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 Sat 28th Mar 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 |
74 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 28/03/2026 05:00 |
| Bush Estate Timeseries Graph |
88 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 27/03/2026 23:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 28/03/2026 20:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 28/03/2026 14:00 |
| Edinburgh St Leonards Timeseries Graph |
84 (3 Low) | 18 (1 Low) | 1 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 28/03/2026 15:15 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 28/03/2026 22:00 |
| Glasgow High Street Timeseries Graph |
n/m | 25 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 28/03/2026 04:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 28/03/2026 19:00 |
| Glasgow Townhead Timeseries Graph |
88 (3 Low) | 27 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/03/2026 04:00 |
| Grangemouth Timeseries Graph |
n/m | 7 (1 Low) | 1 (1 Low) | 7 (1 Low) | 17 (2 Low) *1 | 28/03/2026 09:30 |
| Grangemouth Moray Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 28/03/2026 21:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 28/03/2026 03:00 |
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 |
82 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 13:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 8 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 28/03/2026 12:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 28 (1 Low) | n/m | 8 (1 Low) | n/m | 28/03/2026 14:00 |
| Derby Stockbrook Park Timeseries Graph |
80 (3 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 14:00 |
| Ladybower Timeseries Graph |
94 (3 Low) | 4 (1 Low) | 1 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 01:30 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 28/03/2026 15:00 |
| Leicester University Timeseries Graph |
77 (3 Low) | 20 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 28/03/2026 15:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 28/03/2026 17:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 28/03/2026 15:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 28/03/2026 14:00 |
| Northampton Spring Park Timeseries Graph |
83 (3 Low) | 10 (1 Low) | n/m | 12 (2 Low) | n/m | 28/03/2026 18:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 14:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
78 (3 Low) | 12 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 28/03/2026 01:30 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 16 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 28/03/2026 14:00 |
| Tallington Timeseries Graph |
84 (3 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 16:00 |
| Toft Newton Timeseries Graph |
91 (3 Low) | 4 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 15:00 |
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 | 12 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 27/03/2026 24:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 27/03/2026 24:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 28/03/2026 07:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 6 (1 Low) | n/m | 28/03/2026 19:00 |
| Norwich Lakenfields Timeseries Graph |
76 (3 Low) | 12 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/03/2026 24:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 16:00 |
| Sibton Timeseries Graph |
81 (3 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 28/03/2026 03:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 03:00 |
| Southend-on-Sea Timeseries Graph |
77 (3 Low) | 7 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 03:00 |
| St Osyth Timeseries Graph |
91 (3 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 02:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *1 | 28/03/2026 04:00 |
| Thurrock Timeseries Graph |
81 (3 Low) | 21 (1 Low) | 1 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 08:45 |
| Weybourne Timeseries Graph |
82 (3 Low) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 28/03/2026 20:00 |
| Wicken Fen Timeseries Graph |
78 (3 Low) | 6 (1 Low) | 3 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 08:30 |
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 | 26 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *1 | 27/03/2026 24:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 35 (3 Low) *1 | 27/03/2026 24:00 |
| Haringey Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 27/03/2026 23:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 27/03/2026 24:00 |
| London Bexley Timeseries Graph |
n/m | 17 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 01:00 |
| London Bloomsbury Timeseries Graph |
70 (3 Low) | 39 (1 Low) | 1 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 17:45 |
| London Farringdon Street Timeseries Graph |
n/m | 33 (1 Low) | n/m | 8 (1 Low) | n/m | 28/03/2026 01:00 |
| London Haringey Priory Park South Timeseries Graph |
86 (3 Low) | 16 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 27/03/2026 24:00 |
| London Harlington Timeseries Graph |
80 (3 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 28/03/2026 19:00 |
| London Hillingdon Timeseries Graph |
86 (3 Low) | 23 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/03/2026 03:00 |
| London Honor Oak Park Timeseries Graph |
91 (3 Low) | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 01:00 |
| London Marylebone Road Timeseries Graph |
83 (3 Low) | 38 (1 Low) | 3 (1 Low) | 11 (1 Low) | 18 (2 Low) *1 | 28/03/2026 08:00 |
| London N. Kensington Timeseries Graph |
84 (3 Low) | 14 (1 Low) | 2 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 05:30 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 03:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 20:00 |
| London Westminster Timeseries Graph |
73 (3 Low) | 22 (1 Low) | n/m | n/m | n/m | 28/03/2026 18:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 28/03/2026 20:00 |
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 |
88 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 28/03/2026 04:00 |
| Inverness Timeseries Graph |
n/m | 11 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 01:00 |
| Lerwick Timeseries Graph |
93 (3 Low) | n/m | n/m | n/m | n/m | 27/03/2026 23:00 |
| Strathvaich Timeseries Graph |
96 (3 Low) | n/m | n/m | n/m | n/m | 27/03/2026 24:00 |
North East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Hartlepool St Abbs Walk Timeseries Graph |
77 (3 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 28/03/2026 10:00 |
| Kielder Water Timeseries Graph |
75 (3 Low) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 28/03/2026 07:00 |
| Middlesbrough Timeseries Graph |
78 (3 Low) | 11 (1 Low) | 2 (1 Low) | 5 (1 Low) | 14 (1 Low) *1 | 28/03/2026 03:30 |
| Newcastle Centre Timeseries Graph |
79 (3 Low) | 9 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *1 | 28/03/2026 10:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/03/2026 09:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 11:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | n/m | 28/03/2026 12:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 3 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *1 | 28/03/2026 13:00 |
| Sunderland Silksworth Timeseries Graph |
85 (3 Low) | 7 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 10:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 6 (1 Low) | n/m | 6 (1 Low) | n/m | 28/03/2026 10:00 |
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 |
81 (3 Low) | 17 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 27/03/2026 24:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 28/03/2026 16:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 09/02/2026 02:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 28/03/2026 21:00 |
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 |
81 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 27/03/2026 23:00 |
| Wrexham Timeseries Graph |
n/m | 9 (1 Low) | 1 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 27/03/2026 22:30 |
North West & Merseyside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Birkenhead Borough Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | 10 (1 Low) | n/m | 28/03/2026 09:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 28/03/2026 22:00 |
| Blackburn Audley Park Timeseries Graph |
74 (3 Low) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 28/03/2026 10:00 |
| Blackpool Marton Timeseries Graph |
85 (3 Low) | 6 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 28/03/2026 09:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 28/03/2026 09:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 28/03/2026 21:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 8 (1 Low) | n/m | 6 (1 Low) | 17 (2 Low) *1 | 28/03/2026 06:00 |
| Crewe Coppenhall Timeseries Graph |
81 (3 Low) | 24 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 11:00 |
| Glazebury Timeseries Graph |
84 (3 Low) | 5 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 28/03/2026 11:00 |
| Liverpool Speke Timeseries Graph |
79 (3 Low) | 9 (1 Low) | 1 (1 Low) | 10 (1 Low) | 23 (2 Low) *1 | 27/03/2026 22:45 |
| Liverpool Thirlmere Park Timeseries Graph |
82 (3 Low) | n/m | n/m | 9 (1 Low) | 19 (2 Low) *2 | 28/03/2026 09:00 |
| Manchester Piccadilly Timeseries Graph |
68 (3 Low) | 18 (1 Low) | 1 (1 Low) | 10 (1 Low) | 21 (2 Low) *2 | 27/03/2026 14:30 |
| Manchester Sharston Timeseries Graph |
83 (3 Low) | 13 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/03/2026 12:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 28/03/2026 12:00 |
| Preston Timeseries Graph |
81 (3 Low) | 20 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 28/03/2026 09:00 |
| Salford Eccles Timeseries Graph |
85 (3 Low) | 18 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 28/03/2026 11:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 28/03/2026 20:00 |
| St Helens Linkway Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 28/03/2026 21:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 28/03/2026 04:00 |
| Warrington Timeseries Graph |
n/m | 8 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *1 | 28/03/2026 11:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 28/03/2026 21:00 |
| Wigan Centre Timeseries Graph |
77 (3 Low) | 7 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 28/03/2026 10:00 |
| Wirral Tranmere Timeseries Graph |
82 (3 Low) | 6 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/03/2026 09:00 |
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 | 47 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 28/03/2026 21:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 28/03/2026 20:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 15 (1 Low) | 66 (1 Low) | n/m | n/m | 28/03/2026 20:15 |
| Belfast Centre Timeseries Graph |
71 (3 Low) | 37 (1 Low) | 1 (1 Low) | 9 (1 Low) | 21 (2 Low) *2 | 28/03/2026 08:30 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 67 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 28/03/2026 18:00 |
| Derry Rosemount Timeseries Graph |
82 (3 Low) | 9 (1 Low) | 6 (1 Low) | 6 (1 Low) | 17 (2 Low) *1 | 28/03/2026 20:45 |
| Lough Navar Timeseries Graph |
74 (3 Low) | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 28/03/2026 01:00 |
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 | 19 (1 Low) | n/m | n/m | n/m | 28/03/2026 16:00 |
| Eskdalemuir Timeseries Graph |
82 (3 Low) | 0 (1 Low) | n/m | n/m | n/m | 27/03/2026 24:00 |
| Peebles Timeseries Graph |
84 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 27/03/2026 21:00 |
South East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 28/03/2026 18:00 |
| Brighton Preston Park Timeseries Graph |
69 (3 Low) | 8 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 03:00 |
| Chatham Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 7 (1 Low) | 24 (2 Low) *1 | 28/03/2026 19:00 |
| Chilbolton Observatory Timeseries Graph |
89 (3 Low) | 7 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 28/03/2026 17:00 |
| Eastbourne Timeseries Graph |
78 (3 Low) | 8 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 28/03/2026 22:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 19:00 |
| Horley Timeseries Graph |
n/m | 5 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 04:00 |
| Lullington Heath Timeseries Graph |
87 (3 Low) | 0 (1 Low) | 1 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 28/03/2026 11:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 19 (2 Low) *2 | 28/03/2026 21:00 |
| Milton Keynes Civic Centre Timeseries Graph |
80 (3 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 28/03/2026 18:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 27/03/2026 24:00 |
| Oxford St Ebbes Timeseries Graph |
80 (3 Low) | 26 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 01:00 |
| Portsmouth Timeseries Graph |
68 (3 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 28/03/2026 09:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 09:00 |
| Reading London Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 28/03/2026 22:00 |
| Reading New Town Timeseries Graph |
79 (3 Low) | 13 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 18:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 28/03/2026 17:00 |
| Rochester Stoke Timeseries Graph |
83 (3 Low) | 20 (1 Low) | 1 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 11:30 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 14 (1 Low) *2 | 28/03/2026 19:00 |
| Southampton A33 Timeseries Graph |
n/m | 34 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/03/2026 03:00 |
| Southampton Centre Timeseries Graph |
80 (3 Low) | 16 (1 Low) | 1 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 07:45 |
| Storrington Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 28/03/2026 03:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 10 (1 Low) | n/m | 28/03/2026 08:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 01:00 |
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 |
80 (3 Low) | 16 (1 Low) | 1 (1 Low) | 8 (1 Low) | 13 (1 Low) *1 | 28/03/2026 21:15 |
| Cardiff Newport Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 28/03/2026 20:00 |
| Chepstow A48 Timeseries Graph |
n/m | 45 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *1 | 28/03/2026 13:00 |
| Cwmbran Crownbridge Timeseries Graph |
88 (3 Low) | 16 (1 Low) | n/m | n/m | n/m | 28/03/2026 17:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 28/03/2026 07:00 |
| Narberth Timeseries Graph |
78 (3 Low) | 4 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 07:45 |
| Newport Timeseries Graph |
n/m | 13 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/03/2026 16:00 |
| Port Talbot Margam Timeseries Graph |
77 (3 Low) | 15 (1 Low) | 2 (1 Low) | 6 (1 Low) | 18 (2 Low) *3 | 28/03/2026 01:30 |
| Swansea Roadside Timeseries Graph |
n/m | 54 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *1 | 28/03/2026 18:00 |
South West
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnstaple A39 Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 28/03/2026 15:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 22/03/2026 16:00 |
| Bournemouth Timeseries Graph |
77 (3 Low) | 11 (1 Low) | n/m | 9 (1 Low) | n/m | 28/03/2026 19:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 16:00 |
| Bristol St Paul's Timeseries Graph |
79 (3 Low) | 18 (1 Low) | n/m | 6 (1 Low) | 19 (2 Low) *1 | 28/03/2026 16:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/03/2026 17:00 |
| Charlton Mackrell Timeseries Graph |
81 (3 Low) | 3 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 28/03/2026 17:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 28/03/2026 22:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | 7 (1 Low) | n/m | 28/03/2026 19:00 |
| Exeter Roadside Timeseries Graph |
70 (3 Low) | 33 (1 Low) | n/m | n/m | n/m | 28/03/2026 17:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 28/03/2026 16:00 |
| Honiton Timeseries Graph |
76 (3 Low) | 10 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 17:00 |
| Plymouth Centre Timeseries Graph |
71 (3 Low) | 17 (1 Low) | n/m | 8 (1 Low) | 22 (2 Low) *2 | 28/03/2026 17:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 28/03/2026 20:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 19 (2 Low) *1 | 28/03/2026 19:00 |
| Swindon Walcot Timeseries Graph |
79 (3 Low) | 18 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 17:00 |
| Yarner Wood Timeseries Graph |
84 (3 Low) | 1 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 17:00 |
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 |
92 (3 Low) | n/m | n/m | n/m | n/m | 28/03/2026 21:00 |
West Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Birmingham A4540 Roadside Timeseries Graph |
76 (3 Low) | 56 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/03/2026 15:00 |
| Birmingham Hall Green Timeseries Graph |
87 (3 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/03/2026 15:00 |
| Birmingham Ladywood Timeseries Graph |
71 (3 Low) | 22 (1 Low) | 1 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 10:45 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 15:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
81 (3 Low) | 9 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 14:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 7 (1 Low) | n/m | 28/03/2026 14:00 |
| Coventry Allesley Timeseries Graph |
81 (3 Low) | 26 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 28/03/2026 16:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 48 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 16:00 |
| Leamington Spa Timeseries Graph |
88 (3 Low) | 18 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 16:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 28/03/2026 16:00 |
| Leominster Timeseries Graph |
85 (3 Low) | n/a | n/m | n/m | n/m | 28/03/2026 16:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 37 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 28/03/2026 14:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 14:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 28/03/2026 11:00 |
| Stoke-on-Trent Centre Timeseries Graph |
69 (3 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 28/03/2026 13:00 |
| Telford Hollinswood Timeseries Graph |
84 (3 Low) | 26 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/03/2026 13:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 28/03/2026 15:00 |
| Walsall Woodlands Timeseries Graph |
82 (3 Low) | 15 (1 Low) | n/m | n/m | n/m | 28/03/2026 17:00 |
| West Bromwich Kenrick Park Timeseries Graph |
79 (3 Low) | 22 (1 Low) | n/m | n/m | n/m | 28/03/2026 17:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 28/03/2026 15:00 |
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 |
81 (3 Low) | 4 (1 Low) | 3 (1 Low) | 7 (1 Low) | 15 (1 Low) *2 | 28/03/2026 18:45 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 28/03/2026 20:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 28/03/2026 12:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
77 (3 Low) | 12 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/03/2026 13:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 13 (1 Low) | n/m | 7 (1 Low) | n/m | 28/03/2026 13:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 13:00 |
| High Muffles Timeseries Graph |
79 (3 Low) | 1 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 28/03/2026 12:00 |
| Hull Freetown Timeseries Graph |
82 (3 Low) | 16 (1 Low) | 9 (1 Low) | 7 (1 Low) | 14 (1 Low) *2 | 28/03/2026 14:30 |
| Hull Holderness Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/a | n/a | 21/03/2026 24:00 |
| Immingham Woodlands Avenue Timeseries Graph |
81 (3 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 28/03/2026 14:00 |
| Leeds Centre Timeseries Graph |
78 (3 Low) | 19 (1 Low) | 2 (1 Low) | 7 (1 Low) | 15 (1 Low) *2 | 28/03/2026 03:15 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *1 | 28/03/2026 12:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 28/03/2026 13:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 18 (1 Low) | 3 (1 Low) | 10 (1 Low) | 15 (1 Low) *1 | 28/03/2026 02:45 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | 8 (1 Low) | n/m | 28/03/2026 07:00 |
| Sheffield Devonshire Green Timeseries Graph |
81 (3 Low) | 9 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 28/03/2026 18:00 |
| Sheffield Tinsley Timeseries Graph |
73 (3 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 28/03/2026 13:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 28/03/2026 13:00 |
| York Bootham Timeseries Graph |
66 (2 Low) | 14 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 27/03/2026 24:00 |
| York Fishergate Timeseries Graph |
n/m | 20 (1 Low) | n/m | 3 (1 Low) | 21 (2 Low) *1 | 28/03/2026 14:00 |
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