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 10pm Mon 7th Sep 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 |
70 (3 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 07/09/2026 13:00:00 |
| Bush Estate Timeseries Graph |
78 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 07/09/2026 20:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 07/09/2026 09:00:00 |
| Edinburgh St Leonards Timeseries Graph |
74 (3 Low) | 4 (1 Low) | 2 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 07/09/2026 20:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 07/09/2026 17:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 18 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 12:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 07/09/2026 21:00:00 |
| Glasgow Townhead Timeseries Graph |
66 (2 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 07/09/2026 14:00:00 |
| Grangemouth Timeseries Graph |
n/m | 6 (1 Low) | 5 (1 Low) | n/a | 9 (1 Low) *1 | 07/09/2026 16:45:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 07/09/2026 14:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/a | n/a | 07/09/2026 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 |
72 (3 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 05:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 05:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 31 (1 Low) | n/m | 7 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Derby Stockbrook Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Ladybower Timeseries Graph |
98 (3 Low) | 5 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 14:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Leicester University Timeseries Graph |
88 (3 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 07/09/2026 01:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 07/09/2026 08:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Northampton Spring Park Timeseries Graph |
95 (3 Low) | 15 (1 Low) | n/m | n/a | n/m | 03/09/2026 02:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 07/09/2026 01:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
71 (3 Low) | 21 (1 Low) | 2 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 07/09/2026 02:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 38 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Tallington Timeseries Graph |
97 (3 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 09:00:00 |
| Toft Newton Timeseries Graph |
80 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 05:00:00 |
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 | 20 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 08:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 07/09/2026 07:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 6 (1 Low) | n/m | 07/09/2026 07:00:00 |
| Norwich Lakenfields Timeseries Graph |
86 (3 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 07/09/2026 09:00:00 |
| Sibton Timeseries Graph |
78 (3 Low) | n/m | n/m | n/a | n/a | 04/09/2026 01:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 01:00:00 |
| Southend-on-Sea Timeseries Graph |
78 (3 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| St Osyth Timeseries Graph |
86 (3 Low) | 21 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 07/09/2026 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 |
74 (3 Low) | 40 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 05:15:00 |
| Weybourne Timeseries Graph |
n/a | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 05:00:00 |
| Wicken Fen Timeseries Graph |
96 (3 Low) | 10 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 07/09/2026 05:00:00 |
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 | 37 (1 Low) | n/m | 11 (1 Low) | 24 (2 Low) *1 | 07/09/2026 03:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 50 (3 Low) *1 | 07/09/2026 22:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 51 (1 Low) | n/m | n/m | n/m | 07/09/2026 01:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 07/09/2026 01:00:00 |
| London Bexley Timeseries Graph |
n/m | 45 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| London Bloomsbury Timeseries Graph |
81 (3 Low) | 28 (1 Low) | 3 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 08:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 31 (1 Low) | n/m | 7 (1 Low) | n/m | 07/09/2026 01:00:00 |
| London Haringey Priory Park South Timeseries Graph |
82 (3 Low) | 34 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| London Harlington Timeseries Graph |
63 (2 Low) | 68 (2 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 07/09/2026 08:00:00 |
| London Hillingdon Timeseries Graph |
60 (2 Low) | 86 (2 Low) | n/m | 6 (1 Low) | 18 (2 Low) *2 | 07/09/2026 10:00:00 |
| London Honor Oak Park Timeseries Graph |
94 (3 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| London Marylebone Road Timeseries Graph |
59 (2 Low) | 49 (1 Low) | 4 (1 Low) | 11 (1 Low) | 23 (2 Low) *1 | 07/09/2026 11:15:00 |
| London N. Kensington Timeseries Graph |
87 (3 Low) | 22 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 08:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 16 (1 Low) *2 | 07/09/2026 01:00:00 |
| London Westminster Timeseries Graph |
81 (3 Low) | 19 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 07/09/2026 01:00:00 |
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 |
69 (3 Low) | 20 (1 Low) | n/m | n/m | n/m | 07/09/2026 07:00:00 |
| Inverness Timeseries Graph |
n/m | 11 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 07/09/2026 22:00:00 |
| Lerwick Timeseries Graph |
78 (3 Low) | n/m | n/m | n/m | n/m | 07/09/2026 09:00:00 |
| Strathvaich Timeseries Graph |
76 (3 Low) | n/m | n/m | n/m | n/m | 07/09/2026 06:00:00 |
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 |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 07/09/2026 03:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
71 (3 Low) | 10 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 05:00:00 |
| Kielder Water Timeseries Graph |
63 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 07/09/2026 19:00:00 |
| Middlesbrough Timeseries Graph |
74 (3 Low) | 8 (1 Low) | 2 (1 Low) | 4 (1 Low) | 13 (1 Low) *1 | 07/09/2026 02:15:00 |
| Newcastle Centre Timeseries Graph |
59 (2 Low) | 20 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *1 | 07/09/2026 01:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 07/09/2026 03:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 07/09/2026 03:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 06:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 7 (1 Low) | n/m | 07/09/2026 05:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 11 (1 Low) | n/m | 10 (1 Low) | 13 (1 Low) *1 | 07/09/2026 03:00:00 |
| Sunderland Silksworth Timeseries Graph |
68 (3 Low) | n/a | n/m | 5 (1 Low) | 8 (1 Low) *2 | 07/09/2026 04:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 18 (1 Low) | n/m | 4 (1 Low) | n/m | 07/09/2026 04:00:00 |
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) | 33 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 07/09/2026 03:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 07/09/2026 08:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 07/09/2026 19:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 07/09/2026 08:00:00 |
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 |
89 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Wrexham Timeseries Graph |
n/m | 17 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 09:15:00 |
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 | 12 (1 Low) | n/m | 5 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 07/09/2026 09:00:00 |
| Blackburn Audley Park Timeseries Graph |
78 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 02:00:00 |
| Blackpool Marton Timeseries Graph |
76 (3 Low) | 7 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 02:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 07/09/2026 20:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 07/09/2026 09:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 14 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *1 | 07/09/2026 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
83 (3 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 07/09/2026 01:00:00 |
| Glazebury Timeseries Graph |
73 (3 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 04:00:00 |
| Liverpool Speke Timeseries Graph |
69 (3 Low) | 16 (1 Low) | 23 (1 Low) | 9 (1 Low) | 14 (1 Low) *1 | 07/09/2026 01:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 01:00:00 |
| Manchester Piccadilly Timeseries Graph |
60 (2 Low) | 24 (1 Low) | 5 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 07/09/2026 14:45:00 |
| Manchester Sharston Timeseries Graph |
71 (3 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 06:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Preston Timeseries Graph |
69 (3 Low) | 18 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 07/09/2026 03:00:00 |
| Rochdale Belfield Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 07/09/2026 05:00:00 |
| Salford Eccles Timeseries Graph |
81 (3 Low) | 15 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 05:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 07/09/2026 09:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 07/09/2026 08:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 07/09/2026 08:00:00 |
| Warrington Timeseries Graph |
n/m | n/a | n/m | 4 (1 Low) | 15 (1 Low) *1 | 07/09/2026 02:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 07/09/2026 09:00:00 |
| Wigan Centre Timeseries Graph |
63 (2 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 07/09/2026 04:00:00 |
| Wirral Tranmere Timeseries Graph |
74 (3 Low) | 12 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 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 | 32 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 07/09/2026 09:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 07/09/2026 08:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 11 (1 Low) | 5 (1 Low) | n/m | n/m | 07/09/2026 15:45:00 |
| Belfast Centre Timeseries Graph |
63 (2 Low) | 34 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 07:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 07/09/2026 08:00:00 |
| Derry Rosemount Timeseries Graph |
61 (2 Low) | 7 (1 Low) | 1 (1 Low) | 2 (1 Low) | 9 (1 Low) *1 | 07/09/2026 11:00:00 |
| Lough Navar Timeseries Graph |
48 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 07/09/2026 22:00:00 |
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 | 39 (1 Low) | n/m | n/m | n/m | 07/09/2026 19:00:00 |
| Eskdalemuir Timeseries Graph |
76 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Peebles Timeseries Graph |
76 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
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 | 5 (1 Low) | n/m | 07/09/2026 08:00:00 |
| Brighton Preston Park Timeseries Graph |
71 (3 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 07/09/2026 09:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 5 (1 Low) | 20 (2 Low) *1 | 07/09/2026 08:00:00 |
| Chilbolton Observatory Timeseries Graph |
83 (3 Low) | 15 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 04:45:00 |
| Eastbourne Timeseries Graph |
71 (3 Low) | 20 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Horley Timeseries Graph |
n/m | 50 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Lullington Heath Timeseries Graph |
95 (3 Low) | 14 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 07/09/2026 02:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 18 (2 Low) *2 | 07/09/2026 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
88 (3 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 07:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 07/09/2026 01:00:00 |
| Oxford St Ebbes Timeseries Graph |
86 (3 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 07:00:00 |
| Portsmouth Timeseries Graph |
69 (3 Low) | 47 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 07:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/a | n/a | 07/09/2026 01:00:00 |
| Reading London Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 07/09/2026 01:00:00 |
| Reading New Town Timeseries Graph |
81 (3 Low) | 21 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 08:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Rochester Stoke Timeseries Graph |
85 (3 Low) | 31 (1 Low) | 2 (1 Low) | 6 (1 Low) | 18 (2 Low) *2 | 07/09/2026 14:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 07/09/2026 07:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 52 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 07/09/2026 09:00:00 |
| Southampton Centre Timeseries Graph |
63 (2 Low) | 50 (1 Low) | 2 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 06/09/2026 24:00: |
| Storrington Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 07/09/2026 09:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 8 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 07/09/2026 09:00:00 |
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 |
79 (3 Low) | 22 (1 Low) | 1 (1 Low) | 9 (1 Low) | 16 (1 Low) *1 | 07/09/2026 02:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 07/09/2026 02:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 28 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 07/09/2026 05:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
96 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | n/m | n/m | 07/09/2026 07:00:00 |
| Narberth Timeseries Graph |
72 (3 Low) | 5 (1 Low) | 2 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 07/09/2026 16:15:00 |
| Newport Timeseries Graph |
n/m | 10 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 07/09/2026 01:00:00 |
| Port Talbot Margam Timeseries Graph |
87 (3 Low) | 13 (1 Low) | 1 (1 Low) | 7 (1 Low) | 21 (2 Low) *3 | 07/09/2026 21:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 07/09/2026 01:00:00 |
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) | 10 (1 Low) *2 | 07/09/2026 03:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 07/09/2026 15:00:00 |
| Bournemouth Timeseries Graph |
72 (3 Low) | 10 (1 Low) | n/m | 8 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 07/09/2026 07:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 07/09/2026 04:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 05:00:00 |
| Bristol St Paul's Timeseries Graph |
80 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 17 (2 Low) *1 | 07/09/2026 06:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 47 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 05:00:00 |
| Charlton Mackrell Timeseries Graph |
84 (3 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 07:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 4 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Exeter Roadside Timeseries Graph |
65 (2 Low) | 22 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 06:00:00 |
| Honiton Timeseries Graph |
83 (3 Low) | 10 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 05:00:00 |
| Plymouth Centre Timeseries Graph |
70 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 07/09/2026 01:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 07/09/2026 09:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 20 (2 Low) *1 | 07/09/2026 01:00:00 |
| Swindon Walcot Timeseries Graph |
84 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 07:00:00 |
| Yarner Wood Timeseries Graph |
82 (3 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 02:00:00 |
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 |
85 (3 Low) | n/m | n/m | n/m | n/m | 07/09/2026 01:00:00 |
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 | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 01:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
56 (2 Low) | 39 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 07/09/2026 01:00:00 |
| Birmingham Hall Green Timeseries Graph |
93 (3 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 01:00:00 |
| Birmingham Ladywood Timeseries Graph |
78 (3 Low) | 12 (1 Low) | 3 (1 Low) | n/a | n/a | 07/09/2026 10:30:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 01:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
68 (3 Low) | 27 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 07/09/2026 01:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 5 (1 Low) | n/m | 07/09/2026 03:00:00 |
| Coventry Allesley Timeseries Graph |
84 (3 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 08:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 08:00:00 |
| Leamington Spa Timeseries Graph |
94 (3 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 08:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 08:00:00 |
| Leominster Timeseries Graph |
91 (3 Low) | 8 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 03:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
66 (2 Low) | 20 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Telford Hollinswood Timeseries Graph |
85 (3 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 01:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Walsall Woodlands Timeseries Graph |
85 (3 Low) | 11 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
79 (3 Low) | 21 (1 Low) | n/m | n/m | n/m | 06/09/2026 23:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 07/09/2026 01:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 07/09/2026 08:00:00 |
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 |
70 (3 Low) | 16 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 16:45:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 06/09/2026 22:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 07/09/2026 01:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 07/09/2026 06:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
76 (3 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 38 (1 Low) | n/m | 6 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 07/09/2026 03:00:00 |
| High Muffles Timeseries Graph |
69 (3 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 08:00:00 |
| Hull Freetown Timeseries Graph |
72 (3 Low) | 31 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 07/09/2026 18:15:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 07/09/2026 01:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
75 (3 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 07/09/2026 08:00:00 |
| Leeds Centre Timeseries Graph |
66 (2 Low) | 27 (1 Low) | 3 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 07/09/2026 17:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *1 | 07/09/2026 01:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 07/09/2026 01:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 16 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *1 | 06/09/2026 19:45:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | 8 (1 Low) | n/m | 07/09/2026 01:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
67 (3 Low) | 24 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 07/09/2026 06:00:00 |
| Sheffield Tinsley Timeseries Graph |
57 (2 Low) | 41 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 07/09/2026 01:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 07/09/2026 01:00:00 |
| York Bootham Timeseries Graph |
61 (2 Low) | 36 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *1 | 07/09/2026 05:00:00 |
| York Fishergate Timeseries Graph |
n/m | 24 (1 Low) | n/m | 5 (1 Low) | 17 (2 Low) *1 | 07/09/2026 08:00:00 |
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