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 10am Sat 17th Oct 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 |
59 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 17/10/2026 01:00:00 |
| Bush Estate Timeseries Graph |
65 (2 Low) | 4 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 16/10/2026 20:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 59 (1 Low) | n/m | n/m | n/m | 16/10/2026 20:00:00 |
| Edinburgh St Leonards Timeseries Graph |
58 (2 Low) | 38 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 16/10/2026 16:15:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 16/10/2026 17:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 48 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 10:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | n/m | 16/10/2026 18:00:00 |
| Glasgow Townhead Timeseries Graph |
54 (2 Low) | 44 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| Grangemouth Timeseries Graph |
n/m | 22 (1 Low) | 2 (1 Low) | 8 (1 Low) | 7 (1 Low) *1 | 17/10/2026 09:15:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 16/10/2026 10:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 23 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
East Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Chesterfield Loundsley Green Timeseries Graph |
58 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 42 (1 Low) | n/m | 5 (1 Low) | n/m | 17/10/2026 02:00:00 |
| Derby Stockbrook Park Timeseries Graph |
54 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 02:00:00 |
| Ladybower Timeseries Graph |
50 (2 Low) | 9 (1 Low) | 1 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 16/10/2026 11:45:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 17/10/2026 05:00:00 |
| Leicester University Timeseries Graph |
41 (2 Low) | 33 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 05:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 03:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 05:00:00 |
| Northampton Spring Park Timeseries Graph |
60 (2 Low) | 12 (1 Low) | n/m | 7 (1 Low) | n/m | 17/10/2026 06:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 03:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
52 (2 Low) | 28 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 16/10/2026 10:15:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 43 (1 Low) | n/m | 12 (2 Low) | 30 (2 Low) *2 | 17/10/2026 07:00:00 |
| Tallington Timeseries Graph |
63 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 07:00:00 |
| Toft Newton Timeseries Graph |
64 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/10/2026 08:00:00 |
| Wigston Centre Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 06:00:00 |
Eastern
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Borehamwood Meadow Park Timeseries Graph |
n/m | 14 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 17/10/2026 10:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 4 (1 Low) | n/m | 17/10/2026 09:00:00 |
| Norwich Lakenfields Timeseries Graph |
47 (2 Low) | 17 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 01:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 08:00:00 |
| Sibton Timeseries Graph |
55 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 17/10/2026 01:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 09/09/2026 01:00:00 |
| Southend-on-Sea Timeseries Graph |
52 (2 Low) | 12 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| St Osyth Timeseries Graph |
63 (2 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *1 | 17/10/2026 01:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 04/09/2026 01:00:00 |
| Thurrock Timeseries Graph |
49 (2 Low) | 19 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 16/10/2026 14:30:00 |
| Weybourne Timeseries Graph |
66 (2 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 17/10/2026 10:00:00 |
| Wicken Fen Timeseries Graph |
55 (2 Low) | 8 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 16/10/2026 14:45:00 |
Greater London
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Camden Kerbside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *1 | 17/10/2026 02:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 32 (2 Low) *1 | 17/10/2026 10:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 16/10/2026 22:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 17/10/2026 01:00:00 |
| London Bexley Timeseries Graph |
n/m | 31 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| London Bloomsbury Timeseries Graph |
43 (2 Low) | 30 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 16/10/2026 17:15:00 |
| London Farringdon Street Timeseries Graph |
n/m | 33 (1 Low) | n/m | 6 (1 Low) | n/m | 17/10/2026 10:00:00 |
| London Haringey Priory Park South Timeseries Graph |
50 (2 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| London Harlington Timeseries Graph |
54 (2 Low) | 32 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| London Hillingdon Timeseries Graph |
60 (2 Low) | 15 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 10:00:00 |
| London Honor Oak Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| London Marylebone Road Timeseries Graph |
60 (2 Low) | 28 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *1 | 16/10/2026 14:00:00 |
| London N. Kensington Timeseries Graph |
59 (2 Low) | 22 (1 Low) | 3 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 16/10/2026 10:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| London Westminster Timeseries Graph |
50 (2 Low) | 21 (1 Low) | n/m | n/m | n/m | 16/10/2026 18:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 16/10/2026 11:00:00 |
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 |
58 (2 Low) | 22 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Inverness Timeseries Graph |
n/m | 22 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 17/10/2026 01:00:00 |
| Lerwick Timeseries Graph |
74 (3 Low) | n/m | n/m | n/m | n/m | 16/10/2026 11:00:00 |
| Strathvaich Timeseries Graph |
72 (3 Low) | n/m | n/m | n/m | n/m | 16/10/2026 19:00:00 |
North East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Ashington Centre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 01:00:00 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 17/10/2026 01:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
51 (2 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Kielder Water Timeseries Graph |
53 (2 Low) | n/m | n/m | 1 (1 Low) | 4 (1 Low) *2 | 17/10/2026 01:00:00 |
| Middlesbrough Timeseries Graph |
55 (2 Low) | 37 (1 Low) | 1 (1 Low) | 3 (1 Low) | 10 (1 Low) *1 | 16/10/2026 16:15:00 |
| Newcastle Centre Timeseries Graph |
46 (2 Low) | 27 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 17/10/2026 01:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 01:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2026 01:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 23 (1 Low) | n/m | 5 (1 Low) | n/m | 17/10/2026 08:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *1 | 17/10/2026 10:00:00 |
| Sunderland Silksworth Timeseries Graph |
55 (2 Low) | 29 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 42 (1 Low) | n/m | 4 (1 Low) | n/m | 17/10/2026 01:00:00 |
North East Scotland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aberdeen Erroll Park Timeseries Graph |
61 (2 Low) | 16 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 06:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 16/10/2026 20:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 17/10/2026 10:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 16/10/2026 20:00:00 |
North Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aston Hill Timeseries Graph |
62 (2 Low) | 4 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Wrexham Timeseries Graph |
n/m | 36 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 06:30:00 |
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 | 41 (1 Low) | n/m | 4 (1 Low) | n/m | 17/10/2026 01:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 16/10/2026 20:00:00 |
| Blackburn Audley Park Timeseries Graph |
59 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 08:00:00 |
| Blackpool Marton Timeseries Graph |
70 (3 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2026 01:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 17/10/2026 01:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 16/10/2026 23:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 24 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *1 | 17/10/2026 03:00:00 |
| Crewe Coppenhall Timeseries Graph |
53 (2 Low) | 25 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 10:00:00 |
| Glazebury Timeseries Graph |
59 (2 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 17/10/2026 10:00:00 |
| Liverpool Speke Timeseries Graph |
57 (2 Low) | 24 (1 Low) | 2 (1 Low) | 4 (1 Low) | 12 (1 Low) *1 | 16/10/2026 18:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
62 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 01:00:00 |
| Manchester Piccadilly Timeseries Graph |
42 (2 Low) | 41 (1 Low) | 2 (1 Low) | 7 (1 Low) | 15 (1 Low) *2 | 15/10/2026 15:30:00 |
| Manchester Sharston Timeseries Graph |
47 (2 Low) | 35 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 17/10/2026 10:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 17/10/2026 10:00:00 |
| Preston Timeseries Graph |
50 (2 Low) | 47 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 04:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 17/10/2026 02:00:00 |
| Salford Eccles Timeseries Graph |
52 (2 Low) | 36 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/10/2026 01:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 16/10/2026 11:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 16/10/2026 21:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 11/10/2026 02:00:00 |
| Warrington St. Peter's Park Timeseries Graph |
n/m | 44 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 17/10/2026 10:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 56 (1 Low) | n/m | n/m | n/m | 16/10/2026 21:00:00 |
| Wigan Centre Timeseries Graph |
60 (2 Low) | 28 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2026 10:00:00 |
| Wirral Tranmere Timeseries Graph |
63 (2 Low) | 46 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 01:00:00 |
Northern Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Armagh Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 16/10/2026 20:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | n/m | 16/10/2026 23:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 33 (1 Low) | 48 (1 Low) | n/m | n/m | 16/10/2026 22:00:00 |
| Belfast Centre Timeseries Graph |
57 (2 Low) | 38 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 16/10/2026 10:45:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 71 (2 Low) | n/m | n/m | 16 (1 Low) *1 | 17/10/2026 10:00:00 |
| Derry Rosemount Timeseries Graph |
67 (3 Low) | 15 (1 Low) | 3 (1 Low) | 3 (1 Low) | 12 (1 Low) *1 | 16/10/2026 22:45:00 |
| Lough Navar Timeseries Graph |
53 (2 Low) | n/m | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/10/2026 02:00:00 |
Scottish Borders
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Dumfries Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 16/10/2026 22:00:00 |
| Eskdalemuir Timeseries Graph |
64 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Peebles Timeseries Graph |
60 (2 Low) | 10 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
South East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 17/10/2026 10:00:00 |
| Brighton Preston Park Timeseries Graph |
48 (2 Low) | 18 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *1 | 17/10/2026 08:00:00 |
| Chilbolton Observatory Timeseries Graph |
68 (3 Low) | 9 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 02:30:00 |
| Eastbourne Timeseries Graph |
56 (2 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Horley Timeseries Graph |
n/m | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Lullington Heath Timeseries Graph |
58 (2 Low) | 11 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 16/10/2026 10:15:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/10/2026 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
53 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 09:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 16/10/2026 21:00:00 |
| Oxford St Ebbes Timeseries Graph |
57 (2 Low) | 34 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 09:00:00 |
| Portsmouth Timeseries Graph |
58 (2 Low) | 22 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Reading London Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 16/10/2026 21:00:00 |
| Reading New Town Timeseries Graph |
56 (2 Low) | 18 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 17/10/2026 10:00:00 |
| Rochester Stoke Timeseries Graph |
62 (2 Low) | 15 (1 Low) | 1 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 16/10/2026 22:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 17/10/2026 10:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 36 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 10:00:00 |
| Southampton Centre Timeseries Graph |
58 (2 Low) | 26 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 15/10/2026 22:45:00 |
| Storrington Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2026 10:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 8 (1 Low) | n/m | 17/10/2026 10:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
South Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Cardiff Centre Timeseries Graph |
63 (2 Low) | 17 (1 Low) | 1 (1 Low) | 7 (1 Low) | 10 (1 Low) *1 | 16/10/2026 10:15:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | n/a | n/m | n/m | 15 (1 Low) *1 | 05/10/2026 09:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 49 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *1 | 17/10/2026 06:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
64 (2 Low) | 19 (1 Low) | n/m | n/m | n/m | 16/10/2026 17:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Narberth Timeseries Graph |
57 (2 Low) | 10 (1 Low) | 1 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 16/10/2026 10:15:00 |
| Newport Timeseries Graph |
n/m | 27 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 04:00:00 |
| Port Talbot Margam Timeseries Graph |
56 (2 Low) | 24 (1 Low) | 2 (1 Low) | 4 (1 Low) | 10 (1 Low) *3 | 17/10/2026 09:30:00 |
| Swansea Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *1 | 17/10/2026 10:00:00 |
South West
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 17/10/2026 03:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 17/10/2026 09:00:00 |
| Bournemouth Timeseries Graph |
57 (2 Low) | 21 (1 Low) | n/m | 6 (1 Low) | n/m | 17/10/2026 08:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 09:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 17/10/2026 06:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 06:00:00 |
| Bristol St Paul's Timeseries Graph |
58 (2 Low) | 33 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 17/10/2026 08:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 42 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 17/10/2026 06:00:00 |
| Charlton Mackrell Timeseries Graph |
64 (2 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 07:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 17/10/2026 10:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 91 (2 Low) | n/m | 7 (1 Low) | n/m | 17/10/2026 10:00:00 |
| Exeter Roadside Timeseries Graph |
51 (2 Low) | 39 (1 Low) | n/m | n/m | n/m | 16/10/2026 18:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2026 10:00:00 |
| Honiton Timeseries Graph |
60 (2 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 05:00:00 |
| Plymouth Centre Timeseries Graph |
51 (2 Low) | 47 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2026 05:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 17/10/2026 09:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 15 (1 Low) *1 | 17/10/2026 05:00:00 |
| Swindon Walcot Timeseries Graph |
61 (2 Low) | 31 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| Yarner Wood Timeseries Graph |
61 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 05:00:00 |
West Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Mace Head Timeseries Graph |
75 (3 Low) | n/m | n/m | n/m | n/m | 16/10/2026 12:00:00 |
West Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Bedworth Collycroft Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 08/10/2026 01:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
50 (2 Low) | 42 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/10/2026 10:00:00 |
| Birmingham Hall Green Timeseries Graph |
61 (2 Low) | 34 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 10:00:00 |
| Birmingham Ladywood Timeseries Graph |
55 (2 Low) | 29 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 16/10/2026 10:30:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 10:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
52 (2 Low) | 24 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 01:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 4 (1 Low) | n/m | 17/10/2026 10:00:00 |
| Coventry Allesley Timeseries Graph |
55 (2 Low) | 19 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 07:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 06:00:00 |
| Leamington Spa Timeseries Graph |
62 (2 Low) | 22 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 07:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 07:00:00 |
| Leominster Timeseries Graph |
64 (2 Low) | 14 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 17/10/2026 10:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 01:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 17/10/2026 10:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
42 (2 Low) | 43 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 17/10/2026 10:00:00 |
| Telford Hollinswood Timeseries Graph |
59 (2 Low) | 24 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 10:00:00 |
| Walsall Woodlands Timeseries Graph |
57 (2 Low) | 23 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
57 (2 Low) | 45 (1 Low) | n/m | n/m | n/m | 16/10/2026 19:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 10:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2026 10:00:00 |
Yorkshire & Humberside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnsley Gawber Timeseries Graph |
56 (2 Low) | 13 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 16/10/2026 11:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 16/10/2026 21:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 17/10/2026 01:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2026 01:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
58 (2 Low) | 27 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 28 (1 Low) | n/m | 4 (1 Low) | n/m | 17/10/2026 01:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 17/10/2026 01:00:00 |
| High Muffles Timeseries Graph |
51 (2 Low) | 9 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 17/10/2026 10:00:00 |
| Hull Freetown Timeseries Graph |
56 (2 Low) | 50 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 16/10/2026 09:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 17/10/2026 06:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
56 (2 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 17/10/2026 09:00:00 |
| Leeds Centre Timeseries Graph |
47 (2 Low) | 26 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 16/10/2026 15:15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *1 | 17/10/2026 03:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 17/10/2026 01:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 19 (1 Low) | 3 (1 Low) | 6 (1 Low) | 8 (1 Low) *1 | 16/10/2026 16:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 4 (1 Low) | n/m | 17/10/2026 05:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
57 (2 Low) | 26 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 17/10/2026 03:00:00 |
| Sheffield Tinsley Timeseries Graph |
50 (2 Low) | 30 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 17/10/2026 01:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 17/10/2026 01:00:00 |
| York Bootham Timeseries Graph |
44 (2 Low) | 16 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *1 | 17/10/2026 08:00:00 |
| York Fishergate Timeseries Graph |
n/m | 30 (1 Low) | n/m | 3 (1 Low) | 15 (1 Low) *1 | 17/10/2026 01:00:00 |
Legend
- n/m means that the pollutant is not measured at that site
- n/a means that no data were recorded for the period
- *1: measurements are PM10 BAM 1020 heated
- *2: measurements are PM10 FIDAS
- *3: measurements are PM10 SEQ 47/50