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 8pm Sun 1st Nov 2026
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 |
49 (2 Low) | n/m | n/m | 11 (1 Low) | 14 (1 Low) *2 | 01/11/2026 03:00 |
| Bush Estate Timeseries Graph |
57 (2 Low) | 11 (1 Low) | n/m | n/m | n/m | 01/11/2026 16:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 01/11/2026 19:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 01/11/2026 18:00 |
| Edinburgh St Leonards Timeseries Graph |
48 (2 Low) | 31 (1 Low) | 1 (1 Low) | 12 (2 Low) | 16 (1 Low) *2 | 01/11/2026 01:30 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 01/11/2026 20:00 |
| Glasgow High Street Timeseries Graph |
n/m | 43 (1 Low) | n/m | 17 (2 Low) | 23 (2 Low) *2 | 31/10/2026 24:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 01/11/2026 20:00 |
| Glasgow Townhead Timeseries Graph |
52 (2 Low) | 26 (1 Low) | n/m | 14 (2 Low) | 19 (2 Low) *2 | 31/10/2026 24:00 |
| Grangemouth Timeseries Graph |
n/m | 32 (1 Low) | 1 (1 Low) | 14 (2 Low) | 20 (2 Low) *1 | 01/11/2026 09:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 01/11/2026 17:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 8 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 31/10/2026 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 |
42 (2 Low) | 18 (1 Low) | n/m | 19 (2 Low) | 22 (2 Low) *2 | 01/11/2026 06:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *2 | 01/11/2026 06:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 34 (1 Low) | n/m | 27 (3 Low) | n/m | 01/11/2026 08:00 |
| Derby Stockbrook Park Timeseries Graph |
35 (2 Low) | n/m | n/m | 29 (3 Low) | 34 (3 Low) *2 | 01/11/2026 08:00 |
| Ladybower Timeseries Graph |
47 (2 Low) | 15 (1 Low) | 1 (1 Low) | 15 (2 Low) | 18 (2 Low) *2 | 31/10/2026 20:30 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *2 | 01/11/2026 14:00 |
| Leicester University Timeseries Graph |
n/a | 34 (1 Low) | n/m | 17 (2 Low) | 20 (2 Low) *2 | 01/11/2026 17:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 31/10/2026 21:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 25 (3 Low) | 29 (2 Low) *2 | 01/11/2026 16:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 26 (3 Low) | 30 (2 Low) *2 | 01/11/2026 09:00 |
| Northampton Spring Park Timeseries Graph |
39 (2 Low) | 19 (1 Low) | n/m | 21 (2 Low) | n/m | 31/10/2026 24:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 27 (3 Low) | 31 (2 Low) *2 | 01/11/2026 11:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
39 (2 Low) | 35 (1 Low) | 3 (1 Low) | 36 (4 Moderate) | 42 (3 Low) *2 | 01/11/2026 00:15 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 38 (1 Low) | n/m | 34 (3 Low) | 41 (3 Low) *2 | 01/11/2026 12:00 |
| Tallington Timeseries Graph |
35 (2 Low) | n/m | n/m | 17 (2 Low) | 20 (2 Low) *2 | 01/11/2026 20:00 |
| Toft Newton Timeseries Graph |
52 (2 Low) | 28 (1 Low) | n/m | 17 (2 Low) | 20 (2 Low) *2 | 01/11/2026 14:00 |
| Wigston Centre Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 22 (2 Low) *2 | 31/10/2026 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 | 36 (1 Low) | n/m | 22 (2 Low) | 27 (2 Low) *2 | 01/11/2026 01:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 21 (2 Low) *2 | 01/11/2026 20:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 31/10/2026 21:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 19 (2 Low) | n/m | 31/10/2026 24:00 |
| Norwich Lakenfields Timeseries Graph |
30 (1 Low) | 28 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 01/11/2026 19:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 27 (3 Low) | 32 (2 Low) *2 | 01/11/2026 12:00 |
| Sibton Timeseries Graph |
35 (2 Low) | n/m | n/m | n/a | n/a | 20/10/2026 24:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 08/09/2026 24:00 |
| Southend-on-Sea Timeseries Graph |
30 (1 Low) | 32 (1 Low) | n/m | 24 (3 Low) | 29 (2 Low) *2 | 01/11/2026 01:00 |
| St Osyth Timeseries Graph |
43 (2 Low) | 21 (1 Low) | n/m | 19 (2 Low) | 24 (2 Low) *2 | 01/11/2026 02:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 32 (3 Low) | 25 (2 Low) *1 | 01/11/2026 02:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 03/09/2026 24:00 |
| Thurrock Timeseries Graph |
37 (2 Low) | 33 (1 Low) | 3 (1 Low) | 24 (3 Low) | 29 (2 Low) *2 | 31/10/2026 21:00 |
| Weybourne Timeseries Graph |
31 (1 Low) | n/m | n/m | 18 (2 Low) | 21 (2 Low) *2 | 01/11/2026 20:00 |
| Wicken Fen Timeseries Graph |
24 (1 Low) | 14 (1 Low) | 1 (1 Low) | 16 (2 Low) | 18 (2 Low) *2 | 31/10/2026 22:30 |
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 | 37 (1 Low) | n/m | 27 (3 Low) | 34 (3 Low) *1 | 01/11/2026 05:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 36 (3 Low) *1 | 01/11/2026 03:00 |
| Haringey Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 31/10/2026 22:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | n/m | 01/11/2026 08:00 |
| London Bexley Timeseries Graph |
n/m | 33 (1 Low) | n/m | 24 (3 Low) | 29 (2 Low) *2 | 01/11/2026 09:00 |
| London Bloomsbury Timeseries Graph |
35 (2 Low) | 42 (1 Low) | 2 (1 Low) | 21 (2 Low) | 26 (2 Low) *2 | 01/11/2026 00:45 |
| London Farringdon Street Timeseries Graph |
n/m | 48 (1 Low) | n/m | 28 (3 Low) | n/m | 01/11/2026 06:00 |
| London Haringey Priory Park South Timeseries Graph |
36 (2 Low) | 33 (1 Low) | n/m | 23 (2 Low) | 27 (2 Low) *2 | 01/11/2026 07:00 |
| London Harlington Timeseries Graph |
35 (2 Low) | 40 (1 Low) | n/m | 19 (2 Low) | 24 (2 Low) *2 | 01/11/2026 05:00 |
| London Hillingdon Timeseries Graph |
37 (2 Low) | 44 (1 Low) | n/m | 24 (3 Low) | 30 (2 Low) *2 | 01/11/2026 02:00 |
| London Honor Oak Park Timeseries Graph |
45 (2 Low) | n/m | n/m | 25 (3 Low) | 29 (2 Low) *2 | 01/11/2026 09:00 |
| London Marylebone Road Timeseries Graph |
47 (2 Low) | 41 (1 Low) | 1 (1 Low) | 27 (3 Low) | 33 (2 Low) *1 | 31/10/2026 20:15 |
| London N. Kensington Timeseries Graph |
47 (2 Low) | 42 (1 Low) | 1 (1 Low) | 22 (2 Low) | 27 (2 Low) *2 | 01/11/2026 03:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 25 (3 Low) | 29 (2 Low) *2 | 01/11/2026 05:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 21 (2 Low) | 25 (2 Low) *2 | 01/11/2026 05:00 |
| London Westminster Timeseries Graph |
40 (2 Low) | 49 (1 Low) | n/m | n/m | n/m | 01/11/2026 19:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | 44 (3 Low) *1 | 31/10/2026 21:00 |
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 |
56 (2 Low) | 25 (1 Low) | n/m | n/m | n/m | 01/11/2026 01:00 |
| Inverness Timeseries Graph |
n/m | 55 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/10/2026 24:00 |
| Lerwick Timeseries Graph |
72 (3 Low) | n/m | n/m | n/m | n/m | 01/11/2026 20:00 |
| Strathvaich Timeseries Graph |
69 (3 Low) | n/m | n/m | n/m | n/m | 01/11/2026 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 |
| Ashington Centre Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 18 (2 Low) *2 | 31/10/2026 24:00 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 26 (2 Low) *2 | 31/10/2026 24:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
71 (3 Low) | 19 (1 Low) | n/m | 22 (2 Low) | 25 (2 Low) *2 | 31/10/2026 24:00 |
| Kielder Water Timeseries Graph |
43 (2 Low) | n/m | n/m | 10 (1 Low) | 12 (1 Low) *2 | 01/11/2026 09:00 |
| Middlesbrough Timeseries Graph |
62 (2 Low) | 34 (1 Low) | 1 (1 Low) | 16 (2 Low) | 19 (2 Low) *1 | 31/10/2026 20:30 |
| Newcastle Centre Timeseries Graph |
55 (2 Low) | 24 (1 Low) | n/m | 16 (2 Low) | 21 (2 Low) *1 | 31/10/2026 24:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 18 (2 Low) | 22 (2 Low) *2 | 31/10/2026 24:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 21 (2 Low) *2 | 31/10/2026 24:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 25 (2 Low) *2 | 31/10/2026 24:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 20 (2 Low) | n/m | 31/10/2026 24:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 21 (1 Low) | n/m | 23 (2 Low) | 24 (2 Low) *1 | 31/10/2026 24:00 |
| Sunderland Silksworth Timeseries Graph |
70 (3 Low) | 38 (1 Low) | n/m | 21 (2 Low) | 24 (2 Low) *2 | 31/10/2026 24:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 31 (1 Low) | n/m | 20 (2 Low) | n/m | 31/10/2026 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 |
61 (2 Low) | 35 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/10/2026 24:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 31/10/2026 22:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 01/11/2026 20:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 01/11/2026 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 |
53 (2 Low) | 9 (1 Low) | n/m | n/m | n/m | 01/11/2026 12:00 |
| Wrexham Timeseries Graph |
n/m | 34 (1 Low) | 2 (1 Low) | 17 (2 Low) | 19 (2 Low) *2 | 31/10/2026 22:45 |
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 | 41 (1 Low) | n/m | 31 (3 Low) | n/m | 01/11/2026 14:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 31/10/2026 21:00 |
| Blackburn Audley Park Timeseries Graph |
22 (1 Low) | n/m | n/m | 34 (3 Low) | 40 (3 Low) *2 | 01/11/2026 16:00 |
| Blackpool Marton Timeseries Graph |
34 (2 Low) | 29 (1 Low) | n/m | 27 (3 Low) | 31 (2 Low) *2 | 01/11/2026 12:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 32 (3 Low) | n/m | 01/11/2026 13:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | 34 (3 Low) *1 | 01/11/2026 13:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 58 (1 Low) | n/m | 22 (2 Low) | 24 (2 Low) *1 | 01/11/2026 09:00 |
| Crewe Coppenhall Timeseries Graph |
20 (1 Low) | 38 (1 Low) | n/m | 27 (3 Low) | 31 (2 Low) *2 | 01/11/2026 17:00 |
| Glazebury Timeseries Graph |
24 (1 Low) | 24 (1 Low) | n/m | 26 (3 Low) | 29 (2 Low) *2 | 01/11/2026 15:00 |
| Liverpool Speke Timeseries Graph |
24 (1 Low) | 40 (1 Low) | 7 (1 Low) | 28 (3 Low) | 36 (3 Low) *1 | 01/11/2026 09:15 |
| Liverpool Thirlmere Park Timeseries Graph |
27 (1 Low) | n/m | n/m | 27 (3 Low) | 31 (2 Low) *2 | 01/11/2026 13:00 |
| Manchester Piccadilly Timeseries Graph |
16 (1 Low) | 54 (1 Low) | 6 (1 Low) | 42 (5 Moderate) | 52 (4 Moderate) *2 | 01/11/2026 09:00 |
| Manchester Sharston Timeseries Graph |
19 (1 Low) | 52 (1 Low) | n/m | 25 (3 Low) | 29 (2 Low) *2 | 01/11/2026 17:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 28 (3 Low) | n/m | 01/11/2026 17:00 |
| Preston Timeseries Graph |
16 (1 Low) | 38 (1 Low) | n/m | 24 (3 Low) | 29 (2 Low) *2 | 01/11/2026 16:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 26 (3 Low) | 31 (2 Low) *2 | 01/11/2026 12:00 |
| Salford Eccles Timeseries Graph |
20 (1 Low) | 51 (1 Low) | n/m | 43 (5 Moderate) | 53 (4 Moderate) *2 | 01/11/2026 15:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 01/11/2026 12:00 |
| St Helens Linkway Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | 43 (3 Low) *1 | 31/10/2026 18:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 27 (3 Low) | n/m | 01/11/2026 15:00 |
| Warrington St. Peter's Park Timeseries Graph |
n/m | 47 (1 Low) | n/m | 35 (3 Low) | 41 (3 Low) *2 | 01/11/2026 15:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 31/10/2026 21:00 |
| Wigan Centre Timeseries Graph |
23 (1 Low) | 31 (1 Low) | n/m | 40 (4 Moderate) | 46 (3 Low) *2 | 01/11/2026 18:00 |
| Wirral Tranmere Timeseries Graph |
27 (1 Low) | 45 (1 Low) | n/m | 32 (3 Low) | 37 (3 Low) *2 | 01/11/2026 14:00 |
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 | 37 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 01/11/2026 20:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 01/11/2026 19:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 28 (1 Low) | 45 (1 Low) | n/m | n/m | 01/11/2026 20:00 |
| Belfast Centre Timeseries Graph |
69 (3 Low) | 32 (1 Low) | 1 (1 Low) | 11 (1 Low) | 17 (2 Low) *2 | 31/10/2026 23:15 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 01/11/2026 18:00 |
| Derry Rosemount Timeseries Graph |
56 (2 Low) | 35 (1 Low) | 12 (1 Low) | 11 (1 Low) | 19 (2 Low) *1 | 01/11/2026 18:00 |
| Lough Navar Timeseries Graph |
52 (2 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 31/10/2026 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 | 34 (1 Low) | n/m | n/m | n/m | 31/10/2026 20:00 |
| Eskdalemuir Timeseries Graph |
47 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 01/11/2026 18:00 |
| Peebles Timeseries Graph |
52 (2 Low) | 17 (1 Low) | n/m | n/m | n/m | 01/11/2026 16:00 |
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 | 18 (2 Low) | n/m | 31/10/2026 24:00 |
| Brighton Preston Park Timeseries Graph |
32 (1 Low) | 53 (1 Low) | n/m | 22 (2 Low) | 26 (2 Low) *2 | 01/11/2026 03:00 |
| Chatham Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 22 (2 Low) | 36 (3 Low) *1 | 01/11/2026 02:00 |
| Chilbolton Observatory Timeseries Graph |
39 (2 Low) | 25 (1 Low) | 1 (1 Low) | 18 (2 Low) | 21 (2 Low) *2 | 01/11/2026 14:30 |
| Eastbourne Timeseries Graph |
37 (2 Low) | 33 (1 Low) | n/m | 21 (2 Low) | 24 (2 Low) *2 | 01/11/2026 17:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 23 (2 Low) | 28 (2 Low) *2 | 01/11/2026 04:00 |
| Horley Timeseries Graph |
n/m | 28 (1 Low) | n/m | 22 (2 Low) | 26 (2 Low) *2 | 01/11/2026 02:00 |
| Lullington Heath Timeseries Graph |
37 (2 Low) | 31 (1 Low) | 1 (1 Low) | 17 (2 Low) | 19 (2 Low) *2 | 01/11/2026 00:45 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 33 (3 Low) | 40 (3 Low) *2 | 01/11/2026 17:00 |
| Milton Keynes Civic Centre Timeseries Graph |
n/a | n/m | n/m | 21 (2 Low) | 24 (2 Low) *2 | 31/10/2026 24:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 31/10/2026 21:00 |
| Oxford St Ebbes Timeseries Graph |
37 (2 Low) | 23 (1 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 31/10/2026 23:00 |
| Portsmouth Timeseries Graph |
30 (1 Low) | 36 (1 Low) | n/m | 15 (2 Low) | 18 (2 Low) *2 | 31/10/2026 24:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 19 (2 Low) | 23 (2 Low) *2 | 31/10/2026 24:00 |
| Reading London Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 31/10/2026 21:00 |
| Reading New Town Timeseries Graph |
28 (1 Low) | 32 (1 Low) | n/m | 19 (2 Low) | 24 (2 Low) *2 | 01/11/2026 04:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 24 (3 Low) | n/m | 01/11/2026 04:00 |
| Rochester Stoke Timeseries Graph |
35 (2 Low) | 31 (1 Low) | 1 (1 Low) | 22 (2 Low) | 26 (2 Low) *2 | 31/10/2026 20:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 23 (2 Low) | 30 (2 Low) *2 | 01/11/2026 01:00 |
| Southampton A33 Timeseries Graph |
n/m | 33 (1 Low) | n/m | 17 (2 Low) | 21 (2 Low) *2 | 01/11/2026 02:00 |
| Southampton Centre Timeseries Graph |
22 (1 Low) | 43 (1 Low) | 2 (1 Low) | 20 (2 Low) | 26 (2 Low) *2 | 31/10/2026 20:15 |
| Storrington Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 17 (2 Low) | 23 (2 Low) *2 | 01/11/2026 01:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 21 (2 Low) | n/m | 01/11/2026 03:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 22 (2 Low) *2 | 01/11/2026 04:00 |
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 |
n/a | 38 (1 Low) | 1 (1 Low) | n/a | 25 (2 Low) *1 | 31/10/2026 23:30 |
| Cardiff Newport Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | 28 (2 Low) *1 | 31/10/2026 21:00 |
| Chepstow A48 Timeseries Graph |
n/m | 32 (1 Low) | n/m | 17 (2 Low) | 19 (2 Low) *1 | 01/11/2026 01:00 |
| Cwmbran Crownbridge Timeseries Graph |
57 (2 Low) | 23 (1 Low) | n/m | n/m | n/m | 01/11/2026 17:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 01/11/2026 07:00 |
| Narberth Timeseries Graph |
46 (2 Low) | 7 (1 Low) | 1 (1 Low) | 20 (2 Low) | 26 (2 Low) *2 | 31/10/2026 21:45 |
| Newport Timeseries Graph |
n/m | 27 (1 Low) | n/m | 18 (2 Low) | 22 (2 Low) *2 | 01/11/2026 04:00 |
| Port Talbot Margam Timeseries Graph |
27 (1 Low) | 43 (1 Low) | 2 (1 Low) | 19 (2 Low) | 24 (2 Low) *3 | 01/11/2026 18:00 |
| Swansea Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 22/10/2026 24:00 |
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 | 14 (2 Low) | 18 (2 Low) *2 | 01/11/2026 07:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 01/11/2026 20:00 |
| Bournemouth Timeseries Graph |
28 (1 Low) | 28 (1 Low) | n/m | 20 (2 Low) | n/m | 01/11/2026 04:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 21 (2 Low) | 25 (2 Low) *2 | 01/11/2026 04:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 26 (3 Low) | n/m | 01/11/2026 06:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 23 (2 Low) | 27 (2 Low) *2 | 01/11/2026 03:00 |
| Bristol St Paul's Timeseries Graph |
n/a | 41 (1 Low) | n/m | 32 (3 Low) | 41 (3 Low) *1 | 01/11/2026 04:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 44 (1 Low) | n/m | 31 (3 Low) | 38 (3 Low) *2 | 01/11/2026 03:00 |
| Charlton Mackrell Timeseries Graph |
46 (2 Low) | 15 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *2 | 01/11/2026 02:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 29 (3 Low) | n/m | 01/11/2026 15:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | 19 (2 Low) | n/m | 01/11/2026 04:00 |
| Exeter Roadside Timeseries Graph |
29 (1 Low) | 45 (1 Low) | n/m | n/m | n/m | 01/11/2026 17:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 29 (3 Low) | 35 (3 Low) *2 | 01/11/2026 09:00 |
| Honiton Timeseries Graph |
45 (2 Low) | 15 (1 Low) | n/m | 20 (2 Low) | 23 (2 Low) *2 | 01/11/2026 07:00 |
| Plymouth Centre Timeseries Graph |
28 (1 Low) | 49 (1 Low) | n/m | 16 (2 Low) | 21 (2 Low) *2 | 01/11/2026 07:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 01/11/2026 19:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 21 (2 Low) *1 | 01/11/2026 14:00 |
| Swindon Walcot Timeseries Graph |
32 (1 Low) | 36 (1 Low) | n/m | 19 (2 Low) | 23 (2 Low) *2 | 31/10/2026 24:00 |
| Yarner Wood Timeseries Graph |
42 (2 Low) | 8 (1 Low) | n/m | 14 (2 Low) | 18 (2 Low) *2 | 01/11/2026 05:00 |
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 | 01/11/2026 16:00 |
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 |
| Bedworth Collycroft Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 07/10/2026 24:00 |
| Birmingham A4540 Roadside Timeseries Graph |
35 (2 Low) | 59 (1 Low) | n/m | 29 (3 Low) | 35 (3 Low) *2 | 01/11/2026 05:00 |
| Birmingham Hall Green Timeseries Graph |
42 (2 Low) | 39 (1 Low) | n/m | 26 (3 Low) | 36 (3 Low) *2 | 01/11/2026 05:00 |
| Birmingham Ladywood Timeseries Graph |
38 (2 Low) | 44 (1 Low) | 6 (1 Low) | 28 (3 Low) | 33 (2 Low) *2 | 31/10/2026 22:30 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 24 (3 Low) | 29 (2 Low) *2 | 01/11/2026 05:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
36 (2 Low) | 37 (1 Low) | n/m | 24 (3 Low) | 28 (2 Low) *2 | 01/11/2026 11:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 21 (2 Low) | n/m | 01/11/2026 03:00 |
| Coventry Allesley Timeseries Graph |
40 (2 Low) | 36 (1 Low) | n/m | 21 (2 Low) | 24 (2 Low) *2 | 01/11/2026 17:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *2 | 01/11/2026 15:00 |
| Leamington Spa Timeseries Graph |
41 (2 Low) | 28 (1 Low) | n/m | 20 (2 Low) | 22 (2 Low) *2 | 01/11/2026 17:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | 18 (2 Low) | 20 (2 Low) *2 | 01/11/2026 16:00 |
| Leominster Timeseries Graph |
45 (2 Low) | 16 (1 Low) | n/m | n/m | n/m | 01/11/2026 17:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 56 (1 Low) | n/m | 35 (3 Low) | 42 (3 Low) *2 | 01/11/2026 04:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 20 (2 Low) | 23 (2 Low) *2 | 01/11/2026 01:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | 29 (3 Low) | 34 (3 Low) *2 | 01/11/2026 17:00 |
| Stoke-on-Trent Centre Timeseries Graph |
21 (1 Low) | 41 (1 Low) | n/m | 24 (3 Low) | 29 (2 Low) *2 | 01/11/2026 16:00 |
| Telford Hollinswood Timeseries Graph |
26 (1 Low) | 38 (1 Low) | n/m | 20 (2 Low) | 24 (2 Low) *2 | 01/11/2026 01:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 28 (3 Low) | 33 (2 Low) *2 | 01/11/2026 03:00 |
| Walsall Woodlands Timeseries Graph |
28 (1 Low) | 23 (1 Low) | n/m | n/m | n/m | 01/11/2026 16:00 |
| West Bromwich Kenrick Park Timeseries Graph |
35 (2 Low) | 51 (1 Low) | n/m | n/m | n/m | 01/11/2026 20:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 30 (3 Low) | 36 (3 Low) *2 | 01/11/2026 03:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 23 (2 Low) | 28 (2 Low) *2 | 01/11/2026 02:00 |
Yorkshire & Humberside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnsley Gawber Timeseries Graph |
46 (2 Low) | 29 (1 Low) | 3 (1 Low) | 20 (2 Low) | 25 (2 Low) *2 | 01/11/2026 01:15 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 31/10/2026 20:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 27 (3 Low) | 34 (3 Low) *2 | 01/11/2026 10:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 31 (3 Low) | 41 (3 Low) *2 | 01/11/2026 12:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
50 (2 Low) | 34 (1 Low) | n/m | 21 (2 Low) | 24 (2 Low) *2 | 01/11/2026 12:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 47 (1 Low) | n/m | 27 (3 Low) | n/m | 01/11/2026 09:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 25 (2 Low) *2 | 31/10/2026 24:00 |
| High Muffles Timeseries Graph |
57 (2 Low) | 14 (1 Low) | n/m | 14 (2 Low) | 16 (1 Low) *2 | 01/11/2026 09:00 |
| Hull Freetown Timeseries Graph |
44 (2 Low) | 44 (1 Low) | 5 (1 Low) | 24 (3 Low) | 30 (2 Low) *2 | 31/10/2026 20:30 |
| Hull Holderness Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 30 (3 Low) | 36 (3 Low) *2 | 01/11/2026 09:00 |
| Immingham Woodlands Avenue Timeseries Graph |
49 (2 Low) | 22 (1 Low) | n/m | 21 (2 Low) | 24 (2 Low) *2 | 01/11/2026 11:00 |
| Leeds Centre Timeseries Graph |
51 (2 Low) | 50 (1 Low) | 3 (1 Low) | 24 (3 Low) | 29 (2 Low) *2 | 31/10/2026 20:15 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 29 (3 Low) | 35 (3 Low) *1 | 01/11/2026 07:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 33 (3 Low) | 39 (3 Low) *2 | 01/11/2026 14:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 38 (1 Low) | 3 (1 Low) | 22 (2 Low) | 26 (2 Low) *1 | 31/10/2026 20:15 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 23 (2 Low) | n/m | 01/11/2026 09:00 |
| Sheffield Devonshire Green Timeseries Graph |
43 (2 Low) | 36 (1 Low) | n/m | 25 (3 Low) | 30 (2 Low) *2 | 01/11/2026 10:00 |
| Sheffield Tinsley Timeseries Graph |
37 (2 Low) | 36 (1 Low) | n/m | 22 (2 Low) | 29 (2 Low) *2 | 01/11/2026 09:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 30 (3 Low) | 36 (3 Low) *2 | 01/11/2026 07:00 |
| York Bootham Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 25/10/2026 24:00 |
| York Fishergate Timeseries Graph |
n/m | 30 (1 Low) | n/m | 19 (2 Low) | 29 (2 Low) *1 | 01/11/2026 05:00 |
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