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 9pm Tue 13th May 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 |
90 (3 Low) | n/m | n/m | 9 (1 Low) | 12 (1 Low) *2 | 13/05/2025 21:00:00 |
| Bush Estate Timeseries Graph |
88 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 3 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 4 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Edinburgh St Leonards Timeseries Graph |
72 (3 Low) | 4 (1 Low) | 2 (1 Low) | 11 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 6 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Glasgow Townhead Timeseries Graph |
n/a | 5 (1 Low) | n/m | 12 (2 Low) | 20 (2 Low) *2 | 13/05/2025 21:00:00 |
| Grangemouth Timeseries Graph |
n/m | 9 (1 Low) | 1 (1 Low) | 13 (2 Low) | 18 (2 Low) *1 | 13/05/2025 21:00:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 13/05/2025 20:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
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 |
110 (4 Moderate) | 4 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 13/05/2025 21:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 9 (1 Low) | 23 (2 Low) *2 | 13/05/2025 21:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 21 (1 Low) | n/m | 8 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Derby Stockbrook Park Timeseries Graph |
102 (4 Moderate) | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Ladybower Timeseries Graph |
118 (4 Moderate) | 5 (1 Low) | 6 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Leicester University Timeseries Graph |
116 (4 Moderate) | 7 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 13/05/2025 19:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 21:00:00 |
| Northampton Spring Park Timeseries Graph |
111 (4 Moderate) | 3 (1 Low) | n/m | 10 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
111 (4 Moderate) | 5 (1 Low) | 1 (1 Low) | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 21:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 6 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *2 | 13/05/2025 21:00:00 |
| Tallington Timeseries Graph |
112 (4 Moderate) | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 13/05/2025 21:00:00 |
| Toft Newton Timeseries Graph |
121 (5 Moderate) | 4 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
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 | 7 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 9 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Norwich Lakenfields Timeseries Graph |
102 (4 Moderate) | 8 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 13/05/2025 21:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Sibton Timeseries Graph |
105 (4 Moderate) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 13/05/2025 21:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 20 (2 Low) *2 | 13/05/2025 21:00:00 |
| Southend-on-Sea Timeseries Graph |
106 (4 Moderate) | 9 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 13/05/2025 21:00:00 |
| St Osyth Timeseries Graph |
121 (5 Moderate) | 8 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 13/05/2025 21:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | 15 (2 Low) | n/a | 13/05/2025 21:00:00 |
| Thurrock Timeseries Graph |
114 (4 Moderate) | 12 (1 Low) | 2 (1 Low) | 13 (2 Low) | 22 (2 Low) *2 | 13/05/2025 21:00:00 |
| Weybourne Timeseries Graph |
97 (3 Low) | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 13/05/2025 21:00:00 |
| Wicken Fen Timeseries Graph |
103 (4 Moderate) | 4 (1 Low) | n/a | 8 (1 Low) | 26 (2 Low) *2 | 13/05/2025 21:00:00 |
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 | 39 (1 Low) | n/m | 14 (2 Low) | 38 (3 Low) *1 | 13/05/2025 21:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 33 (2 Low) *1 | 13/05/2025 21:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| London Bexley Timeseries Graph |
n/m | 48 (1 Low) | n/m | 12 (2 Low) | 24 (2 Low) *2 | 13/05/2025 21:00:00 |
| London Bloomsbury Timeseries Graph |
100 (3 Low) | 20 (1 Low) | 3 (1 Low) | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 21:00:00 |
| London Haringey Priory Park South Timeseries Graph |
120 (4 Moderate) | 9 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| London Harlington Timeseries Graph |
116 (4 Moderate) | 18 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 22:00:00 |
| London Hillingdon Timeseries Graph |
95 (3 Low) | 30 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| London Honor Oak Park Timeseries Graph |
120 (4 Moderate) | n/m | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| London Marylebone Road Timeseries Graph |
79 (3 Low) | 34 (1 Low) | 2 (1 Low) | 11 (1 Low) | 26 (2 Low) *1 | 13/05/2025 21:00:00 |
| London N. Kensington Timeseries Graph |
119 (4 Moderate) | 11 (1 Low) | 2 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| London Westminster Timeseries Graph |
95 (3 Low) | 16 (1 Low) | n/m | 9 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | n/m | 33 (2 Low) *1 | 13/05/2025 21:00:00 |
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 |
87 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Inverness Timeseries Graph |
n/m | 3 (1 Low) | n/m | 13 (2 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Lerwick Timeseries Graph |
93 (3 Low) | n/m | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Strathvaich Timeseries Graph |
n/a | n/m | n/m | n/m | n/m | 13/05/2025 11:00:00 |
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 |
82 (3 Low) | 5 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Kielder Water Timeseries Graph |
n/a | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 13/05/2025 20:00:00 |
| Middlesbrough Timeseries Graph |
76 (3 Low) | 12 (1 Low) | 1 (1 Low) | 7 (1 Low) | 26 (2 Low) *1 | 13/05/2025 21:00:00 |
| Newcastle Centre Timeseries Graph |
87 (3 Low) | 14 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *1 | 13/05/2025 21:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 10 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 13 (1 Low) | n/m | 12 (2 Low) | 31 (2 Low) *1 | 13/05/2025 21:00:00 |
| Sunderland Silksworth Timeseries Graph |
78 (3 Low) | 9 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 3 (1 Low) | n/m | 10 (1 Low) | n/m | 13/05/2025 21:00:00 |
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 |
96 (3 Low) | 4 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 13/05/2025 21:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 1 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
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 |
111 (4 Moderate) | 5 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Wrexham Timeseries Graph |
n/m | 19 (1 Low) | 5 (1 Low) | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
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 | 14 (1 Low) | n/m | 8 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Blackburn Audley Park Timeseries Graph |
100 (3 Low) | n/m | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Blackpool Marton Timeseries Graph |
103 (4 Moderate) | 5 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) *2 | 13/05/2025 21:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 13/05/2025 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 5 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *1 | 13/05/2025 21:00:00 |
| Crewe Coppenhall Timeseries Graph |
112 (4 Moderate) | 5 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Glazebury Timeseries Graph |
n/a | n/a | n/m | n/a | n/a | 13/05/2025 19:00:00 |
| Liverpool Speke Timeseries Graph |
107 (4 Moderate) | 12 (1 Low) | 2 (1 Low) | 11 (1 Low) | 25 (2 Low) *1 | 13/05/2025 21:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
110 (4 Moderate) | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 21:00:00 |
| Manchester Piccadilly Timeseries Graph |
96 (3 Low) | 18 (1 Low) | 2 (1 Low) | 9 (1 Low) | 21 (2 Low) *2 | 13/05/2025 21:00:00 |
| Manchester Sharston Timeseries Graph |
98 (3 Low) | 7 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Preston Timeseries Graph |
100 (3 Low) | n/a | n/m | 6 (1 Low) | 14 (1 Low) *2 | 13/05/2025 21:00:00 |
| Salford Eccles Timeseries Graph |
n/a | 11 (1 Low) | n/m | n/a | n/a | 13/05/2025 21:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 13/05/2025 21:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Warrington Timeseries Graph |
n/m | 8 (1 Low) | n/m | 7 (1 Low) | 23 (2 Low) *1 | 13/05/2025 21:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Wigan Centre Timeseries Graph |
99 (3 Low) | 11 (1 Low) | n/m | 9 (1 Low) | 43 (3 Low) *2 | 13/05/2025 21:00:00 |
| Wirral Tranmere Timeseries Graph |
110 (4 Moderate) | n/a | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
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 | 8 (1 Low) | n/m | n/m | 18 (2 Low) *1 | 13/05/2025 21:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | n/a | n/a | n/m | n/m | 27/02/2025 09:00:00 |
| Belfast Centre Timeseries Graph |
66 (2 Low) | 16 (1 Low) | 1 (1 Low) | 10 (1 Low) | 26 (2 Low) *2 | 13/05/2025 21:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 13/05/2025 21:00:00 |
| Derry Rosemount Timeseries Graph |
91 (3 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 16 (1 Low) *1 | 13/05/2025 21:00:00 |
| Lough Navar Timeseries Graph |
n/a | n/m | n/m | n/a | n/a | 13/05/2025 11:00:00 |
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 | 13/05/2025 19:00:00 |
| Eskdalemuir Timeseries Graph |
108 (4 Moderate) | 2 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Peebles Timeseries Graph |
109 (4 Moderate) | 3 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
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 |
88 (3 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 13/05/2025 21:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 8 (1 Low) | n/m | 10 (1 Low) | 28 (2 Low) *1 | 13/05/2025 21:00:00 |
| Chilbolton Observatory Timeseries Graph |
87 (3 Low) | 14 (1 Low) | 1 (1 Low) | 7 (1 Low) | 10 (1 Low) *2 | 13/05/2025 21:00:00 |
| Eastbourne Timeseries Graph |
98 (3 Low) | 13 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 13/05/2025 21:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 13/05/2025 21:00:00 |
| Horley Timeseries Graph |
n/m | 4 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 13/05/2025 21:00:00 |
| Lullington Heath Timeseries Graph |
102 (4 Moderate) | 10 (1 Low) | 2 (1 Low) | 6 (1 Low) | 8 (1 Low) *2 | 13/05/2025 21:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
125 (5 Moderate) | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Oxford St Ebbes Timeseries Graph |
117 (4 Moderate) | 9 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 13/05/2025 21:00:00 |
| Portsmouth Timeseries Graph |
104 (4 Moderate) | 12 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 13/05/2025 21:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 13 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *2 | 13/05/2025 21:00:00 |
| Reading London Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 13/05/2025 21:00:00 |
| Reading New Town Timeseries Graph |
108 (4 Moderate) | 15 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 13/05/2025 21:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Rochester Stoke Timeseries Graph |
107 (4 Moderate) | 5 (1 Low) | 2 (1 Low) | 14 (2 Low) | 21 (2 Low) *2 | 13/05/2025 21:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 27 (2 Low) *2 | 13/05/2025 21:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 92 (2 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 13/05/2025 21:00:00 |
| Southampton Centre Timeseries Graph |
91 (3 Low) | 40 (1 Low) | 6 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 13/05/2025 21:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 14 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 13/05/2025 21:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 7 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 14 (1 Low) *2 | 13/05/2025 21:00:00 |
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 |
87 (3 Low) | 21 (1 Low) | 1 (1 Low) | 8 (1 Low) | 16 (1 Low) *1 | 13/05/2025 21:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | 20 (2 Low) *1 | 13/05/2025 21:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 25 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *1 | 13/05/2025 21:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
94 (3 Low) | 24 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 13/05/2025 20:00:00 |
| Narberth Timeseries Graph |
99 (3 Low) | 4 (1 Low) | n/a | 4 (1 Low) | 7 (1 Low) *2 | 13/05/2025 21:00:00 |
| Newport Timeseries Graph |
n/m | 24 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Port Talbot Margam Timeseries Graph |
94 (3 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *3 | 13/05/2025 21:00:00 |
| Swansea Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *1 | 13/05/2025 21:00:00 |
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 | 6 (1 Low) | 11 (1 Low) *2 | 13/05/2025 21:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Bournemouth Timeseries Graph |
n/a | n/a | n/m | n/a | n/m | 02/04/2025 16:00:00 |
| Bristol St Paul's Timeseries Graph |
76 (3 Low) | 54 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *1 | 13/05/2025 21:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 59 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Charlton Mackrell Timeseries Graph |
90 (3 Low) | 11 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 13/05/2025 21:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | 6 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Exeter Roadside Timeseries Graph |
85 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Honiton Timeseries Graph |
93 (3 Low) | 2 (1 Low) | n/m | 6 (1 Low) | 8 (1 Low) *2 | 13/05/2025 21:00:00 |
| Plymouth Centre Timeseries Graph |
70 (3 Low) | 6 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 13/05/2025 21:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 13/05/2025 20:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 11 (1 Low) *1 | 13/05/2025 21:00:00 |
| Swindon Walcot Timeseries Graph |
106 (4 Moderate) | 11 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Yarner Wood Timeseries Graph |
102 (4 Moderate) | 4 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 13/05/2025 21:00:00 |
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 |
107 (4 Moderate) | n/m | n/m | n/m | n/m | 13/05/2025 21:00:00 |
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 |
106 (4 Moderate) | 12 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *2 | 13/05/2025 21:00:00 |
| Birmingham Hall Green Timeseries Graph |
115 (4 Moderate) | 10 (1 Low) | n/m | 9 (1 Low) | 25 (2 Low) *2 | 13/05/2025 21:00:00 |
| Birmingham Ladywood Timeseries Graph |
105 (4 Moderate) | 9 (1 Low) | 1 (1 Low) | 8 (1 Low) | 19 (2 Low) *2 | 13/05/2025 21:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
111 (4 Moderate) | 7 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 10 (1 Low) | n/m | 7 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Coventry Allesley Timeseries Graph |
108 (4 Moderate) | 4 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Leamington Spa Timeseries Graph |
119 (4 Moderate) | 8 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Leominster Timeseries Graph |
112 (4 Moderate) | 7 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 7 (1 Low) | 20 (2 Low) *2 | 13/05/2025 21:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
107 (4 Moderate) | 7 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| Telford Hollinswood Timeseries Graph |
116 (4 Moderate) | 8 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 13/05/2025 21:00:00 |
| Walsall Woodlands Timeseries Graph |
114 (4 Moderate) | 7 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
106 (4 Moderate) | n/a | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
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 |
104 (4 Moderate) | n/a | 3 (1 Low) | 12 (2 Low) | 31 (2 Low) *2 | 13/05/2025 21:00:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 13/05/2025 20:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 21:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
99 (3 Low) | 9 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 13/05/2025 21:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 15 (1 Low) | n/m | 10 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 13/05/2025 21:00:00 |
| High Muffles Timeseries Graph |
99 (3 Low) | 2 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 13/05/2025 21:00:00 |
| Hull Freetown Timeseries Graph |
94 (3 Low) | 5 (1 Low) | 3 (1 Low) | 18 (2 Low) | 31 (2 Low) *2 | 13/05/2025 21:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 8 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 13/05/2025 21:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
92 (3 Low) | 12 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 13/05/2025 21:00:00 |
| Leeds Centre Timeseries Graph |
100 (3 Low) | 8 (1 Low) | 3 (1 Low) | 9 (1 Low) | 16 (1 Low) *2 | 13/05/2025 21:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *1 | 13/05/2025 21:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 25 (2 Low) *2 | 13/05/2025 21:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 9 (1 Low) | 1 (1 Low) | 12 (2 Low) | 34 (3 Low) *1 | 13/05/2025 21:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 11 (1 Low) | n/m | 13/05/2025 21:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
104 (4 Moderate) | 16 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 13/05/2025 21:00:00 |
| Sheffield Tinsley Timeseries Graph |
99 (3 Low) | 11 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 13/05/2025 21:00:00 |
| York Bootham Timeseries Graph |
93 (3 Low) | 4 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *1 | 13/05/2025 21:00:00 |
| York Fishergate Timeseries Graph |
n/m | 5 (1 Low) | n/m | 9 (1 Low) | 29 (2 Low) *1 | 13/05/2025 21:00:00 |
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