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 Sat 31st May 2025
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 |
75 (3 Low) | n/m | n/m | 3 (1 Low) | 4 (1 Low) *2 | 31/05/2025 24:00: |
| Bush Estate Timeseries Graph |
80 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 31/05/2025 22:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 31/05/2025 03:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 31/05/2025 09:00:00 |
| Edinburgh St Leonards Timeseries Graph |
67 (3 Low) | 11 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 02:30:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 31/05/2025 09:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 17 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| Glasgow Kerbside Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/m | 31/05/2025 09:00:00 |
| Glasgow Townhead Timeseries Graph |
77 (3 Low) | 20 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 24:00: |
| Grangemouth Timeseries Graph |
n/m | 12 (1 Low) | 3 (1 Low) | 5 (1 Low) | 9 (1 Low) *1 | 31/05/2025 05:15:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 31/05/2025 09:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
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 |
71 (3 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Chesterfield Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 2 (1 Low) | 6 (1 Low) *2 | 31/05/2025 18:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 41 (1 Low) | n/m | 4 (1 Low) | n/m | 31/05/2025 24:00: |
| Derby Stockbrook Park Timeseries Graph |
66 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Ladybower Timeseries Graph |
79 (3 Low) | 3 (1 Low) | 1 (1 Low) | 2 (1 Low) | 4 (1 Low) *2 | 31/05/2025 16:45:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 16:00:00 |
| Leicester University Timeseries Graph |
69 (3 Low) | 32 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 16:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 31/05/2025 02:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 30/05/2025 01:00:00 |
| Northampton Spring Park Timeseries Graph |
68 (3 Low) | 14 (1 Low) | n/m | 6 (1 Low) | n/m | 31/05/2025 11:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Nottingham Kenmore Gardens Timeseries Graph |
71 (3 Low) | 32 (1 Low) | 1 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 03:15:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 48 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 24:00: |
| Tallington Timeseries Graph |
70 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/05/2025 17:00:00 |
| Toft Newton Timeseries Graph |
85 (3 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 18:00:00 |
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 | 12 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 18:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 31/05/2025 18:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 7 (1 Low) | n/m | 31/05/2025 20:00:00 |
| Norwich Lakenfields Timeseries Graph |
71 (3 Low) | 26 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 24:00: |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 17:00:00 |
| Sibton Timeseries Graph |
65 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 21:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 20:00:00 |
| Southend-on-Sea Timeseries Graph |
70 (3 Low) | 28 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 31/05/2025 19:00:00 |
| St Osyth Timeseries Graph |
61 (2 Low) | 31 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 20:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 8 (1 Low) | 13 (1 Low) *1 | 31/05/2025 22:00:00 |
| Thurrock Timeseries Graph |
n/a | 38 (1 Low) | 3 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 06:15:00 |
| Weybourne Timeseries Graph |
64 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 18:00:00 |
| Wicken Fen Timeseries Graph |
63 (2 Low) | 8 (1 Low) | 6 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 17:00:00 |
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 | 33 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *1 | 31/05/2025 18:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 44 (3 Low) *1 | 31/05/2025 06:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 31/05/2025 02:00:00 |
| London Bexley Timeseries Graph |
n/m | 21 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 31/05/2025 13:00:00 |
| London Bloomsbury Timeseries Graph |
73 (3 Low) | 20 (1 Low) | 4 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 22:45:00 |
| London Haringey Priory Park South Timeseries Graph |
74 (3 Low) | 32 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 18:00:00 |
| London Harlington Timeseries Graph |
n/a | 48 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 19:00:00 |
| London Hillingdon Timeseries Graph |
48 (2 Low) | 37 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 31/05/2025 18:00:00 |
| London Honor Oak Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 14:00:00 |
| London Marylebone Road Timeseries Graph |
35 (2 Low) | 35 (1 Low) | 5 (1 Low) | 10 (1 Low) | 18 (2 Low) *1 | 31/05/2025 10:00:00 |
| London N. Kensington Timeseries Graph |
n/a | 16 (1 Low) | 2 (1 Low) | n/a | n/a | 31/05/2025 21:45:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 17:00:00 |
| London Westminster Timeseries Graph |
59 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | n/m | 31/05/2025 13:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 31/05/2025 05:00:00 |
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 |
72 (3 Low) | 14 (1 Low) | n/m | n/m | n/m | 31/05/2025 24:00: |
| Inverness Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 23:00:00 |
| Lerwick Timeseries Graph |
83 (3 Low) | n/m | n/m | n/m | n/m | 31/05/2025 01:00:00 |
| Strathvaich Timeseries Graph |
85 (3 Low) | n/m | n/m | n/m | n/m | 31/05/2025 23:00:00 |
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 |
76 (3 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 24:00: |
| Kielder Water Timeseries Graph |
70 (3 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/05/2025 24:00: |
| Middlesbrough Timeseries Graph |
76 (3 Low) | 8 (1 Low) | 2 (1 Low) | 1 (1 Low) | 9 (1 Low) *1 | 31/05/2025 09:15:00 |
| Newcastle Centre Timeseries Graph |
70 (3 Low) | 20 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 31/05/2025 06:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 46 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 3 (1 Low) | n/m | 31/05/2025 03:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 13 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *1 | 31/05/2025 08:00:00 |
| Sunderland Silksworth Timeseries Graph |
74 (3 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Sunderland Wessington Way Timeseries Graph |
n/m | 8 (1 Low) | n/m | 3 (1 Low) | n/m | 31/05/2025 24:00: |
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 |
69 (3 Low) | 37 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 31/05/2025 09:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 31/05/2025 14:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 31/05/2025 10:00:00 |
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 |
71 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 31/05/2025 23:00:00 |
| Wrexham Timeseries Graph |
n/m | 10 (1 Low) | 3 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 12:00:00 |
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 | 9 (1 Low) | n/m | 4 (1 Low) | n/m | 31/05/2025 24:00: |
| Blackburn Accrington Road Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 31/05/2025 01:00:00 |
| Blackburn Audley Park Timeseries Graph |
71 (3 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 24:00: |
| Blackpool Marton Timeseries Graph |
79 (3 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 24:00: |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 31/05/2025 24:00: |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 31/05/2025 03:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 6 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *1 | 31/05/2025 24:00: |
| Crewe Coppenhall Timeseries Graph |
75 (3 Low) | 18 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Glazebury Timeseries Graph |
73 (3 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Liverpool Speke Timeseries Graph |
86 (3 Low) | 7 (1 Low) | 6 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 31/05/2025 08:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
75 (3 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| Manchester Piccadilly Timeseries Graph |
69 (3 Low) | 39 (1 Low) | 3 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 20:00:00 |
| Manchester Sharston Timeseries Graph |
66 (2 Low) | 27 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 31/05/2025 24:00: |
| Preston Timeseries Graph |
74 (3 Low) | 32 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| Salford Eccles Timeseries Graph |
72 (3 Low) | 48 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 24:00: |
| Shaw Crompton Way Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 31/05/2025 02:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | 9 (1 Low) *1 | 31/05/2025 02:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 31/05/2025 06:00:00 |
| Warrington Timeseries Graph |
n/m | 12 (1 Low) | n/m | 2 (1 Low) | 10 (1 Low) *1 | 31/05/2025 24:00: |
| Widnes Milton Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 31/05/2025 12:00:00 |
| Wigan Centre Timeseries Graph |
74 (3 Low) | 18 (1 Low) | n/m | 6 (1 Low) | 19 (2 Low) *2 | 31/05/2025 08:00:00 |
| Wirral Tranmere Timeseries Graph |
77 (3 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
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 | 23 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 31/05/2025 14:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 31/05/2025 01:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | n/a | n/a | n/m | n/m | 26/02/2025 08:15:00 |
| Belfast Centre Timeseries Graph |
54 (2 Low) | 53 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 30/05/2025 24:15: |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 31/05/2025 01:00:00 |
| Derry Rosemount Timeseries Graph |
78 (3 Low) | 16 (1 Low) | 2 (1 Low) | 1 (1 Low) | 8 (1 Low) *1 | 31/05/2025 21:00:00 |
| Lough Navar Timeseries Graph |
65 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 21:00:00 |
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 | 31 (1 Low) | n/m | n/m | n/m | 31/05/2025 24:00: |
| Eskdalemuir Timeseries Graph |
77 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 31/05/2025 09:00:00 |
| Peebles Timeseries Graph |
79 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 31/05/2025 22:00:00 |
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 |
| Brighton Preston Park Timeseries Graph |
42 (2 Low) | 21 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 31/05/2025 24:00: |
| Chatham Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 4 (1 Low) | 18 (2 Low) *1 | 31/05/2025 01:00:00 |
| Chilbolton Observatory Timeseries Graph |
65 (2 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 09:45:00 |
| Eastbourne Timeseries Graph |
49 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 20:00:00 |
| Horley Timeseries Graph |
n/m | 44 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 16:00:00 |
| Lullington Heath Timeseries Graph |
54 (2 Low) | 15 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 13:15:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 31/05/2025 13:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
70 (3 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/05/2025 18:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 31/05/2025 01:00:00 |
| Oxford St Ebbes Timeseries Graph |
67 (3 Low) | 9 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/05/2025 24:00: |
| Portsmouth Timeseries Graph |
55 (2 Low) | 32 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 31/05/2025 13:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 31/05/2025 24:00: |
| Reading London Road Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 31/05/2025 11:00:00 |
| Reading New Town Timeseries Graph |
57 (2 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 15:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 31/05/2025 14:00:00 |
| Rochester Stoke Timeseries Graph |
72 (3 Low) | 21 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 31/05/2025 15:15:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 31/05/2025 16:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 24 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 31/05/2025 11:00:00 |
| Southampton Centre Timeseries Graph |
49 (2 Low) | 32 (1 Low) | 4 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 31/05/2025 11:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 24:00: |
| Worthing A27 Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 7 (1 Low) | n/m | 31/05/2025 24:00: |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 31/05/2025 23:00:00 |
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 |
70 (3 Low) | 10 (1 Low) | 1 (1 Low) | 7 (1 Low) | 15 (1 Low) *1 | 31/05/2025 23:45:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 31/05/2025 09:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 20 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 31/05/2025 07:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
79 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 31/05/2025 24:00: |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 29/05/2025 09:00:00 |
| Narberth Timeseries Graph |
69 (3 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 24:00: |
| Newport Timeseries Graph |
n/m | 5 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 24:00: |
| Port Talbot Margam Timeseries Graph |
79 (3 Low) | 12 (1 Low) | 2 (1 Low) | 6 (1 Low) | 18 (2 Low) *3 | 31/05/2025 06:15:00 |
| Swansea Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 31/05/2025 07:00:00 |
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 | 31/05/2025 24:00: |
| Bath A4 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 31/05/2025 18:00:00 |
| Bournemouth Timeseries Graph |
62 (2 Low) | 10 (1 Low) | n/m | 7 (1 Low) | n/m | 31/05/2025 05:00:00 |
| Bristol St Paul's Timeseries Graph |
72 (3 Low) | 16 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 31/05/2025 14:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 17 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 24:00: |
| Charlton Mackrell Timeseries Graph |
69 (3 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 31/05/2025 12:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | n/m | 31/05/2025 13:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | 6 (1 Low) | n/m | 31/05/2025 10:00:00 |
| Exeter Roadside Timeseries Graph |
64 (2 Low) | 21 (1 Low) | n/m | n/m | n/m | 31/05/2025 24:00: |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 03:00:00 |
| Honiton Timeseries Graph |
65 (2 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 09:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 29 (1 Low) | n/m | 6 (1 Low) | n/m | 31/05/2025 07:00:00 |
| Plymouth Centre Timeseries Graph |
77 (3 Low) | 16 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *2 | 31/05/2025 24:00: |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 31/05/2025 23:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 9 (1 Low) *1 | 31/05/2025 24:00: |
| Swindon Walcot Timeseries Graph |
67 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| Yarner Wood Timeseries Graph |
70 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
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 |
95 (3 Low) | n/m | n/m | n/m | n/m | 31/05/2025 02:00:00 |
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 |
61 (2 Low) | 39 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 31/05/2025 24:00: |
| Birmingham Hall Green Timeseries Graph |
76 (3 Low) | 14 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 23:00:00 |
| Birmingham Ladywood Timeseries Graph |
68 (3 Low) | 7 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 11:15:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
71 (3 Low) | 53 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 21:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 3 (1 Low) | n/m | 31/05/2025 24:00: |
| Coventry Allesley Timeseries Graph |
67 (3 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Coventry Binley Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 15:00:00 |
| Leamington Spa Timeseries Graph |
75 (3 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 10:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/05/2025 24:00: |
| Leominster Timeseries Graph |
73 (3 Low) | 7 (1 Low) | n/m | n/m | n/m | 31/05/2025 23:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 25 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 05:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 43 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| Stoke-on-Trent Centre Timeseries Graph |
70 (3 Low) | 34 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 24:00: |
| Telford Hollinswood Timeseries Graph |
80 (3 Low) | 10 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/05/2025 24:00: |
| Walsall Woodlands Timeseries Graph |
77 (3 Low) | 8 (1 Low) | n/m | n/m | n/m | 31/05/2025 24:00: |
| West Bromwich Kenrick Park Timeseries Graph |
71 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 31/05/2025 24:00: |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
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 |
62 (2 Low) | 25 (1 Low) | n/a | 3 (1 Low) | 8 (1 Low) *2 | 27/05/2025 17:45:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 63 (1 Low) | n/m | n/m | n/m | 30/05/2025 24:00: |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 11 (1 Low) *2 | 31/05/2025 22:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
71 (3 Low) | 45 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 31/05/2025 23:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 43 (1 Low) | n/m | 4 (1 Low) | n/m | 31/05/2025 09:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 31/05/2025 24:00: |
| High Muffles Timeseries Graph |
73 (3 Low) | 6 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 31/05/2025 24:00: |
| Hull Freetown Timeseries Graph |
63 (2 Low) | 50 (1 Low) | 4 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 31/05/2025 18:45:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 31/05/2025 21:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
69 (3 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 31/05/2025 09:00:00 |
| Leeds Centre Timeseries Graph |
72 (3 Low) | 32 (1 Low) | 3 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 31/05/2025 09:30:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 9 (1 Low) | 13 (1 Low) *1 | 31/05/2025 21:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 31/05/2025 08:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 42 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *1 | 31/05/2025 01:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 4 (1 Low) | n/m | 31/05/2025 10:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
64 (2 Low) | 17 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 31/05/2025 08:00:00 |
| Sheffield Tinsley Timeseries Graph |
61 (2 Low) | 44 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 31/05/2025 07:00:00 |
| York Bootham Timeseries Graph |
65 (2 Low) | 43 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *1 | 31/05/2025 14:00:00 |
| York Fishergate Timeseries Graph |
n/m | 23 (1 Low) | n/m | 5 (1 Low) | 16 (1 Low) *1 | 31/05/2025 10:00:00 |
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