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 8am Sun 27th Sep 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 |
60 (2 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 27/09/2026 03:00:00 |
| Bush Estate Timeseries Graph |
67 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 27/09/2026 07:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 26/09/2026 21:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
| Edinburgh St Leonards Timeseries Graph |
63 (2 Low) | 7 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 26/09/2026 11:15:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 15 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 27/09/2026 01:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| Glasgow Townhead Timeseries Graph |
58 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 02:00:00 |
| Grangemouth Timeseries Graph |
n/m | 4 (1 Low) | 17 (1 Low) | 7 (1 Low) | 11 (1 Low) *1 | 27/09/2026 06:30:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 27/09/2026 06:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 06:00:00 |
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 |
65 (2 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 27/09/2026 08:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 01:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 53 (1 Low) | n/m | 7 (1 Low) | n/m | 27/09/2026 01:00:00 |
| Derby Stockbrook Park Timeseries Graph |
64 (2 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 01:00:00 |
| Ladybower Timeseries Graph |
64 (2 Low) | 8 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 27/09/2026 08:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 79 (2 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 27/09/2026 03:00:00 |
| Leicester University Timeseries Graph |
64 (2 Low) | 62 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 01:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 27/09/2026 01:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 03:00:00 |
| Northampton Spring Park Timeseries Graph |
70 (3 Low) | 44 (1 Low) | n/m | 8 (1 Low) | n/m | 27/09/2026 01:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 01:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
60 (2 Low) | 41 (1 Low) | 1 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 26/09/2026 10:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 63 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 27/09/2026 04:00:00 |
| Tallington Timeseries Graph |
74 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 27/09/2026 02:00:00 |
| Toft Newton Timeseries Graph |
74 (3 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 06:00:00 |
| Wigston Centre Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 01:00:00 |
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 | 45 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 27/09/2026 08:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 08:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 76 (2 Low) | n/m | 7 (1 Low) | n/m | 27/09/2026 08:00:00 |
| Norwich Lakenfields Timeseries Graph |
68 (3 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 27/09/2026 08:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 27/09/2026 05:00:00 |
| Sibton Timeseries Graph |
71 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 27/09/2026 01:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 09/09/2026 01:00:00 |
| Southend-on-Sea Timeseries Graph |
71 (3 Low) | 32 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| St Osyth Timeseries Graph |
86 (3 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 01:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *1 | 27/09/2026 07:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 04/09/2026 01:00:00 |
| Thurrock Timeseries Graph |
69 (3 Low) | 37 (1 Low) | 3 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 26/09/2026 18:00:00 |
| Weybourne Timeseries Graph |
n/a | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 27/09/2026 01:00:00 |
| Wicken Fen Timeseries Graph |
74 (3 Low) | 11 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 26/09/2026 08:45:00 |
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 | 41 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *1 | 27/09/2026 06:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 32 (2 Low) *1 | 27/09/2026 04:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 26/09/2026 22:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 27/09/2026 08:00:00 |
| London Bexley Timeseries Graph |
n/m | 43 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 08:00:00 |
| London Bloomsbury Timeseries Graph |
68 (3 Low) | 38 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 05:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 48 (1 Low) | n/m | 8 (1 Low) | n/m | 27/09/2026 08:00:00 |
| London Haringey Priory Park South Timeseries Graph |
67 (3 Low) | 62 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
| London Harlington Timeseries Graph |
68 (3 Low) | 63 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 07:00:00 |
| London Hillingdon Timeseries Graph |
64 (2 Low) | 81 (2 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 27/09/2026 08:00:00 |
| London Honor Oak Park Timeseries Graph |
81 (3 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 08:00:00 |
| London Marylebone Road Timeseries Graph |
59 (2 Low) | 56 (1 Low) | 4 (1 Low) | 10 (1 Low) | 22 (2 Low) *1 | 26/09/2026 21:15:00 |
| London N. Kensington Timeseries Graph |
69 (3 Low) | 32 (1 Low) | 3 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 26/09/2026 16:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 27/09/2026 07:00:00 |
| London Westminster Timeseries Graph |
70 (3 Low) | 34 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 26/09/2026 22:00:00 |
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 |
67 (3 Low) | 18 (1 Low) | n/m | n/m | n/m | 27/09/2026 08:00:00 |
| Inverness Timeseries Graph |
n/m | 20 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 27/09/2026 05:00:00 |
| Lerwick Timeseries Graph |
75 (3 Low) | n/m | n/m | n/m | n/m | 26/09/2026 17:00:00 |
| Strathvaich Timeseries Graph |
67 (3 Low) | n/m | n/m | n/m | n/m | 26/09/2026 10:00:00 |
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 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 07:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
66 (2 Low) | 26 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 27/09/2026 08:00:00 |
| Kielder Water Timeseries Graph |
56 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 27/09/2026 01:00:00 |
| Middlesbrough Timeseries Graph |
59 (2 Low) | 26 (1 Low) | 1 (1 Low) | 5 (1 Low) | 16 (1 Low) *1 | 26/09/2026 11:45:00 |
| Newcastle Centre Timeseries Graph |
56 (2 Low) | 28 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 27/09/2026 08:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 01:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 7 (1 Low) | n/m | 27/09/2026 06:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 21 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *1 | 27/09/2026 08:00:00 |
| Sunderland Silksworth Timeseries Graph |
68 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 39 (1 Low) | n/m | 5 (1 Low) | n/m | 27/09/2026 08:00:00 |
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 |
53 (2 Low) | 15 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 27/09/2026 08:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 26/09/2026 24:00: |
| Perth Glasgow Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
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 |
68 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| Wrexham Timeseries Graph |
n/m | 34 (1 Low) | 3 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 26/09/2026 24:00: |
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 | 21 (1 Low) | n/m | 6 (1 Low) | n/m | 27/09/2026 08:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 26/09/2026 21:00:00 |
| Blackburn Audley Park Timeseries Graph |
54 (2 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 03:00:00 |
| Blackpool Marton Timeseries Graph |
67 (3 Low) | 19 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 27/09/2026 04:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 27/09/2026 01:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 26/09/2026 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 7 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *1 | 27/09/2026 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
59 (2 Low) | 31 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 07:00:00 |
| Glazebury Timeseries Graph |
58 (2 Low) | 31 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 27/09/2026 03:00:00 |
| Liverpool Speke Timeseries Graph |
58 (2 Low) | 35 (1 Low) | 18 (1 Low) | 7 (1 Low) | 14 (1 Low) *1 | 26/09/2026 10:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
56 (2 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 01:00:00 |
| Manchester Piccadilly Timeseries Graph |
47 (2 Low) | 50 (1 Low) | 3 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 26/09/2026 11:00:00 |
| Manchester Sharston Timeseries Graph |
57 (2 Low) | 35 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 01:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 27/09/2026 07:00:00 |
| Preston Timeseries Graph |
57 (2 Low) | 37 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 03:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 01:00:00 |
| Salford Eccles Timeseries Graph |
56 (2 Low) | 33 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 01:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 26/09/2026 20:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 27/09/2026 01:00:00 |
| Warrington St. Peter's Park Timeseries Graph |
n/m | 43 (1 Low) | n/m | 6 (1 Low) | n/m | 27/09/2026 07:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| Wigan Centre Timeseries Graph |
55 (2 Low) | 36 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 27/09/2026 01:00:00 |
| Wirral Tranmere Timeseries Graph |
56 (2 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
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 | 30 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 26/09/2026 18:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 11 (1 Low) | 7 (1 Low) | n/m | n/m | 26/09/2026 18:45:00 |
| Belfast Centre Timeseries Graph |
63 (2 Low) | 15 (1 Low) | 1 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 02:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 26/09/2026 11:00:00 |
| Derry Rosemount Timeseries Graph |
65 (2 Low) | 9 (1 Low) | 2 (1 Low) | 2 (1 Low) | 9 (1 Low) *1 | 26/09/2026 21:30:00 |
| Lough Navar Timeseries Graph |
54 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 27/09/2026 01:00:00 |
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 | 12 (1 Low) | n/m | n/m | n/m | 26/09/2026 11:00:00 |
| Eskdalemuir Timeseries Graph |
60 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 27/09/2026 03:00:00 |
| Peebles Timeseries Graph |
68 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 27/09/2026 05:00:00 |
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 | 6 (1 Low) | n/m | 27/09/2026 03:00:00 |
| Brighton Preston Park Timeseries Graph |
73 (3 Low) | 48 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 27/09/2026 08:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 5 (1 Low) | 20 (2 Low) *1 | 27/09/2026 06:00:00 |
| Chilbolton Observatory Timeseries Graph |
81 (3 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 26/09/2026 17:15:00 |
| Eastbourne Timeseries Graph |
72 (3 Low) | 20 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 27/09/2026 08:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Horley Timeseries Graph |
n/m | 48 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 08:00:00 |
| Lullington Heath Timeseries Graph |
76 (3 Low) | 8 (1 Low) | 3 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 27/09/2026 02:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 27/09/2026 08:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
68 (3 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 08:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 26/09/2026 21:00:00 |
| Oxford St Ebbes Timeseries Graph |
70 (3 Low) | 49 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 27/09/2026 08:00:00 |
| Portsmouth Timeseries Graph |
66 (2 Low) | 59 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 27/09/2026 08:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Reading London Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 26/09/2026 24:00: |
| Reading New Town Timeseries Graph |
71 (3 Low) | 28 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 27/09/2026 08:00:00 |
| Rochester Stoke Timeseries Graph |
76 (3 Low) | 21 (1 Low) | 2 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 26/09/2026 11:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 27/09/2026 07:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 56 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Southampton Centre Timeseries Graph |
61 (2 Low) | 68 (2 Low) | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 26/09/2026 16:15:00 |
| Storrington Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 8 (1 Low) | n/m | 27/09/2026 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 27/09/2026 08:00:00 |
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 |
65 (2 Low) | 43 (1 Low) | 3 (1 Low) | 11 (1 Low) | 15 (1 Low) *1 | 27/09/2026 02:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 26/09/2026 22:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 68 (2 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 27/09/2026 02:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
71 (3 Low) | 29 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 26/09/2026 21:00:00 |
| Narberth Timeseries Graph |
70 (3 Low) | 3 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 26/09/2026 10:45:00 |
| Newport Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 07:00:00 |
| Port Talbot Margam Timeseries Graph |
71 (3 Low) | 27 (1 Low) | 2 (1 Low) | 5 (1 Low) | 15 (1 Low) *3 | 26/09/2026 12:45:00 |
| Swansea Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 27/09/2026 02:00:00 |
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 | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 06:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | n/m | 26/09/2026 22:00:00 |
| Bournemouth Timeseries Graph |
72 (3 Low) | 29 (1 Low) | n/m | 8 (1 Low) | n/m | 27/09/2026 08:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 27/09/2026 08:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 27/09/2026 02:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 02:00:00 |
| Bristol St Paul's Timeseries Graph |
70 (3 Low) | 38 (1 Low) | n/m | 6 (1 Low) | 17 (2 Low) *1 | 27/09/2026 02:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 58 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 27/09/2026 03:00:00 |
| Charlton Mackrell Timeseries Graph |
76 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 01:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 27/09/2026 01:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 5 (1 Low) | n/m | 27/09/2026 04:00:00 |
| Exeter Roadside Timeseries Graph |
64 (2 Low) | 48 (1 Low) | n/m | n/m | n/m | 26/09/2026 22:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 03:00:00 |
| Honiton Timeseries Graph |
76 (3 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 27/09/2026 08:00:00 |
| Plymouth Centre Timeseries Graph |
68 (3 Low) | 31 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 26/09/2026 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 14 (1 Low) *1 | 27/09/2026 08:00:00 |
| Swindon Walcot Timeseries Graph |
77 (3 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
| Yarner Wood Timeseries Graph |
73 (3 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 27/09/2026 08:00:00 |
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 |
79 (3 Low) | n/m | n/m | n/m | n/m | 27/09/2026 01:00:00 |
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 |
| Bedworth Collycroft Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 27/09/2026 07:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
54 (2 Low) | 77 (2 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 27/09/2026 07:00:00 |
| Birmingham Hall Green Timeseries Graph |
74 (3 Low) | 35 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 05:00:00 |
| Birmingham Ladywood Timeseries Graph |
n/a | 48 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 26/09/2026 24:00: |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
67 (3 Low) | 44 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/09/2026 06:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 5 (1 Low) | n/m | 27/09/2026 04:00:00 |
| Coventry Allesley Timeseries Graph |
65 (2 Low) | 43 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 07:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/a | n/a | 25/09/2026 09:00:00 |
| Leamington Spa Timeseries Graph |
71 (3 Low) | 52 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 27/09/2026 07:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 59 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 08:00:00 |
| Leominster Timeseries Graph |
68 (3 Low) | n/a | n/m | n/m | n/m | 26/09/2026 20:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 55 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 05:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 07:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 66 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 08:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
53 (2 Low) | 26 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/09/2026 08:00:00 |
| Telford Hollinswood Timeseries Graph |
68 (3 Low) | 45 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 08:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 27/09/2026 06:00:00 |
| Walsall Woodlands Timeseries Graph |
66 (2 Low) | 38 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
65 (2 Low) | 46 (1 Low) | n/m | n/m | n/m | 26/09/2026 19:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 05:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
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 |
64 (2 Low) | 26 (1 Low) | 3 (1 Low) | 5 (1 Low) | 12 (1 Low) *2 | 26/09/2026 10:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 26/09/2026 22:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 27/09/2026 08:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 27/09/2026 03:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
73 (3 Low) | 42 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 08:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | n/m | 27/09/2026 08:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 27/09/2026 08:00:00 |
| High Muffles Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 25/09/2026 08:00:00 |
| Hull Freetown Timeseries Graph |
59 (2 Low) | 30 (1 Low) | 4 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 26/09/2026 11:15:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 56 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 27/09/2026 01:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
69 (3 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 27/09/2026 01:00:00 |
| Leeds Centre Timeseries Graph |
61 (2 Low) | 53 (1 Low) | 4 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 27/09/2026 04:15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 48 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *1 | 27/09/2026 08:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 27/09/2026 07:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 18 (1 Low) | 8 (1 Low) | 8 (1 Low) | 13 (1 Low) *1 | 27/09/2026 06:45:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 66 (1 Low) | n/m | 7 (1 Low) | n/m | 27/09/2026 08:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
65 (2 Low) | 40 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/09/2026 04:00:00 |
| Sheffield Tinsley Timeseries Graph |
54 (2 Low) | 51 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 27/09/2026 08:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 27/09/2026 08:00:00 |
| York Bootham Timeseries Graph |
54 (2 Low) | 42 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *1 | 27/09/2026 02:00:00 |
| York Fishergate Timeseries Graph |
n/m | 39 (1 Low) | n/m | 6 (1 Low) | 19 (2 Low) *1 | 27/09/2026 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