Latest measured levels based on data provided by the 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
- Pollutant levels recorded for the hour up to 6pm Mon 23rd Jun 2025
Central Scotland
| Latest measured levels based on data provided by the 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 |
63 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 23/06/2025 18:00:00 |
| Bush Estate Timeseries Graph |
66 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Edinburgh St Leonards Timeseries Graph |
54 (2 Low) | 6 (1 Low) | 1 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 9 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Glasgow Townhead Timeseries Graph |
59 (2 Low) | 8 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Grangemouth Timeseries Graph |
n/m | 5 (1 Low) | 2 (1 Low) | 4 (1 Low) | 6 (1 Low) *1 | 23/06/2025 18:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
East Midlands
| Latest measured levels based on data provided by the 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 |
63 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 13 (1 Low) | n/m | 3 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Derby Stockbrook Park Timeseries Graph |
61 (2 Low) | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Ladybower Timeseries Graph |
71 (3 Low) | 2 (1 Low) | 1 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Leicester University Timeseries Graph |
63 (2 Low) | 8 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Northampton Spring Park Timeseries Graph |
69 (3 Low) | 3 (1 Low) | n/m | 5 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
64 (2 Low) | 5 (1 Low) | 2 (1 Low) | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 20 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Tallington Timeseries Graph |
72 (3 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Toft Newton Timeseries Graph |
76 (3 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
Eastern
| Latest measured levels based on data provided by the 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 | 2 (1 Low) | n/m | n/a | n/a | 23/06/2025 18:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 4 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Norwich Lakenfields Timeseries Graph |
68 (3 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Sibton Timeseries Graph |
62 (2 Low) | n/m | n/m | 3 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| Southend-on-Sea Timeseries Graph |
78 (3 Low) | n/a | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| St Osyth Timeseries Graph |
85 (3 Low) | 1 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *1 | 23/06/2025 18:00:00 |
| Thurrock Timeseries Graph |
81 (3 Low) | 14 (1 Low) | 3 (1 Low) | 5 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Weybourne Timeseries Graph |
63 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Wicken Fen Timeseries Graph |
n/a | 1 (1 Low) | 5 (1 Low) | n/a | n/a | 23/06/2025 18:00:00 |
Greater London
| Latest measured levels based on data provided by the 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 | 10 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *1 | 23/06/2025 18:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 61 (5 Moderate) *1 | 23/06/2025 18:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 17/06/2025 09:00:00 |
| London Bexley Timeseries Graph |
n/m | 5 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Bloomsbury Timeseries Graph |
75 (3 Low) | 10 (1 Low) | 1 (1 Low) | 4 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Haringey Priory Park South Timeseries Graph |
80 (3 Low) | 1 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Harlington Timeseries Graph |
80 (3 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Hillingdon Timeseries Graph |
73 (3 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Honor Oak Park Timeseries Graph |
84 (3 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Marylebone Road Timeseries Graph |
43 (2 Low) | 53 (1 Low) | 5 (1 Low) | 6 (1 Low) | 20 (2 Low) *1 | 23/06/2025 18:00:00 |
| London N. Kensington Timeseries Graph |
83 (3 Low) | 3 (1 Low) | 2 (1 Low) | 4 (1 Low) | 14 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Westminster Timeseries Graph |
63 (2 Low) | 9 (1 Low) | n/m | 4 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/a | 23/06/2025 18:00:00 |
Highland
| Latest measured levels based on data provided by the 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 |
n/a | 8 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Inverness Timeseries Graph |
n/m | 7 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 23/06/2025 18:00:00 |
| Lerwick Timeseries Graph |
72 (3 Low) | n/m | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Strathvaich Timeseries Graph |
69 (3 Low) | n/m | n/m | n/m | n/m | 23/06/2025 18:00:00 |
North East
| Latest measured levels based on data provided by the 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 |
n/a | 4 (1 Low) | n/m | n/a | n/a | 23/06/2025 18:00:00 |
| Kielder Water Timeseries Graph |
55 (2 Low) | n/m | n/m | 2 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Middlesbrough Timeseries Graph |
57 (2 Low) | 5 (1 Low) | 2 (1 Low) | 1 (1 Low) | 7 (1 Low) *1 | 23/06/2025 18:00:00 |
| Newcastle Centre Timeseries Graph |
58 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *1 | 23/06/2025 18:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | 3 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 1 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 23/06/2025 18:00:00 |
| Sunderland Silksworth Timeseries Graph |
58 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | n/m | 23/06/2025 18:00:00 |
North East Scotland
| Latest measured levels based on data provided by the 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 |
66 (2 Low) | 2 (1 Low) | n/m | 1 (1 Low) | 4 (1 Low) *2 | 23/06/2025 18:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
North Wales
| Latest measured levels based on data provided by the 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 |
67 (3 Low) | n/a | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Wrexham Timeseries Graph |
n/m | 2 (1 Low) | 2 (1 Low) | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
North West & Merseyside
| Latest measured levels based on data provided by the 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 | 8 (1 Low) | n/m | 4 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Blackburn Audley Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 4 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| Blackpool Marton Timeseries Graph |
67 (3 Low) | 2 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 23/06/2025 18:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 2 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *1 | 23/06/2025 18:00:00 |
| Crewe Coppenhall Timeseries Graph |
67 (3 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Glazebury Timeseries Graph |
67 (3 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Liverpool Speke Timeseries Graph |
70 (3 Low) | 4 (1 Low) | 1 (1 Low) | 6 (1 Low) | 13 (1 Low) *1 | 23/06/2025 18:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
68 (3 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Manchester Piccadilly Timeseries Graph |
62 (2 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 13 (1 Low) *2 | 23/06/2025 18:00:00 |
| Manchester Sharston Timeseries Graph |
63 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Preston Timeseries Graph |
63 (2 Low) | 7 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Salford Eccles Timeseries Graph |
65 (2 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 23/06/2025 18:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 23/06/2025 18:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Warrington Timeseries Graph |
n/m | 2 (1 Low) | n/m | 2 (1 Low) | 12 (1 Low) *1 | 23/06/2025 18:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Wigan Centre Timeseries Graph |
65 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *2 | 23/06/2025 18:00:00 |
| Wirral Tranmere Timeseries Graph |
67 (3 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
Northern Ireland
| Latest measured levels based on data provided by the 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 | 20 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 23/06/2025 18:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | n/a | n/a | n/m | n/m | 27/02/2025 02:00:00 |
| Belfast Centre Timeseries Graph |
50 (2 Low) | 6 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 23/06/2025 18:00:00 |
| Derry Rosemount Timeseries Graph |
61 (2 Low) | 5 (1 Low) | 1 (1 Low) | 2 (1 Low) | 9 (1 Low) *1 | 23/06/2025 18:00:00 |
| Lough Navar Timeseries Graph |
54 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
Scottish Borders
| Latest measured levels based on data provided by the 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 | 23/06/2025 18:00:00 |
| Eskdalemuir Timeseries Graph |
60 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Peebles Timeseries Graph |
63 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
South East
| Latest measured levels based on data provided by the 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 |
65 (2 Low) | 2 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 23/06/2025 18:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 3 (1 Low) | 16 (1 Low) *1 | 23/06/2025 18:00:00 |
| Chilbolton Observatory Timeseries Graph |
82 (3 Low) | 1 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Eastbourne Timeseries Graph |
74 (3 Low) | 2 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Horley Timeseries Graph |
n/m | 3 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Lullington Heath Timeseries Graph |
82 (3 Low) | 0 (1 Low) | 1 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 23/06/2025 14:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
74 (3 Low) | n/m | n/m | 3 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Oxford St Ebbes Timeseries Graph |
71 (3 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Portsmouth Timeseries Graph |
74 (3 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | n/a | n/m | 6 (1 Low) | 13 (1 Low) *2 | 23/06/2025 18:00:00 |
| Reading London Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 23/06/2025 18:00:00 |
| Reading New Town Timeseries Graph |
71 (3 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Rochester Stoke Timeseries Graph |
89 (3 Low) | 2 (1 Low) | 2 (1 Low) | 5 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 11 (1 Low) *2 | 23/06/2025 18:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 23 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Southampton Centre Timeseries Graph |
68 (3 Low) | 7 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 23/06/2025 18:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 8 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | n/a | n/a | 21/06/2025 01:00:00 |
South Wales
| Latest measured levels based on data provided by the 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 |
66 (2 Low) | 3 (1 Low) | 1 (1 Low) | 5 (1 Low) | 14 (1 Low) *1 | 23/06/2025 18:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 23/06/2025 18:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 19 (1 Low) | n/m | 4 (1 Low) | 13 (1 Low) *1 | 23/06/2025 18:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
72 (3 Low) | 2 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 23/06/2025 17:00:00 |
| Narberth Timeseries Graph |
n/a | n/a | n/a | 5 (1 Low) | 10 (1 Low) *2 | 23/06/2025 17:00:00 |
| Newport Timeseries Graph |
n/m | 3 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Port Talbot Margam Timeseries Graph |
70 (3 Low) | 3 (1 Low) | 1 (1 Low) | 5 (1 Low) | 17 (2 Low) *3 | 23/06/2025 18:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 23/06/2025 18:00:00 |
South West
| Latest measured levels based on data provided by the 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) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Bournemouth Timeseries Graph |
74 (3 Low) | 2 (1 Low) | n/m | 6 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Bristol St Paul's Timeseries Graph |
69 (3 Low) | 2 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *1 | 23/06/2025 18:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 7 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| Charlton Mackrell Timeseries Graph |
76 (3 Low) | 1 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 1 (1 Low) | n/m | 5 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Exeter Roadside Timeseries Graph |
62 (2 Low) | 6 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Honiton Timeseries Graph |
67 (3 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 17 (1 Low) | n/m | 5 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Plymouth Centre Timeseries Graph |
68 (3 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 23/06/2025 18:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 23/06/2025 17:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 15 (1 Low) *1 | 23/06/2025 18:00:00 |
| Swindon Walcot Timeseries Graph |
69 (3 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Yarner Wood Timeseries Graph |
70 (3 Low) | 1 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
West Ireland
| Latest measured levels based on data provided by the 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 |
67 (3 Low) | n/m | n/m | n/m | n/m | 23/06/2025 18:00:00 |
West Midlands
| Latest measured levels based on data provided by the 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 |
57 (2 Low) | 16 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Birmingham Hall Green Timeseries Graph |
72 (3 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Birmingham Ladywood Timeseries Graph |
62 (2 Low) | 6 (1 Low) | 1 (1 Low) | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
64 (2 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 3 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Coventry Allesley Timeseries Graph |
64 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Leamington Spa Timeseries Graph |
71 (3 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/06/2025 18:00:00 |
| Leominster Timeseries Graph |
68 (3 Low) | 1 (1 Low) | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 16 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
60 (2 Low) | 7 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Telford Hollinswood Timeseries Graph |
69 (3 Low) | 5 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Walsall Woodlands Timeseries Graph |
69 (3 Low) | n/a | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
60 (2 Low) | n/a | n/m | n/m | n/m | 23/06/2025 18:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
Yorkshire & Humberside
| Latest measured levels based on data provided by the 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 |
51 (2 Low) | 4 (1 Low) | 1 (1 Low) | 3 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 23/06/2025 17:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
62 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 7 (1 Low) | n/m | 4 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| High Muffles Timeseries Graph |
58 (2 Low) | 1 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 23/06/2025 18:00:00 |
| Hull Freetown Timeseries Graph |
57 (2 Low) | 9 (1 Low) | 2 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 23/06/2025 18:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) *2 | 23/06/2025 18:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 23/06/2025 15:00:00 |
| Leeds Centre Timeseries Graph |
59 (2 Low) | 7 (1 Low) | 3 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *1 | 23/06/2025 18:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 8 (1 Low) *2 | 23/06/2025 18:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 8 (1 Low) | 0 (1 Low) | 7 (1 Low) | 14 (1 Low) *1 | 23/06/2025 18:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | 3 (1 Low) | n/m | 23/06/2025 18:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
62 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 23/06/2025 18:00:00 |
| Sheffield Tinsley Timeseries Graph |
56 (2 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 23/06/2025 18:00:00 |
| York Bootham Timeseries Graph |
50 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *1 | 23/06/2025 18:00:00 |
| York Fishergate Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | 14 (1 Low) *1 | 23/06/2025 18:00:00 |
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