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 1pm Wed 22nd Jul 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 |
82 (3 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 22/07/2026 08:00:00 |
| Bush Estate Timeseries Graph |
80 (3 Low) | 6 (1 Low) | n/m | n/m | n/m | 21/07/2026 22:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 22/07/2026 08:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 21/07/2026 14:00:00 |
| Edinburgh St Leonards Timeseries Graph |
72 (3 Low) | 12 (1 Low) | 2 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 01:15:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 22/07/2026 08:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 19 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 22/07/2026 09:00:00 |
| Glasgow Townhead Timeseries Graph |
80 (3 Low) | 19 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 22/07/2026 13:00:00 |
| Grangemouth Timeseries Graph |
n/m | 7 (1 Low) | 3 (1 Low) | n/a | 11 (1 Low) *1 | 22/07/2026 02:30:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 22/07/2026 03:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 22/07/2026 10:00:00 |
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 |
82 (3 Low) | 13 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 22/07/2026 11:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 22/07/2026 08:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 35 (1 Low) | n/m | 8 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Derby Stockbrook Park Timeseries Graph |
82 (3 Low) | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 13:00:00 |
| Ladybower Timeseries Graph |
83 (3 Low) | 8 (1 Low) | 2 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 21/07/2026 08:30:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | 8 (1 Low) | 20 (2 Low) *2 | 22/07/2026 13:00:00 |
| Leicester University Timeseries Graph |
82 (3 Low) | 27 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 22/07/2026 13:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | n/m | 21/07/2026 17:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 18 (2 Low) *2 | 22/07/2026 13:00:00 |
| Northampton Spring Park Timeseries Graph |
85 (3 Low) | 11 (1 Low) | n/m | 11 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
85 (3 Low) | 21 (1 Low) | 1 (1 Low) | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 09:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 48 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| Tallington Timeseries Graph |
76 (3 Low) | n/m | n/m | 4 (1 Low) | 12 (1 Low) *2 | 22/07/2026 01:00:00 |
| Toft Newton Timeseries Graph |
76 (3 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 22/07/2026 13:00:00 |
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 | 21 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 16 (1 Low) *2 | 22/07/2026 10:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 20/07/2026 07:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 8 (1 Low) | n/m | 22/07/2026 11:00:00 |
| Norwich Lakenfields Timeseries Graph |
62 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 22/07/2026 01:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Sibton Timeseries Graph |
62 (2 Low) | n/m | n/m | 3 (1 Low) | 11 (1 Low) *2 | 22/07/2026 01:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 22/07/2026 01:00:00 |
| Southend-on-Sea Timeseries Graph |
61 (2 Low) | 15 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 22/07/2026 01:00:00 |
| St Osyth Timeseries Graph |
68 (3 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 22/07/2026 01:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *1 | 22/07/2026 13:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 22/07/2026 04:00:00 |
| Thurrock Timeseries Graph |
60 (2 Low) | 41 (1 Low) | 3 (1 Low) | 6 (1 Low) | 16 (1 Low) *2 | 22/07/2026 09:15:00 |
| Weybourne Timeseries Graph |
62 (2 Low) | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 22/07/2026 01:00:00 |
| Wicken Fen Timeseries Graph |
58 (2 Low) | 9 (1 Low) | 2 (1 Low) | 4 (1 Low) | 10 (1 Low) *2 | 21/07/2026 22:45:00 |
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 | 45 (1 Low) | n/m | 14 (2 Low) | 34 (3 Low) *1 | 22/07/2026 12:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 53 (4 Moderate) *1 | 22/07/2026 12:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 21/07/2026 23:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 22/07/2026 13:00:00 |
| London Bexley Timeseries Graph |
n/m | 31 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 22/07/2026 10:00:00 |
| London Bloomsbury Timeseries Graph |
54 (2 Low) | 44 (1 Low) | 3 (1 Low) | 7 (1 Low) | 17 (2 Low) *2 | 22/07/2026 10:45:00 |
| London Farringdon Street Timeseries Graph |
n/m | 38 (1 Low) | n/m | 8 (1 Low) | n/m | 22/07/2026 13:00:00 |
| London Haringey Priory Park South Timeseries Graph |
50 (2 Low) | 33 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| London Harlington Timeseries Graph |
75 (3 Low) | 48 (1 Low) | n/m | 8 (1 Low) | 33 (2 Low) *2 | 22/07/2026 13:00:00 |
| London Hillingdon Timeseries Graph |
79 (3 Low) | 52 (1 Low) | n/m | 8 (1 Low) | 20 (2 Low) *2 | 22/07/2026 13:00:00 |
| London Honor Oak Park Timeseries Graph |
76 (3 Low) | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
| London Marylebone Road Timeseries Graph |
72 (3 Low) | 36 (1 Low) | 5 (1 Low) | 8 (1 Low) | 20 (2 Low) *1 | 21/07/2026 09:15:00 |
| London N. Kensington Timeseries Graph |
73 (3 Low) | 20 (1 Low) | 3 (1 Low) | 6 (1 Low) | 15 (1 Low) *2 | 22/07/2026 11:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 13:00:00 |
| London Westminster Timeseries Graph |
61 (2 Low) | 24 (1 Low) | n/m | n/m | n/m | 21/07/2026 22:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/a | 22/07/2026 08:00:00 |
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 |
75 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 21/07/2026 20:00:00 |
| Inverness Timeseries Graph |
n/m | 11 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 22/07/2026 09:00:00 |
| Lerwick Timeseries Graph |
76 (3 Low) | n/m | n/m | n/m | n/m | 21/07/2026 14:00:00 |
| Strathvaich Timeseries Graph |
86 (3 Low) | n/m | n/m | n/m | n/m | 21/07/2026 16:00:00 |
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 | 5 (1 Low) | 11 (1 Low) *2 | 22/07/2026 12:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
56 (2 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 22/07/2026 06:00:00 |
| Kielder Water Timeseries Graph |
57 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 22/07/2026 12:00:00 |
| Middlesbrough Timeseries Graph |
51 (2 Low) | 17 (1 Low) | 2 (1 Low) | 4 (1 Low) | 17 (2 Low) *1 | 21/07/2026 13:15:00 |
| Newcastle Centre Timeseries Graph |
56 (2 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *1 | 22/07/2026 01:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 10/07/2026 10:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 22/07/2026 10:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 22/07/2026 06:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 7 (1 Low) | n/m | 22/07/2026 10:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 19 (1 Low) | n/m | 5 (1 Low) | 16 (1 Low) *1 | 22/07/2026 12:00:00 |
| Sunderland Silksworth Timeseries Graph |
60 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 22/07/2026 01:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 14 (1 Low) | n/m | 4 (1 Low) | n/m | 22/07/2026 07:00:00 |
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 |
71 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 22/07/2026 13:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 22/07/2026 08:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 22/07/2026 02:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 22/07/2026 07:00:00 |
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 |
79 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 21/07/2026 19:00:00 |
| Wrexham Timeseries Graph |
n/m | 14 (1 Low) | 9 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 21/07/2026 15:45:00 |
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 | 10 (1 Low) | n/m | 7 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 22/07/2026 09:00:00 |
| Blackburn Audley Park Timeseries Graph |
64 (2 Low) | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 01:00:00 |
| Blackpool Marton Timeseries Graph |
69 (3 Low) | 3 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 22/07/2026 08:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 19 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 22/07/2026 03:00:00 |
| Crewe Coppenhall Timeseries Graph |
74 (3 Low) | 9 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 08:00:00 |
| Glazebury Timeseries Graph |
69 (3 Low) | 6 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
| Liverpool Speke Timeseries Graph |
71 (3 Low) | 14 (1 Low) | 1 (1 Low) | 8 (1 Low) | 19 (2 Low) *1 | 21/07/2026 19:15:00 |
| Liverpool Thirlmere Park Timeseries Graph |
69 (3 Low) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Manchester Piccadilly Timeseries Graph |
57 (2 Low) | 17 (1 Low) | 2 (1 Low) | 11 (1 Low) | 25 (2 Low) *2 | 22/07/2026 12:45:00 |
| Manchester Sharston Timeseries Graph |
66 (2 Low) | 27 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 06:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Preston Timeseries Graph |
56 (2 Low) | 12 (1 Low) | n/m | 8 (1 Low) | 20 (2 Low) *2 | 22/07/2026 09:00:00 |
| Salford Eccles Timeseries Graph |
69 (3 Low) | 13 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 22/07/2026 05:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 22/07/2026 09:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/a | 21/07/2026 09:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | n/m | 22/07/2026 01:00:00 |
| Warrington Timeseries Graph |
n/m | 19 (1 Low) | n/m | 5 (1 Low) | 17 (2 Low) *1 | 22/07/2026 02:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 22/07/2026 10:00:00 |
| Wigan Centre Timeseries Graph |
64 (2 Low) | 6 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| Wirral Tranmere Timeseries Graph |
74 (3 Low) | 3 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 22/07/2026 13:00:00 |
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 | 38 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 22/07/2026 07:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 22/07/2026 10:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 7 (1 Low) | 4 (1 Low) | n/m | n/m | 21/07/2026 11:15:00 |
| Belfast Centre Timeseries Graph |
72 (3 Low) | 9 (1 Low) | 9 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 21/07/2026 13:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 22/07/2026 09:00:00 |
| Derry Rosemount Timeseries Graph |
71 (3 Low) | 4 (1 Low) | 2 (1 Low) | 3 (1 Low) | 12 (1 Low) *1 | 21/07/2026 16:15:00 |
| Lough Navar Timeseries Graph |
66 (2 Low) | n/m | n/m | 4 (1 Low) | 5 (1 Low) *2 | 22/07/2026 13:00:00 |
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 | 21 (1 Low) | n/m | n/m | n/m | 22/07/2026 10:00:00 |
| Eskdalemuir Timeseries Graph |
65 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 21/07/2026 22:00:00 |
| Peebles Timeseries Graph |
69 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 21/07/2026 23:00:00 |
South East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Brighton Preston Park Timeseries Graph |
66 (2 Low) | 22 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 22/07/2026 13:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 3 (1 Low) | 15 (1 Low) *1 | 22/07/2026 13:00:00 |
| Chilbolton Observatory Timeseries Graph |
95 (3 Low) | 10 (1 Low) | 1 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 21/07/2026 21:15:00 |
| Eastbourne Timeseries Graph |
69 (3 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 22/07/2026 01:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 13:00:00 |
| Horley Timeseries Graph |
n/m | 30 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| Lullington Heath Timeseries Graph |
80 (3 Low) | 6 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 22/07/2026 06:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 20 (2 Low) *2 | 22/07/2026 13:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
80 (3 Low) | n/m | n/m | 7 (1 Low) | 18 (2 Low) *2 | 22/07/2026 13:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 21/07/2026 23:00:00 |
| Oxford St Ebbes Timeseries Graph |
85 (3 Low) | 62 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 13:00:00 |
| Portsmouth Timeseries Graph |
89 (3 Low) | 52 (1 Low) | n/m | 7 (1 Low) | 22 (2 Low) *2 | 22/07/2026 13:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Reading London Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 22/07/2026 06:00:00 |
| Reading New Town Timeseries Graph |
82 (3 Low) | 24 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Rochester Stoke Timeseries Graph |
70 (3 Low) | 11 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 22/07/2026 12:45:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 21 (2 Low) *2 | 22/07/2026 13:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 39 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Southampton Centre Timeseries Graph |
81 (3 Low) | 39 (1 Low) | 3 (1 Low) | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 06:45:00 |
| Storrington Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 10 (1 Low) | n/m | 22/07/2026 02:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
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 |
87 (3 Low) | 13 (1 Low) | 3 (1 Low) | 19 (2 Low) | 25 (2 Low) *1 | 22/07/2026 01:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 30 (2 Low) *1 | 21/07/2026 15:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 36 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *1 | 22/07/2026 13:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
104 (4 Moderate) | 8 (1 Low) | n/m | n/m | n/m | 21/07/2026 20:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 21/07/2026 17:00:00 |
| Narberth Timeseries Graph |
71 (3 Low) | n/a | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 22/07/2026 10:15:00 |
| Newport Timeseries Graph |
n/m | 12 (1 Low) | n/m | 22 (2 Low) | 32 (2 Low) *2 | 22/07/2026 13:00:00 |
| Port Talbot Margam Timeseries Graph |
91 (3 Low) | 14 (1 Low) | 2 (1 Low) | 14 (2 Low) | 24 (2 Low) *3 | 21/07/2026 13:15:00 |
| Swansea Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/a | n/a | 20/07/2026 01:00:00 |
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 | 8 (1 Low) | 15 (1 Low) *2 | 22/07/2026 13:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 21/07/2026 22:00:00 |
| Bournemouth Timeseries Graph |
92 (3 Low) | 14 (1 Low) | n/m | 7 (1 Low) | n/m | 22/07/2026 01:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 22/07/2026 13:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 22/07/2026 11:00:00 |
| Bristol St Paul's Timeseries Graph |
96 (3 Low) | 9 (1 Low) | n/m | 11 (1 Low) | 24 (2 Low) *1 | 22/07/2026 13:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 33 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 22/07/2026 13:00:00 |
| Charlton Mackrell Timeseries Graph |
103 (4 Moderate) | 6 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 6 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Exeter Roadside Timeseries Graph |
87 (3 Low) | 25 (1 Low) | n/m | n/m | n/m | 21/07/2026 20:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Honiton Timeseries Graph |
100 (3 Low) | 10 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Plymouth Centre Timeseries Graph |
81 (3 Low) | 26 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 22/07/2026 07:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 17 (2 Low) *1 | 22/07/2026 10:00:00 |
| Swindon Walcot Timeseries Graph |
92 (3 Low) | 19 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Yarner Wood Timeseries Graph |
110 (4 Moderate) | 4 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
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 |
76 (3 Low) | n/m | n/m | n/m | n/m | 22/07/2026 05:00:00 |
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 | 8 (1 Low) | 19 (2 Low) *2 | 22/07/2026 13:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
83 (3 Low) | 25 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 22/07/2026 13:00:00 |
| Birmingham Hall Green Timeseries Graph |
102 (4 Moderate) | 24 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 22/07/2026 13:00:00 |
| Birmingham Ladywood Timeseries Graph |
71 (3 Low) | 12 (1 Low) | 3 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 21/07/2026 22:00:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
86 (3 Low) | 11 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 22/07/2026 13:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 9 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Coventry Allesley Timeseries Graph |
95 (3 Low) | 16 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 7 (1 Low) | 19 (2 Low) *2 | 22/07/2026 13:00:00 |
| Leamington Spa Timeseries Graph |
106 (4 Moderate) | 13 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 22/07/2026 13:00:00 |
| Leominster Timeseries Graph |
90 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 21/07/2026 20:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 22/07/2026 13:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 22/07/2026 09:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
65 (2 Low) | 25 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 22/07/2026 02:00:00 |
| Telford Hollinswood Timeseries Graph |
96 (3 Low) | 8 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 05:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Walsall Woodlands Timeseries Graph |
88 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 21/07/2026 20:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
91 (3 Low) | 19 (1 Low) | n/m | n/m | n/m | 21/07/2026 20:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 13:00:00 |
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 |
73 (3 Low) | 8 (1 Low) | 13 (1 Low) | 7 (1 Low) | 17 (2 Low) *2 | 21/07/2026 15:30:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 22/07/2026 11:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 22/07/2026 10:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 20 (2 Low) *2 | 22/07/2026 13:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
73 (3 Low) | 9 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 22/07/2026 03:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 24 (1 Low) | n/m | 8 (1 Low) | n/m | 22/07/2026 13:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 22/07/2026 12:00:00 |
| High Muffles Timeseries Graph |
60 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 22/07/2026 12:00:00 |
| Hull Freetown Timeseries Graph |
59 (2 Low) | 22 (1 Low) | 1 (1 Low) | 5 (1 Low) | 19 (2 Low) *2 | 22/07/2026 12:45:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 22/07/2026 13:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
62 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 22/07/2026 13:00:00 |
| Leeds Centre Timeseries Graph |
67 (3 Low) | 12 (1 Low) | 2 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 22/07/2026 03:30:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *1 | 22/07/2026 13:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 16 (1 Low) | 6 (1 Low) | 6 (1 Low) | 17 (2 Low) *1 | 21/07/2026 18:30:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | 7 (1 Low) | n/m | 21/07/2026 06:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
77 (3 Low) | 15 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 22/07/2026 13:00:00 |
| Sheffield Tinsley Timeseries Graph |
79 (3 Low) | 22 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 22/07/2026 13:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 22/07/2026 11:00:00 |
| York Bootham Timeseries Graph |
63 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 22/07/2026 13:00:00 |
| York Fishergate Timeseries Graph |
n/m | 23 (1 Low) | n/m | 3 (1 Low) | 18 (2 Low) *1 | 22/07/2026 13:00:00 |
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