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 10pm Thu 5th Mar 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 |
63 (2 Low) | n/m | n/m | 15 (2 Low) | 20 (2 Low) *2 | 05/03/2026 15:00 |
| Bush Estate Timeseries Graph |
72 (3 Low) | 11 (1 Low) | n/m | n/m | n/m | 04/03/2026 18:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 05/03/2026 13:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | n/m | 05/03/2026 18:00 |
| Edinburgh St Leonards Timeseries Graph |
66 (2 Low) | 28 (1 Low) | 1 (1 Low) | 15 (2 Low) | 23 (2 Low) *2 | 05/03/2026 08:45 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 04/03/2026 23:00 |
| Glasgow High Street Timeseries Graph |
n/m | 51 (1 Low) | n/m | 21 (2 Low) | 29 (2 Low) *2 | 05/03/2026 12:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 79 (2 Low) | n/m | n/m | n/m | 04/03/2026 23:00 |
| Glasgow Townhead Timeseries Graph |
88 (3 Low) | 31 (1 Low) | n/m | 19 (2 Low) | 26 (2 Low) *2 | 05/03/2026 12:00 |
| Grangemouth Timeseries Graph |
n/m | 39 (1 Low) | 2 (1 Low) | 14 (2 Low) | 25 (2 Low) *1 | 05/03/2026 00:45 |
| Grangemouth Moray Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | n/m | 04/03/2026 22:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 18 (2 Low) | 27 (2 Low) *2 | 05/03/2026 09:00 |
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 |
49 (2 Low) | 33 (1 Low) | n/m | 30 (3 Low) | 39 (3 Low) *2 | 05/03/2026 18:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 32 (3 Low) | 42 (3 Low) *2 | 05/03/2026 19:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 83 (2 Low) | n/m | 29 (3 Low) | n/m | 05/03/2026 16:00 |
| Derby Stockbrook Park Timeseries Graph |
49 (2 Low) | n/m | n/m | 27 (3 Low) | 38 (3 Low) *2 | 05/03/2026 21:00 |
| Ladybower Timeseries Graph |
64 (2 Low) | 37 (1 Low) | 23 (1 Low) | 32 (3 Low) | 39 (3 Low) *2 | 05/03/2026 10:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 97 (2 Low) | n/m | 31 (3 Low) | 42 (3 Low) *2 | 05/03/2026 15:00 |
| Leicester University Timeseries Graph |
53 (2 Low) | 46 (1 Low) | n/m | 29 (3 Low) | 35 (3 Low) *2 | 05/03/2026 15:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 05/03/2026 17:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 24 (3 Low) | 29 (2 Low) *2 | 05/03/2026 07:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 30 (3 Low) | 40 (3 Low) *2 | 05/03/2026 20:00 |
| Northampton Spring Park Timeseries Graph |
57 (2 Low) | 65 (1 Low) | n/m | 31 (3 Low) | n/m | 05/03/2026 13:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 29 (3 Low) | 37 (3 Low) *2 | 05/03/2026 16:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
51 (2 Low) | 50 (1 Low) | 2 (1 Low) | 34 (3 Low) | 41 (3 Low) *2 | 05/03/2026 20:30 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 72 (2 Low) | n/m | 34 (3 Low) | 50 (3 Low) *2 | 05/03/2026 22:00 |
| Tallington Timeseries Graph |
61 (2 Low) | n/m | n/m | 37 (4 Moderate) | 43 (3 Low) *2 | 05/03/2026 13:00 |
| Toft Newton Timeseries Graph |
71 (3 Low) | 18 (1 Low) | n/m | 35 (3 Low) | 41 (3 Low) *2 | 05/03/2026 17:00 |
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 | 36 (4 Moderate) | 43 (3 Low) *2 | 05/03/2026 12:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 37 (4 Moderate) | 43 (3 Low) *2 | 05/03/2026 12:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 99 (2 Low) | n/m | n/m | n/m | 05/03/2026 17:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 95 (2 Low) | n/m | 35 (3 Low) | n/m | 05/03/2026 12:00 |
| Norwich Lakenfields Timeseries Graph |
54 (2 Low) | 45 (1 Low) | n/m | 29 (3 Low) | 33 (2 Low) *2 | 05/03/2026 11:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 34 (3 Low) | 39 (3 Low) *2 | 05/03/2026 11:00 |
| Sibton Timeseries Graph |
58 (2 Low) | n/m | n/m | 29 (3 Low) | 35 (3 Low) *2 | 05/03/2026 11:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 35 (3 Low) | 40 (3 Low) *2 | 05/03/2026 07:00 |
| Southend-on-Sea Timeseries Graph |
59 (2 Low) | 56 (1 Low) | n/m | 37 (4 Moderate) | 43 (3 Low) *2 | 05/03/2026 08:00 |
| St Osyth Timeseries Graph |
59 (2 Low) | 49 (1 Low) | n/m | 35 (3 Low) | 40 (3 Low) *2 | 05/03/2026 06:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | 44 (5 Moderate) | n/a | 05/03/2026 09:00 |
| Thurrock Timeseries Graph |
54 (2 Low) | 69 (2 Low) | 7 (1 Low) | 34 (3 Low) | 41 (3 Low) *2 | 05/03/2026 08:00 |
| Weybourne Timeseries Graph |
60 (2 Low) | n/m | n/m | 35 (3 Low) | 41 (3 Low) *2 | 05/03/2026 13:00 |
| Wicken Fen Timeseries Graph |
58 (2 Low) | 32 (1 Low) | 7 (1 Low) | 34 (3 Low) | 40 (3 Low) *2 | 05/03/2026 18:15 |
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 | 77 (2 Low) | n/m | 41 (4 Moderate) | 51 (4 Moderate) *1 | 05/03/2026 10:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 53 (4 Moderate) *1 | 05/03/2026 11:00 |
| Haringey Roadside Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 05/03/2026 01:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 39 (4 Moderate) | n/m | 05/03/2026 11:00 |
| London Bexley Timeseries Graph |
n/m | 60 (1 Low) | n/m | 39 (4 Moderate) | 45 (3 Low) *2 | 05/03/2026 05:00 |
| London Bloomsbury Timeseries Graph |
57 (2 Low) | 63 (1 Low) | 4 (1 Low) | 37 (4 Moderate) | 45 (3 Low) *2 | 05/03/2026 09:30 |
| London Farringdon Street Timeseries Graph |
n/m | 66 (1 Low) | n/m | 45 (5 Moderate) | n/m | 05/03/2026 10:00 |
| London Haringey Priory Park South Timeseries Graph |
68 (3 Low) | 55 (1 Low) | n/m | 37 (4 Moderate) | 43 (3 Low) *2 | 05/03/2026 11:00 |
| London Harlington Timeseries Graph |
45 (2 Low) | 63 (1 Low) | n/m | 32 (3 Low) | 42 (3 Low) *2 | 05/03/2026 10:00 |
| London Hillingdon Timeseries Graph |
30 (1 Low) | 67 (1 Low) | n/m | 40 (4 Moderate) | 52 (4 Moderate) *2 | 05/03/2026 10:00 |
| London Honor Oak Park Timeseries Graph |
79 (3 Low) | n/m | n/m | 33 (3 Low) | 38 (3 Low) *2 | 05/03/2026 08:00 |
| London Marylebone Road Timeseries Graph |
44 (2 Low) | 71 (2 Low) | 7 (1 Low) | 54 (7 High) | 47 (3 Low) *1 | 05/03/2026 11:45 |
| London N. Kensington Timeseries Graph |
74 (3 Low) | 56 (1 Low) | 3 (1 Low) | 36 (4 Moderate) | 44 (3 Low) *2 | 05/03/2026 09:15 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 34 (3 Low) | 40 (3 Low) *2 | 05/03/2026 09:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 35 (3 Low) | 44 (3 Low) *2 | 05/03/2026 10:00 |
| London Westminster Timeseries Graph |
62 (2 Low) | 59 (1 Low) | n/m | n/m | n/m | 05/03/2026 20:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/a | 02/03/2026 21:00 |
Highland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Fort William Timeseries Graph |
82 (3 Low) | 25 (1 Low) | n/m | n/m | n/m | 05/03/2026 16:00 |
| Inverness Timeseries Graph |
n/m | 26 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *2 | 05/03/2026 10:00 |
| Lerwick Timeseries Graph |
86 (3 Low) | n/m | n/m | n/m | n/m | 05/03/2026 22:00 |
| Strathvaich Timeseries Graph |
98 (3 Low) | n/m | n/m | n/m | n/m | 05/03/2026 18:00 |
North East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Hartlepool St Abbs Walk Timeseries Graph |
27 (1 Low) | 51 (1 Low) | n/m | 40 (4 Moderate) | 50 (3 Low) *2 | 05/03/2026 22:00 |
| Kielder Water Timeseries Graph |
64 (2 Low) | n/m | n/m | 17 (2 Low) | 21 (2 Low) *2 | 05/03/2026 13:00 |
| Middlesbrough Timeseries Graph |
60 (2 Low) | 56 (1 Low) | 3 (1 Low) | 34 (3 Low) | 45 (3 Low) *1 | 05/03/2026 22:00 |
| Newcastle Centre Timeseries Graph |
48 (2 Low) | 46 (1 Low) | n/m | 36 (4 Moderate) | 45 (3 Low) *1 | 05/03/2026 22:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 75 (2 Low) | n/m | 35 (3 Low) | 46 (3 Low) *2 | 05/03/2026 22:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 38 (4 Moderate) | 51 (4 Moderate) *2 | 05/03/2026 22:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 41 (4 Moderate) | n/m | 05/03/2026 22:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 44 (1 Low) | n/m | 46 (5 Moderate) | 55 (4 Moderate) *1 | 05/03/2026 22:00 |
| Sunderland Silksworth Timeseries Graph |
50 (2 Low) | 51 (1 Low) | n/m | 36 (4 Moderate) | 45 (3 Low) *2 | 05/03/2026 22:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 67 (1 Low) | n/m | 39 (4 Moderate) | n/m | 05/03/2026 22:00 |
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 |
72 (3 Low) | 20 (1 Low) | n/m | 22 (2 Low) | 35 (3 Low) *2 | 05/03/2026 16:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 05/03/2026 15:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 09/02/2026 02:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 05/03/2026 15:00 |
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 |
52 (2 Low) | 15 (1 Low) | n/m | n/m | n/m | 05/03/2026 19:00 |
| Wrexham Timeseries Graph |
n/m | 39 (1 Low) | 3 (1 Low) | 31 (3 Low) | 40 (3 Low) *2 | 05/03/2026 09:00 |
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 | 46 (1 Low) | n/m | 39 (4 Moderate) | n/m | 05/03/2026 19:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 05/03/2026 19:00 |
| Blackburn Audley Park Timeseries Graph |
62 (2 Low) | n/m | n/m | 24 (3 Low) | 32 (2 Low) *2 | 05/03/2026 21:00 |
| Blackpool Marton Timeseries Graph |
62 (2 Low) | 30 (1 Low) | n/m | 31 (3 Low) | 39 (3 Low) *2 | 05/03/2026 18:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 31 (3 Low) | n/m | 05/03/2026 18:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | n/a | 05/03/2026 19:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 24 (1 Low) | n/m | 17 (2 Low) | 27 (2 Low) *1 | 05/03/2026 18:00 |
| Crewe Coppenhall Timeseries Graph |
43 (2 Low) | 47 (1 Low) | n/m | 32 (3 Low) | 39 (3 Low) *2 | 05/03/2026 20:00 |
| Glazebury Timeseries Graph |
50 (2 Low) | 44 (1 Low) | n/m | 28 (3 Low) | 36 (3 Low) *2 | 05/03/2026 21:00 |
| Liverpool Speke Timeseries Graph |
42 (2 Low) | 41 (1 Low) | 6 (1 Low) | 32 (3 Low) | 43 (3 Low) *1 | 05/03/2026 13:30 |
| Liverpool Thirlmere Park Timeseries Graph |
41 (2 Low) | n/m | n/m | 36 (4 Moderate) | 45 (3 Low) *2 | 05/03/2026 19:00 |
| Manchester Piccadilly Timeseries Graph |
56 (2 Low) | 57 (1 Low) | 3 (1 Low) | 24 (3 Low) | 34 (3 Low) *2 | 05/03/2026 09:15 |
| Manchester Sharston Timeseries Graph |
56 (2 Low) | 56 (1 Low) | n/m | 29 (3 Low) | 39 (3 Low) *2 | 05/03/2026 21:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 35 (3 Low) | n/m | 05/03/2026 20:00 |
| Preston Timeseries Graph |
52 (2 Low) | 51 (1 Low) | n/m | 26 (3 Low) | 35 (3 Low) *2 | 05/03/2026 20:00 |
| Salford Eccles Timeseries Graph |
50 (2 Low) | 61 (1 Low) | n/m | 34 (3 Low) | 53 (4 Moderate) *2 | 05/03/2026 21:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 68 (2 Low) | n/m | n/m | n/m | 05/03/2026 08:00 |
| St Helens Linkway Timeseries Graph |
n/m | 67 (1 Low) | n/m | n/m | 45 (3 Low) *1 | 05/03/2026 17:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 25 (3 Low) | n/m | 05/03/2026 22:00 |
| Warrington Timeseries Graph |
n/m | 37 (1 Low) | n/m | 33 (3 Low) | 45 (3 Low) *1 | 05/03/2026 20:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 05/03/2026 18:00 |
| Wigan Centre Timeseries Graph |
44 (2 Low) | 55 (1 Low) | n/m | 35 (3 Low) | 45 (3 Low) *2 | 05/03/2026 20:00 |
| Wirral Tranmere Timeseries Graph |
45 (2 Low) | 36 (1 Low) | n/m | 35 (3 Low) | 42 (3 Low) *2 | 05/03/2026 19:00 |
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 | 69 (2 Low) | n/m | n/m | 32 (2 Low) *1 | 05/03/2026 19:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 05/03/2026 18:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 11 (1 Low) | 24 (1 Low) | n/m | n/m | 05/03/2026 03:30 |
| Belfast Centre Timeseries Graph |
66 (2 Low) | 36 (1 Low) | 1 (1 Low) | 23 (2 Low) | 32 (2 Low) *2 | 05/03/2026 01:30 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 73 (2 Low) | n/m | n/m | 43 (3 Low) *1 | 05/03/2026 20:00 |
| Derry Rosemount Timeseries Graph |
82 (3 Low) | 25 (1 Low) | 9 (1 Low) | 10 (1 Low) | 21 (2 Low) *1 | 05/03/2026 21:15 |
| Lough Navar Timeseries Graph |
73 (3 Low) | n/m | n/m | 12 (2 Low) | 16 (1 Low) *2 | 05/03/2026 02:00 |
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 | 48 (1 Low) | n/m | n/m | n/m | 05/03/2026 09:00 |
| Eskdalemuir Timeseries Graph |
64 (2 Low) | 7 (1 Low) | n/m | n/m | n/m | 05/03/2026 22:00 |
| Peebles Timeseries Graph |
69 (3 Low) | 16 (1 Low) | n/m | n/m | n/m | 05/03/2026 18:00 |
South East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 30 (3 Low) | n/m | 05/03/2026 13:00 |
| Brighton Preston Park Timeseries Graph |
62 (2 Low) | 35 (1 Low) | n/m | 16 (2 Low) | 25 (2 Low) *2 | 05/03/2026 22:00 |
| Chatham Roadside Timeseries Graph |
n/m | 71 (2 Low) | n/m | 35 (3 Low) | 50 (3 Low) *1 | 05/03/2026 08:00 |
| Chilbolton Observatory Timeseries Graph |
70 (3 Low) | 23 (1 Low) | 3 (1 Low) | 19 (2 Low) | 27 (2 Low) *2 | 05/03/2026 12:15 |
| Eastbourne Timeseries Graph |
51 (2 Low) | 51 (1 Low) | n/m | 24 (3 Low) | 29 (2 Low) *2 | 05/03/2026 06:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 33 (3 Low) | 40 (3 Low) *2 | 05/03/2026 11:00 |
| Horley Timeseries Graph |
n/m | 33 (1 Low) | n/m | 34 (3 Low) | 42 (3 Low) *2 | 05/03/2026 10:00 |
| Lullington Heath Timeseries Graph |
75 (3 Low) | 19 (1 Low) | 2 (1 Low) | 18 (2 Low) | 23 (2 Low) *2 | 05/03/2026 14:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 40 (4 Moderate) | 46 (3 Low) *2 | 05/03/2026 12:00 |
| Milton Keynes Civic Centre Timeseries Graph |
59 (2 Low) | n/m | n/m | 31 (3 Low) | 38 (3 Low) *2 | 05/03/2026 13:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 05/03/2026 19:00 |
| Oxford St Ebbes Timeseries Graph |
58 (2 Low) | 42 (1 Low) | n/m | 29 (3 Low) | 36 (3 Low) *2 | 05/03/2026 12:00 |
| Portsmouth Timeseries Graph |
53 (2 Low) | 42 (1 Low) | n/m | 21 (2 Low) | 28 (2 Low) *2 | 05/03/2026 11:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | 24 (3 Low) | 31 (2 Low) *2 | 05/03/2026 10:00 |
| Reading London Road Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | 43 (3 Low) *1 | 05/03/2026 21:00 |
| Reading New Town Timeseries Graph |
62 (2 Low) | 65 (1 Low) | n/m | 37 (4 Moderate) | 44 (3 Low) *2 | 05/03/2026 10:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 37 (4 Moderate) | n/m | 05/03/2026 10:00 |
| Rochester Stoke Timeseries Graph |
65 (2 Low) | 48 (1 Low) | 13 (1 Low) | 36 (4 Moderate) | 40 (3 Low) *2 | 05/03/2026 10:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 38 (4 Moderate) | 53 (4 Moderate) *2 | 05/03/2026 10:00 |
| Southampton A33 Timeseries Graph |
n/m | 73 (2 Low) | n/m | 28 (3 Low) | 42 (3 Low) *2 | 05/03/2026 11:00 |
| Southampton Centre Timeseries Graph |
46 (2 Low) | 65 (1 Low) | 5 (1 Low) | 27 (3 Low) | 36 (3 Low) *2 | 05/03/2026 21:15 |
| Storrington Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | 20 (2 Low) | 42 (3 Low) *2 | 05/03/2026 22:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 21 (2 Low) | n/m | 05/03/2026 13:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 30 (2 Low) *2 | 05/03/2026 11:00 |
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 |
50 (2 Low) | 42 (1 Low) | 2 (1 Low) | 28 (3 Low) | 37 (3 Low) *1 | 05/03/2026 09:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | 52 (4 Moderate) *1 | 05/03/2026 17:00 |
| Chepstow A48 Timeseries Graph |
n/m | 62 (1 Low) | n/m | 26 (3 Low) | 35 (3 Low) *1 | 05/03/2026 13:00 |
| Cwmbran Crownbridge Timeseries Graph |
45 (2 Low) | 55 (1 Low) | n/m | n/m | n/m | 05/03/2026 17:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 05/03/2026 09:00 |
| Narberth Timeseries Graph |
65 (2 Low) | 20 (1 Low) | 2 (1 Low) | 24 (3 Low) | 33 (2 Low) *2 | 05/03/2026 07:45 |
| Newport Timeseries Graph |
n/m | 48 (1 Low) | n/m | 23 (2 Low) | 33 (2 Low) *2 | 05/03/2026 18:00 |
| Port Talbot Margam Timeseries Graph |
75 (3 Low) | 39 (1 Low) | 2 (1 Low) | 16 (2 Low) | 25 (2 Low) *3 | 04/03/2026 22:15 |
| Swansea Roadside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 19 (2 Low) | 29 (2 Low) *1 | 05/03/2026 19:00 |
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 | 30 (3 Low) | 38 (3 Low) *2 | 05/03/2026 11:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 03/03/2026 19:00 |
| Bournemouth Timeseries Graph |
57 (2 Low) | 45 (1 Low) | n/m | 25 (3 Low) | n/m | 05/03/2026 12:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 24 (3 Low) | 33 (2 Low) *2 | 05/03/2026 12:00 |
| Bristol St Paul's Timeseries Graph |
50 (2 Low) | 51 (1 Low) | n/m | 24 (3 Low) | 39 (3 Low) *1 | 05/03/2026 20:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 60 (1 Low) | n/m | 26 (3 Low) | 38 (3 Low) *2 | 05/03/2026 12:00 |
| Charlton Mackrell Timeseries Graph |
58 (2 Low) | 20 (1 Low) | n/m | 24 (3 Low) | 31 (2 Low) *2 | 05/03/2026 11:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 25 (3 Low) | n/m | 05/03/2026 17:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 74 (2 Low) | n/m | 25 (3 Low) | n/m | 05/03/2026 08:00 |
| Exeter Roadside Timeseries Graph |
46 (2 Low) | 44 (1 Low) | n/m | n/m | n/m | 05/03/2026 19:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 29 (3 Low) | 40 (3 Low) *2 | 05/03/2026 15:00 |
| Honiton Timeseries Graph |
59 (2 Low) | 31 (1 Low) | n/m | 27 (3 Low) | 33 (2 Low) *2 | 05/03/2026 09:00 |
| Plymouth Centre Timeseries Graph |
40 (2 Low) | 77 (2 Low) | n/m | 32 (3 Low) | 47 (3 Low) *2 | 05/03/2026 07:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 05/03/2026 20:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 22 (2 Low) | 36 (3 Low) *1 | 05/03/2026 08:00 |
| Swindon Walcot Timeseries Graph |
62 (2 Low) | 30 (1 Low) | n/m | 26 (3 Low) | 34 (3 Low) *2 | 05/03/2026 12:00 |
| Yarner Wood Timeseries Graph |
50 (2 Low) | 20 (1 Low) | n/m | 30 (3 Low) | 35 (3 Low) *2 | 05/03/2026 09:00 |
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 |
98 (3 Low) | n/m | n/m | n/m | n/m | 05/03/2026 06:00 |
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 |
| Birmingham A4540 Roadside Timeseries Graph |
41 (2 Low) | 90 (2 Low) | n/m | 34 (3 Low) | 50 (3 Low) *2 | 05/03/2026 21:00 |
| Birmingham Hall Green Timeseries Graph |
61 (2 Low) | 64 (1 Low) | n/m | 28 (3 Low) | 39 (3 Low) *2 | 05/03/2026 20:00 |
| Birmingham Ladywood Timeseries Graph |
57 (2 Low) | 77 (2 Low) | 4 (1 Low) | 31 (3 Low) | 40 (3 Low) *2 | 05/03/2026 19:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 35 (3 Low) | 44 (3 Low) *2 | 05/03/2026 15:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
51 (2 Low) | 64 (1 Low) | n/m | 29 (3 Low) | 38 (3 Low) *2 | 05/03/2026 15:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 72 (2 Low) | n/m | 34 (3 Low) | n/m | 05/03/2026 14:00 |
| Coventry Allesley Timeseries Graph |
53 (2 Low) | 68 (2 Low) | n/m | 27 (3 Low) | 36 (3 Low) *2 | 05/03/2026 14:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 82 (2 Low) | n/m | 29 (3 Low) | 42 (3 Low) *2 | 05/03/2026 14:00 |
| Leamington Spa Timeseries Graph |
58 (2 Low) | 54 (1 Low) | n/m | 30 (3 Low) | 38 (3 Low) *2 | 05/03/2026 14:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 80 (2 Low) | n/m | 30 (3 Low) | 37 (3 Low) *2 | 05/03/2026 14:00 |
| Leominster Timeseries Graph |
40 (2 Low) | 43 (1 Low) | n/m | n/m | n/m | 04/03/2026 23:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 81 (2 Low) | n/m | 33 (3 Low) | 46 (3 Low) *2 | 05/03/2026 21:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 32 (3 Low) | 40 (3 Low) *2 | 05/03/2026 20:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 98 (2 Low) | n/m | 36 (4 Moderate) | 50 (3 Low) *2 | 05/03/2026 21:00 |
| Stoke-on-Trent Centre Timeseries Graph |
41 (2 Low) | 65 (1 Low) | n/m | 32 (3 Low) | 42 (3 Low) *2 | 05/03/2026 21:00 |
| Telford Hollinswood Timeseries Graph |
54 (2 Low) | 56 (1 Low) | n/m | 27 (3 Low) | 35 (3 Low) *2 | 05/03/2026 21:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 36 (4 Moderate) | 47 (3 Low) *2 | 05/03/2026 22:00 |
| Walsall Woodlands Timeseries Graph |
61 (2 Low) | 46 (1 Low) | n/m | n/m | n/m | 05/03/2026 18:00 |
| West Bromwich Kenrick Park Timeseries Graph |
50 (2 Low) | 63 (1 Low) | n/m | n/m | n/m | 05/03/2026 18:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 29 (3 Low) | 38 (3 Low) *2 | 05/03/2026 14:00 |
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 |
51 (2 Low) | 70 (2 Low) | 7 (1 Low) | 40 (4 Moderate) | 53 (4 Moderate) *2 | 05/03/2026 19:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 77 (2 Low) | n/m | n/m | n/m | 05/03/2026 21:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 46 (5 Moderate) | 71 (6 Moderate) *2 | 05/03/2026 22:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
38 (2 Low) | 63 (1 Low) | n/m | 42 (5 Moderate) | 53 (4 Moderate) *2 | 05/03/2026 22:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 80 (2 Low) | n/m | 41 (4 Moderate) | n/m | 05/03/2026 21:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 43 (5 Moderate) | 54 (4 Moderate) *2 | 05/03/2026 22:00 |
| High Muffles Timeseries Graph |
62 (2 Low) | 19 (1 Low) | n/m | 28 (3 Low) | 32 (2 Low) *2 | 05/03/2026 22:00 |
| Hull Freetown Timeseries Graph |
48 (2 Low) | 53 (1 Low) | 7 (1 Low) | 41 (4 Moderate) | 51 (4 Moderate) *2 | 05/03/2026 11:30 |
| Hull Holderness Road Timeseries Graph |
n/m | 55 (1 Low) | n/m | 39 (4 Moderate) | 48 (3 Low) *2 | 05/03/2026 22:00 |
| Immingham Woodlands Avenue Timeseries Graph |
54 (2 Low) | 38 (1 Low) | n/m | 33 (3 Low) | 43 (3 Low) *2 | 05/03/2026 22:00 |
| Leeds Centre Timeseries Graph |
32 (1 Low) | 72 (2 Low) | 6 (1 Low) | 47 (5 Moderate) | 62 (5 Moderate) *2 | 04/03/2026 23:15 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 59 (1 Low) | n/m | 47 (5 Moderate) | 70 (6 Moderate) *1 | 05/03/2026 22:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 34 (3 Low) | 45 (3 Low) *2 | 05/03/2026 22:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 46 (1 Low) | 3 (1 Low) | 35 (3 Low) | 44 (3 Low) *1 | 05/03/2026 16:30 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 97 (2 Low) | n/m | 36 (4 Moderate) | n/m | 05/03/2026 20:00 |
| Sheffield Devonshire Green Timeseries Graph |
43 (2 Low) | 68 (2 Low) | n/m | 38 (4 Moderate) | 52 (4 Moderate) *2 | 05/03/2026 20:00 |
| Sheffield Tinsley Timeseries Graph |
45 (2 Low) | 73 (2 Low) | n/m | 31 (3 Low) | 42 (3 Low) *2 | 05/03/2026 19:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 48 (6 Moderate) | 76 (7 High) *2 | 05/03/2026 22:00 |
| York Bootham Timeseries Graph |
46 (2 Low) | 38 (1 Low) | n/m | 42 (5 Moderate) | 51 (4 Moderate) *1 | 05/03/2026 22:00 |
| York Fishergate Timeseries Graph |
n/m | 44 (1 Low) | n/m | 39 (4 Moderate) | 61 (5 Moderate) *1 | 05/03/2026 22:00 |
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