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 Tue 6th 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 |
65 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 06/01/2026 08:00 |
| Bush Estate Timeseries Graph |
73 (3 Low) | 12 (1 Low) | n/m | n/m | n/m | 05/01/2026 09:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 81 (2 Low) | n/m | n/m | n/m | 05/01/2026 10:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 82 (2 Low) | n/m | n/m | n/m | 05/01/2026 09:00 |
| Edinburgh St Leonards Timeseries Graph |
60 (2 Low) | 62 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 05/01/2026 11:15 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 94 (2 Low) | n/m | n/m | n/m | 05/01/2026 21:00 |
| Glasgow High Street Timeseries Graph |
n/m | 69 (2 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 107 (2 Low) | n/m | n/m | n/m | 05/01/2026 21:00 |
| Glasgow Townhead Timeseries Graph |
32 (1 Low) | 74 (2 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| Grangemouth Timeseries Graph |
n/m | 58 (1 Low) | 2 (1 Low) | 8 (1 Low) | 8 (1 Low) *1 | 05/01/2026 13:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 66 (1 Low) | n/m | n/m | n/m | 05/01/2026 20:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 56 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *2 | 06/01/2026 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 |
59 (2 Low) | 45 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 06/01/2026 08:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 9 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 72 (2 Low) | n/m | 10 (1 Low) | n/m | 06/01/2026 08:00 |
| Derby Stockbrook Park Timeseries Graph |
52 (2 Low) | n/m | n/m | 7 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Ladybower Timeseries Graph |
69 (3 Low) | 27 (1 Low) | 3 (1 Low) | 3 (1 Low) | 4 (1 Low) *2 | 05/01/2026 10:30 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 84 (2 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 06/01/2026 07:00 |
| Leicester University Timeseries Graph |
34 (2 Low) | 67 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 06/01/2026 07:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | n/m | 05/01/2026 09:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 12 (1 Low) *2 | 06/01/2026 08:00 |
| Northampton Spring Park Timeseries Graph |
51 (2 Low) | 53 (1 Low) | n/m | 18 (2 Low) | n/m | 06/01/2026 08:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 10 (1 Low) *2 | 06/01/2026 08:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
41 (2 Low) | 58 (1 Low) | 3 (1 Low) | 10 (1 Low) | 14 (1 Low) *2 | 05/01/2026 21:15 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 78 (2 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 06/01/2026 08:00 |
| Tallington Timeseries Graph |
59 (2 Low) | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| Toft Newton Timeseries Graph |
57 (2 Low) | 25 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
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 | 41 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 06/01/2026 07:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 05/01/2026 16:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 65 (1 Low) | n/m | 8 (1 Low) | n/m | 06/01/2026 06:00 |
| Norwich Lakenfields Timeseries Graph |
52 (2 Low) | 34 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Sibton Timeseries Graph |
54 (2 Low) | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 10 (1 Low) *2 | 06/01/2026 08:00 |
| Southend-on-Sea Timeseries Graph |
49 (2 Low) | 48 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| St Osyth Timeseries Graph |
59 (2 Low) | 14 (1 Low) | n/m | 7 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 64 (1 Low) | n/m | 12 (2 Low) | 17 (2 Low) *1 | 06/01/2026 08:00 |
| Thurrock Timeseries Graph |
45 (2 Low) | 55 (1 Low) | 3 (1 Low) | 8 (1 Low) | 12 (1 Low) *2 | 06/01/2026 07:30 |
| Weybourne Timeseries Graph |
76 (3 Low) | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 06/01/2026 08:00 |
| Wicken Fen Timeseries Graph |
52 (2 Low) | 25 (1 Low) | 4 (1 Low) | 8 (1 Low) | 10 (1 Low) *2 | 05/01/2026 10:45 |
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 | 67 (1 Low) | n/m | 15 (2 Low) | 28 (2 Low) *1 | 06/01/2026 08:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 25 (2 Low) *1 | 06/01/2026 08:00 |
| Haringey Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 06/01/2026 04:00 |
| London Bexley Timeseries Graph |
n/m | 51 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 06/01/2026 08:00 |
| London Bloomsbury Timeseries Graph |
32 (1 Low) | 52 (1 Low) | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 05/01/2026 14:15 |
| London Farringdon Street Timeseries Graph |
n/m | 59 (1 Low) | n/m | 11 (1 Low) | n/m | 06/01/2026 08:00 |
| London Haringey Priory Park South Timeseries Graph |
51 (2 Low) | 38 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 07:00 |
| London Harlington Timeseries Graph |
46 (2 Low) | 42 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| London Hillingdon Timeseries Graph |
50 (2 Low) | 60 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 06/01/2026 05:00 |
| London Honor Oak Park Timeseries Graph |
50 (2 Low) | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 06/01/2026 07:00 |
| London Marylebone Road Timeseries Graph |
37 (2 Low) | 54 (1 Low) | 4 (1 Low) | 14 (2 Low) | 19 (2 Low) *1 | 06/01/2026 08:00 |
| London N. Kensington Timeseries Graph |
50 (2 Low) | 53 (1 Low) | 2 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 05/01/2026 11:15 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 06/01/2026 08:00 |
| London Westminster Timeseries Graph |
39 (2 Low) | 46 (1 Low) | n/m | n/m | n/m | 05/01/2026 17:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | 34 (3 Low) *1 | 06/01/2026 02:00 |
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 |
35 (2 Low) | 53 (1 Low) | n/m | n/m | n/m | 05/01/2026 09:00 |
| Inverness Timeseries Graph |
n/m | 47 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 06/01/2026 08:00 |
| Lerwick Timeseries Graph |
77 (3 Low) | n/m | n/m | n/m | n/m | 05/01/2026 14:00 |
| Strathvaich Timeseries Graph |
80 (3 Low) | n/m | n/m | n/m | n/m | 06/01/2026 08:00 |
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 |
60 (2 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 6 (1 Low) *2 | 06/01/2026 08:00 |
| Kielder Water Timeseries Graph |
63 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 06/01/2026 08:00 |
| Middlesbrough Timeseries Graph |
52 (2 Low) | 65 (1 Low) | 3 (1 Low) | 6 (1 Low) | 11 (1 Low) *1 | 05/01/2026 14:15 |
| Newcastle Centre Timeseries Graph |
55 (2 Low) | 47 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *1 | 05/01/2026 24:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 60 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 06/01/2026 08:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 5 (1 Low) | n/m | 06/01/2026 08:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 34 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *1 | 06/01/2026 08:00 |
| Sunderland Silksworth Timeseries Graph |
64 (2 Low) | 22 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 06/01/2026 08:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 68 (2 Low) | n/m | 4 (1 Low) | n/m | 06/01/2026 08:00 |
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) | 37 (1 Low) | n/m | 1 (1 Low) | 3 (1 Low) *2 | 06/01/2026 08:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 05/01/2026 15:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 06/01/2026 08:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | n/m | 05/01/2026 09:00 |
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 |
78 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 05/01/2026 09:00 |
| Wrexham Timeseries Graph |
n/m | 72 (2 Low) | 3 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 05/01/2026 18:15 |
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 | 75 (2 Low) | n/m | 8 (1 Low) | n/m | 06/01/2026 01:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 114 (2 Low) | n/m | n/m | n/m | 05/01/2026 19:00 |
| Blackburn Audley Park Timeseries Graph |
25 (1 Low) | n/m | n/m | 14 (2 Low) | 18 (2 Low) *2 | 06/01/2026 08:00 |
| Blackpool Marton Timeseries Graph |
57 (2 Low) | 69 (2 Low) | n/m | 14 (2 Low) | 17 (2 Low) *2 | 06/01/2026 08:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 06/01/2026 08:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 81 (2 Low) | n/m | n/m | 25 (2 Low) *1 | 05/01/2026 20:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 54 (1 Low) | n/m | 11 (1 Low) | 10 (1 Low) *1 | 06/01/2026 05:00 |
| Crewe Coppenhall Timeseries Graph |
27 (1 Low) | 82 (2 Low) | n/m | 17 (2 Low) | 20 (2 Low) *2 | 06/01/2026 04:00 |
| Glazebury Timeseries Graph |
44 (2 Low) | 49 (1 Low) | n/m | 15 (2 Low) | 18 (2 Low) *2 | 06/01/2026 08:00 |
| Liverpool Speke Timeseries Graph |
39 (2 Low) | 74 (2 Low) | 4 (1 Low) | 8 (1 Low) | 15 (1 Low) *1 | 05/01/2026 17:00 |
| Liverpool Thirlmere Park Timeseries Graph |
59 (2 Low) | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Manchester Piccadilly Timeseries Graph |
18 (1 Low) | 98 (2 Low) | 8 (1 Low) | 19 (2 Low) | 23 (2 Low) *2 | 05/01/2026 20:00 |
| Manchester Sharston Timeseries Graph |
17 (1 Low) | 85 (2 Low) | n/m | 15 (2 Low) | 19 (2 Low) *2 | 06/01/2026 07:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | n/m | 06/01/2026 06:00 |
| Preston Timeseries Graph |
22 (1 Low) | 88 (2 Low) | n/m | 12 (2 Low) | 16 (1 Low) *2 | 06/01/2026 08:00 |
| Salford Eccles Timeseries Graph |
20 (1 Low) | 98 (2 Low) | n/m | 22 (2 Low) | 27 (2 Low) *2 | 06/01/2026 08:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 81 (2 Low) | n/m | n/m | n/m | 05/01/2026 18:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 27 (2 Low) *1 | 13/12/2025 09:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 21 (2 Low) | n/m | 06/01/2026 08:00 |
| Warrington Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/a | 22 (2 Low) *1 | 23/12/2025 12:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 93 (2 Low) | n/m | n/m | n/m | 05/01/2026 18:00 |
| Wigan Centre Timeseries Graph |
39 (2 Low) | 65 (1 Low) | n/m | 23 (2 Low) | 27 (2 Low) *2 | 06/01/2026 08:00 |
| Wirral Tranmere Timeseries Graph |
62 (2 Low) | 68 (2 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 01:00 |
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 | 85 (2 Low) | n/m | n/m | 14 (1 Low) *1 | 05/01/2026 09:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 05/01/2026 18:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 59 (1 Low) | 37 (1 Low) | n/m | n/m | 05/01/2026 18:00 |
| Belfast Centre Timeseries Graph |
55 (2 Low) | 38 (1 Low) | 1 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 05/01/2026 08:15 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 85 (2 Low) | n/m | n/m | 14 (1 Low) *1 | 05/01/2026 10:00 |
| Derry Rosemount Timeseries Graph |
65 (2 Low) | 40 (1 Low) | 29 (1 Low) | 10 (1 Low) | 12 (1 Low) *1 | 05/01/2026 18:45 |
| Lough Navar Timeseries Graph |
51 (2 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 06/01/2026 05:00 |
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 | 79 (2 Low) | n/m | n/m | n/m | 05/01/2026 18:00 |
| Eskdalemuir Timeseries Graph |
68 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 05/01/2026 14:00 |
| Peebles Timeseries Graph |
36 (2 Low) | 39 (1 Low) | n/m | n/m | n/m | 05/01/2026 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 | 6 (1 Low) | n/m | 06/01/2026 08:00 |
| Brighton Preston Park Timeseries Graph |
48 (2 Low) | 47 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 05/01/2026 24:00 |
| Chatham Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *1 | 06/01/2026 07:00 |
| Chilbolton Observatory Timeseries Graph |
70 (3 Low) | 11 (1 Low) | 2 (1 Low) | 5 (1 Low) | 6 (1 Low) *2 | 06/01/2026 05:00 |
| Eastbourne Timeseries Graph |
54 (2 Low) | 33 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 06/01/2026 08:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 06/01/2026 08:00 |
| Horley Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/a | n/a | 05/01/2026 24:00 |
| Lullington Heath Timeseries Graph |
63 (2 Low) | 17 (1 Low) | 2 (1 Low) | 7 (1 Low) | 9 (1 Low) *2 | 05/01/2026 12:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 05/01/2026 24:00 |
| Milton Keynes Civic Centre Timeseries Graph |
49 (2 Low) | n/m | n/m | 6 (1 Low) | 8 (1 Low) *2 | 06/01/2026 06:00 |
| 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 |
52 (2 Low) | 46 (1 Low) | n/m | 5 (1 Low) | 6 (1 Low) *2 | 06/01/2026 08:00 |
| Portsmouth Timeseries Graph |
51 (2 Low) | 52 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 06/01/2026 06:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 62 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 06/01/2026 07:00 |
| Reading London Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 05/01/2026 09:00 |
| Reading New Town Timeseries Graph |
53 (2 Low) | 41 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 06/01/2026 08:00 |
| Rochester Stoke Timeseries Graph |
56 (2 Low) | 34 (1 Low) | 5 (1 Low) | 8 (1 Low) | 9 (1 Low) *2 | 05/01/2026 13:15 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 06/01/2026 08:00 |
| Southampton A33 Timeseries Graph |
n/m | 68 (2 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Southampton Centre Timeseries Graph |
52 (2 Low) | 63 (1 Low) | 14 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Storrington Roadside Timeseries Graph |
n/m | 71 (2 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 06/01/2026 06:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 68 (2 Low) | n/m | 14 (2 Low) | n/m | 06/01/2026 01:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 14 (1 Low) *2 | 05/01/2026 24:00 |
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 |
51 (2 Low) | 61 (1 Low) | 3 (1 Low) | 10 (1 Low) | 9 (1 Low) *1 | 05/01/2026 10:15 |
| Cardiff Newport Road Timeseries Graph |
n/m | 79 (2 Low) | n/m | n/m | 14 (1 Low) *1 | 05/01/2026 10:00 |
| Chepstow A48 Timeseries Graph |
n/m | 76 (2 Low) | n/m | 8 (1 Low) | 11 (1 Low) *1 | 05/01/2026 24:00 |
| Cwmbran Crownbridge Timeseries Graph |
67 (3 Low) | 49 (1 Low) | n/m | n/m | n/m | 05/01/2026 17:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 05/01/2026 08:00 |
| Narberth Timeseries Graph |
69 (3 Low) | 3 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 05/01/2026 10:45 |
| Newport Timeseries Graph |
n/m | 72 (2 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 06/01/2026 02:00 |
| Port Talbot Margam Timeseries Graph |
59 (2 Low) | 59 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *3 | 05/01/2026 17:15 |
| Swansea Roadside Timeseries Graph |
n/m | 68 (2 Low) | n/m | 8 (1 Low) | 9 (1 Low) *1 | 06/01/2026 08:00 |
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 | 6 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 70 (2 Low) | n/m | n/m | n/m | 05/01/2026 19:00 |
| Bournemouth Timeseries Graph |
58 (2 Low) | 50 (1 Low) | n/m | 10 (1 Low) | n/m | 06/01/2026 08:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
| Bristol St Paul's Timeseries Graph |
49 (2 Low) | 78 (2 Low) | n/m | 20 (2 Low) | 28 (2 Low) *1 | 06/01/2026 08:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 79 (2 Low) | n/m | 14 (2 Low) | 27 (2 Low) *2 | 06/01/2026 08:00 |
| Charlton Mackrell Timeseries Graph |
67 (3 Low) | 15 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 06/01/2026 08:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 06/01/2026 07:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 62 (1 Low) | n/m | 13 (2 Low) | n/m | 06/01/2026 08:00 |
| Exeter Roadside Timeseries Graph |
40 (2 Low) | 60 (1 Low) | n/m | n/m | n/m | 05/01/2026 20:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 06/01/2026 06:00 |
| Honiton Timeseries Graph |
54 (2 Low) | 34 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 06/01/2026 02:00 |
| Plymouth Centre Timeseries Graph |
50 (2 Low) | 59 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 06/01/2026 01:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 06/01/2026 07:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *1 | 06/01/2026 03:00 |
| Swindon Walcot Timeseries Graph |
54 (2 Low) | 49 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 05/01/2026 24:00 |
| Yarner Wood Timeseries Graph |
68 (3 Low) | 4 (1 Low) | n/m | 2 (1 Low) | 3 (1 Low) *2 | 06/01/2026 08:00 |
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 |
90 (3 Low) | n/m | n/m | n/m | n/m | 06/01/2026 07:00 |
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 |
34 (2 Low) | 74 (2 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 05/01/2026 24:00 |
| Birmingham Hall Green Timeseries Graph |
50 (2 Low) | 73 (2 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 06/01/2026 07:00 |
| Birmingham Ladywood Timeseries Graph |
37 (2 Low) | 73 (2 Low) | 2 (1 Low) | 5 (1 Low) | 7 (1 Low) *2 | 05/01/2026 11:15 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 05/01/2026 24:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
52 (2 Low) | 67 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 06/01/2026 08:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 58 (1 Low) | n/m | 6 (1 Low) | n/m | 06/01/2026 02:00 |
| Coventry Allesley Timeseries Graph |
46 (2 Low) | 58 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 67 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 06:00 |
| Leamington Spa Timeseries Graph |
39 (2 Low) | 61 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 06/01/2026 06:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 66 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) *2 | 06/01/2026 06:00 |
| Leominster Timeseries Graph |
56 (2 Low) | 53 (1 Low) | n/m | n/m | n/m | 05/01/2026 18:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 92 (2 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 06/01/2026 08:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 06/01/2026 06:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 108 (2 Low) | n/m | 13 (2 Low) | 24 (2 Low) *2 | 06/01/2026 08:00 |
| Stoke-on-Trent Centre Timeseries Graph |
36 (2 Low) | 63 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 06/01/2026 08:00 |
| Telford Hollinswood Timeseries Graph |
62 (2 Low) | 41 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 06/01/2026 08:00 |
| Walsall Woodlands Timeseries Graph |
59 (2 Low) | 55 (1 Low) | n/m | n/m | n/m | 05/01/2026 07:00 |
| West Bromwich Kenrick Park Timeseries Graph |
46 (2 Low) | 73 (2 Low) | n/m | n/m | n/m | 05/01/2026 09:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
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 |
59 (2 Low) | 31 (1 Low) | 4 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 05/01/2026 13:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 68 (2 Low) | n/m | n/m | n/m | 06/01/2026 06:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
50 (2 Low) | 43 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 06/01/2026 08:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 69 (2 Low) | n/m | 6 (1 Low) | n/m | 06/01/2026 08:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 5 (1 Low) *2 | 06/01/2026 08:00 |
| High Muffles Timeseries Graph |
65 (2 Low) | 9 (1 Low) | n/m | 1 (1 Low) | 2 (1 Low) *2 | 05/01/2026 24:00 |
| Hull Freetown Timeseries Graph |
56 (2 Low) | 58 (1 Low) | 2 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 64 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
| Immingham Woodlands Avenue Timeseries Graph |
60 (2 Low) | 43 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 06/01/2026 08:00 |
| Leeds Centre Timeseries Graph |
52 (2 Low) | 49 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 05/01/2026 22:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 50 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *1 | 06/01/2026 07:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 18 (2 Low) | 22 (2 Low) *2 | 05/01/2026 24:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 52 (1 Low) | 4 (1 Low) | 12 (2 Low) | 14 (1 Low) *1 | 05/01/2026 23:30 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 69 (2 Low) | n/m | 8 (1 Low) | n/m | 06/01/2026 08:00 |
| Sheffield Devonshire Green Timeseries Graph |
61 (2 Low) | 62 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 06/01/2026 08:00 |
| Sheffield Tinsley Timeseries Graph |
45 (2 Low) | 74 (2 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 06/01/2026 08:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 06/01/2026 08:00 |
| York Bootham Timeseries Graph |
40 (2 Low) | 54 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *1 | 06/01/2026 08:00 |
| York Fishergate Timeseries Graph |
n/m | 74 (2 Low) | n/m | 10 (1 Low) | 19 (2 Low) *1 | 06/01/2026 08:00 |
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