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.
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- Pollutant levels recorded for the hour up to 2am Wed 2nd Jul 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 |
55 (2 Low) | n/m | n/m | 2 (1 Low) | 3 (1 Low) *2 | 02/07/2025 02:00:00 |
| Bush Estate Timeseries Graph |
65 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Edinburgh St Leonards Timeseries Graph |
56 (2 Low) | 5 (1 Low) | 0 (1 Low) | 2 (1 Low) | 4 (1 Low) *2 | 02/07/2025 02:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 8 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 02/07/2025 02:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Glasgow Townhead Timeseries Graph |
60 (2 Low) | 6 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 02/07/2025 02:00:00 |
| Grangemouth Timeseries Graph |
n/m | 9 (1 Low) | 2 (1 Low) | 4 (1 Low) | 4 (1 Low) *1 | 02/07/2025 02:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 02/07/2025 02:00:00 |
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 |
64 (2 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/07/2025 02:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 5 (1 Low) | n/m | 6 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Derby Stockbrook Park Timeseries Graph |
56 (2 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Ladybower Timeseries Graph |
63 (2 Low) | 4 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 8 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Leicester University Timeseries Graph |
58 (2 Low) | 15 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 6 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Northampton Spring Park Timeseries Graph |
58 (2 Low) | 4 (1 Low) | n/m | 10 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
64 (2 Low) | 5 (1 Low) | 2 (1 Low) | 6 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 5 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Tallington Timeseries Graph |
60 (2 Low) | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Toft Newton Timeseries Graph |
70 (3 Low) | 4 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
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 | 4 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 01/07/2025 24:00: |
| Luton A505 Roadside Timeseries Graph |
n/m | 6 (1 Low) | n/m | 8 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Norwich Lakenfields Timeseries Graph |
67 (3 Low) | 4 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Sibton Timeseries Graph |
93 (3 Low) | n/m | n/m | 12 (2 Low) | 19 (2 Low) *2 | 02/07/2025 02:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 16 (2 Low) | 24 (2 Low) *2 | 02/07/2025 02:00:00 |
| Southend-on-Sea Timeseries Graph |
100 (3 Low) | 2 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 02/07/2025 02:00:00 |
| St Osyth Timeseries Graph |
103 (4 Moderate) | 4 (1 Low) | n/m | 19 (2 Low) | 32 (2 Low) *2 | 02/07/2025 02:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 17 (2 Low) | 24 (2 Low) *1 | 02/07/2025 02:00:00 |
| Thurrock Timeseries Graph |
76 (3 Low) | 10 (1 Low) | 1 (1 Low) | 11 (1 Low) | 21 (2 Low) *2 | 02/07/2025 02:00:00 |
| Weybourne Timeseries Graph |
68 (3 Low) | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Wicken Fen Timeseries Graph |
44 (2 Low) | 2 (1 Low) | 1 (1 Low) | 9 (1 Low) | 17 (2 Low) *2 | 02/07/2025 02:00:00 |
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 | 4 (1 Low) | n/m | 12 (2 Low) | 26 (2 Low) *1 | 02/07/2025 02:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 44 (3 Low) *1 | 02/07/2025 02:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| London Bexley Timeseries Graph |
n/m | 5 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 02/07/2025 02:00:00 |
| London Bloomsbury Timeseries Graph |
73 (3 Low) | 9 (1 Low) | 0 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Haringey Priory Park South Timeseries Graph |
68 (3 Low) | 4 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Harlington Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 01/07/2025 22:00:00 |
| London Hillingdon Timeseries Graph |
60 (2 Low) | 5 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Honor Oak Park Timeseries Graph |
81 (3 Low) | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Marylebone Road Timeseries Graph |
53 (2 Low) | 6 (1 Low) | 2 (1 Low) | 11 (1 Low) | 22 (2 Low) *1 | 02/07/2025 02:00:00 |
| London N. Kensington Timeseries Graph |
78 (3 Low) | 4 (1 Low) | 2 (1 Low) | 7 (1 Low) | 15 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Westminster Timeseries Graph |
50 (2 Low) | 11 (1 Low) | n/m | 6 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 02/07/2025 02:00:00 |
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 |
50 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Inverness Timeseries Graph |
n/m | 4 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 02/07/2025 02:00:00 |
| Lerwick Timeseries Graph |
56 (2 Low) | n/m | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Strathvaich Timeseries Graph |
62 (2 Low) | n/m | n/m | n/m | n/m | 02/07/2025 02:00:00 |
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 |
74 (3 Low) | 0 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Kielder Water Timeseries Graph |
43 (2 Low) | n/m | n/m | 1 (1 Low) | 3 (1 Low) *2 | 02/07/2025 02:00:00 |
| Middlesbrough Timeseries Graph |
68 (3 Low) | 7 (1 Low) | 1 (1 Low) | 3 (1 Low) | 16 (1 Low) *1 | 02/07/2025 02:00:00 |
| Newcastle Centre Timeseries Graph |
60 (2 Low) | 2 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *1 | 02/07/2025 02:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 02/07/2025 02:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 6 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 12 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *1 | 02/07/2025 02:00:00 |
| Sunderland Silksworth Timeseries Graph |
65 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 2 (1 Low) | n/m | 4 (1 Low) | n/m | 02/07/2025 02:00:00 |
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 |
55 (2 Low) | 10 (1 Low) | n/m | 2 (1 Low) | 5 (1 Low) *2 | 02/07/2025 02:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
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 |
61 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Wrexham Timeseries Graph |
n/m | 2 (1 Low) | n/a | 3 (1 Low) | 7 (1 Low) *2 | 02/07/2025 02:00:00 |
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 | 4 (1 Low) | n/m | 4 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Blackburn Audley Park Timeseries Graph |
38 (2 Low) | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 02/07/2025 02:00:00 |
| Blackpool Marton Timeseries Graph |
59 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 02/07/2025 02:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 02/07/2025 02:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 2 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *1 | 02/07/2025 02:00:00 |
| Crewe Coppenhall Timeseries Graph |
52 (2 Low) | 8 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 02/07/2025 02:00:00 |
| Glazebury Timeseries Graph |
53 (2 Low) | 5 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| Liverpool Speke Timeseries Graph |
60 (2 Low) | 4 (1 Low) | 1 (1 Low) | 5 (1 Low) | 12 (1 Low) *1 | 02/07/2025 02:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
56 (2 Low) | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| Manchester Piccadilly Timeseries Graph |
43 (2 Low) | 9 (1 Low) | 1 (1 Low) | 5 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| Manchester Sharston Timeseries Graph |
46 (2 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 02/07/2025 02:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Preston Timeseries Graph |
45 (2 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 02/07/2025 02:00:00 |
| Salford Eccles Timeseries Graph |
50 (2 Low) | 3 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 02/07/2025 02:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | 8 (1 Low) *1 | 02/07/2025 02:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Warrington Timeseries Graph |
n/m | 6 (1 Low) | n/m | 3 (1 Low) | 9 (1 Low) *1 | 02/07/2025 02:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Wigan Centre Timeseries Graph |
55 (2 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| Wirral Tranmere Timeseries Graph |
59 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/07/2025 02:00:00 |
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 | 11 (1 Low) | n/m | n/m | 11 (1 Low) *1 | 02/07/2025 02:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | n/a | n/a | n/m | n/m | 27/02/2025 02:00:00 |
| Belfast Centre Timeseries Graph |
44 (2 Low) | 3 (1 Low) | n/a | 3 (1 Low) | 7 (1 Low) *2 | 02/07/2025 02:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 02/07/2025 02:00:00 |
| Derry Rosemount Timeseries Graph |
50 (2 Low) | 7 (1 Low) | 1 (1 Low) | 1 (1 Low) | 7 (1 Low) *1 | 02/07/2025 02:00:00 |
| Lough Navar Timeseries Graph |
26 (1 Low) | n/m | n/m | 2 (1 Low) | 4 (1 Low) *2 | 02/07/2025 02:00:00 |
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 | n/a | n/m | n/m | n/m | 01/07/2025 09:00:00 |
| Eskdalemuir Timeseries Graph |
54 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Peebles Timeseries Graph |
60 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
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 |
52 (2 Low) | 6 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 9 (1 Low) | 24 (2 Low) *1 | 02/07/2025 02:00:00 |
| Chilbolton Observatory Timeseries Graph |
62 (2 Low) | 3 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Eastbourne Timeseries Graph |
73 (3 Low) | 6 (1 Low) | n/m | 10 (1 Low) | 15 (1 Low) *2 | 02/07/2025 02:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Horley Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/a | n/a | 02/07/2025 02:00:00 |
| Lullington Heath Timeseries Graph |
67 (3 Low) | 7 (1 Low) | 1 (1 Low) | 9 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
59 (2 Low) | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 8 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Oxford St Ebbes Timeseries Graph |
69 (3 Low) | 4 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 02/07/2025 02:00:00 |
| Portsmouth Timeseries Graph |
57 (2 Low) | 5 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 02/07/2025 02:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Reading London Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 02/07/2025 02:00:00 |
| Reading New Town Timeseries Graph |
72 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Rochester Stoke Timeseries Graph |
98 (3 Low) | 4 (1 Low) | 1 (1 Low) | 14 (2 Low) | 23 (2 Low) *2 | 02/07/2025 02:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 02/07/2025 02:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 11 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Southampton Centre Timeseries Graph |
49 (2 Low) | 5 (1 Low) | 1 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 10 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 18 (2 Low) *2 | 02/07/2025 02:00:00 |
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 |
30 (1 Low) | 5 (1 Low) | 1 (1 Low) | 4 (1 Low) | 15 (1 Low) *1 | 02/07/2025 02:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 02/07/2025 02:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 4 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *1 | 02/07/2025 02:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
38 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Narberth Timeseries Graph |
54 (2 Low) | 1 (1 Low) | 1 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 02/07/2025 02:00:00 |
| Newport Timeseries Graph |
n/m | 6 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Port Talbot Margam Timeseries Graph |
47 (2 Low) | 1 (1 Low) | 1 (1 Low) | 4 (1 Low) | 12 (1 Low) *3 | 02/07/2025 02:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 2 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) *1 | 02/07/2025 02:00:00 |
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 | 4 (1 Low) | 8 (1 Low) *2 | 02/07/2025 02:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Bournemouth Timeseries Graph |
46 (2 Low) | 2 (1 Low) | n/m | 8 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Bristol St Paul's Timeseries Graph |
34 (2 Low) | 4 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *1 | 02/07/2025 02:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 6 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Charlton Mackrell Timeseries Graph |
39 (2 Low) | 1 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 02/07/2025 02:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | 6 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Exeter Roadside Timeseries Graph |
36 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Honiton Timeseries Graph |
34 (2 Low) | 2 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 02/07/2025 02:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 14 (1 Low) | n/m | 10 (1 Low) | n/m | 02/07/2025 01:00:00 |
| Plymouth Centre Timeseries Graph |
47 (2 Low) | 2 (1 Low) | n/m | 4 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 02/07/2025 01:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 9 (1 Low) *1 | 02/07/2025 02:00:00 |
| Swindon Walcot Timeseries Graph |
44 (2 Low) | n/a | n/m | 6 (1 Low) | 11 (1 Low) *2 | 02/07/2025 02:00:00 |
| Yarner Wood Timeseries Graph |
44 (2 Low) | 1 (1 Low) | n/m | 3 (1 Low) | 4 (1 Low) *2 | 02/07/2025 02:00:00 |
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 |
71 (3 Low) | n/m | n/m | n/m | n/m | 02/07/2025 01:00:00 |
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 |
40 (2 Low) | 20 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 02/07/2025 02:00:00 |
| Birmingham Hall Green Timeseries Graph |
54 (2 Low) | 22 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 02/07/2025 01:00:00 |
| Birmingham Ladywood Timeseries Graph |
45 (2 Low) | 12 (1 Low) | 2 (1 Low) | 9 (1 Low) | 15 (1 Low) *2 | 02/07/2025 02:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
56 (2 Low) | 10 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 7 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Coventry Allesley Timeseries Graph |
55 (2 Low) | 7 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 02/07/2025 02:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 02/07/2025 02:00:00 |
| Leamington Spa Timeseries Graph |
64 (2 Low) | 8 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 02/07/2025 02:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Leominster Timeseries Graph |
61 (2 Low) | 4 (1 Low) | n/m | n/m | n/m | 02/07/2025 02:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 02/07/2025 02:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 7 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
47 (2 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Telford Hollinswood Timeseries Graph |
62 (2 Low) | 6 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Walsall Woodlands Timeseries Graph |
n/a | n/a | n/m | n/m | n/m | 30/06/2025 20:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
50 (2 Low) | n/a | n/m | n/m | n/m | 02/07/2025 01:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
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 |
52 (2 Low) | 4 (1 Low) | 1 (1 Low) | 5 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 02/07/2025 01:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
56 (2 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 02/07/2025 02:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 4 (1 Low) | n/m | 6 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 02/07/2025 02:00:00 |
| High Muffles Timeseries Graph |
68 (3 Low) | 1 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 02/07/2025 02:00:00 |
| Hull Freetown Timeseries Graph |
69 (3 Low) | 1 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 2 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 02/07/2025 02:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
66 (2 Low) | 3 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Leeds Centre Timeseries Graph |
63 (2 Low) | 2 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 02/07/2025 02:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 5 (1 Low) | n/m | 7 (1 Low) | 20 (2 Low) *1 | 02/07/2025 02:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 02/07/2025 02:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 1 (1 Low) | 1 (1 Low) | 6 (1 Low) | 15 (1 Low) *1 | 02/07/2025 02:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | 5 (1 Low) | n/m | 02/07/2025 02:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
55 (2 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 02/07/2025 02:00:00 |
| Sheffield Tinsley Timeseries Graph |
54 (2 Low) | 3 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 02/07/2025 02:00:00 |
| York Bootham Timeseries Graph |
61 (2 Low) | 0 (1 Low) | n/m | 4 (1 Low) | 11 (1 Low) *1 | 02/07/2025 02:00:00 |
| York Fishergate Timeseries Graph |
n/m | 1 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *1 | 02/07/2025 02:00:00 |
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