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 Thu 1st Jan 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 |
74 (3 Low) | n/m | n/m | 1 (1 Low) | 2 (1 Low) *2 | 31/12/2025 24:00 |
| Bush Estate Timeseries Graph |
79 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 01/01/2026 01:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 31/12/2025 14:00 |
| Edinburgh St Leonards Timeseries Graph |
67 (3 Low) | 27 (1 Low) | 2 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 01/01/2026 01:30 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Glasgow High Street Timeseries Graph |
n/m | 33 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 31/12/2025 24:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Glasgow Townhead Timeseries Graph |
74 (3 Low) | 36 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/12/2025 24:00 |
| Grangemouth Timeseries Graph |
n/m | 31 (1 Low) | 2 (1 Low) | 7 (1 Low) | 8 (1 Low) *1 | 31/12/2025 08:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 01/01/2026 08:00 |
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) | 18 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 01/01/2026 06:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 01/01/2026 06:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 42 (1 Low) | n/m | 8 (1 Low) | n/m | 01/01/2026 04:00 |
| Derby Stockbrook Park Timeseries Graph |
69 (3 Low) | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 01/01/2026 04:00 |
| Ladybower Timeseries Graph |
75 (3 Low) | 5 (1 Low) | 1 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 01/01/2026 01:15 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 69 (2 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 31/12/2025 24:00 |
| Leicester University Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 27/12/2025 01:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 31/12/2025 11:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 8 (1 Low) *2 | 31/12/2025 24:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 8 (1 Low) *2 | 01/01/2026 06:00 |
| Northampton Spring Park Timeseries Graph |
70 (3 Low) | 27 (1 Low) | n/m | 18 (2 Low) | n/m | 31/12/2025 24:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 01/01/2026 04:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
65 (2 Low) | 36 (1 Low) | 1 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 01/01/2026 00:30 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 49 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 31/12/2025 24:00 |
| Tallington Timeseries Graph |
71 (3 Low) | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 31/12/2025 24:00 |
| Toft Newton Timeseries Graph |
64 (2 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/12/2025 24:00 |
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 | 33 (1 Low) | n/m | 14 (2 Low) | 16 (1 Low) *2 | 01/01/2026 04:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 01/01/2026 01:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 31/12/2025 17:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 15 (2 Low) | n/m | 01/01/2026 02:00 |
| Norwich Lakenfields Timeseries Graph |
57 (2 Low) | 18 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 01/01/2026 02:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 16 (1 Low) *2 | 01/01/2026 01:00 |
| Sibton Timeseries Graph |
54 (2 Low) | n/m | n/m | 7 (1 Low) | 9 (1 Low) *2 | 01/01/2026 03:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 17 (2 Low) *2 | 01/01/2026 04:00 |
| Southend-on-Sea Timeseries Graph |
45 (2 Low) | 47 (1 Low) | n/m | 16 (2 Low) | 19 (2 Low) *2 | 01/01/2026 04:00 |
| St Osyth Timeseries Graph |
56 (2 Low) | 27 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 01/01/2026 06:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 57 (1 Low) | n/m | 21 (2 Low) | 25 (2 Low) *1 | 01/01/2026 03:00 |
| Thurrock Timeseries Graph |
53 (2 Low) | 46 (1 Low) | 2 (1 Low) | 16 (2 Low) | 20 (2 Low) *2 | 31/12/2025 10:45 |
| Weybourne Timeseries Graph |
71 (3 Low) | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 31/12/2025 24:00 |
| Wicken Fen Timeseries Graph |
57 (2 Low) | 18 (1 Low) | 3 (1 Low) | 9 (1 Low) | 11 (1 Low) *2 | 31/12/2025 11:30 |
Greater London
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Camden Kerbside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 24 (3 Low) | 30 (2 Low) *1 | 01/01/2026 04:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 27 (2 Low) *1 | 01/01/2026 02:00 |
| Haringey Roadside Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 31/12/2025 18:00 |
| London Bexley Timeseries Graph |
n/m | 43 (1 Low) | n/m | 18 (2 Low) | 22 (2 Low) *2 | 01/01/2026 03:00 |
| London Bloomsbury Timeseries Graph |
36 (2 Low) | 61 (1 Low) | 2 (1 Low) | 17 (2 Low) | 20 (2 Low) *2 | 31/12/2025 11:15 |
| London Farringdon Street Timeseries Graph |
n/m | 59 (1 Low) | n/m | 20 (2 Low) | n/m | 01/01/2026 04:00 |
| London Haringey Priory Park South Timeseries Graph |
46 (2 Low) | 44 (1 Low) | n/m | 15 (2 Low) | 18 (2 Low) *2 | 01/01/2026 04:00 |
| London Harlington Timeseries Graph |
54 (2 Low) | 49 (1 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 01/01/2026 02:00 |
| London Hillingdon Timeseries Graph |
39 (2 Low) | 53 (1 Low) | n/m | 16 (2 Low) | 19 (2 Low) *2 | 01/01/2026 02:00 |
| London Honor Oak Park Timeseries Graph |
56 (2 Low) | n/m | n/m | 16 (2 Low) | 19 (2 Low) *2 | 01/01/2026 03:00 |
| London Marylebone Road Timeseries Graph |
27 (1 Low) | 50 (1 Low) | 5 (1 Low) | 25 (3 Low) | 29 (2 Low) *1 | 01/01/2026 01:45 |
| London N. Kensington Timeseries Graph |
45 (2 Low) | 53 (1 Low) | 2 (1 Low) | 17 (2 Low) | 20 (2 Low) *2 | 31/12/2025 20:30 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 22 (2 Low) *2 | 01/01/2026 02:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 19 (2 Low) *2 | 01/01/2026 03:00 |
| London Westminster Timeseries Graph |
42 (2 Low) | 48 (1 Low) | n/m | n/m | n/m | 01/01/2026 08:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 31/12/2025 09:00 |
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 |
79 (3 Low) | 18 (1 Low) | n/m | n/m | n/m | 01/01/2026 03:00 |
| Inverness Timeseries Graph |
n/m | 21 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 01/01/2026 08:00 |
| Lerwick Timeseries Graph |
85 (3 Low) | n/m | n/m | n/m | n/m | 31/12/2025 16:00 |
| Strathvaich Timeseries Graph |
87 (3 Low) | n/m | n/m | n/m | n/m | 31/12/2025 22:00 |
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 |
62 (2 Low) | 34 (1 Low) | n/m | 4 (1 Low) | 5 (1 Low) *2 | 31/12/2025 24:00 |
| Kielder Water Timeseries Graph |
63 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 31/12/2025 24:00 |
| Middlesbrough Timeseries Graph |
67 (3 Low) | 29 (1 Low) | 2 (1 Low) | 4 (1 Low) | 10 (1 Low) *1 | 31/12/2025 22:15 |
| Newcastle Centre Timeseries Graph |
67 (3 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 31/12/2025 24:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/12/2025 24:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 3 (1 Low) | n/m | 31/12/2025 24:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/a | 8 (1 Low) *1 | 24/12/2025 11:00 |
| Sunderland Silksworth Timeseries Graph |
69 (3 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 31/12/2025 24:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 16 (1 Low) | n/m | 3 (1 Low) | n/m | 31/12/2025 24:00 |
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 |
79 (3 Low) | 23 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 01/01/2026 08:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 31/12/2025 11:00 |
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 |
76 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 01/01/2026 04:00 |
| Wrexham Timeseries Graph |
n/m | 17 (1 Low) | 1 (1 Low) | 5 (1 Low) | 7 (1 Low) *2 | 31/12/2025 21:00 |
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 | 19 (1 Low) | n/m | 7 (1 Low) | n/m | 31/12/2025 24:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 31/12/2025 12:00 |
| Blackburn Audley Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 24:00 |
| Blackpool Marton Timeseries Graph |
73 (3 Low) | 9 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 24:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 31/12/2025 24:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 31/12/2025 12:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 10 (1 Low) | n/m | 6 (1 Low) | 6 (1 Low) *1 | 31/12/2025 24:00 |
| Crewe Coppenhall Timeseries Graph |
69 (3 Low) | 42 (1 Low) | n/m | 11 (1 Low) | 14 (1 Low) *2 | 31/12/2025 24:00 |
| Glazebury Timeseries Graph |
75 (3 Low) | 28 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 31/12/2025 24:00 |
| Liverpool Speke Timeseries Graph |
74 (3 Low) | 26 (1 Low) | 2 (1 Low) | 7 (1 Low) | 15 (1 Low) *1 | 01/01/2026 00:45 |
| Liverpool Thirlmere Park Timeseries Graph |
75 (3 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/12/2025 24:00 |
| Manchester Piccadilly Timeseries Graph |
63 (2 Low) | 58 (1 Low) | 12 (1 Low) | 12 (2 Low) | 16 (1 Low) *2 | 31/12/2025 11:15 |
| Manchester Sharston Timeseries Graph |
68 (3 Low) | 57 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 31/12/2025 24:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 31/12/2025 24:00 |
| Preston Timeseries Graph |
69 (3 Low) | 63 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 31/12/2025 24:00 |
| Salford Eccles Timeseries Graph |
73 (3 Low) | 49 (1 Low) | n/m | 13 (2 Low) | 18 (2 Low) *2 | 31/12/2025 24:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 31/12/2025 12:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 18 (2 Low) *1 | 13/12/2025 09:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 01/01/2026 01:00 |
| Warrington Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/a | 18 (2 Low) *1 | 23/12/2025 12:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | n/m | 31/12/2025 11:00 |
| Wigan Centre Timeseries Graph |
71 (3 Low) | 42 (1 Low) | n/m | 13 (2 Low) | 17 (2 Low) *2 | 31/12/2025 24:00 |
| Wirral Tranmere Timeseries Graph |
73 (3 Low) | 9 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 31/12/2025 24:00 |
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 | 56 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 31/12/2025 12:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 31/12/2025 12:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 30 (1 Low) | 53 (1 Low) | n/m | n/m | 31/12/2025 20:15 |
| Belfast Centre Timeseries Graph |
57 (2 Low) | 52 (1 Low) | 3 (1 Low) | 17 (2 Low) | 21 (2 Low) *2 | 31/12/2025 08:15 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | 25 (2 Low) *1 | 31/12/2025 09:00 |
| Derry Rosemount Timeseries Graph |
73 (3 Low) | 18 (1 Low) | 7 (1 Low) | 13 (2 Low) | 17 (2 Low) *1 | 31/12/2025 22:45 |
| Lough Navar Timeseries Graph |
67 (3 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 01/01/2026 08:00 |
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 | 52 (1 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Eskdalemuir Timeseries Graph |
70 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 01/01/2026 06:00 |
| Peebles Timeseries Graph |
79 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 01/01/2026 03:00 |
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 | 15 (2 Low) | n/m | 01/01/2026 01:00 |
| Brighton Preston Park Timeseries Graph |
54 (2 Low) | 44 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 01/01/2026 02:00 |
| Chatham Roadside Timeseries Graph |
n/m | 56 (1 Low) | n/m | 13 (2 Low) | 23 (2 Low) *1 | 01/01/2026 03:00 |
| Chilbolton Observatory Timeseries Graph |
58 (2 Low) | 10 (1 Low) | 1 (1 Low) | 11 (1 Low) | 11 (1 Low) *2 | 31/12/2025 18:00 |
| Eastbourne Timeseries Graph |
60 (2 Low) | 31 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 01/01/2026 03:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 18 (2 Low) *2 | 01/01/2026 01:00 |
| Horley Timeseries Graph |
n/m | 45 (1 Low) | n/m | 16 (2 Low) | 18 (2 Low) *2 | 01/01/2026 05:00 |
| Lullington Heath Timeseries Graph |
69 (3 Low) | 11 (1 Low) | 2 (1 Low) | 8 (1 Low) | 10 (1 Low) *2 | 01/01/2026 04:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 21 (2 Low) *2 | 01/01/2026 04:00 |
| Milton Keynes Civic Centre Timeseries Graph |
62 (2 Low) | n/m | n/m | 11 (1 Low) | 13 (1 Low) *2 | 31/12/2025 24:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 19/08/2025 16:00 |
| Oxford St Ebbes Timeseries Graph |
60 (2 Low) | 31 (1 Low) | n/m | 11 (1 Low) | 13 (1 Low) *2 | 31/12/2025 24:00 |
| Portsmouth Timeseries Graph |
48 (2 Low) | 43 (1 Low) | n/m | 14 (2 Low) | 16 (1 Low) *2 | 01/01/2026 04:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 12 (2 Low) | 14 (1 Low) *2 | 01/01/2026 01:00 |
| Reading London Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 31/12/2025 18:00 |
| Reading New Town Timeseries Graph |
38 (2 Low) | 31 (1 Low) | n/m | 16 (2 Low) | 18 (2 Low) *2 | 01/01/2026 03:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 01/01/2026 03:00 |
| Rochester Stoke Timeseries Graph |
61 (2 Low) | 35 (1 Low) | 3 (1 Low) | 14 (2 Low) | 16 (1 Low) *2 | 31/12/2025 11:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 20 (2 Low) *2 | 01/01/2026 03:00 |
| Southampton A33 Timeseries Graph |
n/m | 49 (1 Low) | n/m | 18 (2 Low) | 20 (2 Low) *2 | 01/01/2026 03:00 |
| Southampton Centre Timeseries Graph |
31 (1 Low) | 49 (1 Low) | 5 (1 Low) | 18 (2 Low) | 21 (2 Low) *2 | 31/12/2025 18:30 |
| Storrington Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 16 (2 Low) | 19 (2 Low) *2 | 31/12/2025 24:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 20 (2 Low) | n/m | 01/01/2026 06:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 20 (2 Low) *2 | 01/01/2026 02:00 |
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 |
58 (2 Low) | 61 (1 Low) | 2 (1 Low) | 18 (2 Low) | 20 (2 Low) *1 | 01/01/2026 00:30 |
| Cardiff Newport Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 31/12/2025 19:00 |
| Chepstow A48 Timeseries Graph |
n/m | 84 (2 Low) | n/m | 14 (2 Low) | 17 (2 Low) *1 | 31/12/2025 24:00 |
| Cwmbran Crownbridge Timeseries Graph |
76 (3 Low) | 42 (1 Low) | n/m | n/m | n/m | 01/01/2026 08:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 31/12/2025 18:00 |
| Narberth Timeseries Graph |
71 (3 Low) | 5 (1 Low) | 2 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 31/12/2025 13:00 |
| Newport Timeseries Graph |
n/m | 46 (1 Low) | n/m | 12 (2 Low) | 15 (1 Low) *2 | 01/01/2026 02:00 |
| Port Talbot Margam Timeseries Graph |
65 (2 Low) | 54 (1 Low) | 4 (1 Low) | 8 (1 Low) | 13 (1 Low) *3 | 01/01/2026 02:00 |
| Swansea Roadside Timeseries Graph |
n/m | 75 (2 Low) | n/m | 12 (2 Low) | 18 (2 Low) *1 | 01/01/2026 06:00 |
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 | 14 (2 Low) | 18 (2 Low) *2 | 01/01/2026 03:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 65 (1 Low) | n/m | n/m | n/m | 31/12/2025 17:00 |
| Bournemouth Timeseries Graph |
54 (2 Low) | 43 (1 Low) | n/m | 22 (2 Low) | n/m | 01/01/2026 03:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 15 (1 Low) *2 | 31/12/2025 24:00 |
| Bristol St Paul's Timeseries Graph |
65 (2 Low) | 62 (1 Low) | n/m | 24 (3 Low) | 30 (2 Low) *1 | 31/12/2025 24:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 57 (1 Low) | n/m | 22 (2 Low) | 27 (2 Low) *2 | 31/12/2025 24:00 |
| Charlton Mackrell Timeseries Graph |
51 (2 Low) | 18 (1 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 01/01/2026 03:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | n/m | 31/12/2025 24:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 23 (2 Low) | n/m | 01/01/2026 02:00 |
| Exeter Roadside Timeseries Graph |
18 (1 Low) | 59 (1 Low) | n/m | n/m | n/m | 31/12/2025 19:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 20 (2 Low) *2 | 01/01/2026 01:00 |
| Honiton Timeseries Graph |
34 (2 Low) | 33 (1 Low) | n/m | 18 (2 Low) | 21 (2 Low) *2 | 01/01/2026 08:00 |
| Plymouth Centre Timeseries Graph |
38 (2 Low) | 80 (2 Low) | n/m | 19 (2 Low) | 24 (2 Low) *2 | 01/01/2026 07:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 73 (2 Low) | n/m | n/m | n/m | 31/12/2025 09:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 26 (2 Low) *1 | 01/01/2026 05:00 |
| Swindon Walcot Timeseries Graph |
59 (2 Low) | 35 (1 Low) | n/m | 16 (2 Low) | 18 (2 Low) *2 | 01/01/2026 02:00 |
| Yarner Wood Timeseries Graph |
70 (3 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/12/2025 10:00 |
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 |
83 (3 Low) | n/m | n/m | n/m | n/m | 01/01/2026 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 |
60 (2 Low) | 68 (2 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 01/01/2026 01:00 |
| Birmingham Hall Green Timeseries Graph |
73 (3 Low) | 40 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 01/01/2026 01:00 |
| Birmingham Ladywood Timeseries Graph |
54 (2 Low) | 42 (1 Low) | 4 (1 Low) | n/a | n/a | 01/01/2026 00:45 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 01/01/2026 01:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
73 (3 Low) | 46 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 01/01/2026 01:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 9 (1 Low) | n/m | 01/01/2026 02:00 |
| Coventry Allesley Timeseries Graph |
66 (2 Low) | 47 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 31/12/2025 24:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 01/01/2026 01:00 |
| Leamington Spa Timeseries Graph |
66 (2 Low) | 40 (1 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 31/12/2025 24:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 13 (2 Low) | 15 (1 Low) *2 | 31/12/2025 24:00 |
| Leominster Timeseries Graph |
73 (3 Low) | 20 (1 Low) | n/m | n/m | n/m | 01/01/2026 07:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/a | n/a | 24/12/2025 24:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 13 (1 Low) *2 | 31/12/2025 24:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 69 (2 Low) | n/m | 11 (1 Low) | 19 (2 Low) *2 | 31/12/2025 24:00 |
| Stoke-on-Trent Centre Timeseries Graph |
63 (2 Low) | 41 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 31/12/2025 24:00 |
| Telford Hollinswood Timeseries Graph |
71 (3 Low) | 55 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 24:00 |
| Walsall Woodlands Timeseries Graph |
69 (3 Low) | 38 (1 Low) | n/m | n/m | n/m | 01/01/2026 08:00 |
| West Bromwich Kenrick Park Timeseries Graph |
71 (3 Low) | 39 (1 Low) | n/m | n/m | n/m | 01/01/2026 08:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 16 (1 Low) *2 | 01/01/2026 01:00 |
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 |
74 (3 Low) | 12 (1 Low) | 3 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 31/12/2025 12:30 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 31/12/2025 16:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 01/01/2026 01:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
70 (3 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/12/2025 24:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 26 (1 Low) | n/m | 5 (1 Low) | n/m | 01/01/2026 01:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 01/01/2026 05:00 |
| High Muffles Timeseries Graph |
66 (2 Low) | 2 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 31/12/2025 24:00 |
| Hull Freetown Timeseries Graph |
61 (2 Low) | 33 (1 Low) | 2 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 31/12/2025 12:45 |
| Hull Holderness Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 01/01/2026 06:00 |
| Immingham Woodlands Avenue Timeseries Graph |
67 (3 Low) | 23 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 31/12/2025 24:00 |
| Leeds Centre Timeseries Graph |
64 (2 Low) | 27 (1 Low) | 2 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 31/12/2025 15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *1 | 01/01/2026 02:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 01/01/2026 01:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 36 (1 Low) | 15 (1 Low) | 6 (1 Low) | 10 (1 Low) *1 | 31/12/2025 10:30 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | 6 (1 Low) | n/m | 01/01/2026 05:00 |
| Sheffield Devonshire Green Timeseries Graph |
64 (2 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 31/12/2025 24:00 |
| Sheffield Tinsley Timeseries Graph |
65 (2 Low) | 30 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 01/01/2026 06:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/12/2025 24:00 |
| York Bootham Timeseries Graph |
56 (2 Low) | 39 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 31/12/2025 24:00 |
| York Fishergate Timeseries Graph |
n/m | 35 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 01/01/2026 06:00 |
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