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 11pm Thu 2nd Oct 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 |
80 (3 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 02/10/2025 23:00:00 |
| Bush Estate Timeseries Graph |
86 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 02/10/2025 23:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 02/10/2025 13:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 02/10/2025 09:00:00 |
| Edinburgh St Leonards Timeseries Graph |
67 (3 Low) | 16 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 02/10/2025 22:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 02/10/2025 10:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 23 (1 Low) | n/m | 4 (1 Low) | 14 (1 Low) *2 | 02/10/2025 12:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 02/10/2025 10:00:00 |
| Glasgow Townhead Timeseries Graph |
79 (3 Low) | 16 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/10/2025 20:00:00 |
| Grangemouth Timeseries Graph |
n/m | 15 (1 Low) | 3 (1 Low) | 3 (1 Low) | 5 (1 Low) *1 | 02/10/2025 22:45:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 02/10/2025 09:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/10/2025 13:00:00 |
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) | 28 (1 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 02/10/2025 21:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 02/10/2025 21:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 46 (1 Low) | n/m | 11 (1 Low) | n/m | 02/10/2025 21:00:00 |
| Derby Stockbrook Park Timeseries Graph |
63 (2 Low) | n/m | n/m | 10 (1 Low) | 14 (1 Low) *2 | 02/10/2025 21:00:00 |
| Ladybower Timeseries Graph |
67 (3 Low) | 9 (1 Low) | 3 (1 Low) | 8 (1 Low) | 12 (1 Low) *2 | 02/10/2025 15:45:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 02/10/2025 20:00:00 |
| Leicester University Timeseries Graph |
71 (3 Low) | 21 (1 Low) | n/m | 12 (2 Low) | 17 (2 Low) *2 | 02/10/2025 19:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 02/10/2025 18:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 02/10/2025 21:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 16 (1 Low) *2 | 02/10/2025 23:00:00 |
| Northampton Spring Park Timeseries Graph |
73 (3 Low) | 13 (1 Low) | n/m | 13 (2 Low) | n/m | 02/10/2025 19:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 15 (1 Low) *2 | 02/10/2025 21:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
63 (2 Low) | 32 (1 Low) | 1 (1 Low) | 13 (2 Low) | 20 (2 Low) *2 | 02/10/2025 19:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 43 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 02/10/2025 23:00:00 |
| Tallington Timeseries Graph |
76 (3 Low) | n/m | n/m | 14 (2 Low) | 19 (2 Low) *2 | 02/10/2025 20:00:00 |
| Toft Newton Timeseries Graph |
64 (2 Low) | 9 (1 Low) | n/m | 12 (2 Low) | 16 (1 Low) *2 | 02/10/2025 16:00:00 |
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 | 14 (2 Low) | 19 (2 Low) *2 | 02/10/2025 14:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 01/10/2025 22:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 14 (2 Low) | n/m | 02/10/2025 18:00:00 |
| Norwich Lakenfields Timeseries Graph |
74 (3 Low) | 16 (1 Low) | n/m | 13 (2 Low) | 18 (2 Low) *2 | 02/10/2025 21:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 20 (2 Low) *2 | 02/10/2025 19:00:00 |
| Sibton Timeseries Graph |
69 (3 Low) | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/10/2025 22:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 16 (1 Low) *2 | 02/10/2025 03:00:00 |
| Southend-on-Sea Timeseries Graph |
73 (3 Low) | 36 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *2 | 02/10/2025 15:00:00 |
| St Osyth Timeseries Graph |
84 (3 Low) | 11 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 02/10/2025 23:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 15 (2 Low) | 20 (2 Low) *1 | 02/10/2025 15:00:00 |
| Thurrock Timeseries Graph |
69 (3 Low) | 43 (1 Low) | 4 (1 Low) | 12 (2 Low) | 21 (2 Low) *2 | 02/10/2025 09:45:00 |
| Weybourne Timeseries Graph |
71 (3 Low) | n/m | n/m | 14 (2 Low) | 18 (2 Low) *2 | 02/10/2025 21:00:00 |
| Wicken Fen Timeseries Graph |
73 (3 Low) | 10 (1 Low) | 5 (1 Low) | 13 (2 Low) | 18 (2 Low) *2 | 02/10/2025 03:15:00 |
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 | 59 (1 Low) | n/m | 17 (2 Low) | 26 (2 Low) *1 | 02/10/2025 12:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 44 (3 Low) *1 | 02/10/2025 09:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 01/10/2025 24:00: |
| London Bexley Timeseries Graph |
n/m | 39 (1 Low) | n/m | 12 (2 Low) | 17 (2 Low) *2 | 02/10/2025 14:00:00 |
| London Bloomsbury Timeseries Graph |
67 (3 Low) | 53 (1 Low) | 1 (1 Low) | 13 (2 Low) | 21 (2 Low) *2 | 02/10/2025 22:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 62 (1 Low) | n/m | 17 (2 Low) | n/m | 02/10/2025 14:00:00 |
| London Haringey Priory Park South Timeseries Graph |
74 (3 Low) | 43 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 02/10/2025 15:00:00 |
| London Harlington Timeseries Graph |
54 (2 Low) | 75 (2 Low) | n/m | 12 (2 Low) | 16 (1 Low) *2 | 02/10/2025 15:00:00 |
| London Hillingdon Timeseries Graph |
38 (2 Low) | 65 (1 Low) | n/m | 17 (2 Low) | 35 (3 Low) *2 | 02/10/2025 14:00:00 |
| London Honor Oak Park Timeseries Graph |
83 (3 Low) | n/m | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 14:00:00 |
| London Marylebone Road Timeseries Graph |
40 (2 Low) | 50 (1 Low) | 4 (1 Low) | 18 (2 Low) | 29 (2 Low) *1 | 02/10/2025 09:45:00 |
| London N. Kensington Timeseries Graph |
75 (3 Low) | 34 (1 Low) | 1 (1 Low) | 12 (2 Low) | 17 (2 Low) *2 | 02/10/2025 13:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 14:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 02/10/2025 22:00:00 |
| London Westminster Timeseries Graph |
68 (3 Low) | 47 (1 Low) | n/m | n/a | n/m | 21/07/2025 16:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 01/10/2025 24:00: |
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 |
58 (2 Low) | 22 (1 Low) | n/m | n/m | n/m | 02/10/2025 23:00:00 |
| Inverness Timeseries Graph |
n/m | 16 (1 Low) | n/m | 1 (1 Low) | 3 (1 Low) *2 | 02/10/2025 15:00:00 |
| Lerwick Timeseries Graph |
60 (2 Low) | n/m | n/m | n/m | n/m | 02/10/2025 23:00:00 |
| Strathvaich Timeseries Graph |
64 (2 Low) | n/m | n/m | n/m | n/m | 02/10/2025 09:00:00 |
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 |
60 (2 Low) | 26 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 02/10/2025 23:00:00 |
| Kielder Water Timeseries Graph |
61 (2 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 02/10/2025 23:00:00 |
| Middlesbrough Timeseries Graph |
62 (2 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 14 (1 Low) *1 | 02/10/2025 21:15:00 |
| Newcastle Centre Timeseries Graph |
51 (2 Low) | 29 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *1 | 02/10/2025 01:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 02/10/2025 23:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 8 (1 Low) | n/m | 02/10/2025 23:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 13 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 02/10/2025 23:00:00 |
| Sunderland Silksworth Timeseries Graph |
58 (2 Low) | 12 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 02/10/2025 23:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 21 (1 Low) | n/m | 8 (1 Low) | n/m | 02/10/2025 23:00:00 |
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) | 22 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/10/2025 23:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 02/10/2025 09:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 02/10/2025 14:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 02/10/2025 08:00:00 |
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 |
74 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 02/10/2025 23:00:00 |
| Wrexham Timeseries Graph |
n/m | 31 (1 Low) | 3 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 02/10/2025 09:15:00 |
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 | 29 (1 Low) | n/m | 8 (1 Low) | n/m | 02/10/2025 22:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 02/10/2025 18:00:00 |
| Blackburn Audley Park Timeseries Graph |
62 (2 Low) | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 02/10/2025 23:00:00 |
| Blackpool Marton Timeseries Graph |
58 (2 Low) | 24 (1 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 02/10/2025 22:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 02/10/2025 23:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 02/10/2025 09:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 02/10/2025 23:00:00 |
| Crewe Coppenhall Timeseries Graph |
63 (2 Low) | 27 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/10/2025 23:00:00 |
| Glazebury Timeseries Graph |
66 (2 Low) | 9 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 02/10/2025 23:00:00 |
| Liverpool Speke Timeseries Graph |
54 (2 Low) | 26 (1 Low) | 27 (1 Low) | 10 (1 Low) | 17 (2 Low) *1 | 02/10/2025 23:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
61 (2 Low) | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 02/10/2025 22:00:00 |
| Manchester Piccadilly Timeseries Graph |
61 (2 Low) | 25 (1 Low) | 1 (1 Low) | 10 (1 Low) | 14 (1 Low) *2 | 02/10/2025 20:45:00 |
| Manchester Sharston Timeseries Graph |
64 (2 Low) | 11 (1 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 02/10/2025 21:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 02/10/2025 23:00:00 |
| Preston Timeseries Graph |
60 (2 Low) | 18 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/10/2025 23:00:00 |
| Salford Eccles Timeseries Graph |
69 (3 Low) | 23 (1 Low) | n/m | 12 (2 Low) | 19 (2 Low) *2 | 02/10/2025 22:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 02/10/2025 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 02/10/2025 19:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 02/10/2025 06:00:00 |
| Warrington Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/a | 14 (1 Low) *1 | 28/09/2025 05:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 02/10/2025 17:00:00 |
| Wigan Centre Timeseries Graph |
58 (2 Low) | 36 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 02/10/2025 23:00:00 |
| Wirral Tranmere Timeseries Graph |
64 (2 Low) | 13 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 02/10/2025 22:00:00 |
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 | 32 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 02/10/2025 10:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 02/10/2025 08:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 15 (1 Low) | 2 (1 Low) | n/m | n/m | 02/10/2025 23:00:00 |
| Belfast Centre Timeseries Graph |
55 (2 Low) | 24 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 02/10/2025 23:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 78 (2 Low) | n/m | n/m | 14 (1 Low) *1 | 02/10/2025 15:00:00 |
| Derry Rosemount Timeseries Graph |
56 (2 Low) | 7 (1 Low) | 2 (1 Low) | 1 (1 Low) | 4 (1 Low) *1 | 02/10/2025 20:30:00 |
| Lough Navar Timeseries Graph |
55 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 02/10/2025 04:00:00 |
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 | 17 (1 Low) | n/m | n/m | n/m | 02/10/2025 09:00:00 |
| Eskdalemuir Timeseries Graph |
71 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 02/10/2025 20:00:00 |
| Peebles Timeseries Graph |
88 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 02/10/2025 23:00:00 |
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 | 11 (1 Low) | n/m | 02/10/2025 14:00:00 |
| Brighton Preston Park Timeseries Graph |
76 (3 Low) | 34 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 20:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *1 | 02/10/2025 01:00:00 |
| Chilbolton Observatory Timeseries Graph |
80 (3 Low) | 15 (1 Low) | 1 (1 Low) | 11 (1 Low) | 14 (1 Low) *2 | 02/10/2025 16:30:00 |
| Eastbourne Timeseries Graph |
76 (3 Low) | 23 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/10/2025 17:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 19:00:00 |
| Horley Timeseries Graph |
n/m | 37 (1 Low) | n/m | 18 (2 Low) | 24 (2 Low) *2 | 02/10/2025 02:00:00 |
| Lullington Heath Timeseries Graph |
83 (3 Low) | 10 (1 Low) | 1 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 02/10/2025 10:45:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 19 (2 Low) *2 | 02/10/2025 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
68 (3 Low) | n/m | n/m | 12 (2 Low) | 16 (1 Low) *2 | 02/10/2025 18:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 19/08/2025 17:00:00 |
| Oxford St Ebbes Timeseries Graph |
63 (2 Low) | 25 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 02/10/2025 23:00:00 |
| Portsmouth Timeseries Graph |
67 (3 Low) | 53 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 02/10/2025 20:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 12 (2 Low) | 19 (2 Low) *2 | 02/10/2025 21:00:00 |
| Reading London Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 02/10/2025 02:00:00 |
| Reading New Town Timeseries Graph |
63 (2 Low) | 22 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 23:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 02/10/2025 12:00:00 |
| Rochester Stoke Timeseries Graph |
79 (3 Low) | 33 (1 Low) | 2 (1 Low) | 15 (2 Low) | 21 (2 Low) *2 | 02/10/2025 11:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 21 (2 Low) *2 | 02/10/2025 13:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 61 (1 Low) | n/m | 13 (2 Low) | 20 (2 Low) *2 | 02/10/2025 20:00:00 |
| Southampton Centre Timeseries Graph |
64 (2 Low) | 51 (1 Low) | 8 (1 Low) | 15 (2 Low) | 23 (2 Low) *2 | 02/10/2025 22:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 02/10/2025 23:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 11 (1 Low) | n/m | 02/10/2025 20:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 02/10/2025 23:00:00 |
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 |
64 (2 Low) | 37 (1 Low) | 5 (1 Low) | 12 (2 Low) | 22 (2 Low) *1 | 02/10/2025 12:45:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 02/10/2025 08:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 48 (1 Low) | n/m | 13 (2 Low) | 19 (2 Low) *1 | 02/10/2025 20:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
75 (3 Low) | 20 (1 Low) | n/m | n/m | n/m | 02/10/2025 23:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | n/m | 02/10/2025 10:00:00 |
| Narberth Timeseries Graph |
84 (3 Low) | 5 (1 Low) | 1 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 02/10/2025 19:45:00 |
| Newport Timeseries Graph |
n/m | 35 (1 Low) | n/m | 13 (2 Low) | 24 (2 Low) *2 | 02/10/2025 23:00:00 |
| Port Talbot Margam Timeseries Graph |
70 (3 Low) | 38 (1 Low) | 2 (1 Low) | 6 (1 Low) | 24 (2 Low) *3 | 02/10/2025 09:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *1 | 02/10/2025 16:00:00 |
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 | 11 (1 Low) | 15 (1 Low) *2 | 02/10/2025 06:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 02/10/2025 02:00:00 |
| Bournemouth Timeseries Graph |
81 (3 Low) | 26 (1 Low) | n/m | 13 (2 Low) | n/m | 02/10/2025 23:00:00 |
| Bristol St Paul's Timeseries Graph |
61 (2 Low) | 53 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *1 | 02/10/2025 20:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 54 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 02/10/2025 21:00:00 |
| Charlton Mackrell Timeseries Graph |
76 (3 Low) | 13 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 02/10/2025 21:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 02/10/2025 18:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | 13 (2 Low) | n/m | 02/10/2025 01:00:00 |
| Exeter Roadside Timeseries Graph |
58 (2 Low) | 48 (1 Low) | n/m | n/m | n/m | 02/10/2025 21:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 17 (2 Low) *2 | 02/10/2025 18:00:00 |
| Honiton Timeseries Graph |
77 (3 Low) | 24 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/10/2025 20:00:00 |
| Plymouth Centre Timeseries Graph |
66 (2 Low) | 49 (1 Low) | n/m | 12 (2 Low) | 20 (2 Low) *2 | 02/10/2025 20:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 01/10/2025 23:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 19 (2 Low) *1 | 02/10/2025 08:00:00 |
| Swindon Walcot Timeseries Graph |
77 (3 Low) | 26 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 02/10/2025 23:00:00 |
| Yarner Wood Timeseries Graph |
80 (3 Low) | 13 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 02/10/2025 22:00:00 |
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 |
70 (3 Low) | n/m | n/m | n/m | n/m | 01/10/2025 23:00:00 |
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 |
50 (2 Low) | 53 (1 Low) | n/m | 13 (2 Low) | 22 (2 Low) *2 | 02/10/2025 19:00:00 |
| Birmingham Hall Green Timeseries Graph |
79 (3 Low) | 23 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 02/10/2025 23:00:00 |
| Birmingham Ladywood Timeseries Graph |
69 (3 Low) | 28 (1 Low) | 1 (1 Low) | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 12:45:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 16 (1 Low) *2 | 02/10/2025 23:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
72 (3 Low) | 54 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 19:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 10 (1 Low) | n/m | 02/10/2025 21:00:00 |
| Coventry Allesley Timeseries Graph |
66 (2 Low) | 36 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 02/10/2025 20:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 19:00:00 |
| Leamington Spa Timeseries Graph |
72 (3 Low) | 22 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 02/10/2025 20:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 02/10/2025 20:00:00 |
| Leominster Timeseries Graph |
70 (3 Low) | 13 (1 Low) | n/m | n/m | n/m | 02/10/2025 23:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 02/10/2025 19:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/10/2025 23:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 02/10/2025 23:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
62 (2 Low) | 21 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 02/10/2025 23:00:00 |
| Telford Hollinswood Timeseries Graph |
58 (2 Low) | 20 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 02/10/2025 23:00:00 |
| Walsall Woodlands Timeseries Graph |
76 (3 Low) | 28 (1 Low) | n/m | n/m | n/m | 02/10/2025 23:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
72 (3 Low) | 34 (1 Low) | n/m | n/m | n/m | 02/10/2025 22:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 17 (2 Low) *2 | 02/10/2025 23:00:00 |
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 |
67 (3 Low) | 25 (1 Low) | 2 (1 Low) | 8 (1 Low) | 12 (1 Low) *2 | 02/10/2025 10:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 02/10/2025 08:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 02/10/2025 20:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
59 (2 Low) | 39 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 02/10/2025 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 43 (1 Low) | n/m | 11 (1 Low) | n/m | 02/10/2025 13:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 02/10/2025 23:00:00 |
| High Muffles Timeseries Graph |
59 (2 Low) | 11 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/10/2025 19:00:00 |
| Hull Freetown Timeseries Graph |
62 (2 Low) | 32 (1 Low) | 1 (1 Low) | 14 (2 Low) | 22 (2 Low) *2 | 02/10/2025 02:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | 13 (2 Low) | 20 (2 Low) *2 | 02/10/2025 23:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
66 (2 Low) | 15 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 02/10/2025 19:00:00 |
| Leeds Centre Timeseries Graph |
50 (2 Low) | 50 (1 Low) | 2 (1 Low) | 10 (1 Low) | 17 (2 Low) *2 | 02/10/2025 09:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 12 (2 Low) | 35 (3 Low) *1 | 02/10/2025 01:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 14 (1 Low) *2 | 02/10/2025 21:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 16 (1 Low) | 2 (1 Low) | 13 (2 Low) | 20 (2 Low) *1 | 02/10/2025 10:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | 10 (1 Low) | n/m | 02/10/2025 02:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
52 (2 Low) | 28 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 02/10/2025 21:00:00 |
| Sheffield Tinsley Timeseries Graph |
52 (2 Low) | 39 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 02/10/2025 22:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 02/10/2025 01:00:00 |
| York Bootham Timeseries Graph |
53 (2 Low) | 21 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *1 | 02/10/2025 03:00:00 |
| York Fishergate Timeseries Graph |
n/m | 34 (1 Low) | n/m | 7 (1 Low) | 22 (2 Low) *1 | 02/10/2025 02:00:00 |
Legend
- n/m means that the pollutant is not measured at that site
- n/a means that no data were recorded for the period
- *1: measurements are PM10 BAM 1020 heated
- *2: measurements are PM10 FIDAS
- *3: measurements are PM10 SEQ 47/50