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 midnight Tue 14th Apr 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 |
77 (3 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 14/04/2026 01:00:00 |
| Bush Estate Timeseries Graph |
92 (3 Low) | 9 (1 Low) | n/m | n/m | n/m | 14/04/2026 18:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 14/04/2026 08:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 14/04/2026 08:00:00 |
| Edinburgh St Leonards Timeseries Graph |
80 (3 Low) | 23 (1 Low) | 3 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 14/04/2026 12:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 37 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 14/04/2026 01:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 93 (2 Low) | n/m | n/m | n/m | 14/04/2026 18:00:00 |
| Glasgow Townhead Timeseries Graph |
83 (3 Low) | 49 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| Grangemouth Timeseries Graph |
n/m | 29 (1 Low) | 3 (1 Low) | 5 (1 Low) | 12 (1 Low) *1 | 14/04/2026 07:30:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 14/04/2026 09:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 14/04/2026 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 |
83 (3 Low) | 26 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 09:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 14/04/2026 08:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 46 (1 Low) | n/m | 8 (1 Low) | n/m | 14/04/2026 08:00:00 |
| Derby Stockbrook Park Timeseries Graph |
79 (3 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 07:00:00 |
| Ladybower Timeseries Graph |
93 (3 Low) | 16 (1 Low) | 9 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 09:45:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 59 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 14/04/2026 03:00:00 |
| Leicester University Timeseries Graph |
87 (3 Low) | 21 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 03:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | n/m | 14/04/2026 17:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 04:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 13 (1 Low) *2 | 14/04/2026 06:00:00 |
| Northampton Spring Park Timeseries Graph |
87 (3 Low) | 27 (1 Low) | n/m | 9 (1 Low) | n/m | 14/04/2026 09:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 05:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
74 (3 Low) | 35 (1 Low) | 1 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 14/04/2026 09:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 46 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 14/04/2026 07:00:00 |
| Tallington Timeseries Graph |
90 (3 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 09:00:00 |
| Toft Newton Timeseries Graph |
98 (3 Low) | 9 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 09:00:00 |
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 | 36 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 14/04/2026 06:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 09:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 14/04/2026 08:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 7 (1 Low) | n/m | 14/04/2026 09:00:00 |
| Norwich Lakenfields Timeseries Graph |
84 (3 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 14/04/2026 24:00: |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 09:00:00 |
| Sibton Timeseries Graph |
84 (3 Low) | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 14/04/2026 01:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| Southend-on-Sea Timeseries Graph |
90 (3 Low) | 21 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| St Osyth Timeseries Graph |
82 (3 Low) | 21 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 14/04/2026 01:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/a | 17 (2 Low) *1 | 13/04/2026 11:00:00 |
| Thurrock Timeseries Graph |
n/a | n/a | 5 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 14/04/2026 06:30:00 |
| Weybourne Timeseries Graph |
90 (3 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 14/04/2026 24:00: |
| Wicken Fen Timeseries Graph |
83 (3 Low) | 9 (1 Low) | 3 (1 Low) | 5 (1 Low) | 7 (1 Low) *2 | 14/04/2026 21:45:00 |
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 | 50 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *1 | 14/04/2026 01:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 40 (3 Low) *1 | 14/04/2026 01:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 14/04/2026 01:00:00 |
| London Bexley Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/a | n/a | 01/04/2026 07:00:00 |
| London Bloomsbury Timeseries Graph |
86 (3 Low) | 34 (1 Low) | 3 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 14/04/2026 01:30:00 |
| London Farringdon Street Timeseries Graph |
n/m | 51 (1 Low) | n/m | 7 (1 Low) | n/m | 14/04/2026 01:00:00 |
| London Haringey Priory Park South Timeseries Graph |
94 (3 Low) | 43 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| London Harlington Timeseries Graph |
83 (3 Low) | 56 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 14/04/2026 01:00:00 |
| London Hillingdon Timeseries Graph |
74 (3 Low) | 67 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 14/04/2026 01:00:00 |
| London Honor Oak Park Timeseries Graph |
102 (4 Moderate) | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 01:00:00 |
| London Marylebone Road Timeseries Graph |
67 (3 Low) | 54 (1 Low) | 5 (1 Low) | 9 (1 Low) | 18 (2 Low) *1 | 14/04/2026 18:15:00 |
| London N. Kensington Timeseries Graph |
99 (3 Low) | 31 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 20:45:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 14/04/2026 24:00: |
| London Westminster Timeseries Graph |
82 (3 Low) | 29 (1 Low) | n/m | n/m | n/m | 14/04/2026 19:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 14/04/2026 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 |
91 (3 Low) | 21 (1 Low) | n/m | n/m | n/m | 14/04/2026 18:00:00 |
| Inverness Timeseries Graph |
n/m | 28 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 14/04/2026 24:00: |
| Lerwick Timeseries Graph |
79 (3 Low) | n/m | n/m | n/m | n/m | 14/04/2026 15:00:00 |
| Strathvaich Timeseries Graph |
101 (4 Moderate) | n/m | n/m | n/m | n/m | 14/04/2026 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 |
| Hartlepool St Abbs Walk Timeseries Graph |
79 (3 Low) | 24 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 14/04/2026 12:00:00 |
| Kielder Water Timeseries Graph |
71 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 14/04/2026 01:00:00 |
| Middlesbrough Timeseries Graph |
82 (3 Low) | 23 (1 Low) | 2 (1 Low) | 7 (1 Low) | 17 (2 Low) *1 | 14/04/2026 20:45:00 |
| Newcastle Centre Timeseries Graph |
76 (3 Low) | 51 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *1 | 14/04/2026 21:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 68 (2 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 14/04/2026 01:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 14/04/2026 07:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | 8 (1 Low) | n/m | 14/04/2026 13:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 11 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *1 | 14/04/2026 03:00:00 |
| Sunderland Silksworth Timeseries Graph |
80 (3 Low) | 35 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 14/04/2026 14:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 33 (1 Low) | n/m | 10 (1 Low) | n/m | 14/04/2026 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 |
82 (3 Low) | 49 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 14/04/2026 24:00: |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 14/04/2026 10:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 13/04/2026 07:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
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 |
82 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 14/04/2026 01:00:00 |
| Wrexham Timeseries Graph |
n/m | 29 (1 Low) | 3 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 09:00:00 |
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 | 31 (1 Low) | n/m | 7 (1 Low) | n/m | 14/04/2026 01:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
| Blackburn Audley Park Timeseries Graph |
74 (3 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 05:00:00 |
| Blackpool Marton Timeseries Graph |
71 (3 Low) | 23 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 14/04/2026 06:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 14/04/2026 06:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 14/04/2026 08:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 14 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *1 | 14/04/2026 22:00:00 |
| Crewe Coppenhall Timeseries Graph |
80 (3 Low) | 32 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 14/04/2026 01:00:00 |
| Glazebury Timeseries Graph |
75 (3 Low) | 36 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 14/04/2026 07:00:00 |
| Liverpool Speke Timeseries Graph |
68 (3 Low) | 38 (1 Low) | 6 (1 Low) | 10 (1 Low) | 18 (2 Low) *1 | 14/04/2026 18:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
65 (2 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 01:00:00 |
| Manchester Piccadilly Timeseries Graph |
66 (2 Low) | 62 (1 Low) | 2 (1 Low) | 9 (1 Low) | 15 (1 Low) *2 | 14/04/2026 07:45:00 |
| Manchester Sharston Timeseries Graph |
81 (3 Low) | 30 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 14/04/2026 01:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 14/04/2026 06:00:00 |
| Preston Timeseries Graph |
74 (3 Low) | 29 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 14/04/2026 08:00:00 |
| Salford Eccles Timeseries Graph |
76 (3 Low) | 54 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 14/04/2026 05:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 76 (2 Low) | n/m | n/m | 20 (2 Low) *1 | 13/04/2026 22:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 14/04/2026 10:00:00 |
| Warrington Timeseries Graph |
n/m | 24 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 14/04/2026 08:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
| Wigan Centre Timeseries Graph |
67 (3 Low) | 41 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 14/04/2026 04:00:00 |
| Wirral Tranmere Timeseries Graph |
72 (3 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 14/04/2026 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 | 29 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 14/04/2026 17:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 14/04/2026 20:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 14 (1 Low) | 21 (1 Low) | n/m | n/m | 14/04/2026 23:30:00 |
| Belfast Centre Timeseries Graph |
70 (3 Low) | 24 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 14/04/2026 02:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | 30 (2 Low) *1 | 14/04/2026 08:00:00 |
| Derry Rosemount Timeseries Graph |
73 (3 Low) | 15 (1 Low) | 7 (1 Low) | 5 (1 Low) | 8 (1 Low) *1 | 13/04/2026 24:30: |
| Lough Navar Timeseries Graph |
65 (2 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 14/04/2026 19:00:00 |
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 | 42 (1 Low) | n/m | n/m | n/m | 14/04/2026 09:00:00 |
| Eskdalemuir Timeseries Graph |
83 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 14/04/2026 18:00:00 |
| Peebles Timeseries Graph |
84 (3 Low) | 11 (1 Low) | n/m | n/m | n/m | 14/04/2026 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 | 14/04/2026 09:00:00 |
| Brighton Preston Park Timeseries Graph |
78 (3 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 14/04/2026 01:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 6 (1 Low) | 22 (2 Low) *1 | 14/04/2026 01:00:00 |
| Chilbolton Observatory Timeseries Graph |
88 (3 Low) | 13 (1 Low) | 3 (1 Low) | 5 (1 Low) | 7 (1 Low) *2 | 14/04/2026 11:45:00 |
| Eastbourne Timeseries Graph |
83 (3 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 14/04/2026 24:00: |
| Horley Timeseries Graph |
n/m | 26 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 06:00:00 |
| Lullington Heath Timeseries Graph |
103 (4 Moderate) | 9 (1 Low) | 4 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 20:45:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 14/04/2026 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
86 (3 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 14/04/2026 22:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
| Oxford St Ebbes Timeseries Graph |
79 (3 Low) | 29 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 14/04/2026 24:00: |
| Portsmouth Timeseries Graph |
77 (3 Low) | 44 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 24:00: |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 40 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 14/04/2026 24:00: |
| Reading London Road Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 14/04/2026 08:00:00 |
| Reading New Town Timeseries Graph |
82 (3 Low) | 29 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 14/04/2026 09:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 14/04/2026 24:00: |
| Rochester Stoke Timeseries Graph |
94 (3 Low) | 15 (1 Low) | 3 (1 Low) | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 19:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 14/04/2026 08:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 75 (2 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 14/04/2026 24:00: |
| Southampton Centre Timeseries Graph |
69 (3 Low) | 64 (1 Low) | 4 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 14/04/2026 11:30:00 |
| Storrington Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 6 (1 Low) | 16 (1 Low) *2 | 14/04/2026 01:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 9 (1 Low) | n/m | 14/04/2026 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 14/04/2026 01:00:00 |
South Wales
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Cardiff Centre Timeseries Graph |
80 (3 Low) | 18 (1 Low) | 1 (1 Low) | 9 (1 Low) | 15 (1 Low) *1 | 14/04/2026 12:15:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 14/04/2026 09:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 49 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *1 | 14/04/2026 01:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
70 (3 Low) | 22 (1 Low) | n/m | n/m | n/m | 14/04/2026 20:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 88 (2 Low) | n/m | n/m | n/m | 14/04/2026 07:00:00 |
| Narberth Timeseries Graph |
89 (3 Low) | 5 (1 Low) | 3 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 14/04/2026 13:45:00 |
| Newport Timeseries Graph |
n/m | 39 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 14/04/2026 07:00:00 |
| Port Talbot Margam Timeseries Graph |
81 (3 Low) | 13 (1 Low) | 1 (1 Low) | 11 (1 Low) | 16 (1 Low) *3 | 14/04/2026 03:15:00 |
| Swansea Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *1 | 14/04/2026 02:00:00 |
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 | 14/04/2026 01:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 21/03/2026 20:00:00 |
| Bournemouth Timeseries Graph |
86 (3 Low) | 14 (1 Low) | n/m | 8 (1 Low) | n/m | 14/04/2026 20:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 14/04/2026 01:00:00 |
| Bristol St Paul's Timeseries Graph |
70 (3 Low) | 63 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *1 | 14/04/2026 01:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 72 (2 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 14/04/2026 01:00:00 |
| Charlton Mackrell Timeseries Graph |
72 (3 Low) | 6 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 14/04/2026 22:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 14/04/2026 02:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | n/m | 14/04/2026 01:00:00 |
| Exeter Roadside Timeseries Graph |
85 (3 Low) | 23 (1 Low) | n/m | n/m | n/m | 14/04/2026 10:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 14/04/2026 01:00:00 |
| Honiton Timeseries Graph |
81 (3 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 14/04/2026 01:00:00 |
| Plymouth Centre Timeseries Graph |
90 (3 Low) | 37 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 14/04/2026 24:00: |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 14/04/2026 22:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 11 (1 Low) *1 | 14/04/2026 18:00:00 |
| Swindon Walcot Timeseries Graph |
82 (3 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 14/04/2026 24:00: |
| Yarner Wood Timeseries Graph |
87 (3 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 14/04/2026 19:00:00 |
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 |
84 (3 Low) | n/m | n/m | n/m | n/m | 13/04/2026 23:00:00 |
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 |
59 (2 Low) | 59 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *2 | 14/04/2026 03:00:00 |
| Birmingham Hall Green Timeseries Graph |
85 (3 Low) | 24 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 14/04/2026 01:00:00 |
| Birmingham Ladywood Timeseries Graph |
63 (2 Low) | 46 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 14/04/2026 08:45:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 01:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
84 (3 Low) | 44 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 03:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 47 (1 Low) | n/m | 8 (1 Low) | n/m | 14/04/2026 01:00:00 |
| Coventry Allesley Timeseries Graph |
76 (3 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 14/04/2026 08:00:00 |
| Leamington Spa Timeseries Graph |
89 (3 Low) | 21 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 14/04/2026 01:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 14/04/2026 01:00:00 |
| Leominster Timeseries Graph |
71 (3 Low) | 17 (1 Low) | n/m | n/m | n/m | 14/04/2026 18:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 14/04/2026 01:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 14/04/2026 01:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *2 | 14/04/2026 06:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
71 (3 Low) | 24 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 14/04/2026 07:00:00 |
| Telford Hollinswood Timeseries Graph |
79 (3 Low) | 23 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 14/04/2026 07:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 14/04/2026 01:00:00 |
| Walsall Woodlands Timeseries Graph |
81 (3 Low) | 41 (1 Low) | n/m | n/m | n/m | 14/04/2026 18:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
74 (3 Low) | 31 (1 Low) | n/m | n/m | n/m | 14/04/2026 18:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 14/04/2026 01:00:00 |
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 |
79 (3 Low) | 28 (1 Low) | 3 (1 Low) | 7 (1 Low) | 21 (2 Low) *2 | 14/04/2026 09:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | n/m | 13/04/2026 24:00: |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 23 (2 Low) *2 | 14/04/2026 23:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
72 (3 Low) | 56 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 14/04/2026 10:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 53 (1 Low) | n/m | 10 (1 Low) | n/m | 14/04/2026 09:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 14/04/2026 01:00:00 |
| High Muffles Timeseries Graph |
86 (3 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 14/04/2026 09:00:00 |
| Hull Freetown Timeseries Graph |
78 (3 Low) | 47 (1 Low) | 5 (1 Low) | 7 (1 Low) | 15 (1 Low) *2 | 14/04/2026 03:45:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 14/04/2026 08:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
93 (3 Low) | 27 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 14/04/2026 08:00:00 |
| Leeds Centre Timeseries Graph |
74 (3 Low) | 55 (1 Low) | 11 (1 Low) | 10 (1 Low) | 17 (2 Low) *2 | 14/04/2026 08:45:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 57 (1 Low) | n/m | 13 (2 Low) | 30 (2 Low) *1 | 14/04/2026 10:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 14 (1 Low) *2 | 14/04/2026 09:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 28 (1 Low) | 2 (1 Low) | 10 (1 Low) | 20 (2 Low) *1 | 14/04/2026 07:30:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 63 (1 Low) | n/m | 10 (1 Low) | n/m | 14/04/2026 02:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
77 (3 Low) | 36 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 14/04/2026 08:00:00 |
| Sheffield Tinsley Timeseries Graph |
66 (2 Low) | 50 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 14/04/2026 23:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 14/04/2026 10:00:00 |
| York Bootham Timeseries Graph |
71 (3 Low) | 27 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *1 | 14/04/2026 09:00:00 |
| York Fishergate Timeseries Graph |
n/m | 23 (1 Low) | n/m | 6 (1 Low) | 23 (2 Low) *1 | 14/04/2026 11:00:00 |
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