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 Wed 28th Oct 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 |
65 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 28/10/2026 04:00 |
| Bush Estate Timeseries Graph |
75 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 27/10/2026 18:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 28/10/2026 10:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 28/10/2026 16:00 |
| Edinburgh St Leonards Timeseries Graph |
65 (2 Low) | 13 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 13:45 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| Glasgow High Street Timeseries Graph |
n/m | 23 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/10/2026 17:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| Glasgow Townhead Timeseries Graph |
67 (3 Low) | 15 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 15:00 |
| Grangemouth Timeseries Graph |
n/m | 8 (1 Low) | 2 (1 Low) | 9 (1 Low) | 14 (1 Low) *1 | 28/10/2026 09:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 28/10/2026 16:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/10/2026 17:00 |
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) | 9 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 17:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 17:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 48 (1 Low) | n/m | 7 (1 Low) | n/m | 28/10/2026 09:00 |
| Derby Stockbrook Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 09:00 |
| Ladybower Timeseries Graph |
64 (2 Low) | 7 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 28/10/2026 13:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 17:00 |
| Leicester University Timeseries Graph |
55 (2 Low) | 27 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 09:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 09:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 28/10/2026 09:00 |
| Northampton Spring Park Timeseries Graph |
64 (2 Low) | 20 (1 Low) | n/m | 10 (1 Low) | n/m | 28/10/2026 17:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 09:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
59 (2 Low) | 24 (1 Low) | 1 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 27/10/2026 17:15 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 79 (2 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 09:00 |
| Tallington Timeseries Graph |
68 (3 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 09:00 |
| Toft Newton Timeseries Graph |
76 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 28/10/2026 17:00 |
| Wigston Centre Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 10:00 |
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 | 24 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 17:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 13:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 28/10/2026 15:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 5 (1 Low) | n/m | 28/10/2026 11:00 |
| Norwich Lakenfields Timeseries Graph |
57 (2 Low) | 13 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 14:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 28/10/2026 10:00 |
| Sibton Timeseries Graph |
53 (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 |
56 (2 Low) | 32 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 13:00 |
| St Osyth Timeseries Graph |
67 (3 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 13:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *1 | 28/10/2026 09:00 |
| 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 |
54 (2 Low) | 37 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 27/10/2026 20:15 |
| Weybourne Timeseries Graph |
54 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 28/10/2026 15:00 |
| Wicken Fen Timeseries Graph |
62 (2 Low) | 9 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 27/10/2026 17:30 |
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 | 9 (1 Low) | 21 (2 Low) *1 | 28/10/2026 11:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 32 (2 Low) *1 | 28/10/2026 16:00 |
| Haringey Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 27/10/2026 20:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 28/10/2026 12:00 |
| London Bexley Timeseries Graph |
n/m | 41 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 12:00 |
| London Bloomsbury Timeseries Graph |
56 (2 Low) | 27 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 27/10/2026 21:15 |
| London Farringdon Street Timeseries Graph |
n/m | 41 (1 Low) | n/m | 8 (1 Low) | n/m | 28/10/2026 11:00 |
| London Haringey Priory Park South Timeseries Graph |
54 (2 Low) | 28 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 12:00 |
| London Harlington Timeseries Graph |
57 (2 Low) | 50 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 28/10/2026 11:00 |
| London Hillingdon Timeseries Graph |
50 (2 Low) | 53 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 28/10/2026 11:00 |
| London Honor Oak Park Timeseries Graph |
71 (3 Low) | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 28/10/2026 12:00 |
| London Marylebone Road Timeseries Graph |
40 (2 Low) | 55 (1 Low) | 3 (1 Low) | 11 (1 Low) | 23 (2 Low) *1 | 28/10/2026 14:15 |
| London N. Kensington Timeseries Graph |
60 (2 Low) | 23 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 27/10/2026 17:15 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 12:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 11:00 |
| London Westminster Timeseries Graph |
57 (2 Low) | 24 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 28/10/2026 07:00 |
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 |
77 (3 Low) | 74 (2 Low) | n/m | n/m | n/m | 27/10/2026 18:00 |
| Inverness Timeseries Graph |
n/m | 17 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 28/10/2026 17:00 |
| Lerwick Timeseries Graph |
83 (3 Low) | n/m | n/m | n/m | n/m | 28/10/2026 02:00 |
| Strathvaich Timeseries Graph |
79 (3 Low) | n/m | n/m | n/m | n/m | 27/10/2026 18:00 |
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 | 4 (1 Low) | 8 (1 Low) *2 | 28/10/2026 05:00 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 28/10/2026 06:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
69 (3 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 07:00 |
| Kielder Water Timeseries Graph |
58 (2 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 28/10/2026 04:00 |
| Middlesbrough Timeseries Graph |
68 (3 Low) | 13 (1 Low) | 1 (1 Low) | 3 (1 Low) | 13 (1 Low) *1 | 27/10/2026 17:15 |
| Newcastle Centre Timeseries Graph |
58 (2 Low) | 36 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *1 | 28/10/2026 16:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 28/10/2026 05:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 28/10/2026 05:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 28/10/2026 06:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 6 (1 Low) | n/m | 28/10/2026 05:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 5 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 28/10/2026 07:00 |
| Sunderland Silksworth Timeseries Graph |
74 (3 Low) | 12 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 06:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 5 (1 Low) | n/m | 28/10/2026 05:00 |
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 |
70 (3 Low) | 36 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 27/10/2026 24:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 28/10/2026 16:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 28/10/2026 09:00 |
North Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aston Hill Timeseries Graph |
71 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| Wrexham Timeseries Graph |
n/m | 21 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 28/10/2026 07:15 |
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 | 22 (1 Low) | n/m | 7 (1 Low) | n/m | 28/10/2026 17:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| Blackburn Audley Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 17:00 |
| Blackpool Marton Timeseries Graph |
70 (3 Low) | 11 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *2 | 28/10/2026 17:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 28/10/2026 17:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 27/10/2026 20:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 12 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *1 | 28/10/2026 05:00 |
| Crewe Coppenhall Timeseries Graph |
66 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 28/10/2026 17:00 |
| Glazebury Timeseries Graph |
64 (2 Low) | 20 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/10/2026 17:00 |
| Liverpool Speke Timeseries Graph |
63 (2 Low) | 17 (1 Low) | 7 (1 Low) | 6 (1 Low) | 15 (1 Low) *1 | 28/10/2026 05:30 |
| Liverpool Thirlmere Park Timeseries Graph |
63 (2 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 17:00 |
| Manchester Piccadilly Timeseries Graph |
47 (2 Low) | 29 (1 Low) | 3 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 28/10/2026 07:30 |
| Manchester Sharston Timeseries Graph |
61 (2 Low) | 32 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 15:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 28/10/2026 17:00 |
| Preston Timeseries Graph |
62 (2 Low) | 23 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/10/2026 17:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 17:00 |
| Salford Eccles Timeseries Graph |
63 (2 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 17:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | n/m | 28/10/2026 17:00 |
| St Helens Linkway Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 28/10/2026 11:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 28/10/2026 04:00 |
| Warrington St. Peter's Park Timeseries Graph |
n/m | 46 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 17:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 28/10/2026 11:00 |
| Wigan Centre Timeseries Graph |
63 (2 Low) | 33 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 28/10/2026 17:00 |
| Wirral Tranmere Timeseries Graph |
63 (2 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 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 | 48 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 28/10/2026 17:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 28/10/2026 08:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 21 (1 Low) | 28 (1 Low) | n/m | n/m | 27/10/2026 21:00 |
| Belfast Centre Timeseries Graph |
56 (2 Low) | 39 (1 Low) | 5 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 28/10/2026 05:45 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 80 (2 Low) | n/m | n/m | 19 (2 Low) *1 | 28/10/2026 17:00 |
| Derry Rosemount Timeseries Graph |
72 (3 Low) | 12 (1 Low) | 3 (1 Low) | n/a | 18 (2 Low) *1 | 27/10/2026 20:30 |
| Lough Navar Timeseries Graph |
56 (2 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 17:00 |
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 | 27 (1 Low) | n/m | n/m | n/m | 28/10/2026 10:00 |
| Eskdalemuir Timeseries Graph |
65 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 27/10/2026 18:00 |
| Peebles Timeseries Graph |
72 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 27/10/2026 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 | 6 (1 Low) | n/m | 28/10/2026 17:00 |
| Brighton Preston Park Timeseries Graph |
63 (2 Low) | 46 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 27/10/2026 24:00 |
| Chatham Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 8 (1 Low) | 24 (2 Low) *1 | 28/10/2026 17:00 |
| Chilbolton Observatory Timeseries Graph |
72 (3 Low) | 2 (1 Low) | 22 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 13:15 |
| Eastbourne Timeseries Graph |
72 (3 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 28/10/2026 11:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 11:00 |
| Horley Timeseries Graph |
n/m | 50 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 11:00 |
| Lullington Heath Timeseries Graph |
74 (3 Low) | 10 (1 Low) | 1 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 28/10/2026 03:15 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/10/2026 12:00 |
| Milton Keynes Civic Centre Timeseries Graph |
59 (2 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 17:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 27/10/2026 22:00 |
| Oxford St Ebbes Timeseries Graph |
59 (2 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 17:00 |
| Portsmouth Timeseries Graph |
66 (2 Low) | 52 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 28/10/2026 17:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 28/10/2026 17:00 |
| Reading London Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 27/10/2026 21:00 |
| Reading New Town Timeseries Graph |
58 (2 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 10:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 28/10/2026 10:00 |
| Rochester Stoke Timeseries Graph |
63 (2 Low) | n/a | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 12:45 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 11:00 |
| Southampton A33 Timeseries Graph |
n/m | 61 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 09:00 |
| Southampton Centre Timeseries Graph |
52 (2 Low) | 53 (1 Low) | 3 (1 Low) | 7 (1 Low) | 16 (1 Low) *2 | 28/10/2026 07:30 |
| Storrington Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 28/10/2026 10:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | 12 (2 Low) | n/m | 28/10/2026 10:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 27/10/2026 24:00 |
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 | 44 (1 Low) | 8 (1 Low) | 10 (1 Low) | 15 (1 Low) *1 | 28/10/2026 15:30 |
| Cardiff Newport Road Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | 17 (2 Low) *1 | 27/10/2026 21:00 |
| Chepstow A48 Timeseries Graph |
n/m | 68 (2 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 28/10/2026 07:00 |
| Cwmbran Crownbridge Timeseries Graph |
70 (3 Low) | 28 (1 Low) | n/m | n/m | n/m | 27/10/2026 18:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 28/10/2026 08:00 |
| Narberth Timeseries Graph |
67 (3 Low) | 4 (1 Low) | 1 (1 Low) | 9 (1 Low) | 18 (2 Low) *2 | 28/10/2026 08:45 |
| Newport Timeseries Graph |
n/m | 27 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 28/10/2026 17:00 |
| Port Talbot Margam Timeseries Graph |
70 (3 Low) | 16 (1 Low) | 1 (1 Low) | 8 (1 Low) | 28 (2 Low) *3 | 27/10/2026 24:00 |
| 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 | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 16:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 27/10/2026 19:00 |
| Bournemouth Timeseries Graph |
63 (2 Low) | 24 (1 Low) | n/m | 8 (1 Low) | n/m | 28/10/2026 15:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 28/10/2026 09:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 28/10/2026 17:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 28/10/2026 06:00 |
| Bristol St Paul's Timeseries Graph |
61 (2 Low) | 32 (1 Low) | n/m | 6 (1 Low) | 20 (2 Low) *1 | 28/10/2026 08:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 08:00 |
| Charlton Mackrell Timeseries Graph |
66 (2 Low) | n/a | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/10/2026 08:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 28/10/2026 08:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | 6 (1 Low) | n/m | 28/10/2026 01:00 |
| Exeter Roadside Timeseries Graph |
59 (2 Low) | 21 (1 Low) | n/m | n/m | n/m | 27/10/2026 18:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/10/2026 17:00 |
| Honiton Timeseries Graph |
61 (2 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 07:00 |
| Plymouth Centre Timeseries Graph |
60 (2 Low) | 20 (1 Low) | n/m | 10 (1 Low) | 24 (2 Low) *2 | 28/10/2026 03:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 27/10/2026 20:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 21 (2 Low) *1 | 28/10/2026 02:00 |
| Swindon Walcot Timeseries Graph |
64 (2 Low) | 9 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 09:00 |
| Yarner Wood Timeseries Graph |
64 (2 Low) | 2 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 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 |
85 (3 Low) | n/m | n/m | n/m | n/m | 28/10/2026 09:00 |
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 |
56 (2 Low) | 68 (2 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 28/10/2026 17:00 |
| Birmingham Hall Green Timeseries Graph |
69 (3 Low) | 15 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 07:00 |
| Birmingham Ladywood Timeseries Graph |
67 (3 Low) | 17 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 13:30 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 06:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
66 (2 Low) | 38 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/10/2026 17:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 6 (1 Low) | n/m | 28/10/2026 07:00 |
| Coventry Allesley Timeseries Graph |
58 (2 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 09:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 17:00 |
| Leamington Spa Timeseries Graph |
66 (2 Low) | 29 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 07:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 17:00 |
| Leominster Timeseries Graph |
65 (2 Low) | 9 (1 Low) | n/m | n/m | n/m | 27/10/2026 18:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 06:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 05:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 07:00 |
| Stoke-on-Trent Centre Timeseries Graph |
57 (2 Low) | 23 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 07:00 |
| Telford Hollinswood Timeseries Graph |
70 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/10/2026 07:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 28/10/2026 17:00 |
| Walsall Woodlands Timeseries Graph |
64 (2 Low) | 22 (1 Low) | n/m | n/m | n/m | 27/10/2026 18:00 |
| West Bromwich Kenrick Park Timeseries Graph |
63 (2 Low) | 29 (1 Low) | n/m | n/m | n/m | 27/10/2026 16:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 06:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/10/2026 06:00 |
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) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 28/10/2026 13:45 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 27/10/2026 19:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/10/2026 17:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/10/2026 17:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
63 (2 Low) | 19 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 17:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 33 (1 Low) | n/m | 6 (1 Low) | n/m | 28/10/2026 17:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 17:00 |
| High Muffles Timeseries Graph |
60 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 28/10/2026 08:00 |
| Hull Freetown Timeseries Graph |
59 (2 Low) | 37 (1 Low) | 4 (1 Low) | 7 (1 Low) | 15 (1 Low) *2 | 28/10/2026 02:45 |
| Hull Holderness Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 28/10/2026 17:00 |
| Immingham Woodlands Avenue Timeseries Graph |
66 (2 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/10/2026 17:00 |
| Leeds Centre Timeseries Graph |
52 (2 Low) | 43 (1 Low) | 3 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 27/10/2026 20:15 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *1 | 28/10/2026 17:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/10/2026 17:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 24 (1 Low) | n/a | 7 (1 Low) | 13 (1 Low) *1 | 22/10/2026 07:30 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | 5 (1 Low) | n/m | 28/10/2026 17:00 |
| Sheffield Devonshire Green Timeseries Graph |
66 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/10/2026 17:00 |
| Sheffield Tinsley Timeseries Graph |
48 (2 Low) | 45 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 28/10/2026 16:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/10/2026 17:00 |
| 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 | 29 (1 Low) | n/m | 4 (1 Low) | 20 (2 Low) *1 | 28/10/2026 17:00 |
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