24 Hour Summary, based on data provided by Environment Agency
Here you can view the detailed data behind the latest measurement summary displayed on UK-AIR, and also a summary of information that has been displayed over the previous 24 hours. The detailed data tabulated below are from monitoring sites within the AURN. Graphs of hourly monitoring data are also available to view as weekly time series. You can also subscribe to this information as an email alert.
- View the legend
- Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to 8pm Mon 1st Jun 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 |
71 (3 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 01/06/2026 01:00:00 |
| Bush Estate Timeseries Graph |
73 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 01/06/2026 19:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 01/06/2026 08:00:00 |
| Edinburgh St Leonards Timeseries Graph |
70 (3 Low) | 7 (1 Low) | 3 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 01/06/2026 12:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 01/06/2026 08:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 24 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 01:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | n/m | 01/06/2026 08:00:00 |
| Glasgow Townhead Timeseries Graph |
74 (3 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 01/06/2026 01:00:00 |
| Grangemouth Timeseries Graph |
n/m | 14 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *1 | 01/06/2026 09:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 01/06/2026 07:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 01:00:00 |
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 |
71 (3 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 16:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 17:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 33 (1 Low) | n/m | 6 (1 Low) | n/m | 01/06/2026 20:00:00 |
| Derby Stockbrook Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 20:00:00 |
| Ladybower Timeseries Graph |
80 (3 Low) | 8 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 15:30:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 19:00:00 |
| Leicester University Timeseries Graph |
66 (2 Low) | 26 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 18:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 01/06/2026 07:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 19:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 18:00:00 |
| Northampton Spring Park Timeseries Graph |
68 (3 Low) | 9 (1 Low) | n/m | 6 (1 Low) | n/m | 01/06/2026 13:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 19:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
67 (3 Low) | 20 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 31/05/2026 22:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 27 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 19:00:00 |
| Tallington Timeseries Graph |
79 (3 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 01/06/2026 20:00:00 |
| Toft Newton Timeseries Graph |
85 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 20:00:00 |
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 | 11 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 01/06/2026 19:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 01/06/2026 18:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 01/06/2026 18:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 7 (1 Low) | n/m | 01/06/2026 18:00:00 |
| Norwich Lakenfields Timeseries Graph |
80 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 01/06/2026 01:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 20:00:00 |
| Sibton Timeseries Graph |
82 (3 Low) | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 01/06/2026 01:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 20:00:00 |
| Southend-on-Sea Timeseries Graph |
76 (3 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 01/06/2026 20:00:00 |
| St Osyth Timeseries Graph |
80 (3 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 01:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *1 | 01/06/2026 01:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 01/06/2026 20:00:00 |
| Thurrock Timeseries Graph |
0 (1 Low) | 18 (1 Low) | 3 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 01/06/2026 06:45:00 |
| Weybourne Timeseries Graph |
82 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 01:00:00 |
| Wicken Fen Timeseries Graph |
71 (3 Low) | 7 (1 Low) | 3 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 01:15:00 |
Greater London
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Camden Kerbside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *1 | 01/06/2026 19:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 45 (3 Low) *1 | 01/06/2026 19:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 01/06/2026 08:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 01/06/2026 18:00:00 |
| London Bexley Timeseries Graph |
n/m | 16 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 19:00:00 |
| London Bloomsbury Timeseries Graph |
66 (2 Low) | 11 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 01/06/2026 10:15:00 |
| London Farringdon Street Timeseries Graph |
n/m | 28 (1 Low) | n/m | 7 (1 Low) | n/m | 01/06/2026 19:00:00 |
| London Haringey Priory Park South Timeseries Graph |
78 (3 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 19:00:00 |
| London Harlington Timeseries Graph |
78 (3 Low) | 22 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 17:00:00 |
| London Hillingdon Timeseries Graph |
75 (3 Low) | 42 (1 Low) | n/m | 7 (1 Low) | 21 (2 Low) *2 | 01/06/2026 18:00:00 |
| London Honor Oak Park Timeseries Graph |
84 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 19:00:00 |
| London Marylebone Road Timeseries Graph |
63 (2 Low) | 52 (1 Low) | 12 (1 Low) | 8 (1 Low) | 22 (2 Low) *1 | 01/06/2026 11:00:00 |
| London N. Kensington Timeseries Graph |
80 (3 Low) | 7 (1 Low) | 3 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 10:30:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 19:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 01/06/2026 18:00:00 |
| London Westminster Timeseries Graph |
70 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 31/05/2026 24:00: |
Highland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Fort William Timeseries Graph |
61 (2 Low) | 12 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Inverness Timeseries Graph |
n/m | 17 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 01/06/2026 20:00:00 |
| Lerwick Timeseries Graph |
72 (3 Low) | n/m | n/m | n/m | n/m | 01/06/2026 19:00:00 |
| Strathvaich Timeseries Graph |
79 (3 Low) | n/m | n/m | n/m | n/m | 31/05/2026 21:00:00 |
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 | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 20:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
66 (2 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 20:00:00 |
| Kielder Water Timeseries Graph |
63 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 01/06/2026 01:00:00 |
| Middlesbrough Timeseries Graph |
64 (2 Low) | 8 (1 Low) | 2 (1 Low) | 3 (1 Low) | 9 (1 Low) *1 | 01/06/2026 18:30:00 |
| Newcastle Centre Timeseries Graph |
66 (2 Low) | 20 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *1 | 01/06/2026 09:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 01/06/2026 15:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 16:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 4 (1 Low) | n/m | 01/06/2026 20:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 7 (1 Low) | n/m | 7 (1 Low) | 8 (1 Low) *1 | 01/06/2026 17:00:00 |
| Sunderland Silksworth Timeseries Graph |
68 (3 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 01/06/2026 16:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 13 (1 Low) | n/m | 3 (1 Low) | n/m | 01/06/2026 17:00:00 |
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 |
58 (2 Low) | 35 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 01/06/2026 20:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 01/06/2026 08:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 01/06/2026 06:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 01/06/2026 18:00:00 |
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 |
56 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 01/06/2026 10:00:00 |
| Wrexham Timeseries Graph |
n/m | 22 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 08:45:00 |
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 | 13 (1 Low) | n/m | 5 (1 Low) | n/m | 01/06/2026 09:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 01/06/2026 16:00:00 |
| Blackburn Audley Park Timeseries Graph |
61 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 16:00:00 |
| Blackpool Marton Timeseries Graph |
68 (3 Low) | 16 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 01/06/2026 09:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 01/06/2026 08:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 31/05/2026 24:00: |
| Carlisle Morton A595 Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | n/a | 01/06/2026 06:00:00 |
| Crewe Coppenhall Timeseries Graph |
64 (2 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 11:00:00 |
| Glazebury Timeseries Graph |
69 (3 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 15:00:00 |
| Liverpool Speke Timeseries Graph |
64 (2 Low) | 10 (1 Low) | 37 (1 Low) | 6 (1 Low) | 13 (1 Low) *1 | 01/06/2026 07:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
61 (2 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 09:00:00 |
| Manchester Piccadilly Timeseries Graph |
61 (2 Low) | 27 (1 Low) | 2 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 01/06/2026 11:15:00 |
| Manchester Sharston Timeseries Graph |
49 (2 Low) | 19 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 15:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 01/06/2026 14:00:00 |
| Preston Timeseries Graph |
64 (2 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 12:00:00 |
| Salford Eccles Timeseries Graph |
76 (3 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 16:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 31/05/2026 22:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 01/06/2026 08:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 01/06/2026 01:00:00 |
| Warrington Timeseries Graph |
n/m | 17 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *1 | 01/06/2026 09:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 01/06/2026 02:00:00 |
| Wigan Centre Timeseries Graph |
65 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 11:00:00 |
| Wirral Tranmere Timeseries Graph |
63 (2 Low) | 11 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 09:00:00 |
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 | 37 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 01/06/2026 14:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 01/06/2026 08:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 22 (1 Low) | 3 (1 Low) | n/m | n/m | 01/06/2026 11:45:00 |
| Belfast Centre Timeseries Graph |
55 (2 Low) | 24 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 09:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 01/06/2026 12:00:00 |
| Derry Rosemount Timeseries Graph |
57 (2 Low) | 7 (1 Low) | 2 (1 Low) | 1 (1 Low) | 8 (1 Low) *1 | 01/06/2026 16:45:00 |
| Lough Navar Timeseries Graph |
42 (2 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 01/06/2026 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 | 21 (1 Low) | n/m | n/m | n/m | 01/06/2026 12:00:00 |
| Eskdalemuir Timeseries Graph |
66 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Peebles Timeseries Graph |
69 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
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 | 01/06/2026 17:00:00 |
| Brighton Preston Park Timeseries Graph |
64 (2 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 01/06/2026 15:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 5 (1 Low) | 20 (2 Low) *1 | 01/06/2026 19:00:00 |
| Chilbolton Observatory Timeseries Graph |
82 (3 Low) | 3 (1 Low) | 2 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 10:45:00 |
| Eastbourne Timeseries Graph |
74 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 01/06/2026 16:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 17:00:00 |
| Horley Timeseries Graph |
n/m | 44 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 01/06/2026 18:00:00 |
| Lullington Heath Timeseries Graph |
81 (3 Low) | 7 (1 Low) | 2 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 31/05/2026 21:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 01/06/2026 19:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
69 (3 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 01/06/2026 18:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 01/06/2026 18:00:00 |
| Oxford St Ebbes Timeseries Graph |
71 (3 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 16:00:00 |
| Portsmouth Timeseries Graph |
65 (2 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 01/06/2026 15:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 25 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 01/06/2026 15:00:00 |
| Reading London Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 31/05/2026 21:00:00 |
| Reading New Town Timeseries Graph |
70 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 16:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 01/06/2026 15:00:00 |
| Rochester Stoke Timeseries Graph |
81 (3 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 10:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 01/06/2026 18:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 31 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 01/06/2026 15:00:00 |
| Southampton Centre Timeseries Graph |
62 (2 Low) | 22 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 01/06/2026 06:30:00 |
| Storrington Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 01/06/2026 18:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 11 (1 Low) | n/m | 01/06/2026 18:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 01/06/2026 15:00:00 |
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 |
60 (2 Low) | 17 (1 Low) | 1 (1 Low) | 8 (1 Low) | 16 (1 Low) *1 | 01/06/2026 17:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 01/06/2026 17:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 32 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *1 | 01/06/2026 11:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
70 (3 Low) | 8 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 01/06/2026 15:00:00 |
| Narberth Timeseries Graph |
61 (2 Low) | 3 (1 Low) | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 01/06/2026 16:30:00 |
| Newport Timeseries Graph |
n/m | 11 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 01/06/2026 12:00:00 |
| Port Talbot Margam Timeseries Graph |
61 (2 Low) | 27 (1 Low) | 1 (1 Low) | 8 (1 Low) | 22 (2 Low) *3 | 01/06/2026 14:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *1 | 01/06/2026 05:00:00 |
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) | 14 (1 Low) *2 | 01/06/2026 07:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 01/06/2026 18:00:00 |
| Bournemouth Timeseries Graph |
63 (2 Low) | 9 (1 Low) | n/m | 8 (1 Low) | n/m | 01/06/2026 15:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 01/06/2026 11:00:00 |
| Bristol St Paul's Timeseries Graph |
66 (2 Low) | 16 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *1 | 01/06/2026 02:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 32 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 01/06/2026 09:00:00 |
| Charlton Mackrell Timeseries Graph |
66 (2 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 01/06/2026 11:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 1 (1 Low) | n/m | 01/06/2026 15:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 6 (1 Low) | n/m | 01/06/2026 16:00:00 |
| Exeter Roadside Timeseries Graph |
59 (2 Low) | 18 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 01/06/2026 14:00:00 |
| Honiton Timeseries Graph |
60 (2 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 11:00:00 |
| Plymouth Centre Timeseries Graph |
59 (2 Low) | 26 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 01/06/2026 09:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 01/06/2026 17:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 15 (1 Low) *1 | 01/06/2026 08:00:00 |
| Swindon Walcot Timeseries Graph |
73 (3 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 13:00:00 |
| Yarner Wood Timeseries Graph |
49 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 09:00:00 |
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 |
68 (3 Low) | n/m | n/m | n/m | n/m | 31/05/2026 20:00:00 |
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 | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 18:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
61 (2 Low) | 33 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 01/06/2026 19:00:00 |
| Birmingham Hall Green Timeseries Graph |
75 (3 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 17:00:00 |
| Birmingham Ladywood Timeseries Graph |
77 (3 Low) | 11 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 15:15:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 18:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
69 (3 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 19:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 5 (1 Low) | n/m | 01/06/2026 20:00:00 |
| Coventry Allesley Timeseries Graph |
68 (3 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 17:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 25 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 17:00:00 |
| Leamington Spa Timeseries Graph |
73 (3 Low) | 19 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 17:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 17:00:00 |
| Leominster Timeseries Graph |
67 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 01/06/2026 18:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 09:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 20:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
58 (2 Low) | 23 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 20:00:00 |
| Telford Hollinswood Timeseries Graph |
78 (3 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 12:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 18:00:00 |
| Walsall Woodlands Timeseries Graph |
73 (3 Low) | 11 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
66 (2 Low) | n/a | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 16:00:00 |
Yorkshire & Humberside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnsley Gawber Timeseries Graph |
67 (3 Low) | 11 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 14:45:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 31/05/2026 21:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 01/06/2026 18:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
67 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 01/06/2026 17:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 21 (1 Low) | n/m | 6 (1 Low) | n/m | 01/06/2026 20:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/06/2026 18:00:00 |
| High Muffles Timeseries Graph |
70 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 01/06/2026 20:00:00 |
| Hull Freetown Timeseries Graph |
72 (3 Low) | 48 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 07:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/06/2026 20:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
76 (3 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 01/06/2026 20:00:00 |
| Leeds Centre Timeseries Graph |
64 (2 Low) | 26 (1 Low) | 3 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 01/06/2026 03:15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *1 | 01/06/2026 18:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 01/06/2026 19:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 9 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 01/06/2026 16:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 6 (1 Low) | n/m | 01/06/2026 19:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
70 (3 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 17:00:00 |
| Sheffield Tinsley Timeseries Graph |
63 (2 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 01/06/2026 18:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 01/06/2026 18:00:00 |
| York Bootham Timeseries Graph |
61 (2 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *1 | 01/06/2026 19:00:00 |
| York Fishergate Timeseries Graph |
n/m | 20 (1 Low) | n/m | 3 (1 Low) | 16 (1 Low) *1 | 01/06/2026 20:00:00 |
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