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 Wed 31st Dec 2025
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 |
62 (2 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 30/12/2025 24:00 |
| Bush Estate Timeseries Graph |
76 (3 Low) | 15 (1 Low) | n/m | n/m | n/m | 30/12/2025 09:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 71 (2 Low) | n/m | n/m | n/m | 30/12/2025 16:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | n/m | 30/12/2025 11:00 |
| Edinburgh St Leonards Timeseries Graph |
49 (2 Low) | 62 (1 Low) | 1 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 31/12/2025 01:30 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 74 (2 Low) | n/m | n/m | n/m | 30/12/2025 18:00 |
| Glasgow High Street Timeseries Graph |
n/m | 62 (1 Low) | n/m | 14 (2 Low) | 20 (2 Low) *2 | 31/12/2025 04:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 93 (2 Low) | n/m | n/m | n/m | 30/12/2025 20:00 |
| Glasgow Townhead Timeseries Graph |
22 (1 Low) | 66 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 31/12/2025 03:00 |
| Grangemouth Timeseries Graph |
n/m | 53 (1 Low) | 3 (1 Low) | 19 (2 Low) | 18 (2 Low) *1 | 30/12/2025 17:15 |
| Grangemouth Moray Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 30/12/2025 21:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 57 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 30/12/2025 24:00 |
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) | 23 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/12/2025 01:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 30/12/2025 24:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 65 (1 Low) | n/m | 7 (1 Low) | n/m | 30/12/2025 24:00 |
| Derby Stockbrook Park Timeseries Graph |
54 (2 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/12/2025 24:00 |
| Ladybower Timeseries Graph |
74 (3 Low) | 6 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 30/12/2025 14:45 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 79 (2 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 31/12/2025 02:00 |
| 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 | 74 (2 Low) | n/m | n/m | n/m | 30/12/2025 19:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 31/12/2025 01:00 |
| Northampton Spring Park Timeseries Graph |
61 (2 Low) | 26 (1 Low) | n/m | 13 (2 Low) | n/m | 31/12/2025 08:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 31/12/2025 01:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
60 (2 Low) | 31 (1 Low) | 1 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 31/12/2025 07:45 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 52 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 31/12/2025 08:00 |
| Tallington Timeseries Graph |
70 (3 Low) | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Toft Newton Timeseries Graph |
66 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 31/12/2025 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 | n/a | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 30/12/2025 18:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 71 (2 Low) | n/m | 9 (1 Low) | n/m | 31/12/2025 08:00 |
| Norwich Lakenfields Timeseries Graph |
66 (2 Low) | 42 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 31/12/2025 08:00 |
| Sibton Timeseries Graph |
65 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/12/2025 08:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Southend-on-Sea Timeseries Graph |
61 (2 Low) | 22 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| St Osyth Timeseries Graph |
71 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 31/12/2025 08:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *1 | 31/12/2025 08:00 |
| Thurrock Timeseries Graph |
61 (2 Low) | 50 (1 Low) | 3 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 01:15 |
| Weybourne Timeseries Graph |
85 (3 Low) | n/m | n/m | 11 (1 Low) | 27 (2 Low) *2 | 31/12/2025 04:00 |
| Wicken Fen Timeseries Graph |
58 (2 Low) | 11 (1 Low) | 3 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 30/12/2025 12:45 |
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 | 57 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *1 | 31/12/2025 08:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 18 (2 Low) *1 | 31/12/2025 08:00 |
| Haringey Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 31/12/2025 08:00 |
| London Bexley Timeseries Graph |
n/m | 33 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 31/12/2025 08:00 |
| London Bloomsbury Timeseries Graph |
41 (2 Low) | 43 (1 Low) | 1 (1 Low) | 8 (1 Low) | 12 (1 Low) *2 | 30/12/2025 21:00 |
| London Farringdon Street Timeseries Graph |
n/m | 59 (1 Low) | n/m | 9 (1 Low) | n/m | 31/12/2025 08:00 |
| London Haringey Priory Park South Timeseries Graph |
59 (2 Low) | 28 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| London Harlington Timeseries Graph |
55 (2 Low) | 39 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| London Hillingdon Timeseries Graph |
56 (2 Low) | 51 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 31/12/2025 08:00 |
| London Honor Oak Park Timeseries Graph |
71 (3 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| London Marylebone Road Timeseries Graph |
56 (2 Low) | 28 (1 Low) | 2 (1 Low) | 12 (2 Low) | 14 (1 Low) *1 | 31/12/2025 08:00 |
| London N. Kensington Timeseries Graph |
71 (3 Low) | 37 (1 Low) | 1 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 07:45 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 12 (1 Low) *2 | 31/12/2025 08:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 12 (1 Low) *2 | 31/12/2025 08:00 |
| London Westminster Timeseries Graph |
50 (2 Low) | 41 (1 Low) | n/m | n/m | n/m | 30/12/2025 18:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 31/12/2025 08:00 |
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 |
19 (1 Low) | 41 (1 Low) | n/m | n/m | n/m | 31/12/2025 08:00 |
| Inverness Timeseries Graph |
n/m | 52 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 30/12/2025 24:00 |
| Lerwick Timeseries Graph |
79 (3 Low) | n/m | n/m | n/m | n/m | 31/12/2025 08:00 |
| Strathvaich Timeseries Graph |
78 (3 Low) | n/m | n/m | n/m | n/m | 31/12/2025 05:00 |
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 |
80 (3 Low) | 16 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 30/12/2025 24:00 |
| Kielder Water Timeseries Graph |
54 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/12/2025 06:00 |
| Middlesbrough Timeseries Graph |
76 (3 Low) | 41 (1 Low) | 1 (1 Low) | 4 (1 Low) | 12 (1 Low) *1 | 30/12/2025 08:15 |
| Newcastle Centre Timeseries Graph |
66 (2 Low) | 24 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 31/12/2025 07:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/12/2025 07:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 4 (1 Low) | n/m | 31/12/2025 08:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/a | 11 (1 Low) *1 | 24/12/2025 11:00 |
| Sunderland Silksworth Timeseries Graph |
78 (3 Low) | 27 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/12/2025 08:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 6 (1 Low) | n/m | 31/12/2025 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 |
70 (3 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 30/12/2025 24:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 30/12/2025 18:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 30/12/2025 17:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 64 (1 Low) | n/m | n/m | n/m | 30/12/2025 18:00 |
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 |
65 (2 Low) | 12 (1 Low) | n/m | n/m | n/m | 30/12/2025 17:00 |
| Wrexham Timeseries Graph |
n/m | 56 (1 Low) | 6 (1 Low) | 9 (1 Low) | 15 (1 Low) *2 | 30/12/2025 13:30 |
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 | 55 (1 Low) | n/m | 9 (1 Low) | n/m | 31/12/2025 03:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | n/m | 30/12/2025 21:00 |
| Blackburn Audley Park Timeseries Graph |
47 (2 Low) | n/m | n/m | 11 (1 Low) | 17 (2 Low) *2 | 31/12/2025 08:00 |
| Blackpool Marton Timeseries Graph |
52 (2 Low) | 25 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 31/12/2025 06:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 31/12/2025 06:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 30/12/2025 23:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 50 (1 Low) | n/m | 12 (2 Low) | 15 (1 Low) *1 | 31/12/2025 06:00 |
| Crewe Coppenhall Timeseries Graph |
41 (2 Low) | 50 (1 Low) | n/m | 12 (2 Low) | 16 (1 Low) *2 | 31/12/2025 08:00 |
| Glazebury Timeseries Graph |
52 (2 Low) | 33 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 31/12/2025 08:00 |
| Liverpool Speke Timeseries Graph |
41 (2 Low) | 49 (1 Low) | 2 (1 Low) | 11 (1 Low) | 21 (2 Low) *1 | 31/12/2025 00:30 |
| Liverpool Thirlmere Park Timeseries Graph |
44 (2 Low) | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 31/12/2025 02:00 |
| Manchester Piccadilly Timeseries Graph |
51 (2 Low) | 52 (1 Low) | 3 (1 Low) | 12 (2 Low) | 16 (1 Low) *2 | 31/12/2025 08:00 |
| Manchester Sharston Timeseries Graph |
44 (2 Low) | 56 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 31/12/2025 07:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 31/12/2025 08:00 |
| Preston Timeseries Graph |
36 (2 Low) | 62 (1 Low) | n/m | 11 (1 Low) | 15 (1 Low) *2 | 31/12/2025 08:00 |
| Salford Eccles Timeseries Graph |
50 (2 Low) | 59 (1 Low) | n/m | 13 (2 Low) | 20 (2 Low) *2 | 31/12/2025 08:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 30/12/2025 23:00 |
| 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 | 7 (1 Low) | n/m | 31/12/2025 06:00 |
| Warrington Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/a | 21 (2 Low) *1 | 23/12/2025 12:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 73 (2 Low) | n/m | n/m | n/m | 30/12/2025 10:00 |
| Wigan Centre Timeseries Graph |
49 (2 Low) | 45 (1 Low) | n/m | 16 (2 Low) | 22 (2 Low) *2 | 31/12/2025 08:00 |
| Wirral Tranmere Timeseries Graph |
44 (2 Low) | 51 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 31/12/2025 04:00 |
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 | 58 (1 Low) | n/m | n/m | 37 (3 Low) *1 | 30/12/2025 21:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 72 (2 Low) | n/m | n/m | n/m | 30/12/2025 17:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 50 (1 Low) | 22 (1 Low) | n/m | n/m | 30/12/2025 23:15 |
| Belfast Centre Timeseries Graph |
58 (2 Low) | 78 (2 Low) | 12 (1 Low) | 23 (2 Low) | 32 (2 Low) *2 | 30/12/2025 23:45 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 109 (2 Low) | n/m | n/m | 43 (3 Low) *1 | 30/12/2025 17:00 |
| Derry Rosemount Timeseries Graph |
48 (2 Low) | 68 (2 Low) | 54 (1 Low) | 27 (3 Low) | 35 (3 Low) *1 | 30/12/2025 22:00 |
| Lough Navar Timeseries Graph |
55 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 30/12/2025 24:00 |
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 | 56 (1 Low) | n/m | n/m | n/m | 30/12/2025 17:00 |
| Eskdalemuir Timeseries Graph |
55 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 30/12/2025 09:00 |
| Peebles Timeseries Graph |
56 (2 Low) | 23 (1 Low) | n/m | n/m | n/m | 30/12/2025 09:00 |
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 | 8 (1 Low) | n/m | 31/12/2025 08:00 |
| Brighton Preston Park Timeseries Graph |
55 (2 Low) | 22 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| Chatham Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 7 (1 Low) | 19 (2 Low) *1 | 31/12/2025 08:00 |
| Chilbolton Observatory Timeseries Graph |
78 (3 Low) | 8 (1 Low) | 1 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 31/12/2025 00:15 |
| Eastbourne Timeseries Graph |
65 (2 Low) | 16 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 28 (3 Low) | 33 (2 Low) *2 | 31/12/2025 08:00 |
| Horley Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/a | n/a | 23/12/2025 24:00 |
| Lullington Heath Timeseries Graph |
76 (3 Low) | 9 (1 Low) | 2 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 30/12/2025 14:15 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 18 (2 Low) *2 | 31/12/2025 08:00 |
| Milton Keynes Civic Centre Timeseries Graph |
59 (2 Low) | n/m | n/m | 8 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| 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 |
62 (2 Low) | 30 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 31/12/2025 08:00 |
| Portsmouth Timeseries Graph |
62 (2 Low) | 32 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 31/12/2025 08:00 |
| Reading London Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/a | 30/12/2025 19:00 |
| Reading New Town Timeseries Graph |
66 (2 Low) | 40 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 31/12/2025 08:00 |
| Rochester Stoke Timeseries Graph |
74 (3 Low) | 17 (1 Low) | 2 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 30/12/2025 10:45 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 21 (2 Low) *2 | 31/12/2025 08:00 |
| Southampton A33 Timeseries Graph |
n/m | 52 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Southampton Centre Timeseries Graph |
58 (2 Low) | 60 (1 Low) | 4 (1 Low) | 10 (1 Low) | 15 (1 Low) *2 | 30/12/2025 19:45 |
| Storrington Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | 17 (2 Low) | 27 (2 Low) *2 | 31/12/2025 08:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | 12 (2 Low) | n/m | 31/12/2025 08:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 12 (1 Low) *2 | 31/12/2025 08:00 |
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 |
69 (3 Low) | 43 (1 Low) | 2 (1 Low) | 11 (1 Low) | 15 (1 Low) *1 | 30/12/2025 20:45 |
| Cardiff Newport Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 30/12/2025 20:00 |
| Chepstow A48 Timeseries Graph |
n/m | 33 (1 Low) | n/m | 8 (1 Low) | 20 (2 Low) *1 | 31/12/2025 01:00 |
| Cwmbran Crownbridge Timeseries Graph |
72 (3 Low) | 26 (1 Low) | n/m | n/m | n/m | 30/12/2025 18:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 31/12/2025 08:00 |
| Narberth Timeseries Graph |
72 (3 Low) | n/a | n/a | 5 (1 Low) | 7 (1 Low) *2 | 27/12/2025 13:15 |
| Newport Timeseries Graph |
n/m | 26 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 31/12/2025 08:00 |
| Port Talbot Margam Timeseries Graph |
74 (3 Low) | 31 (1 Low) | 3 (1 Low) | 5 (1 Low) | 9 (1 Low) *3 | 30/12/2025 22:15 |
| Swansea Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | 5 (1 Low) | 17 (2 Low) *1 | 30/12/2025 24:00 |
South West
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 31/12/2025 08:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 119 (2 Low) | n/m | n/m | n/m | 30/12/2025 24:00 |
| Bournemouth Timeseries Graph |
60 (2 Low) | 32 (1 Low) | n/m | 11 (1 Low) | n/m | 31/12/2025 08:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 31/12/2025 08:00 |
| Bristol St Paul's Timeseries Graph |
62 (2 Low) | 64 (1 Low) | n/m | 17 (2 Low) | 25 (2 Low) *1 | 31/12/2025 08:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 68 (2 Low) | n/m | 16 (2 Low) | 26 (2 Low) *2 | 31/12/2025 08:00 |
| Charlton Mackrell Timeseries Graph |
66 (2 Low) | 11 (1 Low) | n/m | 8 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 31/12/2025 08:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 12 (2 Low) | n/m | 31/12/2025 08:00 |
| Exeter Roadside Timeseries Graph |
56 (2 Low) | 46 (1 Low) | n/m | n/m | n/m | 30/12/2025 09:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 18 (2 Low) *2 | 31/12/2025 08:00 |
| Honiton Timeseries Graph |
60 (2 Low) | 23 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/12/2025 08:00 |
| Plymouth Centre Timeseries Graph |
64 (2 Low) | 58 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 30/12/2025 18:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 16 (1 Low) *1 | 31/12/2025 08:00 |
| Swindon Walcot Timeseries Graph |
61 (2 Low) | 43 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 31/12/2025 08:00 |
| Yarner Wood Timeseries Graph |
70 (3 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/12/2025 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 |
59 (2 Low) | n/m | n/m | n/m | n/m | 30/12/2025 08:00 |
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 |
48 (2 Low) | 60 (1 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 31/12/2025 08:00 |
| Birmingham Hall Green Timeseries Graph |
56 (2 Low) | 52 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 31/12/2025 08:00 |
| Birmingham Ladywood Timeseries Graph |
37 (2 Low) | 50 (1 Low) | 2 (1 Low) | n/a | n/a | 31/12/2025 08:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 14 (1 Low) *2 | 31/12/2025 08:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
60 (2 Low) | 46 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 31/12/2025 08:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 9 (1 Low) | n/m | 31/12/2025 08:00 |
| Coventry Allesley Timeseries Graph |
56 (2 Low) | 46 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 31/12/2025 08:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 31/12/2025 08:00 |
| Leamington Spa Timeseries Graph |
53 (2 Low) | 50 (1 Low) | n/m | 10 (1 Low) | 14 (1 Low) *2 | 31/12/2025 08:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *2 | 31/12/2025 08:00 |
| Leominster Timeseries Graph |
65 (2 Low) | 20 (1 Low) | n/m | n/m | n/m | 30/12/2025 17:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 62 (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) | 14 (1 Low) *2 | 31/12/2025 08:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | 12 (2 Low) | 19 (2 Low) *2 | 31/12/2025 08:00 |
| Stoke-on-Trent Centre Timeseries Graph |
54 (2 Low) | 52 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 31/12/2025 08:00 |
| Telford Hollinswood Timeseries Graph |
48 (2 Low) | 51 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 31/12/2025 07:00 |
| Walsall Woodlands Timeseries Graph |
61 (2 Low) | 31 (1 Low) | n/m | n/m | n/m | 30/12/2025 15:00 |
| West Bromwich Kenrick Park Timeseries Graph |
56 (2 Low) | 41 (1 Low) | n/m | n/m | n/m | 30/12/2025 17:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 15 (1 Low) *2 | 31/12/2025 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 |
61 (2 Low) | 37 (1 Low) | 2 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 30/12/2025 13:15 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 64 (1 Low) | n/m | n/m | n/m | 31/12/2025 01:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 16 (1 Low) *2 | 31/12/2025 06:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
60 (2 Low) | 41 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 31/12/2025 03:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 59 (1 Low) | n/m | 6 (1 Low) | n/m | 31/12/2025 06:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 30/12/2025 24:00 |
| High Muffles Timeseries Graph |
78 (3 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 30/12/2025 24:00 |
| Hull Freetown Timeseries Graph |
68 (3 Low) | 26 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 30/12/2025 13:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 31/12/2025 01:00 |
| Immingham Woodlands Avenue Timeseries Graph |
69 (3 Low) | 29 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/12/2025 08:00 |
| Leeds Centre Timeseries Graph |
60 (2 Low) | 29 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 31/12/2025 02:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *1 | 31/12/2025 06:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 20 (2 Low) *2 | 30/12/2025 24:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 34 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 30/12/2025 23:45 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 78 (2 Low) | n/m | 9 (1 Low) | n/m | 31/12/2025 08:00 |
| Sheffield Devonshire Green Timeseries Graph |
52 (2 Low) | 49 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 31/12/2025 04:00 |
| Sheffield Tinsley Timeseries Graph |
53 (2 Low) | 59 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 31/12/2025 01:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 31/12/2025 03:00 |
| York Bootham Timeseries Graph |
37 (2 Low) | 35 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 31/12/2025 07:00 |
| York Fishergate Timeseries Graph |
n/m | 44 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *1 | 31/12/2025 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