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 30th 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 |
80 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 30/03/2026 22:00:00 |
| Bush Estate Timeseries Graph |
92 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 29/03/2026 22:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 30/03/2026 17:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 68 (2 Low) | n/m | n/m | n/m | 30/03/2026 16:00:00 |
| Edinburgh St Leonards Timeseries Graph |
87 (3 Low) | 20 (1 Low) | 1 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 30/03/2026 03:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 30/03/2026 10:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 37 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 65 (1 Low) | n/m | n/m | n/m | 30/03/2026 10:00:00 |
| Glasgow Townhead Timeseries Graph |
96 (3 Low) | 17 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 30/03/2026 22:00:00 |
| Grangemouth Timeseries Graph |
n/m | 9 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *1 | 29/03/2026 22:15:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 30/03/2026 08:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 30/03/2026 21:00:00 |
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 |
85 (3 Low) | 5 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 30/03/2026 21:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 30/03/2026 21:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | 12 (2 Low) | n/m | 30/03/2026 22:00:00 |
| Derby Stockbrook Park Timeseries Graph |
82 (3 Low) | n/m | n/m | 11 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Ladybower Timeseries Graph |
94 (3 Low) | 4 (1 Low) | 1 (1 Low) | 10 (1 Low) | 17 (2 Low) *2 | 30/03/2026 13:30:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 53 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 30/03/2026 22:00:00 |
| Leicester University Timeseries Graph |
76 (3 Low) | 21 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 81 (2 Low) | n/m | n/m | n/m | 30/03/2026 18:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 30/03/2026 04:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 30/03/2026 21:00:00 |
| Northampton Spring Park Timeseries Graph |
84 (3 Low) | 6 (1 Low) | n/m | 13 (2 Low) | n/m | 30/03/2026 22:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 30/03/2026 21:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
79 (3 Low) | 14 (1 Low) | 1 (1 Low) | 11 (1 Low) | 20 (2 Low) *2 | 30/03/2026 12:45:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 30 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 30/03/2026 22:00:00 |
| Tallington Timeseries Graph |
85 (3 Low) | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 30/03/2026 22:00:00 |
| Toft Newton Timeseries Graph |
92 (3 Low) | 5 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 30/03/2026 22:00:00 |
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 | 13 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 30/03/2026 22:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 30/03/2026 22:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 30/03/2026 19:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 8 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Norwich Lakenfields Timeseries Graph |
76 (3 Low) | 16 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *2 | 30/03/2026 22:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 30/03/2026 22:00:00 |
| Sibton Timeseries Graph |
84 (3 Low) | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 30/03/2026 22:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 10 (1 Low) *2 | 30/03/2026 22:00:00 |
| Southend-on-Sea Timeseries Graph |
76 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| St Osyth Timeseries Graph |
91 (3 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *1 | 30/03/2026 22:00:00 |
| Thurrock Timeseries Graph |
80 (3 Low) | 40 (1 Low) | 1 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 30/03/2026 09:15:00 |
| Weybourne Timeseries Graph |
86 (3 Low) | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Wicken Fen Timeseries Graph |
76 (3 Low) | 5 (1 Low) | 5 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 30/03/2026 14:00:00 |
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 | 42 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *1 | 30/03/2026 22:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 32 (2 Low) *1 | 30/03/2026 22:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 30/03/2026 08:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 30/03/2026 22:00:00 |
| London Bexley Timeseries Graph |
n/m | 23 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| London Bloomsbury Timeseries Graph |
71 (3 Low) | 45 (1 Low) | 2 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 30/03/2026 10:15:00 |
| London Farringdon Street Timeseries Graph |
n/m | 38 (1 Low) | n/m | 10 (1 Low) | n/m | 30/03/2026 22:00:00 |
| London Haringey Priory Park South Timeseries Graph |
85 (3 Low) | 20 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 30/03/2026 22:00:00 |
| London Harlington Timeseries Graph |
80 (3 Low) | 31 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| London Hillingdon Timeseries Graph |
85 (3 Low) | 57 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 30/03/2026 22:00:00 |
| London Honor Oak Park Timeseries Graph |
92 (3 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| London Marylebone Road Timeseries Graph |
82 (3 Low) | 44 (1 Low) | 2 (1 Low) | 12 (2 Low) | 18 (2 Low) *1 | 30/03/2026 07:00:00 |
| London N. Kensington Timeseries Graph |
85 (3 Low) | 25 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 30/03/2026 09:30:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 30/03/2026 22:00:00 |
| London Westminster Timeseries Graph |
72 (3 Low) | 31 (1 Low) | n/m | n/m | n/m | 30/03/2026 20:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | 25 (2 Low) *1 | 30/03/2026 22:00:00 |
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 |
97 (3 Low) | 9 (1 Low) | n/m | n/m | n/m | 30/03/2026 07:00:00 |
| Inverness Timeseries Graph |
n/m | 14 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 30/03/2026 22:00:00 |
| Lerwick Timeseries Graph |
86 (3 Low) | n/m | n/m | n/m | n/m | 30/03/2026 17:00:00 |
| Strathvaich Timeseries Graph |
100 (3 Low) | n/m | n/m | n/m | n/m | 30/03/2026 14:00:00 |
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 |
| Hartlepool St Abbs Walk Timeseries Graph |
87 (3 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 30/03/2026 22:00:00 |
| Kielder Water Timeseries Graph |
81 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 30/03/2026 22:00:00 |
| Middlesbrough Timeseries Graph |
83 (3 Low) | 11 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *1 | 30/03/2026 05:45:00 |
| Newcastle Centre Timeseries Graph |
83 (3 Low) | 14 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 30/03/2026 09:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 30/03/2026 22:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 30/03/2026 17:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 5 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 7 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *1 | 30/03/2026 20:00:00 |
| Sunderland Silksworth Timeseries Graph |
91 (3 Low) | 13 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 30/03/2026 22:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 12 (1 Low) | n/m | 5 (1 Low) | n/m | 30/03/2026 22:00:00 |
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 |
84 (3 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 30/03/2026 22:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 30/03/2026 19:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 09/02/2026 03:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 30/03/2026 09:00:00 |
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 |
84 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 29/03/2026 23:00:00 |
| Wrexham Timeseries Graph |
n/m | 9 (1 Low) | 1 (1 Low) | 11 (1 Low) | 21 (2 Low) *2 | 29/03/2026 21:15:00 |
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 | 17 (2 Low) | n/m | 30/03/2026 20:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 30/03/2026 18:00:00 |
| Blackburn Audley Park Timeseries Graph |
75 (3 Low) | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 30/03/2026 20:00:00 |
| Blackpool Marton Timeseries Graph |
84 (3 Low) | 7 (1 Low) | n/m | 15 (2 Low) | 27 (2 Low) *2 | 30/03/2026 14:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | n/m | 30/03/2026 14:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | 32 (2 Low) *1 | 30/03/2026 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *1 | 30/03/2026 22:00:00 |
| Crewe Coppenhall Timeseries Graph |
85 (3 Low) | 10 (1 Low) | n/m | 13 (2 Low) | 23 (2 Low) *2 | 30/03/2026 21:00:00 |
| Glazebury Timeseries Graph |
86 (3 Low) | 6 (1 Low) | n/m | 12 (2 Low) | 20 (2 Low) *2 | 30/03/2026 20:00:00 |
| Liverpool Speke Timeseries Graph |
83 (3 Low) | 13 (1 Low) | 1 (1 Low) | 15 (2 Low) | 37 (3 Low) *1 | 30/03/2026 18:30:00 |
| Liverpool Thirlmere Park Timeseries Graph |
83 (3 Low) | n/m | n/m | 16 (2 Low) | 32 (2 Low) *2 | 30/03/2026 20:00:00 |
| Manchester Piccadilly Timeseries Graph |
74 (3 Low) | 15 (1 Low) | 1 (1 Low) | 15 (2 Low) | 30 (2 Low) *2 | 30/03/2026 12:30:00 |
| Manchester Sharston Timeseries Graph |
86 (3 Low) | 12 (1 Low) | n/m | 13 (2 Low) | 23 (2 Low) *2 | 30/03/2026 20:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 30/03/2026 21:00:00 |
| Preston Timeseries Graph |
82 (3 Low) | 11 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *2 | 30/03/2026 19:00:00 |
| Salford Eccles Timeseries Graph |
89 (3 Low) | 14 (1 Low) | n/m | 15 (2 Low) | 28 (2 Low) *2 | 30/03/2026 20:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 30/03/2026 12:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | 32 (2 Low) *1 | 30/03/2026 20:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 30/03/2026 21:00:00 |
| Warrington Timeseries Graph |
n/m | 13 (1 Low) | n/m | 14 (2 Low) | 31 (2 Low) *1 | 30/03/2026 20:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 30/03/2026 19:00:00 |
| Wigan Centre Timeseries Graph |
80 (3 Low) | 7 (1 Low) | n/m | 15 (2 Low) | 28 (2 Low) *2 | 30/03/2026 20:00:00 |
| Wirral Tranmere Timeseries Graph |
85 (3 Low) | 9 (1 Low) | n/m | 15 (2 Low) | 27 (2 Low) *2 | 30/03/2026 20:00:00 |
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 | 39 (1 Low) | n/m | n/m | n/a | 30/03/2026 09:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 30/03/2026 21:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 11 (1 Low) | 20 (1 Low) | n/m | n/m | 30/03/2026 20:30:00 |
| Belfast Centre Timeseries Graph |
76 (3 Low) | 17 (1 Low) | 1 (1 Low) | 13 (2 Low) | 23 (2 Low) *2 | 29/03/2026 23:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 67 (1 Low) | n/m | n/m | 34 (3 Low) *1 | 30/03/2026 09:00:00 |
| Derry Rosemount Timeseries Graph |
85 (3 Low) | 6 (1 Low) | 2 (1 Low) | 10 (1 Low) | 27 (2 Low) *1 | 30/03/2026 20:00:00 |
| Lough Navar Timeseries Graph |
79 (3 Low) | n/m | n/m | 14 (2 Low) | 23 (2 Low) *2 | 30/03/2026 15:00:00 |
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 | 15 (1 Low) | n/m | n/m | n/m | 29/03/2026 18:00:00 |
| Eskdalemuir Timeseries Graph |
87 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 30/03/2026 01:00:00 |
| Peebles Timeseries Graph |
89 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 29/03/2026 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 | 7 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Brighton Preston Park Timeseries Graph |
75 (3 Low) | 13 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 17:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 7 (1 Low) | 23 (2 Low) *1 | 30/03/2026 22:00:00 |
| Chilbolton Observatory Timeseries Graph |
91 (3 Low) | 6 (1 Low) | 2 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 30/03/2026 02:30:00 |
| Eastbourne Timeseries Graph |
84 (3 Low) | 8 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| Horley Timeseries Graph |
n/m | 27 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| Lullington Heath Timeseries Graph |
95 (3 Low) | 7 (1 Low) | 4 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 18:45:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 24 (2 Low) *2 | 30/03/2026 22:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
81 (3 Low) | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 30/03/2026 22:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 30/03/2026 21:00:00 |
| Oxford St Ebbes Timeseries Graph |
80 (3 Low) | 24 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 30/03/2026 22:00:00 |
| Portsmouth Timeseries Graph |
76 (3 Low) | 15 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 22:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 30/03/2026 22:00:00 |
| Reading London Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 30/03/2026 22:00:00 |
| Reading New Town Timeseries Graph |
80 (3 Low) | 17 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 30/03/2026 22:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Rochester Stoke Timeseries Graph |
81 (3 Low) | 31 (1 Low) | 1 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 30/03/2026 21:45:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 30/03/2026 22:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 53 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 30/03/2026 22:00:00 |
| Southampton Centre Timeseries Graph |
80 (3 Low) | 77 (2 Low) | 6 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 30/03/2026 07:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 30/03/2026 22:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 10 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 30/03/2026 15:00:00 |
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 |
83 (3 Low) | 18 (1 Low) | 1 (1 Low) | 11 (1 Low) | 21 (2 Low) *1 | 30/03/2026 21:45:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 30/03/2026 07:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | n/a | n/m | 13 (2 Low) | 23 (2 Low) *1 | 30/03/2026 22:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
91 (3 Low) | 18 (1 Low) | n/m | n/m | n/m | 29/03/2026 20:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 77 (2 Low) | n/m | n/m | n/m | 30/03/2026 07:00:00 |
| Narberth Timeseries Graph |
84 (3 Low) | 5 (1 Low) | 1 (1 Low) | 11 (1 Low) | 20 (2 Low) *2 | 30/03/2026 08:45:00 |
| Newport Timeseries Graph |
n/m | 14 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Port Talbot Margam Timeseries Graph |
83 (3 Low) | 28 (1 Low) | 1 (1 Low) | 7 (1 Low) | 24 (2 Low) *3 | 30/03/2026 18:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 12 (2 Low) | 24 (2 Low) *1 | 30/03/2026 21:00:00 |
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 | 14 (2 Low) | 27 (2 Low) *2 | 30/03/2026 22:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 22/03/2026 17:00:00 |
| Bournemouth Timeseries Graph |
79 (3 Low) | 8 (1 Low) | n/m | 11 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 30/03/2026 22:00:00 |
| Bristol St Paul's Timeseries Graph |
82 (3 Low) | 14 (1 Low) | n/m | 9 (1 Low) | 27 (2 Low) *1 | 30/03/2026 22:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 28 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 30/03/2026 22:00:00 |
| Charlton Mackrell Timeseries Graph |
82 (3 Low) | 3 (1 Low) | n/m | 11 (1 Low) | 18 (2 Low) *2 | 30/03/2026 22:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | 9 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Exeter Roadside Timeseries Graph |
81 (3 Low) | 27 (1 Low) | n/m | n/m | n/m | 29/03/2026 23:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 20 (2 Low) *2 | 30/03/2026 22:00:00 |
| Honiton Timeseries Graph |
79 (3 Low) | 12 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 30/03/2026 22:00:00 |
| Plymouth Centre Timeseries Graph |
76 (3 Low) | 70 (2 Low) | n/m | 11 (1 Low) | 28 (2 Low) *2 | 30/03/2026 22:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 30/03/2026 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 23 (2 Low) *1 | 30/03/2026 22:00:00 |
| Swindon Walcot Timeseries Graph |
81 (3 Low) | 15 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 30/03/2026 22:00:00 |
| Yarner Wood Timeseries Graph |
87 (3 Low) | 1 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 30/03/2026 22:00:00 |
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 |
96 (3 Low) | n/m | n/m | n/m | n/m | 30/03/2026 11:00:00 |
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 |
| Birmingham A4540 Roadside Timeseries Graph |
76 (3 Low) | 43 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 30/03/2026 22:00:00 |
| Birmingham Hall Green Timeseries Graph |
88 (3 Low) | 15 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Birmingham Ladywood Timeseries Graph |
72 (3 Low) | 14 (1 Low) | 2 (1 Low) | 10 (1 Low) | 18 (2 Low) *2 | 30/03/2026 10:00:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
84 (3 Low) | 18 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 30/03/2026 22:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 11 (1 Low) | n/m | 30/03/2026 22:00:00 |
| Coventry Allesley Timeseries Graph |
82 (3 Low) | 19 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 30/03/2026 22:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 30/03/2026 22:00:00 |
| Leamington Spa Timeseries Graph |
90 (3 Low) | 26 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 30/03/2026 22:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 30/03/2026 22:00:00 |
| Leominster Timeseries Graph |
86 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 30/03/2026 20:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 30/03/2026 22:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 30/03/2026 22:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 14 (2 Low) | 24 (2 Low) *2 | 30/03/2026 22:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
78 (3 Low) | 16 (1 Low) | n/m | 13 (2 Low) | 26 (2 Low) *2 | 30/03/2026 21:00:00 |
| Telford Hollinswood Timeseries Graph |
86 (3 Low) | 10 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 30/03/2026 22:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 20 (2 Low) *2 | 30/03/2026 22:00:00 |
| Walsall Woodlands Timeseries Graph |
83 (3 Low) | 8 (1 Low) | n/m | n/m | n/m | 30/03/2026 19:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
79 (3 Low) | 35 (1 Low) | n/m | n/m | n/m | 30/03/2026 19:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 30/03/2026 22:00:00 |
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 |
83 (3 Low) | 6 (1 Low) | 3 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 30/03/2026 21:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 30/03/2026 20:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 30/03/2026 19:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
78 (3 Low) | 9 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 30/03/2026 21:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 17 (1 Low) | n/m | 8 (1 Low) | n/m | 30/03/2026 21:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 30/03/2026 22:00:00 |
| High Muffles Timeseries Graph |
83 (3 Low) | 1 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 30/03/2026 19:00:00 |
| Hull Freetown Timeseries Graph |
84 (3 Low) | 22 (1 Low) | 15 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 30/03/2026 13:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/a | n/a | 30/03/2026 01:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
83 (3 Low) | 12 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 30/03/2026 22:00:00 |
| Leeds Centre Timeseries Graph |
82 (3 Low) | 19 (1 Low) | 2 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 30/03/2026 19:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *1 | 30/03/2026 22:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 16 (1 Low) *2 | 30/03/2026 22:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 13 (1 Low) | 3 (1 Low) | 8 (1 Low) | 14 (1 Low) *1 | 29/03/2026 22:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | 9 (1 Low) | n/m | 30/03/2026 21:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
81 (3 Low) | 10 (1 Low) | n/m | 11 (1 Low) | 19 (2 Low) *2 | 30/03/2026 21:00:00 |
| Sheffield Tinsley Timeseries Graph |
75 (3 Low) | 23 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 30/03/2026 21:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 30/03/2026 20:00:00 |
| York Bootham Timeseries Graph |
68 (3 Low) | 11 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 30/03/2026 18:00:00 |
| York Fishergate Timeseries Graph |
n/m | 17 (1 Low) | n/m | 4 (1 Low) | 18 (2 Low) *1 | 30/03/2026 17:00:00 |
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