 Low) | 45 (1 Low) | 2 (1 Low) | 7 (1 Low) | 11 (1 Low) *1 | 19/11/2025 18:45 |
| Cardiff Newport Road Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 19/11/2025 20:00 |
| Chepstow A48 Timeseries Graph |
n/m | 55 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *1 | 20/11/2025 17:00 |
| Cwmbran Crownbridge Timeseries Graph |
73 (3 Low) | 25 (1 Low) | n/m | n/m | n/m | 19/11/2025 18:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 71 (2 Low) | n/m | n/m | n/m | 19/11/2025 19:00 |
| Narberth Timeseries Graph |
76 (3 Low) | 1 (1 Low) | 1 (1 Low) | 2 (1 Low) | 4 (1 Low) *2 | 19/11/2025 11:45 |
| Newport Timeseries Graph |
n/m | 54 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 20/11/2025 17:00 |
| Port Talbot Margam Timeseries Graph |
66 (2 Low) | 58 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *3 | 20/11/2025 08:15 |
| Swansea Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *1 | 20/11/2025 14:00 |
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 | 3 (1 Low) | 12 (1 Low) *2 | 19/11/2025 24:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 20/11/2025 09:00 |
| Bournemouth Timeseries Graph |
58 (2 Low) | 24 (1 Low) | n/m | 8 (1 Low) | n/m | 20/11/2025 17:00 |
| Bristol St Paul's Timeseries Graph |
62 (2 Low) | 51 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 20/11/2025 13:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 57 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 20/11/2025 17:00 |
| Charlton Mackrell Timeseries Graph |
69 (3 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 20/11/2025 17:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | 6 (1 Low) | n/m | 20/11/2025 17:00 |
| Exeter Roadside Timeseries Graph |
59 (2 Low) | 51 (1 Low) | n/m | n/m | n/m | 20/11/2025 07:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 20/11/2025 17:00 |
| Honiton Timeseries Graph |
65 (2 Low) | 33 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| Plymouth Centre Timeseries Graph |
62 (2 Low) | 54 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 19/11/2025 24:00 |
| 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 | 2 (1 Low) | 9 (1 Low) *1 | 20/11/2025 17:00 |
| Swindon Walcot Timeseries Graph |
56 (2 Low) | 40 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| 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 | 19/11/2025 18:00 |
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 | 4 (1 Low) | 11 (1 Low) *2 | 20/11/2025 17:00 |
| Birmingham Hall Green Timeseries Graph |
59 (2 Low) | 37 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 20/11/2025 14:00 |
| Birmingham Ladywood Timeseries Graph |
53 (2 Low) | 44 (1 Low) | 3 (1 Low) | 4 (1 Low) | 7 (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 |
63 (2 Low) | 24 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 4 (1 Low) | n/m | 20/11/2025 17:00 |
| Coventry Allesley Timeseries Graph |
59 (2 Low) | 35 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 20/11/2025 17:00 |
| Leamington Spa Timeseries Graph |
56 (2 Low) | 58 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 20/11/2025 17:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| Leominster Timeseries Graph |
69 (3 Low) | 44 (1 Low) | n/m | n/m | n/m | 19/11/2025 18:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 61 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 20/11/2025 17:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 20/11/2025 17:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 20/11/2025 17:00 |
| Stoke-on-Trent Centre Timeseries Graph |
42 (2 Low) | 45 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 20/11/2025 17:00 |
| Telford Hollinswood Timeseries Graph |
57 (2 Low) | 41 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 20/11/2025 17:00 |
| Walsall Woodlands Timeseries Graph |
63 (2 Low) | 24 (1 Low) | n/m | n/m | n/m | 19/11/2025 19:00 |
| West Bromwich Kenrick Park Timeseries Graph |
55 (2 Low) | 43 (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) | 7 (1 Low) *2 | 20/11/2025 17:00 |
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) | 12 (1 Low) | 3 (1 Low) | 2 (1 Low) | 5 (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) | 17 (2 Low) *2 | 20/11/2025 15:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
65 (2 Low) | 21 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 43 (1 Low) | n/m | 3 (1 Low) | n/m | 20/11/2025 17:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| High Muffles Timeseries Graph |
n/a | 7 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 20/11/2025 03:00 |
| Hull Freetown Timeseries Graph |
64 (2 Low) | 17 (1 Low) | 1 (1 Low) | 2 (1 Low) | 5 (1 Low) *2 | 19/11/2025 17:15 |
| Hull Holderness Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 20/11/2025 17:00 |
| Immingham Woodlands Avenue Timeseries Graph |
67 (3 Low) | 26 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/11/2025 24:00 |
| Leeds Centre Timeseries Graph |
58 (2 Low) | 24 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 19/11/2025 19:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 7 (1 Low) | 22 (2 Low) *1 | 20/11/2025 17:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 16:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 20 (1 Low) | 2 (1 Low) | 5 (1 Low) | 4 (1 Low) *1 | 20/11/2025 08:15 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | 6 (1 Low) | n/m | 20/11/2025 12:00 |
| Sheffield Devonshire Green Timeseries Graph |
62 (2 Low) | 18 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 20/11/2025 17:00 |
| Sheffield Tinsley Timeseries Graph |
60 (2 Low) | 39 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 20/11/2025 14:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 20/11/2025 17:00 |
| York Bootham Timeseries Graph |
50 (2 Low) | 11 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *1 | 20/11/2025 17:00 |
| York Fishergate Timeseries Graph |
n/m | 38 (1 Low) | n/m | 2 (1 Low) | 11 (1 Low) *1 | 19/11/2025 24:00 |
Legend
- n/m means that the pollutant is not measured at that site
- n/a means that no data were recorded for the period
- *1: measurements are PM10 BAM 1020 heated
- *2: measurements are PM10 FIDAS
- *3: measurements are PM10 SEQ 47/50