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 10am Wed 24th Jun 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 |
82 (3 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/06/2026 01:00:00 |
| Bush Estate Timeseries Graph |
87 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 23/06/2026 19:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 11 (1 Low) | n/m | n/m | n/m | 24/06/2026 09:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | 32 (1 Low) | n/m | n/m | n/m | 24/06/2026 09:00:00 |
| Edinburgh St Leonards Timeseries Graph |
87 (3 Low) | 26 (1 Low) | 2 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 23/06/2026 11:30:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | n/m | 23/06/2026 21:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 11 (1 Low) | n/m | 7 (1 Low) | 14 (1 Low) *2 | 24/06/2026 01:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | n/m | 23/06/2026 11:00:00 |
| Glasgow Townhead Timeseries Graph |
88 (3 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 24/06/2026 01:00:00 |
| Grangemouth Timeseries Graph |
n/m | 18 (1 Low) | 2 (1 Low) | 6 (1 Low) | 13 (1 Low) *1 | 23/06/2026 19:15:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 16 (1 Low) | n/m | n/m | n/m | 23/06/2026 10:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 24 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 24/06/2026 01:00:00 |
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 |
47 (2 Low) | 7 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 12 (2 Low) | 24 (2 Low) *2 | 24/06/2026 10:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 47 (1 Low) | n/m | 13 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Derby Stockbrook Park Timeseries Graph |
121 (5 Moderate) | n/m | n/m | 11 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Ladybower Timeseries Graph |
132 (5 Moderate) | 10 (1 Low) | 9 (1 Low) | 10 (1 Low) | 19 (2 Low) *2 | 23/06/2026 10:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 70 (2 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Leicester University Timeseries Graph |
121 (5 Moderate) | 35 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 24/06/2026 10:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 75 (2 Low) | n/m | n/m | n/m | 24/06/2026 08:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 28 (2 Low) *2 | 24/06/2026 10:00:00 |
| Northampton Spring Park Timeseries Graph |
124 (5 Moderate) | 25 (1 Low) | n/m | 17 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
121 (5 Moderate) | 15 (1 Low) | 1 (1 Low) | 15 (2 Low) | 27 (2 Low) *2 | 24/06/2026 02:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 35 (1 Low) | n/m | 14 (2 Low) | 31 (2 Low) *2 | 24/06/2026 10:00:00 |
| Tallington Timeseries Graph |
134 (5 Moderate) | n/m | n/m | 10 (1 Low) | 21 (2 Low) *2 | 24/06/2026 10:00:00 |
| Toft Newton Timeseries Graph |
120 (4 Moderate) | 11 (1 Low) | n/m | 10 (1 Low) | 21 (2 Low) *2 | 24/06/2026 08:00:00 |
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 | 24 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Cambridge King's Hedges Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| Cambridge Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 23/06/2026 15:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 55 (1 Low) | n/m | 14 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Norwich Lakenfields Timeseries Graph |
102 (4 Moderate) | 16 (1 Low) | n/m | 11 (1 Low) | 16 (1 Low) *2 | 24/06/2026 10:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| Sibton Timeseries Graph |
99 (3 Low) | n/m | n/m | 13 (2 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 23 (2 Low) | 30 (2 Low) *2 | 24/06/2026 10:00:00 |
| Southend-on-Sea Timeseries Graph |
101 (4 Moderate) | 28 (1 Low) | n/m | 24 (3 Low) | 33 (2 Low) *2 | 24/06/2026 10:00:00 |
| St Osyth Timeseries Graph |
113 (4 Moderate) | 24 (1 Low) | n/m | 23 (2 Low) | 30 (2 Low) *2 | 24/06/2026 10:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | 34 (3 Low) | 29 (2 Low) *1 | 24/06/2026 10:00:00 |
| Stevenage St Georges Way South Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 22/06/2026 22:00:00 |
| Thurrock Timeseries Graph |
93 (3 Low) | 43 (1 Low) | 2 (1 Low) | 25 (3 Low) | 35 (3 Low) *2 | 24/06/2026 06:00:00 |
| Weybourne Timeseries Graph |
104 (4 Moderate) | n/m | n/m | 12 (2 Low) | 19 (2 Low) *2 | 24/06/2026 10:00:00 |
| Wicken Fen Timeseries Graph |
119 (4 Moderate) | 14 (1 Low) | 2 (1 Low) | 12 (2 Low) | 21 (2 Low) *2 | 24/06/2026 06:30:00 |
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 | 50 (1 Low) | n/m | 18 (2 Low) | 34 (3 Low) *1 | 24/06/2026 10:00:00 |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 36 (3 Low) *1 | 24/06/2026 10:00:00 |
| Haringey Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 23/06/2026 24:00: |
| London A406 N Circular Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | n/m | 24/06/2026 10:00:00 |
| London Bexley Timeseries Graph |
n/m | 61 (1 Low) | n/m | 22 (2 Low) | 34 (3 Low) *2 | 24/06/2026 10:00:00 |
| London Bloomsbury Timeseries Graph |
94 (3 Low) | 48 (1 Low) | 2 (1 Low) | 15 (2 Low) | 25 (2 Low) *2 | 23/06/2026 10:15:00 |
| London Farringdon Street Timeseries Graph |
n/m | 61 (1 Low) | n/m | 22 (2 Low) | n/m | 24/06/2026 10:00:00 |
| London Haringey Priory Park South Timeseries Graph |
97 (3 Low) | 37 (1 Low) | n/m | 13 (2 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| London Harlington Timeseries Graph |
102 (4 Moderate) | 43 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| London Hillingdon Timeseries Graph |
84 (3 Low) | 80 (2 Low) | n/m | 14 (2 Low) | 28 (2 Low) *2 | 24/06/2026 10:00:00 |
| London Honor Oak Park Timeseries Graph |
111 (4 Moderate) | n/m | n/m | 20 (2 Low) | 29 (2 Low) *2 | 24/06/2026 10:00:00 |
| London Marylebone Road Timeseries Graph |
63 (2 Low) | 89 (2 Low) | 20 (1 Low) | 18 (2 Low) | 33 (2 Low) *1 | 23/06/2026 16:00:00 |
| London N. Kensington Timeseries Graph |
104 (4 Moderate) | 37 (1 Low) | 2 (1 Low) | 14 (2 Low) | 23 (2 Low) *2 | 23/06/2026 10:15:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 19 (2 Low) | 29 (2 Low) *2 | 24/06/2026 10:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 17 (2 Low) | 28 (2 Low) *2 | 24/06/2026 10:00:00 |
| London Westminster Timeseries Graph |
101 (4 Moderate) | 49 (1 Low) | n/m | n/m | n/m | 23/06/2026 20:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 67 (1 Low) | n/m | n/m | 36 (3 Low) *1 | 23/06/2026 24:00: |
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) | 8 (1 Low) | n/m | n/m | n/m | 23/06/2026 18:00:00 |
| Inverness Timeseries Graph |
n/m | 14 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 24/06/2026 01:00:00 |
| Lerwick Timeseries Graph |
67 (3 Low) | n/m | n/m | n/m | n/m | 23/06/2026 21:00:00 |
| Strathvaich Timeseries Graph |
75 (3 Low) | n/m | n/m | n/m | n/m | 23/06/2026 16:00:00 |
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 | 9 (1 Low) | 17 (2 Low) *2 | 24/06/2026 10:00:00 |
| Hartlepool St Abbs Walk Timeseries Graph |
90 (3 Low) | 25 (1 Low) | n/m | 11 (1 Low) | 25 (2 Low) *2 | 24/06/2026 10:00:00 |
| Kielder Water Timeseries Graph |
95 (3 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 24/06/2026 10:00:00 |
| Middlesbrough Timeseries Graph |
101 (4 Moderate) | 22 (1 Low) | 2 (1 Low) | 11 (1 Low) | 17 (2 Low) *1 | 23/06/2026 08:15:00 |
| Newcastle Centre Timeseries Graph |
95 (3 Low) | 16 (1 Low) | n/m | 12 (2 Low) | 20 (2 Low) *1 | 24/06/2026 10:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 35 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *2 | 24/06/2026 10:00:00 |
| North Shields Chirton Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 16 (1 Low) *2 | 24/06/2026 10:00:00 |
| Redcar Milford Walk Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 21 (2 Low) *2 | 24/06/2026 10:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | 11 (1 Low) | n/m | 24/06/2026 09:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | 28 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *1 | 24/06/2026 10:00:00 |
| Sunderland Silksworth Timeseries Graph |
94 (3 Low) | 30 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 24/06/2026 10:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | 9 (1 Low) | n/m | 24/06/2026 10:00:00 |
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 |
72 (3 Low) | 17 (1 Low) | n/m | 8 (1 Low) | 20 (2 Low) *2 | 24/06/2026 01:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 61 (1 Low) | n/m | n/m | n/m | 24/06/2026 04:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 7 (1 Low) | n/m | n/m | n/m | 23/06/2026 11:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 23/06/2026 16:00:00 |
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 |
106 (4 Moderate) | 5 (1 Low) | n/m | n/m | n/m | 23/06/2026 18:00:00 |
| Wrexham Timeseries Graph |
n/m | 25 (1 Low) | 2 (1 Low) | 10 (1 Low) | 18 (2 Low) *2 | 23/06/2026 09:00:00 |
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 | 22 (1 Low) | n/m | 14 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 24/06/2026 09:00:00 |
| Blackburn Audley Park Timeseries Graph |
113 (4 Moderate) | n/m | n/m | 13 (2 Low) | 21 (2 Low) *2 | 24/06/2026 10:00:00 |
| Blackpool Marton Timeseries Graph |
118 (4 Moderate) | 15 (1 Low) | n/m | 11 (1 Low) | 18 (2 Low) *2 | 24/06/2026 07:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 24/06/2026 07:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 24/06/2026 06:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 20 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *1 | 24/06/2026 08:00:00 |
| Crewe Coppenhall Timeseries Graph |
121 (5 Moderate) | 15 (1 Low) | n/m | 12 (2 Low) | 21 (2 Low) *2 | 24/06/2026 10:00:00 |
| Glazebury Timeseries Graph |
115 (4 Moderate) | 9 (1 Low) | n/m | 12 (2 Low) | 19 (2 Low) *2 | 24/06/2026 10:00:00 |
| Liverpool Speke Timeseries Graph |
111 (4 Moderate) | 31 (1 Low) | 3 (1 Low) | 14 (2 Low) | 23 (2 Low) *1 | 23/06/2026 11:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
97 (3 Low) | n/m | n/m | 16 (2 Low) | 28 (2 Low) *2 | 24/06/2026 10:00:00 |
| Manchester Piccadilly Timeseries Graph |
104 (4 Moderate) | 33 (1 Low) | 2 (1 Low) | 14 (2 Low) | 27 (2 Low) *2 | 23/06/2026 21:30:00 |
| Manchester Sharston Timeseries Graph |
118 (4 Moderate) | 27 (1 Low) | n/m | 14 (2 Low) | 34 (3 Low) *2 | 24/06/2026 09:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Preston Timeseries Graph |
106 (4 Moderate) | 24 (1 Low) | n/m | 13 (2 Low) | 21 (2 Low) *2 | 24/06/2026 10:00:00 |
| Salford Eccles Timeseries Graph |
130 (5 Moderate) | 29 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 23/06/2026 16:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | 23 (2 Low) *1 | 23/06/2026 12:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Warrington Timeseries Graph |
n/m | 15 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *1 | 24/06/2026 10:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 24/06/2026 10:00:00 |
| Wigan Centre Timeseries Graph |
116 (4 Moderate) | 13 (1 Low) | n/m | 14 (2 Low) | 24 (2 Low) *2 | 24/06/2026 10:00:00 |
| Wirral Tranmere Timeseries Graph |
115 (4 Moderate) | 17 (1 Low) | n/m | 12 (2 Low) | 18 (2 Low) *2 | 24/06/2026 10:00:00 |
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 | 34 (1 Low) | n/m | n/m | 16 (1 Low) *1 | 23/06/2026 17:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | n/m | 23/06/2026 18:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 10 (1 Low) | 4 (1 Low) | n/m | n/m | 23/06/2026 12:15:00 |
| Belfast Centre Timeseries Graph |
53 (2 Low) | 69 (2 Low) | 2 (1 Low) | 13 (2 Low) | 26 (2 Low) *2 | 23/06/2026 11:30:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 23/06/2026 21:00:00 |
| Derry Rosemount Timeseries Graph |
51 (2 Low) | 5 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) *1 | 23/06/2026 10:15:00 |
| Lough Navar Timeseries Graph |
50 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 24/06/2026 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 | 32 (1 Low) | n/m | n/m | n/m | 24/06/2026 09:00:00 |
| Eskdalemuir Timeseries Graph |
88 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 23/06/2026 21:00:00 |
| Peebles Timeseries Graph |
83 (3 Low) | 4 (1 Low) | n/m | n/m | n/m | 23/06/2026 21:00:00 |
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 | 11 (1 Low) | n/m | 24/06/2026 10:00:00 |
| Brighton Preston Park Timeseries Graph |
95 (3 Low) | 12 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *2 | 24/06/2026 10:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 56 (1 Low) | n/m | 24 (3 Low) | 33 (2 Low) *1 | 24/06/2026 10:00:00 |
| Chilbolton Observatory Timeseries Graph |
129 (5 Moderate) | 11 (1 Low) | 2 (1 Low) | 13 (2 Low) | 26 (2 Low) *2 | 24/06/2026 03:00:00 |
| Eastbourne Timeseries Graph |
102 (4 Moderate) | 23 (1 Low) | n/m | 9 (1 Low) | 18 (2 Low) *2 | 24/06/2026 07:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Horley Timeseries Graph |
n/m | 18 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Lullington Heath Timeseries Graph |
109 (4 Moderate) | 14 (1 Low) | 2 (1 Low) | 8 (1 Low) | 16 (1 Low) *2 | 24/06/2026 02:45:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 25 (3 Low) | 40 (3 Low) *2 | 24/06/2026 10:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
119 (4 Moderate) | n/m | n/m | 12 (2 Low) | 24 (2 Low) *2 | 24/06/2026 10:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 48 (1 Low) | n/m | n/m | n/m | 24/06/2026 01:00:00 |
| Oxford St Ebbes Timeseries Graph |
103 (4 Moderate) | 59 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Portsmouth Timeseries Graph |
94 (3 Low) | 33 (1 Low) | n/m | 9 (1 Low) | 19 (2 Low) *2 | 24/06/2026 10:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 85 (2 Low) | n/m | 12 (2 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Reading London Road Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | 24 (2 Low) *1 | 24/06/2026 10:00:00 |
| Reading New Town Timeseries Graph |
108 (4 Moderate) | 39 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | n/m | 24/06/2026 10:00:00 |
| Rochester Stoke Timeseries Graph |
85 (3 Low) | 37 (1 Low) | 3 (1 Low) | 28 (3 Low) | 40 (3 Low) *2 | 24/06/2026 05:00:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 29 (2 Low) *2 | 24/06/2026 10:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 68 (2 Low) | n/m | 12 (2 Low) | 24 (2 Low) *2 | 24/06/2026 10:00:00 |
| Southampton Centre Timeseries Graph |
99 (3 Low) | 104 (2 Low) | 3 (1 Low) | 15 (2 Low) | 30 (2 Low) *2 | 23/06/2026 22:45:00 |
| Storrington Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | 12 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
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 |
124 (5 Moderate) | 21 (1 Low) | 2 (1 Low) | 17 (2 Low) | 27 (2 Low) *1 | 24/06/2026 02:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | n/m | 26 (2 Low) *1 | 23/06/2026 13:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 52 (1 Low) | n/m | 9 (1 Low) | 21 (2 Low) *1 | 24/06/2026 10:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
136 (5 Moderate) | 9 (1 Low) | n/m | n/m | n/m | 23/06/2026 21:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 60 (1 Low) | n/m | n/m | n/m | 23/06/2026 20:00:00 |
| Narberth Timeseries Graph |
110 (4 Moderate) | 9 (1 Low) | 2 (1 Low) | 13 (2 Low) | 25 (2 Low) *2 | 23/06/2026 18:15:00 |
| Newport Timeseries Graph |
n/m | 17 (1 Low) | n/m | 14 (2 Low) | 28 (2 Low) *2 | 24/06/2026 10:00:00 |
| Port Talbot Margam Timeseries Graph |
111 (4 Moderate) | 33 (1 Low) | 2 (1 Low) | 18 (2 Low) | 38 (3 Low) *3 | 23/06/2026 02:45:00 |
| Swansea Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 20 (2 Low) | 28 (2 Low) *1 | 24/06/2026 10:00:00 |
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 | 14 (2 Low) | 23 (2 Low) *2 | 24/06/2026 09:00:00 |
| Bath A4 Roadside Timeseries Graph |
n/m | 36 (1 Low) | n/m | n/m | n/m | 23/06/2026 24:00: |
| Bournemouth Timeseries Graph |
133 (5 Moderate) | 34 (1 Low) | n/m | 16 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Bridgwater A372 Westonzoyland Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Bristol Patchway Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 26 (2 Low) *2 | 24/06/2026 10:00:00 |
| Bristol St Paul's Timeseries Graph |
118 (4 Moderate) | 22 (1 Low) | n/m | 14 (2 Low) | 28 (2 Low) *1 | 24/06/2026 08:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 28 (1 Low) | n/m | 13 (2 Low) | 25 (2 Low) *2 | 24/06/2026 10:00:00 |
| Charlton Mackrell Timeseries Graph |
127 (5 Moderate) | 7 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 24/06/2026 10:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 12 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Exeter Roadside Timeseries Graph |
123 (5 Moderate) | 49 (1 Low) | n/m | n/m | n/m | 23/06/2026 21:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 27 (2 Low) *2 | 24/06/2026 10:00:00 |
| Honiton Timeseries Graph |
131 (5 Moderate) | 17 (1 Low) | n/m | 13 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Plymouth Centre Timeseries Graph |
92 (3 Low) | 56 (1 Low) | n/m | 17 (2 Low) | 36 (3 Low) *2 | 24/06/2026 10:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 24/06/2026 08:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 25 (2 Low) *1 | 24/06/2026 10:00:00 |
| Swindon Walcot Timeseries Graph |
115 (4 Moderate) | 20 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Yarner Wood Timeseries Graph |
140 (5 Moderate) | 6 (1 Low) | n/m | 13 (2 Low) | 25 (2 Low) *2 | 24/06/2026 10:00:00 |
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 |
63 (2 Low) | n/m | n/m | n/m | n/m | 23/06/2026 10:00:00 |
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 | 11 (1 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Birmingham A4540 Roadside Timeseries Graph |
97 (3 Low) | 37 (1 Low) | n/m | 12 (2 Low) | 24 (2 Low) *2 | 24/06/2026 10:00:00 |
| Birmingham Hall Green Timeseries Graph |
141 (6 Moderate) | 32 (1 Low) | n/m | 12 (2 Low) | 26 (2 Low) *2 | 24/06/2026 10:00:00 |
| Birmingham Ladywood Timeseries Graph |
145 (6 Moderate) | 21 (1 Low) | 2 (1 Low) | 12 (2 Low) | 21 (2 Low) *2 | 23/06/2026 10:15:00 |
| Birmingham University Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 21 (2 Low) *2 | 24/06/2026 10:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
133 (5 Moderate) | 16 (1 Low) | n/m | 10 (1 Low) | 19 (2 Low) *2 | 24/06/2026 10:00:00 |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 12 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Coventry Allesley Timeseries Graph |
110 (4 Moderate) | 32 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 47 (1 Low) | n/m | 11 (1 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Leamington Spa Timeseries Graph |
123 (5 Moderate) | 35 (1 Low) | n/m | 11 (1 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| Leominster Timeseries Graph |
122 (5 Moderate) | 7 (1 Low) | n/m | n/m | n/m | 23/06/2026 20:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | 14 (2 Low) | 26 (2 Low) *2 | 24/06/2026 10:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 57 (1 Low) | n/m | 12 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
97 (3 Low) | 27 (1 Low) | n/m | 13 (2 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Telford Hollinswood Timeseries Graph |
130 (5 Moderate) | 20 (1 Low) | n/m | 12 (2 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| Walsall Caldmore Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 23 (2 Low) *2 | 24/06/2026 09:00:00 |
| Walsall Woodlands Timeseries Graph |
122 (5 Moderate) | 19 (1 Low) | n/m | n/m | n/m | 23/06/2026 20:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
122 (5 Moderate) | n/a | n/m | n/m | n/m | 23/06/2026 21:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
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 |
121 (5 Moderate) | 13 (1 Low) | 2 (1 Low) | 11 (1 Low) | 21 (2 Low) *2 | 23/06/2026 08:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 24/06/2026 09:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | 26 (2 Low) *2 | 24/06/2026 10:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
132 (5 Moderate) | 13 (1 Low) | n/m | 12 (2 Low) | 23 (2 Low) *2 | 24/06/2026 10:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 42 (1 Low) | n/m | 13 (2 Low) | n/m | 24/06/2026 10:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 11 (1 Low) | 20 (2 Low) *2 | 24/06/2026 10:00:00 |
| High Muffles Timeseries Graph |
110 (4 Moderate) | 8 (1 Low) | n/m | 7 (1 Low) | 16 (1 Low) *2 | 24/06/2026 10:00:00 |
| Hull Freetown Timeseries Graph |
89 (3 Low) | 23 (1 Low) | 1 (1 Low) | 10 (1 Low) | 21 (2 Low) *2 | 24/06/2026 03:45:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 46 (1 Low) | n/m | 12 (2 Low) | 24 (2 Low) *2 | 24/06/2026 06:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
80 (3 Low) | 50 (1 Low) | n/m | 12 (2 Low) | 32 (2 Low) *2 | 24/06/2026 08:00:00 |
| Leeds Centre Timeseries Graph |
124 (5 Moderate) | 20 (1 Low) | 2 (1 Low) | 12 (2 Low) | 23 (2 Low) *2 | 23/06/2026 10:15:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 14 (2 Low) | 26 (2 Low) *1 | 24/06/2026 10:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | 22 (2 Low) *2 | 24/06/2026 10:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 33 (1 Low) | 3 (1 Low) | 11 (1 Low) | 28 (2 Low) *1 | 23/06/2026 11:45:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 43 (1 Low) | n/m | 16 (2 Low) | n/m | 24/06/2026 08:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
124 (5 Moderate) | 14 (1 Low) | n/m | 15 (2 Low) | 28 (2 Low) *2 | 24/06/2026 10:00:00 |
| Sheffield Tinsley Timeseries Graph |
109 (4 Moderate) | 17 (1 Low) | n/m | 12 (2 Low) | 27 (2 Low) *2 | 24/06/2026 10:00:00 |
| Wakefield Alverthorpe Timeseries Graph |
n/m | n/m | n/m | 14 (2 Low) | 27 (2 Low) *2 | 24/06/2026 10:00:00 |
| York Bootham Timeseries Graph |
121 (5 Moderate) | 22 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *1 | 24/06/2026 10:00:00 |
| York Fishergate Timeseries Graph |
n/m | 30 (1 Low) | n/m | 10 (1 Low) | 27 (2 Low) *1 | 24/06/2026 10:00:00 |
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