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 midday Thu 23rd Jul 2026
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 |
66 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 23/07/2026 02:00:00 |
| Bush Estate Timeseries Graph |
70 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 22/07/2026 16:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 23/07/2026 09:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 23/07/2026 09:00:00 |
| Edinburgh St Leonards Timeseries Graph |
62 (2 Low) | 14 (1 Low) | 2 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 23/07/2026 02:30:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 21 (1 Low) | n/m | n/m | n/m | 22/07/2026 18:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 23 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 23/07/2026 01:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 22/07/2026 17:00:00 |
| Glasgow Townhead Timeseries Graph |
66 (2 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 23/07/2026 01:00:00 |
| Grangemouth Timeseries Graph |
n/m | 3 (1 Low) | 3 (1 Low) | n/a | 8 (1 Low) *1 | 22/07/2026 21:30:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 23/07/2026 09:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 23/07/2026 11:00:00 |
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 |
72 (3 Low) | 9 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 23/07/2026 06:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 21 (1 Low) | n/m | 14 (2 Low) | 54 (4 Moderate) *2 | 23/07/2026 06:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 55 (1 Low) | n/m | 9 (1 Low) | n/m | 23/07/2026 08:00:00 |
| Derby Stockbrook Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 8 (1 Low) | 17 (2 Low) *2 | 23/07/2026 04:00:00 |
| Ladybower Timeseries Graph |
81 (3 Low) | 7 (1 Low) | 1 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 23/07/2026 10:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *2 | 23/07/2026 11:00:00 |
| Leicester University Timeseries Graph |
80 (3 Low) | 24 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 23/07/2026 11:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 62 (1 Low) | n/m | n/m | n/m | 22/07/2026 18:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 23/07/2026 08:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 23/07/2026 08:00:00 |
| Northampton Spring Park Timeseries Graph |
84 (3 Low) | 19 (1 Low) | n/m | 12 (2 Low) | n/m | 23/07/2026 12:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 19 (2 Low) *2 | 23/07/2026 09:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
73 (3 Low) | 20 (1 Low) | 1 (1 Low) | 9 (1 Low) | 21 (2 Low) *2 | 23/07/2026 11:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 35 (1 Low) | n/m | 9 (1 Low) | 22 (2 Low) *2 | 23/07/2026 09:00:00 |
| Tallington Timeseries Graph |
76 (3 Low) | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 23/07/2026 12:00:00 |
| Toft Newton Timeseries Graph |
77 (3 Low) | 8 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 23/07/2026 07:00:00 |
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 | 32 (1 Low) | n/m | 7 (1 Low) | 17 (2 Low) *2 | 23/07/2026 01:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 18 (2 Low) *2 | 23/07/2026 12:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 20/07/2026 07:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 62 (1 Low) | n/m | 9 (1 Low) | n/m | 23/07/2026 12:00:00 |
| Norwich Lakenfields Timeseries Graph |
59 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 23/07/2026 12:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 17 (2 Low) *2 | 23/07/2026 12:00:00 |
| Sibton Timeseries Graph |
65 (2 Low) | n/m | n/m | 5 (1 Low) | 14 (1 Low) *2 | 23/07/2026 12:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 23/07/2026 12:00:00 |
| Southend-on-Sea Timeseries Graph |
75 (3 Low) | 19 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 23/07/2026 12:00:00 |
| St Osyth Timeseries Graph |
81 (3 Low) | 9 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) *2 | 23/07/2026 12:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *1 | 23/07/2026 12:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 23/07/2026 12:00:00 |
| Thurrock Timeseries Graph |
88 (3 Low) | 60 (1 Low) | 3 (1 Low) | 7 (1 Low) | 18 (2 Low) *2 | 23/07/2026 07:30:00 |
| Weybourne Timeseries Graph |
59 (2 Low) | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 23/07/2026 11:00:00 |
| Wicken Fen Timeseries Graph |
66 (2 Low) | 9 (1 Low) | 3 (1 Low) | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 13:45:00 |
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 | 35 (1 Low) | n/m | 15 (2 Low) | 35 (3 Low) *1 | 23/07/2026 02:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 79 (7 High) *1 | 23/07/2026 11:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 23/07/2026 06:00:00 |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 23/07/2026 01:00:00 |
| London Bexley Timeseries Graph |
n/m | 32 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 23/07/2026 01:00:00 |
| London Bloomsbury Timeseries Graph |
94 (3 Low) | 48 (1 Low) | 2 (1 Low) | 8 (1 Low) | 19 (2 Low) *2 | 22/07/2026 12:15:00 |
| London Farringdon Street Timeseries Graph |
n/m | 40 (1 Low) | n/m | 10 (1 Low) | n/m | 23/07/2026 10:00:00 |
| London Haringey Priory Park South Timeseries Graph |
98 (3 Low) | 23 (1 Low) | n/m | 7 (1 Low) | 18 (2 Low) *2 | 23/07/2026 03:00:00 |
| London Harlington Timeseries Graph |
104 (4 Moderate) | 33 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 23/07/2026 01:00:00 |
| London Hillingdon Timeseries Graph |
106 (4 Moderate) | 51 (1 Low) | n/m | 10 (1 Low) | 23 (2 Low) *2 | 23/07/2026 01:00:00 |
| London Honor Oak Park Timeseries Graph |
121 (5 Moderate) | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 23/07/2026 10:00:00 |
| London Marylebone Road Timeseries Graph |
n/a | 48 (1 Low) | 2 (1 Low) | n/a | n/a | 23/07/2026 11:45:00 |
| London N. Kensington Timeseries Graph |
119 (4 Moderate) | 26 (1 Low) | 2 (1 Low) | 9 (1 Low) | 22 (2 Low) *2 | 22/07/2026 12:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 16 (1 Low) *2 | 23/07/2026 09:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 18 (2 Low) *2 | 23/07/2026 01:00:00 |
| London Westminster Timeseries Graph |
104 (4 Moderate) | 24 (1 Low) | n/m | n/m | n/m | 22/07/2026 20:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 52 (1 Low) | n/m | n/m | n/a | 22/07/2026 17:00:00 |
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 |
62 (2 Low) | 9 (1 Low) | n/m | n/m | n/m | 23/07/2026 12:00:00 |
| Inverness Timeseries Graph |
n/m | 11 (1 Low) | n/m | 2 (1 Low) | 4 (1 Low) *2 | 23/07/2026 01:00:00 |
| Lerwick Timeseries Graph |
76 (3 Low) | n/m | n/m | n/m | n/m | 22/07/2026 20:00:00 |
| Strathvaich Timeseries Graph |
67 (3 Low) | n/m | n/m | n/m | n/m | 23/07/2026 12:00:00 |
North East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Darlington Firthmoor Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 12 (1 Low) *2 | 23/07/2026 12:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
61 (2 Low) | 10 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 23/07/2026 01:00:00 |
| Kielder Water Timeseries Graph |
56 (2 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 23/07/2026 10:00:00 |
| Middlesbrough Timeseries Graph |
58 (2 Low) | 25 (1 Low) | 2 (1 Low) | 3 (1 Low) | 19 (2 Low) *1 | 22/07/2026 17:30:00 |
| Newcastle Centre Timeseries Graph |
56 (2 Low) | 22 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *1 | 23/07/2026 04:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | n/a | n/m | n/a | n/a | 10/07/2026 10:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 23/07/2026 12:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 17 (2 Low) *2 | 23/07/2026 12:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | 7 (1 Low) | n/m | 23/07/2026 12:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 22 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *1 | 23/07/2026 08:00:00 |
| Sunderland Silksworth Timeseries Graph |
65 (2 Low) | 29 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 23/07/2026 12:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 23 (1 Low) | n/m | 4 (1 Low) | n/m | 23/07/2026 12:00:00 |
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 |
55 (2 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 23/07/2026 01:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 22/07/2026 23:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 5 (1 Low) | n/m | n/m | n/m | 23/07/2026 05:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 23/07/2026 09:00:00 |
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 |
88 (3 Low) | 6 (1 Low) | n/m | n/m | n/m | 22/07/2026 22:00:00 |
| Wrexham Timeseries Graph |
n/m | 25 (1 Low) | 3 (1 Low) | 8 (1 Low) | 14 (1 Low) *2 | 22/07/2026 18:15:00 |
North West & Merseyside
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Birkenhead Borough Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | 8 (1 Low) | n/m | 23/07/2026 06:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 22/07/2026 18:00:00 |
| Blackburn Audley Park Timeseries Graph |
69 (3 Low) | n/m | n/m | 7 (1 Low) | 14 (1 Low) *2 | 23/07/2026 06:00:00 |
| Blackpool Marton Timeseries Graph |
70 (3 Low) | 3 (1 Low) | n/m | 7 (1 Low) | 12 (1 Low) *2 | 23/07/2026 06:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 23/07/2026 05:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 23/07/2026 10:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 9 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *1 | 23/07/2026 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
75 (3 Low) | 18 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 23/07/2026 09:00:00 |
| Glazebury Timeseries Graph |
75 (3 Low) | 19 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 23/07/2026 06:00:00 |
| Liverpool Speke Timeseries Graph |
71 (3 Low) | 14 (1 Low) | 2 (1 Low) | 9 (1 Low) | 19 (2 Low) *1 | 22/07/2026 21:45:00 |
| Liverpool Thirlmere Park Timeseries Graph |
70 (3 Low) | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 23/07/2026 01:00:00 |
| Manchester Piccadilly Timeseries Graph |
58 (2 Low) | 19 (1 Low) | 2 (1 Low) | 11 (1 Low) | 24 (2 Low) *2 | 22/07/2026 15:00:00 |
| Manchester Sharston Timeseries Graph |
73 (3 Low) | 30 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 23/07/2026 08:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | n/m | 23/07/2026 08:00:00 |
| Preston Timeseries Graph |
65 (2 Low) | 15 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 23/07/2026 07:00:00 |
| Salford Eccles Timeseries Graph |
72 (3 Low) | 21 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 23/07/2026 07:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 23/07/2026 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 19 (1 Low) | n/m | n/m | 17 (2 Low) *1 | 22/07/2026 17:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 23/07/2026 09:00:00 |
| Warrington Timeseries Graph |
n/m | n/a | n/m | 5 (1 Low) | 17 (2 Low) *1 | 23/07/2026 09:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | n/m | 22/07/2026 17:00:00 |
| Wigan Centre Timeseries Graph |
68 (3 Low) | 11 (1 Low) | n/m | 8 (1 Low) | 18 (2 Low) *2 | 23/07/2026 05:00:00 |
| Wirral Tranmere Timeseries Graph |
76 (3 Low) | 6 (1 Low) | n/m | 9 (1 Low) | 14 (1 Low) *2 | 23/07/2026 11:00:00 |
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 | 42 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 23/07/2026 07:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 23/07/2026 07:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 3 (1 Low) | 4 (1 Low) | n/m | n/m | 22/07/2026 21:15:00 |
| Belfast Centre Timeseries Graph |
58 (2 Low) | 13 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 22/07/2026 13:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 42 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 23/07/2026 10:00:00 |
| Derry Rosemount Timeseries Graph |
63 (2 Low) | 6 (1 Low) | 2 (1 Low) | 4 (1 Low) | 14 (1 Low) *1 | 22/07/2026 13:30:00 |
| Lough Navar Timeseries Graph |
54 (2 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 23/07/2026 04:00:00 |
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 | 20 (1 Low) | n/m | n/m | n/m | 22/07/2026 15:00:00 |
| Eskdalemuir Timeseries Graph |
63 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 22/07/2026 19:00:00 |
| Peebles Timeseries Graph |
67 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 22/07/2026 18:00:00 |
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 |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 23/07/2026 01:00:00 |
| Brighton Preston Park Timeseries Graph |
86 (3 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 23/07/2026 01:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | 3 (1 Low) | 18 (2 Low) *1 | 23/07/2026 03:00:00 |
| Chilbolton Observatory Timeseries Graph |
104 (4 Moderate) | 10 (1 Low) | 3 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 23/07/2026 12:00:00 |
| Eastbourne Timeseries Graph |
90 (3 Low) | 14 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 23/07/2026 10:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 23/07/2026 01:00:00 |
| Horley Timeseries Graph |
n/m | 25 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 23/07/2026 01:00:00 |
| Lullington Heath Timeseries Graph |
102 (4 Moderate) | 7 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 23/07/2026 05:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 21 (2 Low) *2 | 23/07/2026 10:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
88 (3 Low) | n/m | n/m | 8 (1 Low) | 20 (2 Low) *2 | 23/07/2026 12:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 23/07/2026 07:00:00 |
| Oxford St Ebbes Timeseries Graph |
98 (3 Low) | 39 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 23/07/2026 02:00:00 |
| Portsmouth Timeseries Graph |
104 (4 Moderate) | 35 (1 Low) | n/m | 9 (1 Low) | 25 (2 Low) *2 | 23/07/2026 02:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 23/07/2026 07:00:00 |
| Reading London Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 22/07/2026 22:00:00 |
| Reading New Town Timeseries Graph |
97 (3 Low) | 18 (1 Low) | n/m | 8 (1 Low) | 16 (1 Low) *2 | 23/07/2026 01:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | n/m | 23/07/2026 01:00:00 |
| Rochester Stoke Timeseries Graph |
88 (3 Low) | 30 (1 Low) | 2 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 23/07/2026 08:45:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 23 (2 Low) *2 | 23/07/2026 01:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 59 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 23/07/2026 05:00:00 |
| Southampton Centre Timeseries Graph |
94 (3 Low) | 33 (1 Low) | 5 (1 Low) | 10 (1 Low) | 20 (2 Low) *2 | 23/07/2026 11:45:00 |
| Storrington Roadside Timeseries Graph |
n/m | 31 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 23/07/2026 01:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 9 (1 Low) | n/m | 23/07/2026 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 23/07/2026 01:00:00 |
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 |
67 (3 Low) | 16 (1 Low) | 2 (1 Low) | 19 (2 Low) | 25 (2 Low) *1 | 22/07/2026 18:00:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | 37 (3 Low) *1 | 22/07/2026 16:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 32 (1 Low) | n/m | 10 (1 Low) | 18 (2 Low) *1 | 23/07/2026 06:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
93 (3 Low) | 13 (1 Low) | n/m | n/m | n/m | 22/07/2026 21:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | n/m | n/m | 22/07/2026 22:00:00 |
| Narberth Timeseries Graph |
74 (3 Low) | n/a | 2 (1 Low) | 8 (1 Low) | 13 (1 Low) *2 | 22/07/2026 21:15:00 |
| Newport Timeseries Graph |
n/m | 24 (1 Low) | n/m | 25 (3 Low) | 35 (3 Low) *2 | 23/07/2026 09:00:00 |
| Port Talbot Margam Timeseries Graph |
75 (3 Low) | 29 (1 Low) | 2 (1 Low) | 11 (1 Low) | 30 (2 Low) *3 | 22/07/2026 21:30:00 |
| Swansea Roadside Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/a | n/a | 20/07/2026 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 | 11 (1 Low) | 19 (2 Low) *2 | 23/07/2026 10:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 22/07/2026 14:00:00 |
| Bournemouth Timeseries Graph |
101 (4 Moderate) | 13 (1 Low) | n/m | 10 (1 Low) | n/m | 23/07/2026 07:00:00 |
| Bournemouth Bourne Valley Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 23/07/2026 08:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 15 (2 Low) | n/m | 23/07/2026 11:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 22 (2 Low) *2 | 23/07/2026 10:00:00 |
| Bristol St Paul's Timeseries Graph |
89 (3 Low) | 21 (1 Low) | n/m | 11 (1 Low) | 25 (2 Low) *1 | 23/07/2026 11:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 52 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *2 | 23/07/2026 10:00:00 |
| Charlton Mackrell Timeseries Graph |
101 (4 Moderate) | 14 (1 Low) | n/m | 16 (2 Low) | 26 (2 Low) *2 | 23/07/2026 12:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | n/m | 23/07/2026 11:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | 9 (1 Low) | n/m | 23/07/2026 06:00:00 |
| Exeter Roadside Timeseries Graph |
90 (3 Low) | 37 (1 Low) | n/m | n/m | n/m | 22/07/2026 20:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 21 (2 Low) *2 | 23/07/2026 12:00:00 |
| Honiton Timeseries Graph |
98 (3 Low) | 15 (1 Low) | n/m | 13 (2 Low) | 21 (2 Low) *2 | 23/07/2026 11:00:00 |
| Plymouth Centre Timeseries Graph |
70 (3 Low) | 26 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 23/07/2026 12:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 23/07/2026 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 19 (2 Low) *1 | 23/07/2026 12:00:00 |
| Swindon Walcot Timeseries Graph |
99 (3 Low) | 25 (1 Low) | n/m | 9 (1 Low) | 21 (2 Low) *2 | 23/07/2026 02:00:00 |
| Yarner Wood Timeseries Graph |
97 (3 Low) | 7 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 23/07/2026 12:00:00 |
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 |
74 (3 Low) | n/m | n/m | n/m | n/m | 22/07/2026 12:00:00 |
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 |
| Bedworth Collycroft Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 22 (2 Low) *2 | 23/07/2026 12:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
66 (2 Low) | 45 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 23/07/2026 08:00:00 |
| Birmingham Hall Green Timeseries Graph |
86 (3 Low) | 38 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 23/07/2026 08:00:00 |
| Birmingham Ladywood Timeseries Graph |
68 (3 Low) | 24 (1 Low) | 2 (1 Low) | 9 (1 Low) | 17 (2 Low) *2 | 22/07/2026 15:15:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 17 (2 Low) *2 | 23/07/2026 01:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
76 (3 Low) | 28 (1 Low) | n/m | 8 (1 Low) | 15 (1 Low) *2 | 23/07/2026 09:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 17 (1 Low) | n/m | 10 (1 Low) | n/m | 23/07/2026 11:00:00 |
| Coventry Allesley Timeseries Graph |
83 (3 Low) | 25 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 23/07/2026 12:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 35 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 23/07/2026 12:00:00 |
| Leamington Spa Timeseries Graph |
94 (3 Low) | 27 (1 Low) | n/m | 9 (1 Low) | 20 (2 Low) *2 | 23/07/2026 12:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 10 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 23/07/2026 12:00:00 |
| Leominster Timeseries Graph |
98 (3 Low) | 16 (1 Low) | n/m | n/m | n/m | 22/07/2026 21:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 39 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 23/07/2026 07:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 23/07/2026 09:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 23/07/2026 12:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
63 (2 Low) | 27 (1 Low) | n/m | 10 (1 Low) | 20 (2 Low) *2 | 23/07/2026 12:00:00 |
| Telford Hollinswood Timeseries Graph |
92 (3 Low) | 17 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 23/07/2026 03:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 19 (2 Low) *2 | 23/07/2026 11:00:00 |
| Walsall Woodlands Timeseries Graph |
77 (3 Low) | 13 (1 Low) | n/m | n/m | n/m | 22/07/2026 23:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
71 (3 Low) | 17 (1 Low) | n/m | n/m | n/m | 22/07/2026 23:00:00 |
| Wolverhampton East Park Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 23/07/2026 08:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 18 (2 Low) *2 | 23/07/2026 07:00:00 |
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 |
73 (3 Low) | 4 (1 Low) | 1 (1 Low) | 7 (1 Low) | 16 (1 Low) *2 | 22/07/2026 12:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 22/07/2026 16:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 7 (1 Low) | 15 (1 Low) *2 | 23/07/2026 01:00:00 |
| Bradford West Park Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 21 (2 Low) *2 | 23/07/2026 02:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
69 (3 Low) | 9 (1 Low) | n/m | 7 (1 Low) | 15 (1 Low) *2 | 23/07/2026 02:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 47 (1 Low) | n/m | 9 (1 Low) | n/m | 23/07/2026 04:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 11 (1 Low) *2 | 23/07/2026 07:00:00 |
| High Muffles Timeseries Graph |
60 (2 Low) | 5 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 22/07/2026 12:00:00 |
| Hull Freetown Timeseries Graph |
60 (2 Low) | 32 (1 Low) | 2 (1 Low) | 5 (1 Low) | 15 (1 Low) *2 | 23/07/2026 11:45:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | 6 (1 Low) | 14 (1 Low) *2 | 23/07/2026 12:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
66 (2 Low) | 32 (1 Low) | n/m | 5 (1 Low) | 13 (1 Low) *2 | 23/07/2026 09:00:00 |
| Leeds Centre Timeseries Graph |
66 (2 Low) | 14 (1 Low) | 2 (1 Low) | 7 (1 Low) | 13 (1 Low) *2 | 22/07/2026 18:00:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 22 (1 Low) | n/m | 8 (1 Low) | n/a | 23/07/2026 01:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 19 (2 Low) *2 | 23/07/2026 04:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 22 (1 Low) | 17 (1 Low) | 8 (1 Low) | 21 (2 Low) *1 | 22/07/2026 17:45:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/a | n/m | 21/07/2026 06:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
72 (3 Low) | 11 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 23/07/2026 04:00:00 |
| Sheffield Tinsley Timeseries Graph |
71 (3 Low) | 19 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 23/07/2026 01:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 18 (2 Low) *2 | 23/07/2026 01:00:00 |
| York Bootham Timeseries Graph |
63 (2 Low) | 11 (1 Low) | n/m | 5 (1 Low) | 14 (1 Low) *1 | 23/07/2026 12:00:00 |
| York Fishergate Timeseries Graph |
n/m | 24 (1 Low) | n/m | 5 (1 Low) | 17 (2 Low) *1 | 23/07/2026 09:00:00 |
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