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 midnight Fri 18th Jul 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 |
63 (2 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 01:00:00 |
| Bush Estate Timeseries Graph |
68 (3 Low) | 5 (1 Low) | n/m | n/m | n/m | 18/07/2025 01:00:00 |
| Dumbarton Roadside Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 18/07/2025 09:00:00 |
| Edinburgh Nicolson Street Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 16/07/2025 08:00:00 |
| Edinburgh St Leonards Timeseries Graph |
48 (2 Low) | 5 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 02:30:00 |
| Glasgow Great Western Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | n/m | 18/07/2025 09:00:00 |
| Glasgow High Street Timeseries Graph |
n/m | 13 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 01:00:00 |
| Glasgow Kerbside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 18/07/2025 09:00:00 |
| Glasgow Townhead Timeseries Graph |
63 (2 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 01:00:00 |
| Grangemouth Timeseries Graph |
n/m | 18 (1 Low) | 2 (1 Low) | 4 (1 Low) | 10 (1 Low) *1 | 18/07/2025 20:45:00 |
| Grangemouth Moray Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 18/07/2025 02:00:00 |
| Greenock A8 Roadside Timeseries Graph |
n/m | 34 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 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 |
72 (3 Low) | 10 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Chesterfield Roadside Timeseries Graph |
n/m | 18 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 01:00:00 |
| Derby St Alkmund's Way Timeseries Graph |
n/m | 37 (1 Low) | n/m | 4 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Derby Stockbrook Park Timeseries Graph |
71 (3 Low) | n/m | n/m | 4 (1 Low) | 6 (1 Low) *2 | 18/07/2025 01:00:00 |
| Ladybower Timeseries Graph |
66 (2 Low) | 9 (1 Low) | 2 (1 Low) | 5 (1 Low) | 7 (1 Low) *2 | 18/07/2025 20:15:00 |
| Leicester A594 Roadside Timeseries Graph |
n/m | 39 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Leicester University Timeseries Graph |
73 (3 Low) | 28 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 18/07/2025 01:00:00 |
| Lincoln Canwick Road Timeseries Graph |
n/m | 34 (1 Low) | n/m | n/m | n/m | 18/07/2025 08:00:00 |
| Loughborough Thorpe Acre Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 01:00:00 |
| Mansfield Ladybrook Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 18/07/2025 04:00:00 |
| Northampton Spring Park Timeseries Graph |
66 (2 Low) | 22 (1 Low) | n/m | 5 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Nottingham Bilborough Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 01:00:00 |
| Nottingham Kenmore Gardens Timeseries Graph |
82 (3 Low) | 24 (1 Low) | 2 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 18/07/2025 14:30:00 |
| Nottingham Western Boulevard Timeseries Graph |
n/m | 42 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 01:00:00 |
| Tallington Timeseries Graph |
90 (3 Low) | n/m | n/m | 4 (1 Low) | 14 (1 Low) *2 | 18/07/2025 07:00:00 |
| Toft Newton Timeseries Graph |
101 (4 Moderate) | 17 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) *2 | 18/07/2025 23:00:00 |
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 | 28 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 24:00: |
| Cambridge Roadside Timeseries Graph |
n/m | 38 (1 Low) | n/m | n/m | n/m | 18/07/2025 19:00:00 |
| Luton A505 Roadside Timeseries Graph |
n/m | 61 (1 Low) | n/m | 4 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Norwich Lakenfields Timeseries Graph |
81 (3 Low) | 22 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 18/07/2025 10:00:00 |
| Peterborough Garton End Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 02:00:00 |
| Sibton Timeseries Graph |
65 (2 Low) | n/m | n/m | 6 (1 Low) | 9 (1 Low) *2 | 18/07/2025 05:00:00 |
| Southend Shoeburyness Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 01:00:00 |
| Southend-on-Sea Timeseries Graph |
71 (3 Low) | 15 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 01:00:00 |
| St Osyth Timeseries Graph |
61 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 18/07/2025 07:00:00 |
| Stanford-le-Hope Roadside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 9 (1 Low) | 12 (1 Low) *1 | 18/07/2025 01:00:00 |
| Thurrock Timeseries Graph |
79 (3 Low) | 25 (1 Low) | 3 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 18/07/2025 03:30:00 |
| Weybourne Timeseries Graph |
80 (3 Low) | n/m | n/m | 7 (1 Low) | 12 (1 Low) *2 | 18/07/2025 18:00:00 |
| Wicken Fen Timeseries Graph |
97 (3 Low) | 6 (1 Low) | 1 (1 Low) | 5 (1 Low) | 11 (1 Low) *2 | 18/07/2025 20:00:00 |
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 | 40 (1 Low) | n/m | 5 (1 Low) | n/a | 18/07/2025 24:00: |
| Ealing Horn Lane Timeseries Graph |
n/m | n/m | n/m | n/m | 30 (2 Low) *1 | 18/07/2025 24:00: |
| Haringey Roadside Timeseries Graph |
n/m | n/a | n/m | n/m | n/m | 15/07/2025 20:00:00 |
| London Bexley Timeseries Graph |
n/m | 17 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 24:00: |
| London Bloomsbury Timeseries Graph |
93 (3 Low) | 13 (1 Low) | 3 (1 Low) | 6 (1 Low) | 12 (1 Low) *2 | 18/07/2025 21:30:00 |
| London Haringey Priory Park South Timeseries Graph |
n/a | 10 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 18/07/2025 24:00: |
| London Harlington Timeseries Graph |
94 (3 Low) | 39 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 18/07/2025 22:00:00 |
| London Hillingdon Timeseries Graph |
63 (2 Low) | 72 (2 Low) | n/m | 6 (1 Low) | 18 (2 Low) *2 | 18/07/2025 24:00: |
| London Honor Oak Park Timeseries Graph |
96 (3 Low) | n/m | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 24:00: |
| London Marylebone Road Timeseries Graph |
45 (2 Low) | 44 (1 Low) | 7 (1 Low) | n/a | n/a | 18/07/2025 11:00:00 |
| London N. Kensington Timeseries Graph |
96 (3 Low) | 11 (1 Low) | 1 (1 Low) | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 15:45:00 |
| London Norbury Manor School Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 23:00:00 |
| London Teddington Bushy Park Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 12 (1 Low) *2 | 18/07/2025 24:00: |
| London Westminster Timeseries Graph |
68 (3 Low) | 9 (1 Low) | n/m | 4 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Southwark A2 Old Kent Road Timeseries Graph |
n/m | 18 (1 Low) | n/m | n/m | 14 (1 Low) *1 | 18/07/2025 23:00:00 |
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 |
53 (2 Low) | 8 (1 Low) | n/m | n/m | n/m | 18/07/2025 01:00:00 |
| Inverness Timeseries Graph |
n/m | 13 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 18/07/2025 01:00:00 |
| Lerwick Timeseries Graph |
83 (3 Low) | n/m | n/m | n/m | n/m | 18/07/2025 01:00:00 |
| Strathvaich Timeseries Graph |
74 (3 Low) | n/m | n/m | n/m | n/m | 18/07/2025 01:00:00 |
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 |
| Hartlepool St Abbs Walk Timeseries Graph |
73 (3 Low) | 24 (1 Low) | n/m | 10 (1 Low) | 16 (1 Low) *2 | 18/07/2025 23:00:00 |
| Kielder Water Timeseries Graph |
48 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 06:00:00 |
| Middlesbrough Timeseries Graph |
63 (2 Low) | 28 (1 Low) | 2 (1 Low) | 5 (1 Low) | 16 (1 Low) *1 | 18/07/2025 21:45:00 |
| Newcastle Centre Timeseries Graph |
58 (2 Low) | 24 (1 Low) | n/m | 9 (1 Low) | 17 (2 Low) *1 | 18/07/2025 01:00:00 |
| Newcastle Cradlewell Roadside Timeseries Graph |
n/m | 40 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 18/07/2025 01:00:00 |
| Stockton-on-Tees A1305 Roadside Timeseries Graph |
n/m | 42 (1 Low) | n/m | 7 (1 Low) | n/m | 18/07/2025 11:00:00 |
| Stockton-on-Tees Eaglescliffe Timeseries Graph |
n/m | n/a | n/m | 7 (1 Low) | 16 (1 Low) *1 | 18/07/2025 07:00:00 |
| Sunderland Silksworth Timeseries Graph |
58 (2 Low) | 21 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 18/07/2025 01:00:00 |
| Sunderland Wessington Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | 7 (1 Low) | n/m | 18/07/2025 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 |
66 (2 Low) | 23 (1 Low) | n/m | 6 (1 Low) | 12 (1 Low) *2 | 18/07/2025 08:00:00 |
| Aberdeen Wellington Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | n/m | 18/07/2025 23:00:00 |
| Dundee Mains Loan Timeseries Graph |
n/m | 13 (1 Low) | n/m | n/m | n/m | 18/07/2025 05:00:00 |
| Perth Glasgow Road Timeseries Graph |
n/m | 17 (1 Low) | n/m | n/m | n/m | 18/07/2025 22:00:00 |
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 |
63 (2 Low) | 3 (1 Low) | n/m | n/m | n/m | 18/07/2025 21:00:00 |
| Wrexham Timeseries Graph |
n/m | 18 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 18/07/2025 09:15:00 |
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 | 14 (1 Low) | n/m | 4 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | n/m | 18/07/2025 24:00: |
| Blackburn Audley Park Timeseries Graph |
52 (2 Low) | n/m | n/m | 7 (1 Low) | 11 (1 Low) *2 | 18/07/2025 02:00:00 |
| Blackpool Marton Timeseries Graph |
64 (2 Low) | 13 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/a | 18/07/2025 24:00: |
| Carlisle Morton A595 Timeseries Graph |
n/m | 16 (1 Low) | n/m | 7 (1 Low) | 10 (1 Low) *1 | 18/07/2025 01:00:00 |
| Crewe Coppenhall Timeseries Graph |
55 (2 Low) | 23 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 01:00:00 |
| Glazebury Timeseries Graph |
53 (2 Low) | 10 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 18/07/2025 03:00:00 |
| Liverpool Speke Timeseries Graph |
62 (2 Low) | 16 (1 Low) | 16 (1 Low) | 6 (1 Low) | 9 (1 Low) *1 | 18/07/2025 09:15:00 |
| Liverpool Thirlmere Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Manchester Piccadilly Timeseries Graph |
56 (2 Low) | 39 (1 Low) | 5 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 18/07/2025 15:30:00 |
| Manchester Sharston Timeseries Graph |
54 (2 Low) | 28 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Preston Timeseries Graph |
51 (2 Low) | 26 (1 Low) | n/m | 7 (1 Low) | 11 (1 Low) *2 | 18/07/2025 03:00:00 |
| Salford Eccles Timeseries Graph |
58 (2 Low) | 34 (1 Low) | n/m | 9 (1 Low) | 16 (1 Low) *2 | 18/07/2025 03:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 18/07/2025 14:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 10 (1 Low) *1 | 10/07/2025 07:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 17/07/2025 01:00:00 |
| Warrington Timeseries Graph |
n/m | 20 (1 Low) | n/m | 2 (1 Low) | 8 (1 Low) *1 | 18/07/2025 01:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 31 (1 Low) | n/m | n/m | n/m | 18/07/2025 18:00:00 |
| Wigan Centre Timeseries Graph |
60 (2 Low) | 18 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 18/07/2025 03:00:00 |
| Wirral Tranmere Timeseries Graph |
61 (2 Low) | 9 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 18/07/2025 01:00:00 |
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 | 31 (1 Low) | n/m | n/m | 10 (1 Low) *1 | 18/07/2025 16:00:00 |
| Ballymena Antrim Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 18/07/2025 08:00:00 |
| Ballymena Ballykeel Timeseries Graph |
n/m | 11 (1 Low) | 4 (1 Low) | n/m | n/m | 18/07/2025 17:45:00 |
| Belfast Centre Timeseries Graph |
35 (2 Low) | 25 (1 Low) | 2 (1 Low) | 3 (1 Low) | 5 (1 Low) *2 | 18/07/2025 07:00:00 |
| Belfast Stockman's Lane Timeseries Graph |
n/m | 54 (1 Low) | n/m | n/m | 13 (1 Low) *1 | 18/07/2025 08:00:00 |
| Derry Rosemount Timeseries Graph |
46 (2 Low) | 8 (1 Low) | 2 (1 Low) | 1 (1 Low) | 4 (1 Low) *1 | 18/07/2025 02:30:00 |
| Lough Navar Timeseries Graph |
41 (2 Low) | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 18/07/2025 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 | 20 (1 Low) | n/m | n/m | n/m | 18/07/2025 09:00:00 |
| Eskdalemuir Timeseries Graph |
61 (2 Low) | 1 (1 Low) | n/m | n/m | n/m | 18/07/2025 21:00:00 |
| Peebles Timeseries Graph |
71 (3 Low) | 3 (1 Low) | n/m | n/m | n/m | 17/07/2025 24:00: |
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 |
48 (2 Low) | 18 (1 Low) | n/m | 5 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 49 (1 Low) | n/m | 3 (1 Low) | 14 (1 Low) *1 | 18/07/2025 01:00:00 |
| Chilbolton Observatory Timeseries Graph |
65 (2 Low) | 8 (1 Low) | 2 (1 Low) | 5 (1 Low) | 19 (2 Low) *2 | 18/07/2025 21:15:00 |
| Eastbourne Timeseries Graph |
60 (2 Low) | 20 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 18/07/2025 01:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 23:00:00 |
| Horley Timeseries Graph |
n/m | 31 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 24:00: |
| Lullington Heath Timeseries Graph |
61 (2 Low) | 21 (1 Low) | 1 (1 Low) | 4 (1 Low) | 5 (1 Low) *2 | 18/07/2025 17:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
74 (3 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 18/07/2025 01:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 41 (1 Low) | n/m | n/m | n/m | 18/07/2025 22:00:00 |
| Oxford St Ebbes Timeseries Graph |
62 (2 Low) | 38 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 18/07/2025 24:00: |
| Portsmouth Timeseries Graph |
60 (2 Low) | 21 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 18:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 19:00:00 |
| Reading London Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | 15 (1 Low) *1 | 18/07/2025 16:00:00 |
| Reading New Town Timeseries Graph |
65 (2 Low) | 18 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 18/07/2025 24:00: |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | n/m | 18/07/2025 23:00:00 |
| Rochester Stoke Timeseries Graph |
70 (3 Low) | 13 (1 Low) | 2 (1 Low) | 6 (1 Low) | 14 (1 Low) *2 | 17/07/2025 24:15: |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 13 (1 Low) *2 | 18/07/2025 23:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 33 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 18/07/2025 11:00:00 |
| Southampton Centre Timeseries Graph |
56 (2 Low) | 36 (1 Low) | 2 (1 Low) | 5 (1 Low) | 12 (1 Low) *2 | 18/07/2025 09:15:00 |
| Storrington Roadside Timeseries Graph |
n/m | 23 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) *2 | 18/07/2025 24:00: |
| Worthing A27 Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 6 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) *2 | 18/07/2025 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 |
55 (2 Low) | 20 (1 Low) | 2 (1 Low) | 10 (1 Low) | 11 (1 Low) *1 | 18/07/2025 02:30:00 |
| Cardiff Newport Road Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 7 (1 Low) *1 | 18/07/2025 01:00:00 |
| Chepstow A48 Timeseries Graph |
n/m | 36 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *1 | 18/07/2025 10:00:00 |
| Cwmbran Crownbridge Timeseries Graph |
63 (2 Low) | 15 (1 Low) | n/m | n/m | n/m | 18/07/2025 21:00:00 |
| Hafod-yr-ynys Hill Roadside Timeseries Graph |
n/m | 37 (1 Low) | n/m | n/m | n/m | 18/07/2025 09:00:00 |
| Narberth Timeseries Graph |
47 (2 Low) | 2 (1 Low) | 2 (1 Low) | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 10:15:00 |
| Newport Timeseries Graph |
n/m | 14 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 18/07/2025 24:00: |
| Port Talbot Margam Timeseries Graph |
60 (2 Low) | 17 (1 Low) | 1 (1 Low) | 4 (1 Low) | 9 (1 Low) *3 | 18/07/2025 22:30:00 |
| Swansea Roadside Timeseries Graph |
n/m | 25 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *1 | 18/07/2025 17:00:00 |
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 | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 24:00: |
| Bath A4 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | n/m | n/m | 18/07/2025 17:00:00 |
| Bournemouth Timeseries Graph |
60 (2 Low) | 10 (1 Low) | n/m | 5 (1 Low) | n/m | 18/07/2025 17:00:00 |
| Bristol St Paul's Timeseries Graph |
55 (2 Low) | 14 (1 Low) | n/m | n/a | n/a | 18/07/2025 01:00:00 |
| Bristol Temple Way Timeseries Graph |
n/m | 18 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 18/07/2025 24:00: |
| Charlton Mackrell Timeseries Graph |
59 (2 Low) | 14 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 18/07/2025 20:00:00 |
| Cheltenham A40 Gloucester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 15/07/2025 01:00:00 |
| Christchurch Barrack Road Timeseries Graph |
n/m | 12 (1 Low) | n/m | 2 (1 Low) | n/m | 18/07/2025 11:00:00 |
| Exeter Roadside Timeseries Graph |
45 (2 Low) | 24 (1 Low) | n/m | n/m | n/m | 18/07/2025 22:00:00 |
| Gloucester Tredworth Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 18/07/2025 16:00:00 |
| Honiton Timeseries Graph |
53 (2 Low) | 11 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 19:00:00 |
| London Farringdon Street Timeseries Graph |
n/m | 45 (1 Low) | n/m | 7 (1 Low) | n/m | 18/07/2025 24:00: |
| Plymouth Centre Timeseries Graph |
60 (2 Low) | 17 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 18/07/2025 01:00:00 |
| Plymouth Tavistock Road Timeseries Graph |
n/m | 22 (1 Low) | n/m | n/m | n/m | 18/07/2025 21:00:00 |
| Saltash Callington Road Timeseries Graph |
n/m | n/m | n/m | 2 (1 Low) | 10 (1 Low) *1 | 18/07/2025 15:00:00 |
| Swindon Walcot Timeseries Graph |
50 (2 Low) | 4 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 18/07/2025 24:00: |
| Yarner Wood Timeseries Graph |
55 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 6 (1 Low) *2 | 18/07/2025 24:00: |
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 |
68 (3 Low) | n/m | n/m | n/m | n/m | 18/07/2025 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 |
47 (2 Low) | 48 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 18/07/2025 01:00:00 |
| Birmingham Hall Green Timeseries Graph |
70 (3 Low) | 11 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 18/07/2025 23:00:00 |
| Birmingham Ladywood Timeseries Graph |
60 (2 Low) | 19 (1 Low) | 2 (1 Low) | n/a | n/a | 18/07/2025 01:00:00 |
| Burton-on-Trent Horninglow Timeseries Graph |
74 (3 Low) | 35 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 24:00: |
| Cannock A5190 Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | 4 (1 Low) | n/m | 18/07/2025 01:00:00 |
| Coventry Allesley Timeseries Graph |
61 (2 Low) | 16 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 18/07/2025 01:00:00 |
| Coventry Binley Road Timeseries Graph |
n/m | 36 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Leamington Spa Timeseries Graph |
67 (3 Low) | 29 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 18/07/2025 24:00: |
| Leamington Spa Rugby Road Timeseries Graph |
n/m | 16 (1 Low) | n/m | 3 (1 Low) | 6 (1 Low) *2 | 18/07/2025 24:00: |
| Leominster Timeseries Graph |
61 (2 Low) | 10 (1 Low) | n/m | n/m | n/m | 18/07/2025 22:00:00 |
| Oldbury Birmingham Road Timeseries Graph |
n/m | 32 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 18/07/2025 01:00:00 |
| Shrewsbury Underdale Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 6 (1 Low) *2 | 18/07/2025 01:00:00 |
| Stoke-on-Trent A50 Roadside Timeseries Graph |
n/m | 45 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *2 | 18/07/2025 01:00:00 |
| Stoke-on-Trent Centre Timeseries Graph |
44 (2 Low) | 23 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 18/07/2025 01:00:00 |
| Telford Hollinswood Timeseries Graph |
64 (2 Low) | 12 (1 Low) | n/m | 3 (1 Low) | 5 (1 Low) *2 | 18/07/2025 01:00:00 |
| Walsall Woodlands Timeseries Graph |
69 (3 Low) | 15 (1 Low) | n/m | n/m | n/m | 18/07/2025 21:00:00 |
| West Bromwich Kenrick Park Timeseries Graph |
60 (2 Low) | n/a | n/m | n/m | n/m | 18/07/2025 21:00:00 |
| Worcester Tolladine Timeseries Graph |
n/m | n/m | n/m | 3 (1 Low) | 5 (1 Low) *2 | 18/07/2025 23:00:00 |
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 |
59 (2 Low) | 28 (1 Low) | 2 (1 Low) | 6 (1 Low) | 11 (1 Low) *2 | 18/07/2025 18:15:00 |
| Bradford Mayo Avenue Timeseries Graph |
n/m | 47 (1 Low) | n/m | n/m | n/m | 18/07/2025 02:00:00 |
| Bradford Shipley Airedale Road Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 15 (1 Low) *2 | 18/07/2025 06:00:00 |
| Dewsbury Ashworth Grange Timeseries Graph |
59 (2 Low) | 19 (1 Low) | n/m | 8 (1 Low) | 12 (1 Low) *2 | 18/07/2025 06:00:00 |
| Doncaster A630 Cleveland Street Timeseries Graph |
n/m | 44 (1 Low) | n/m | 7 (1 Low) | n/m | 18/07/2025 06:00:00 |
| Harrogate Woodlands Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | 10 (1 Low) *2 | 18/07/2025 08:00:00 |
| High Muffles Timeseries Graph |
64 (2 Low) | 6 (1 Low) | n/m | 6 (1 Low) | 11 (1 Low) *2 | 18/07/2025 14:00:00 |
| Hull Freetown Timeseries Graph |
80 (3 Low) | 36 (1 Low) | 2 (1 Low) | 14 (2 Low) | 23 (2 Low) *2 | 18/07/2025 13:00:00 |
| Hull Holderness Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | 13 (2 Low) | 20 (2 Low) *2 | 18/07/2025 18:00:00 |
| Immingham Woodlands Avenue Timeseries Graph |
73 (3 Low) | 36 (1 Low) | n/m | 11 (1 Low) | 20 (2 Low) *2 | 18/07/2025 20:00:00 |
| Leeds Centre Timeseries Graph |
58 (2 Low) | 43 (1 Low) | 2 (1 Low) | 8 (1 Low) | 15 (1 Low) *2 | 18/07/2025 23:45:00 |
| Leeds Headingley Kerbside Timeseries Graph |
n/m | 30 (1 Low) | n/m | 8 (1 Low) | 22 (2 Low) *1 | 18/07/2025 01:00:00 |
| Rotherham East Dene Timeseries Graph |
n/m | n/m | n/m | 9 (1 Low) | 13 (1 Low) *2 | 18/07/2025 05:00:00 |
| Scunthorpe Town Timeseries Graph |
n/m | 33 (1 Low) | 2 (1 Low) | 8 (1 Low) | 24 (2 Low) *1 | 18/07/2025 03:00:00 |
| Sheffield Barnsley Road Timeseries Graph |
n/m | 38 (1 Low) | n/m | 9 (1 Low) | n/m | 18/07/2025 02:00:00 |
| Sheffield Devonshire Green Timeseries Graph |
61 (2 Low) | 22 (1 Low) | n/m | 6 (1 Low) | 10 (1 Low) *2 | 18/07/2025 01:00:00 |
| Sheffield Tinsley Timeseries Graph |
51 (2 Low) | 37 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *2 | 18/07/2025 05:00:00 |
| York Bootham Timeseries Graph |
65 (2 Low) | 16 (1 Low) | n/m | 7 (1 Low) | 13 (1 Low) *1 | 18/07/2025 12:00:00 |
| York Fishergate Timeseries Graph |
n/m | 25 (1 Low) | n/m | 8 (1 Low) | 19 (2 Low) *1 | 18/07/2025 11:00:00 |
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