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 midday Mon 19th 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 |
53 (2 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 19/10/2026 12:00:00 |
| Bush Estate Timeseries Graph |
59 (2 Low) | 21 (1 Low) | n/m | n/m | n/m | 18/10/2026 18:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 18/10/2026 21:00:00 |
| Edinburgh St Leonards Timeseries Graph |
50 (2 Low) | 52 (1 Low) | 2 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 19/10/2026 10:15:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | n/m | 18/10/2026 21:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 55 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 19/10/2026 12:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 85 (2 Low) | n/m | n/m | n/m | 18/10/2026 20:00:00 |
| Glasgow Townhead Timeseries Graph |
39 (2 Low) | 53 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 19/10/2026 12:00:00 |
| Grangemouth Timeseries Graph |
n/m | 29 (1 Low) | 3 (1 Low) | 10 (1 Low) | 11 (1 Low) *1 | 19/10/2026 10:30:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 18/10/2026 20:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 19/10/2026 07:00:00 |
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 |
59 (2 Low) | 18 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 03:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 03:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | 3 (1 Low) | n/m | 19/10/2026 01:00:00 |
| Derby Stockbrook Park Timeseries Graph |
59 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 01:00:00 |
| Ladybower Timeseries Graph |
57 (2 Low) | 5 (1 Low) | 1 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 19/10/2026 12:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 19/10/2026 12:00:00 |
| Leicester University Timeseries Graph |
62 (2 Low) | 30 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | n/m | 19/10/2026 12:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Northampton Spring Park Timeseries Graph |
65 (2 Low) | 15 (1 Low) | n/m | 6 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 01:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
60 (2 Low) | 12 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 18/10/2026 21:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 18 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Tallington Timeseries Graph |
69 (3 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Toft Newton Timeseries Graph |
78 (3 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Wigston Centre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
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 | 26 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 19/10/2026 12:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 19/10/2026 10:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | 5 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Norwich Lakenfields Timeseries Graph |
56 (2 Low) | 22 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Sibton Timeseries Graph |
57 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 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 |
57 (2 Low) | 27 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 19/10/2026 12:00:00 |
| St Osyth Timeseries Graph |
66 (2 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 10:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 9 (1 Low) | 8 (1 Low) *1 | 19/10/2026 12:00:00 |
| 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 |
63 (2 Low) | 30 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 19/10/2026 09:15:00 |
| Weybourne Timeseries Graph |
66 (2 Low) | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 19/10/2026 01:00:00 |
| Wicken Fen Timeseries Graph |
60 (2 Low) | 14 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 19/10/2026 08:45:00 |
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 | 30 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 19/10/2026 12:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 12 (1 Low) *1 | 19/10/2026 12:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/m | n/m | 19/10/2026 09:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 19/10/2026 12:00:00 |
| London Bexley Timeseries Graph |
n/m | 33 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| London Bloomsbury Timeseries Graph |
53 (2 Low) | 37 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 19/10/2026 11:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 45 (1 Low) | n/m | 7 (1 Low) | n/m | 19/10/2026 12:00:00 |
| London Haringey Priory Park South Timeseries Graph |
56 (2 Low) | 23 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| London Harlington Timeseries Graph |
61 (2 Low) | 41 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| London Hillingdon Timeseries Graph |
64 (2 Low) | 38 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 19/10/2026 12:00:00 |
| London Honor Oak Park Timeseries Graph |
71 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| London Marylebone Road Timeseries Graph |
68 (3 Low) | 39 (1 Low) | 3 (1 Low) | 7 (1 Low) | 10 (1 Low) *1 | 19/10/2026 11:15:00 |
| London N. Kensington Timeseries Graph |
65 (2 Low) | 33 (1 Low) | 3 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 09:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| London Westminster Timeseries Graph |
57 (2 Low) | 40 (1 Low) | n/m | n/m | n/m | 18/10/2026 18:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 53 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 19/10/2026 07:00:00 |
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 |
37 (2 Low) | 38 (1 Low) | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Inverness Timeseries Graph |
n/m | 39 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 11:00:00 |
| Lerwick Timeseries Graph |
72 (3 Low) | n/m | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Strathvaich Timeseries Graph |
62 (2 Low) | n/m | n/m | n/m | n/m | 18/10/2026 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 | 4 (1 Low) | 9 (1 Low) *2 | 19/10/2026 12:00:00 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
71 (3 Low) | 10 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 19/10/2026 12:00:00 |
| Kielder Water Timeseries Graph |
49 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 19/10/2026 12:00:00 |
| Middlesbrough Timeseries Graph |
67 (3 Low) | 16 (1 Low) | 1 (1 Low) | 1 (1 Low) | 14 (1 Low) *1 | 19/10/2026 10:30:00 |
| Newcastle Centre Timeseries Graph |
50 (2 Low) | 40 (1 Low) | n/m | 4 (1 Low) | 15 (1 Low) *1 | 19/10/2026 12:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 19/10/2026 12:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 19/10/2026 12:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | n/a | n/m | 19/10/2026 01:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 23 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *1 | 19/10/2026 11:00:00 |
| Sunderland Silksworth Timeseries Graph |
71 (3 Low) | 24 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 19/10/2026 12:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 20 (1 Low) | n/m | 5 (1 Low) | n/m | 19/10/2026 12:00:00 |
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 |
53 (2 Low) | 41 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/10/2026 11:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 19/10/2026 12:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | n/m | 18/10/2026 21:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 18/10/2026 18:00:00 |
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) | 8 (1 Low) | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Wrexham Timeseries Graph |
n/m | 56 (1 Low) | 8 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 18/10/2026 12:15:00 |
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 | 36 (1 Low) | n/m | 4 (1 Low) | n/m | 19/10/2026 01:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | n/m | 18/10/2026 21:00:00 |
| Blackburn Audley Park Timeseries Graph |
66 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Blackpool Marton Timeseries Graph |
56 (2 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/10/2026 01:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 19/10/2026 01:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 19/10/2026 10:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 24 (1 Low) | n/m | 9 (1 Low) | 11 (1 Low) *1 | 19/10/2026 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
60 (2 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Glazebury Timeseries Graph |
51 (2 Low) | 19 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 19/10/2026 01:00:00 |
| Liverpool Speke Timeseries Graph |
57 (2 Low) | 40 (1 Low) | 8 (1 Low) | 3 (1 Low) | 10 (1 Low) *1 | 19/10/2026 12:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
58 (2 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 19/10/2026 01:00:00 |
| Manchester Piccadilly Timeseries Graph |
53 (2 Low) | 34 (1 Low) | n/a | 6 (1 Low) | 11 (1 Low) *2 | 15/10/2026 15:30:00 |
| Manchester Sharston Timeseries Graph |
60 (2 Low) | 17 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 01:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 19/10/2026 01:00:00 |
| Preston Timeseries Graph |
55 (2 Low) | 25 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 01:00:00 |
| Salford Eccles Timeseries Graph |
59 (2 Low) | 38 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 17/10/2026 14:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | 7 (1 Low) *1 | 19/10/2026 09:00:00 |
| 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 | 43 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | n/m | n/m | 19/10/2026 10:00:00 |
| Wigan Centre Timeseries Graph |
59 (2 Low) | 24 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Wirral Tranmere Timeseries Graph |
60 (2 Low) | 22 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 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 | 40 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 18/10/2026 21:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 67 (1 Low) | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 47 (1 Low) | 37 (1 Low) | n/m | n/m | 18/10/2026 19:00:00 |
| Belfast Centre Timeseries Graph |
50 (2 Low) | 65 (1 Low) | 14 (1 Low) | 11 (1 Low) | 17 (2 Low) *2 | 19/10/2026 09:15:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 103 (2 Low) | n/m | n/m | 30 (2 Low) *1 | 19/10/2026 11:00:00 |
| Derry Rosemount Timeseries Graph |
54 (2 Low) | 42 (1 Low) | 13 (1 Low) | 10 (1 Low) | 15 (1 Low) *1 | 18/10/2026 22:45:00 |
| Lough Navar Timeseries Graph |
46 (2 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 19/10/2026 10:00:00 |
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 | 52 (1 Low) | n/m | n/m | n/m | 19/10/2026 10:00:00 |
| Eskdalemuir Timeseries Graph |
61 (2 Low) | 2 (1 Low) | n/m | n/m | n/m | 18/10/2026 20:00:00 |
| Peebles Timeseries Graph |
46 (2 Low) | 19 (1 Low) | n/m | n/m | n/m | 18/10/2026 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 | 19/10/2026 12:00:00 |
| Brighton Preston Park Timeseries Graph |
46 (2 Low) | 12 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 19/10/2026 12:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *1 | 19/10/2026 12:00:00 |
| Chilbolton Observatory Timeseries Graph |
70 (3 Low) | 13 (1 Low) | 1 (1 Low) | 4 (1 Low) | 6 (1 Low) *2 | 19/10/2026 02:30:00 |
| Eastbourne Timeseries Graph |
57 (2 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 19/10/2026 12:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 19/10/2026 12:00:00 |
| Horley Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Lullington Heath Timeseries Graph |
57 (2 Low) | 5 (1 Low) | 1 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 18/10/2026 22:15:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 19/10/2026 12:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
61 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 19/10/2026 09:00:00 |
| Oxford St Ebbes Timeseries Graph |
64 (2 Low) | 15 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Portsmouth Timeseries Graph |
62 (2 Low) | 36 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Reading London Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 19/10/2026 10:00:00 |
| Reading New Town Timeseries Graph |
57 (2 Low) | 27 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Rochester Stoke Timeseries Graph |
66 (2 Low) | 20 (1 Low) | 1 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 19/10/2026 12:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 34 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 19/10/2026 12:00:00 |
| Southampton Centre Timeseries Graph |
60 (2 Low) | 29 (1 Low) | n/a | 4 (1 Low) | 8 (1 Low) *2 | 15/10/2026 22:45:00 |
| Storrington Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 19/10/2026 12:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 7 (1 Low) | n/m | 19/10/2026 05:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
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 |
56 (2 Low) | 28 (1 Low) | 1 (1 Low) | 6 (1 Low) | 8 (1 Low) *1 | 19/10/2026 10:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | n/a | n/m | n/m | 12 (1 Low) *1 | 05/10/2026 09:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 28 (1 Low) | n/m | 3 (1 Low) | 10 (1 Low) *1 | 19/10/2026 01:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
67 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 18/10/2026 18:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 19/10/2026 08:00:00 |
| Narberth Timeseries Graph |
60 (2 Low) | 4 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 02:30:00 |
| Newport Timeseries Graph |
n/m | 19 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Port Talbot Margam Timeseries Graph |
61 (2 Low) | 15 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *3 | 18/10/2026 12:15:00 |
| Swansea Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 7 (1 Low) | 8 (1 Low) *1 | 19/10/2026 09:00:00 |
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 | 5 (1 Low) | 8 (1 Low) *2 | 19/10/2026 01:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Bournemouth Timeseries Graph |
60 (2 Low) | 20 (1 Low) | n/m | 6 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Bristol St Paul's Timeseries Graph |
58 (2 Low) | 26 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *1 | 19/10/2026 01:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 19/10/2026 12:00:00 |
| Charlton Mackrell Timeseries Graph |
62 (2 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 19/10/2026 01:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 4 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Exeter Roadside Timeseries Graph |
52 (2 Low) | 36 (1 Low) | n/m | n/m | n/m | 18/10/2026 18:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 19/10/2026 01:00:00 |
| Honiton Timeseries Graph |
61 (2 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Plymouth Centre Timeseries Graph |
55 (2 Low) | 48 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 19/10/2026 01:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 19/10/2026 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 12 (1 Low) *1 | 19/10/2026 03:00:00 |
| Swindon Walcot Timeseries Graph |
63 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Yarner Wood Timeseries Graph |
67 (3 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 10:00:00 |
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 |
69 (3 Low) | n/m | n/m | n/m | n/m | 18/10/2026 19:00:00 |
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 |
60 (2 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 11:00:00 |
| Birmingham Hall Green Timeseries Graph |
66 (2 Low) | 25 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Birmingham Ladywood Timeseries Graph |
57 (2 Low) | 27 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 11:30:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 12:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
62 (2 Low) | 18 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 12:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 3 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Coventry Allesley Timeseries Graph |
62 (2 Low) | 22 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Leamington Spa Timeseries Graph |
70 (3 Low) | 13 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Leominster Timeseries Graph |
68 (3 Low) | 8 (1 Low) | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 02:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
53 (2 Low) | 17 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Telford Hollinswood Timeseries Graph |
61 (2 Low) | 22 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 03:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 19/10/2026 12:00:00 |
| Walsall Woodlands Timeseries Graph |
60 (2 Low) | 18 (1 Low) | n/m | n/m | n/m | 18/10/2026 18:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
62 (2 Low) | 30 (1 Low) | n/m | n/m | n/m | 18/10/2026 19:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
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) | 27 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 11:30:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 43 (1 Low) | n/m | n/m | n/m | 19/10/2026 08:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 12:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
58 (2 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 11:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 39 (1 Low) | n/m | 3 (1 Low) | n/m | 19/10/2026 09:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 11:00:00 |
| High Muffles Timeseries Graph |
62 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 12:00:00 |
| Hull Freetown Timeseries Graph |
71 (3 Low) | 20 (1 Low) | n/a | 6 (1 Low) | 13 (1 Low) *2 | 17/10/2026 10:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 19/10/2026 10:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
68 (3 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 19/10/2026 09:00:00 |
| Leeds Centre Timeseries Graph |
58 (2 Low) | 21 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 18/10/2026 17:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 19/10/2026 01:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 03:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 18 (1 Low) | 3 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 19/10/2026 11:45:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 50 (1 Low) | n/m | 4 (1 Low) | n/m | 19/10/2026 12:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
56 (2 Low) | 28 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 19/10/2026 01:00:00 |
| Sheffield Tinsley Timeseries Graph |
57 (2 Low) | 19 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 19/10/2026 03:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 19/10/2026 10:00:00 |
| York Bootham Timeseries Graph |
50 (2 Low) | 21 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 19/10/2026 01:00:00 |
| York Fishergate Timeseries Graph |
n/m | 32 (1 Low) | n/m | 2 (1 Low) | 15 (1 Low) *1 | 19/10/2026 12:00:00 |
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