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 11pm Tue 13th 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 |
91 (3 Low) | n/m | n/m | 11 (1 Low) | 15 (1 Low) *2 | 13/05/2025 05:00:00 |
| Bush Estate Timeseries Graph |
88 (3 Low) | 10 (1 Low) | n/m | n/m | n/m | 13/05/2025 21:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 13/05/2025 02:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | n/m | 13/05/2025 10:00:00 |
| Edinburgh St Leonards Timeseries Graph |
74 (3 Low) | 8 (1 Low) | 2 (1 Low) | 14 (2 Low) | 21 (2 Low) *2 | 13/05/2025 12:45:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 13/05/2025 10:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 15 (1 Low) | n/m | 12 (2 Low) | 19 (2 Low) *2 | 13/05/2025 05:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 68 (2 Low) | n/m | n/m | n/m | 13/05/2025 19:00:00 |
| Glasgow Townhead Timeseries Graph |
n/a | 15 (1 Low) | n/m | 15 (2 Low) | 27 (2 Low) *2 | 13/05/2025 06:00:00 |
| Grangemouth Timeseries Graph |
n/m | 23 (1 Low) | 4 (1 Low) | 14 (2 Low) | 25 (2 Low) *1 | 13/05/2025 11:45:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 13/05/2025 15:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 13/05/2025 08:00:00 |
East Midlands
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Chesterfield Loundsley Green Timeseries Graph |
110 (4 Moderate) | 13 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 13/05/2025 02:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 26 (1 Low) | n/m | 13 (2 Low) | 26 (2 Low) *2 | 13/05/2025 02:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | 11 (1 Low) | n/m | 13/05/2025 02:00:00 |
| Derby Stockbrook Park Timeseries Graph |
102 (4 Moderate) | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 13/05/2025 02:00:00 |
| Ladybower Timeseries Graph |
118 (4 Moderate) | 9 (1 Low) | 8 (1 Low) | 10 (1 Low) | 17 (2 Low) *2 | 13/05/2025 19:00:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 02:00:00 |
| Leicester University Timeseries Graph |
121 (5 Moderate) | 36 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 13/05/2025 03:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 13/05/2025 16:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 21 (2 Low) *2 | 13/05/2025 01:00:00 |
| Northampton Spring Park Timeseries Graph |
111 (4 Moderate) | 13 (1 Low) | n/m | 11 (1 Low) | n/m | 13/05/2025 01:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 19 (2 Low) *2 | 13/05/2025 01:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
111 (4 Moderate) | 11 (1 Low) | 4 (1 Low) | 11 (1 Low) | 20 (2 Low) *2 | 13/05/2025 11:00:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 34 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 13/05/2025 01:00:00 |
| Tallington Timeseries Graph |
113 (4 Moderate) | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 13/05/2025 01:00:00 |
| Toft Newton Timeseries Graph |
122 (5 Moderate) | 7 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 13/05/2025 01:00:00 |
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 | 14 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 03:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 12/05/2025 22:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 9 (1 Low) | n/m | 13/05/2025 20:00:00 |
| Norwich Lakenfields Timeseries Graph |
103 (4 Moderate) | 18 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 13/05/2025 01:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 19 (2 Low) *2 | 13/05/2025 23:00:00 |
| Sibton Timeseries Graph |
106 (4 Moderate) | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 03:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 20 (2 Low) *2 | 13/05/2025 22:00:00 |
| Southend-on-Sea Timeseries Graph |
106 (4 Moderate) | 25 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 13/05/2025 22:00:00 |
| St Osyth Timeseries Graph |
121 (5 Moderate) | 20 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 13/05/2025 17:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | 15 (2 Low) | 17 (2 Low) *1 | 13/05/2025 19:00:00 |
| Thurrock Timeseries Graph |
115 (4 Moderate) | 48 (1 Low) | 5 (1 Low) | 13 (2 Low) | 22 (2 Low) *2 | 13/05/2025 16:30:00 |
| Weybourne Timeseries Graph |
97 (3 Low) | n/m | n/m | 10 (1 Low) | 17 (2 Low) *2 | 13/05/2025 19:00:00 |
| Wicken Fen Timeseries Graph |
104 (4 Moderate) | 9 (1 Low) | n/a | 9 (1 Low) | 26 (2 Low) *2 | 30/04/2025 02:00:00 |
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 | 58 (1 Low) | n/m | 16 (2 Low) | 38 (3 Low) *1 | 13/05/2025 04:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 39 (3 Low) *1 | 13/05/2025 04:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 13/05/2025 09:00:00 |
| London Bexley Timeseries Graph |
n/m | 75 (2 Low) | n/m | 12 (2 Low) | 24 (2 Low) *2 | 13/05/2025 22:00:00 |
| London Bloomsbury Timeseries Graph |
100 (3 Low) | 50 (1 Low) | 4 (1 Low) | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 11:45:00 |
| London Haringey Priory Park South Timeseries Graph |
120 (4 Moderate) | 32 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 01:00:00 |
| London Harlington Timeseries Graph |
116 (4 Moderate) | 56 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 22:00:00 |
| London Hillingdon Timeseries Graph |
95 (3 Low) | 77 (2 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 13/05/2025 23:00:00 |
| London Honor Oak Park Timeseries Graph |
120 (4 Moderate) | n/m | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 23:00:00 |
| London Marylebone Road Timeseries Graph |
79 (3 Low) | 40 (1 Low) | 6 (1 Low) | 12 (2 Low) | 28 (2 Low) *1 | 13/05/2025 12:30:00 |
| London N. Kensington Timeseries Graph |
119 (4 Moderate) | 45 (1 Low) | 9 (1 Low) | 9 (1 Low) | 17 (2 Low) *2 | 13/05/2025 15:45:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 23:00:00 |
| London Westminster Timeseries Graph |
95 (3 Low) | 46 (1 Low) | n/m | 9 (1 Low) | n/m | 13/05/2025 23:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 58 (1 Low) | n/m | n/m | 33 (2 Low) *1 | 13/05/2025 02:00:00 |
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 |
92 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 12/05/2025 24:00: |
| Inverness Timeseries Graph |
n/m | 22 (1 Low) | n/m | 14 (2 Low) | 21 (2 Low) *2 | 13/05/2025 10:00:00 |
| Lerwick Timeseries Graph |
106 (4 Moderate) | n/m | n/m | n/m | n/m | 12/05/2025 24:00: |
| Strathvaich Timeseries Graph |
102 (4 Moderate) | n/m | n/m | n/m | n/m | 12/05/2025 24:00: |
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 |
91 (3 Low) | 7 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 13/05/2025 01:00:00 |
| Kielder Water Timeseries Graph |
90 (3 Low) | n/m | n/m | 8 (1 Low) | 12 (1 Low) *2 | 13/05/2025 03:00:00 |
| Middlesbrough Timeseries Graph |
79 (3 Low) | 31 (1 Low) | 3 (1 Low) | 11 (1 Low) | 36 (3 Low) *1 | 13/05/2025 12:00:00 |
| Newcastle Centre Timeseries Graph |
89 (3 Low) | 25 (1 Low) | n/m | 14 (2 Low) | 30 (2 Low) *1 | 13/05/2025 02:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 19 (1 Low) | n/m | 13 (2 Low) | 22 (2 Low) *2 | 13/05/2025 01:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 14 (2 Low) | n/m | 13/05/2025 01:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 28 (1 Low) | n/m | 15 (2 Low) | 40 (3 Low) *1 | 13/05/2025 09:00:00 |
| Sunderland Silksworth Timeseries Graph |
81 (3 Low) | 18 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 13/05/2025 01:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 5 (1 Low) | n/m | 12 (2 Low) | n/m | 13/05/2025 01:00:00 |
North East Scotland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aberdeen Erroll Park Timeseries Graph |
98 (3 Low) | 24 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 13/05/2025 04:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 57 (1 Low) | n/m | n/m | n/m | 13/05/2025 17:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 13/05/2025 09:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 13/05/2025 02:00:00 |
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 |
112 (4 Moderate) | 8 (1 Low) | n/m | n/m | n/m | 13/05/2025 22:00:00 |
| Wrexham Timeseries Graph |
n/m | 32 (1 Low) | 6 (1 Low) | 11 (1 Low) | 18 (2 Low) *2 | 13/05/2025 17:45:00 |
North West & Merseyside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Birkenhead Borough Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | 12 (2 Low) | n/m | 13/05/2025 03:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 13/05/2025 09:00:00 |
| Blackburn Audley Park Timeseries Graph |
105 (4 Moderate) | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 13/05/2025 01:00:00 |
| Blackpool Marton Timeseries Graph |
112 (4 Moderate) | 9 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 02:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 13/05/2025 02:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 13/05/2025 22:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 9 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *1 | 13/05/2025 06:00:00 |
| Crewe Coppenhall Timeseries Graph |
112 (4 Moderate) | 11 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 04:00:00 |
| Glazebury Timeseries Graph |
117 (4 Moderate) | 13 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 01:00:00 |
| Liverpool Speke Timeseries Graph |
109 (4 Moderate) | 28 (1 Low) | 5 (1 Low) | 13 (2 Low) | 26 (2 Low) *1 | 12/05/2025 23:15:00 |
| Liverpool Thirlmere Park Timeseries Graph |
111 (4 Moderate) | n/m | n/m | 11 (1 Low) | 22 (2 Low) *2 | 13/05/2025 03:00:00 |
| Manchester Piccadilly Timeseries Graph |
99 (3 Low) | 25 (1 Low) | 3 (1 Low) | 11 (1 Low) | 24 (2 Low) *2 | 12/05/2025 23:15:00 |
| Manchester Sharston Timeseries Graph |
98 (3 Low) | 13 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 13/05/2025 04:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 13/05/2025 04:00:00 |
| Preston Timeseries Graph |
107 (4 Moderate) | 13 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 01:00:00 |
| Salford Eccles Timeseries Graph |
120 (4 Moderate) | 24 (1 Low) | n/m | 13 (2 Low) | 30 (2 Low) *2 | 13/05/2025 01:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 13/05/2025 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 13/05/2025 09:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 13/05/2025 02:00:00 |
| Warrington Timeseries Graph |
n/m | 20 (1 Low) | n/m | 10 (1 Low) | 27 (2 Low) *1 | 13/05/2025 02:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 13/05/2025 17:00:00 |
| Wigan Centre Timeseries Graph |
104 (4 Moderate) | 19 (1 Low) | n/m | 11 (1 Low) | 47 (3 Low) *2 | 13/05/2025 01:00:00 |
| Wirral Tranmere Timeseries Graph |
111 (4 Moderate) | 41 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 13/05/2025 03:00:00 |
Northern Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Armagh Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 13/05/2025 08:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | n/m | 13/05/2025 23:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | n/a | n/a | n/m | n/m | 26/02/2025 10:15:00 |
| Belfast Centre Timeseries Graph |
66 (2 Low) | 58 (1 Low) | 3 (1 Low) | 14 (2 Low) | 32 (2 Low) *2 | 13/05/2025 16:45:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 76 (2 Low) | n/m | n/m | 32 (2 Low) *1 | 13/05/2025 08:00:00 |
| Derry Rosemount Timeseries Graph |
94 (3 Low) | 15 (1 Low) | 3 (1 Low) | 7 (1 Low) | 18 (2 Low) *1 | 13/05/2025 18:45:00 |
| Lough Navar Timeseries Graph |
47 (2 Low) | n/m | n/m | n/a | n/a | 13/05/2025 01:00:00 |
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 | 56 (1 Low) | n/m | n/m | n/m | 13/05/2025 09:00:00 |
| Eskdalemuir Timeseries Graph |
109 (4 Moderate) | 3 (1 Low) | n/m | n/m | n/m | 13/05/2025 20:00:00 |
| Peebles Timeseries Graph |
112 (4 Moderate) | 4 (1 Low) | n/m | n/m | n/m | 13/05/2025 20:00:00 |
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 |
92 (3 Low) | 29 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 13/05/2025 23:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 11 (1 Low) | 29 (2 Low) *1 | 13/05/2025 23:00:00 |
| Chilbolton Observatory Timeseries Graph |
98 (3 Low) | 14 (1 Low) | 1 (1 Low) | 7 (1 Low) | 11 (1 Low) *2 | 13/05/2025 10:45:00 |
| Eastbourne Timeseries Graph |
98 (3 Low) | 29 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 13/05/2025 23:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *2 | 13/05/2025 23:00:00 |
| Horley Timeseries Graph |
n/m | 20 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 13/05/2025 23:00:00 |
| Lullington Heath Timeseries Graph |
102 (4 Moderate) | 23 (1 Low) | 2 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 13/05/2025 16:00:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 13/05/2025 23:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
125 (5 Moderate) | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 13/05/2025 22:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 12/05/2025 24:00: |
| Oxford St Ebbes Timeseries Graph |
117 (4 Moderate) | 29 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 13/05/2025 23:00:00 |
| Portsmouth Timeseries Graph |
104 (4 Moderate) | 32 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 13/05/2025 01:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 13/05/2025 23:00:00 |
| Reading London Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 12/05/2025 24:00: |
| Reading New Town Timeseries Graph |
108 (4 Moderate) | 51 (1 Low) | n/m | 8 (1 Low) | 14 (1 Low) *2 | 13/05/2025 23:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 13/05/2025 23:00:00 |
| Rochester Stoke Timeseries Graph |
109 (4 Moderate) | 28 (1 Low) | 5 (1 Low) | 14 (2 Low) | 21 (2 Low) *2 | 13/05/2025 15:45:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 28 (2 Low) *2 | 13/05/2025 22:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 92 (2 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 13/05/2025 06:00:00 |
| Southampton Centre Timeseries Graph |
93 (3 Low) | 43 (1 Low) | 6 (1 Low) | 7 (1 Low) | 12 (1 Low) *2 | 13/05/2025 20:45:00 |
| Storrington Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 13/05/2025 03:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 8 (1 Low) | n/m | 13/05/2025 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 15 (1 Low) *2 | 13/05/2025 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 |
91 (3 Low) | 32 (1 Low) | 3 (1 Low) | 9 (1 Low) | 17 (2 Low) *1 | 12/05/2025 24:15: |
| Cardiff Newport Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | 21 (2 Low) *1 | 13/05/2025 19:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 45 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *1 | 13/05/2025 20:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
98 (3 Low) | 24 (1 Low) | n/m | n/m | n/m | 13/05/2025 20:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 13/05/2025 08:00:00 |
| Narberth Timeseries Graph |
97 (3 Low) | 7 (1 Low) | 1 (1 Low) | 6 (1 Low) | 9 (1 Low) *2 | 13/05/2025 10:30:00 |
| Newport Timeseries Graph |
n/m | 29 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 23:00:00 |
| Port Talbot Margam Timeseries Graph |
98 (3 Low) | 13 (1 Low) | 2 (1 Low) | 7 (1 Low) | 14 (1 Low) *3 | 13/05/2025 13:45:00 |
| Swansea Roadside Timeseries Graph |
n/m | 52 (1 Low) | n/m | 11 (1 Low) | 18 (2 Low) *1 | 13/05/2025 01:00:00 |
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 | 9 (1 Low) | 12 (1 Low) *2 | 13/05/2025 01:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 44 (1 Low) | n/m | n/m | n/m | 13/05/2025 18:00:00 |
| Bournemouth Timeseries Graph |
n/a | n/a | n/m | n/a | n/m | 02/04/2025 09:00:00 |
| Bristol St Paul's Timeseries Graph |
89 (3 Low) | 66 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *1 | 13/05/2025 23:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 62 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 23:00:00 |
| Charlton Mackrell Timeseries Graph |
96 (3 Low) | 15 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 13/05/2025 01:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 13/05/2025 23:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 7 (1 Low) | n/m | 13/05/2025 01:00:00 |
| Exeter Roadside Timeseries Graph |
85 (3 Low) | 42 (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 |
94 (3 Low) | 7 (1 Low) | n/m | 10 (1 Low) | 12 (1 Low) *2 | 13/05/2025 01:00:00 |
| Plymouth Centre Timeseries Graph |
71 (3 Low) | 23 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *2 | 13/05/2025 01:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 13/05/2025 22:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 13 (1 Low) *1 | 13/05/2025 01:00:00 |
| Swindon Walcot Timeseries Graph |
106 (4 Moderate) | 25 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 13/05/2025 23:00:00 |
| Yarner Wood Timeseries Graph |
101 (4 Moderate) | 4 (1 Low) | n/m | 7 (1 Low) | 9 (1 Low) *2 | 13/05/2025 01:00:00 |
West Ireland
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Mace Head Timeseries Graph |
112 (4 Moderate) | n/m | n/m | n/m | n/m | 13/05/2025 18:00:00 |
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 |
106 (4 Moderate) | 61 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 13/05/2025 01:00:00 |
| Birmingham Hall Green Timeseries Graph |
115 (4 Moderate) | 33 (1 Low) | n/m | 10 (1 Low) | 25 (2 Low) *2 | 13/05/2025 04:00:00 |
| Birmingham Ladywood Timeseries Graph |
105 (4 Moderate) | 59 (1 Low) | 2 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 13/05/2025 11:45:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
111 (4 Moderate) | 21 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 13/05/2025 01:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 10 (1 Low) | n/m | 13/05/2025 01:00:00 |
| Coventry Allesley Timeseries Graph |
108 (4 Moderate) | 33 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 01:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 44 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 01:00:00 |
| Leamington Spa Timeseries Graph |
119 (4 Moderate) | 17 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 13/05/2025 02:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 20 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 02:00:00 |
| Leominster Timeseries Graph |
112 (4 Moderate) | 16 (1 Low) | n/m | n/m | n/m | 13/05/2025 22:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 55 (1 Low) | n/m | n/m | n/m | 12/05/2025 24:00: |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 13/05/2025 05:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 13/05/2025 04:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
107 (4 Moderate) | 11 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *2 | 13/05/2025 04:00:00 |
| Telford Hollinswood Timeseries Graph |
116 (4 Moderate) | 42 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 13/05/2025 05:00:00 |
| Walsall Woodlands Timeseries Graph |
115 (4 Moderate) | 36 (1 Low) | n/m | n/m | n/m | 13/05/2025 22:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
107 (4 Moderate) | 38 (1 Low) | n/m | n/m | n/m | 13/05/2025 22:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 13/05/2025 08:00:00 |
Yorkshire & Humberside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Barnsley Gawber Timeseries Graph |
104 (4 Moderate) | 20 (1 Low) | 3 (1 Low) | 15 (2 Low) | 34 (3 Low) *2 | 13/05/2025 20:30:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 13/05/2025 13:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 20 (2 Low) | 34 (3 Low) *2 | 13/05/2025 01:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
99 (3 Low) | 14 (1 Low) | n/m | 13 (2 Low) | 25 (2 Low) *2 | 13/05/2025 01:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 47 (1 Low) | n/m | 14 (2 Low) | n/m | 13/05/2025 01:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 18 (2 Low) *2 | 13/05/2025 01:00:00 |
| High Muffles Timeseries Graph |
101 (4 Moderate) | 3 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 13/05/2025 01:00:00 |
| Hull Freetown Timeseries Graph |
94 (3 Low) | 16 (1 Low) | 7 (1 Low) | 20 (2 Low) | 33 (2 Low) *2 | 13/05/2025 04:30:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | 13 (2 Low) | 22 (2 Low) *2 | 13/05/2025 01:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
94 (3 Low) | 40 (1 Low) | n/m | 12 (2 Low) | 24 (2 Low) *2 | 13/05/2025 01:00:00 |
| Leeds Centre Timeseries Graph |
100 (3 Low) | 11 (1 Low) | 3 (1 Low) | 13 (2 Low) | 21 (2 Low) *2 | 13/05/2025 16:15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 15 (2 Low) | 28 (2 Low) *1 | 13/05/2025 01:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | 25 (2 Low) *2 | 13/05/2025 04:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 11 (1 Low) | 6 (1 Low) | 14 (2 Low) | 38 (3 Low) *1 | 13/05/2025 16:15:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 49 (1 Low) | n/m | 15 (2 Low) | n/m | 13/05/2025 01:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
105 (4 Moderate) | 28 (1 Low) | n/m | 14 (2 Low) | 24 (2 Low) *2 | 13/05/2025 01:00:00 |
| Sheffield Tinsley Timeseries Graph |
99 (3 Low) | 24 (1 Low) | n/m | 13 (2 Low) | 24 (2 Low) *2 | 13/05/2025 01:00:00 |
| York Bootham Timeseries Graph |
94 (3 Low) | 17 (1 Low) | n/m | 14 (2 Low) | 23 (2 Low) *1 | 13/05/2025 01:00:00 |
| York Fishergate Timeseries Graph |
n/m | 49 (1 Low) | n/m | 12 (2 Low) | 30 (2 Low) *1 | 13/05/2025 01:00:00 |
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