Latest measured levels based on data provided by the Environment Agency

Here you can view the detailed data behind the latest measurement summary displayed on UK-AIR, and also a summary of information that has been displayed over the previous 24 hours. The detailed data tabulated below are from monitoring sites within the AURN. Graphs of hourly monitoring data are also available to view as weekly time series. You can also subscribe to this information as an email alert.

  • View the legend
  • Pollutant levels recorded for the hour up to 4am Sat 18th Jan 2025

Filter by region:

Central Scotland

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Auchencorth Moss
Timeseries Graph
67 (3 Low)n/mn/m4 (1 Low)6 (1 Low)
*2
18/01/2025
04:00
Bush Estate
Timeseries Graph
57 (2 Low)3 (1 Low)n/mn/mn/m 18/01/2025
04:00
Dumbarton Roadside
Timeseries Graph
n/m1 (1 Low)n/mn/mn/m 18/01/2025
04:00
Edinburgh Nicolson Street
Timeseries Graph
n/m3 (1 Low)n/mn/mn/m 18/01/2025
04:00
Edinburgh St Leonards
Timeseries Graph
n/a6 (1 Low)1 (1 Low)5 (1 Low)8 (1 Low)
*2
18/01/2025
04:00
Glasgow Great Western Road
Timeseries Graph
n/m4 (1 Low)n/mn/mn/m 18/01/2025
04:00
Glasgow High Street
Timeseries Graph
n/m3 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
18/01/2025
04:00
Glasgow Kerbside
Timeseries Graph
n/m8 (1 Low)n/mn/mn/m 18/01/2025
04:00
Glasgow Townhead
Timeseries Graph
58 (2 Low)8 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
18/01/2025
04:00
Grangemouth
Timeseries Graph
n/m5 (1 Low)1 (1 Low)7 (1 Low)10 (1 Low)
*1
18/01/2025
04:00
Grangemouth Moray
Timeseries Graph
n/m2 (1 Low)n/mn/mn/m 18/01/2025
04:00
Greenock A8 Roadside
Timeseries Graph
n/m3 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
18/01/2025
04:00

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East Midlands

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Chesterfield Loundsley Green
Timeseries Graph
51 (2 Low)7 (1 Low)n/m15 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Chesterfield Roadside
Timeseries Graph
n/m4 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Derby St Alkmund's Way
Timeseries Graph
n/m17 (1 Low)n/m18 (2 Low)n/m 18/01/2025
04:00
Derby Stockbrook Park
Timeseries Graph
36 (2 Low)n/mn/m18 (2 Low)21 (2 Low)
*2
18/01/2025
04:00
Ladybower
Timeseries Graph
57 (2 Low)6 (1 Low)7 (1 Low)12 (2 Low)14 (1 Low)
*2
18/01/2025
04:00
Leicester A594 Roadside
Timeseries Graph
n/m15 (1 Low)n/m18 (2 Low)26 (2 Low)
*2
18/01/2025
04:00
Leicester University
Timeseries Graph
43 (2 Low)7 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Lincoln Canwick Road
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 18/01/2025
04:00
Mansfield Ladybrook
Timeseries Graph
n/mn/mn/m18 (2 Low)21 (2 Low)
*2
18/01/2025
04:00
Northampton Spring Park
Timeseries Graph
43 (2 Low)12 (1 Low)n/m18 (2 Low)n/m 18/01/2025
04:00
Nottingham Kenmore Gardens
Timeseries Graph
43 (2 Low)13 (1 Low)0 (1 Low)19 (2 Low)23 (2 Low)
*2
18/01/2025
04:00
Nottingham Western Boulevard
Timeseries Graph
n/m6 (1 Low)n/m16 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Tallington
Timeseries Graph
48 (2 Low)n/mn/m14 (2 Low)16 (1 Low)
*2
18/01/2025
04:00
Toft Newton
Timeseries Graph
41 (2 Low)7 (1 Low)n/m18 (2 Low)21 (2 Low)
*2
18/01/2025
04:00

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Eastern

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Borehamwood Meadow Park
Timeseries Graph
n/m16 (1 Low)n/m21 (2 Low)25 (2 Low)
*2
18/01/2025
04:00
Cambridge Roadside
Timeseries Graph
n/m26 (1 Low)n/mn/mn/m 18/01/2025
04:00
Luton A505 Roadside
Timeseries Graph
n/m32 (1 Low)n/m19 (2 Low)n/m 18/01/2025
04:00
Norwich Lakenfields
Timeseries Graph
35 (2 Low)13 (1 Low)n/m19 (2 Low)22 (2 Low)
*2
18/01/2025
04:00
Peterborough Garton End
Timeseries Graph
n/mn/mn/m16 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Sandy Roadside
Timeseries Graph
n/m20 (1 Low)n/m12 (2 Low)21 (2 Low)
*1
18/01/2025
04:00
Sibton
Timeseries Graph
n/an/mn/m16 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Southend-on-Sea
Timeseries Graph
35 (2 Low)5 (1 Low)n/m17 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
St Osyth
Timeseries Graph
n/a7 (1 Low)n/m15 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m9 (1 Low)n/m19 (2 Low)21 (2 Low)
*1
18/01/2025
04:00
Thurrock
Timeseries Graph
38 (2 Low)10 (1 Low)1 (1 Low)19 (2 Low)22 (2 Low)
*2
18/01/2025
04:00
Weybourne
Timeseries Graph
39 (2 Low)n/mn/m18 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
Wicken Fen
Timeseries Graph
23 (1 Low)22 (1 Low)2 (1 Low)21 (2 Low)24 (2 Low)
*2
18/01/2025
04:00

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Greater London

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Camden Kerbside
Timeseries Graph
n/m22 (1 Low)n/m20 (2 Low)32 (2 Low)
*1
18/01/2025
04:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m30 (2 Low)
*1
18/01/2025
04:00
Haringey Roadside
Timeseries Graph
n/m14 (1 Low)n/mn/mn/m 18/01/2025
04:00
London Bexley
Timeseries Graph
n/m6 (1 Low)n/m22 (2 Low)25 (2 Low)
*2
18/01/2025
04:00
London Bloomsbury
Timeseries Graph
27 (1 Low)18 (1 Low)1 (1 Low)20 (2 Low)25 (2 Low)
*2
18/01/2025
04:00
London Haringey Priory Park South
Timeseries Graph
18 (1 Low)17 (1 Low)n/mn/mn/m 18/01/2025
04:00
London Harlington
Timeseries Graph
n/an/an/mn/an/a 17/01/2025
22:00
London Hillingdon
Timeseries Graph
21 (1 Low)21 (1 Low)n/m19 (2 Low)29 (2 Low)
*2
18/01/2025
04:00
London Honor Oak Park
Timeseries Graph
44 (2 Low)n/mn/mn/an/a 18/01/2025
04:00
London Marylebone Road
Timeseries Graph
18 (1 Low)27 (1 Low)2 (1 Low)n/an/a 18/01/2025
04:00
London N. Kensington
Timeseries Graph
39 (2 Low)10 (1 Low)1 (1 Low)19 (2 Low)23 (2 Low)
*2
18/01/2025
04:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m18 (2 Low)22 (2 Low)
*2
18/01/2025
04:00
London Westminster
Timeseries Graph
31 (1 Low)14 (1 Low)n/m17 (2 Low)n/m 18/01/2025
04:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m10 (1 Low)n/mn/mn/a 18/01/2025
04:00
Tower Hamlets Roadside
Timeseries Graph
n/m16 (1 Low)n/mn/mn/m 18/01/2025
04:00

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Highland

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Fort William
Timeseries Graph
62 (2 Low)1 (1 Low)n/mn/mn/m 18/01/2025
04:00
Inverness
Timeseries Graph
n/m1 (1 Low)n/m1 (1 Low)2 (1 Low)
*2
18/01/2025
04:00
Lerwick
Timeseries Graph
70 (3 Low)n/mn/mn/mn/m 18/01/2025
04:00
Strathvaich
Timeseries Graph
55 (2 Low)n/mn/mn/mn/m 18/01/2025
04:00

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North East

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Hartlepool St Abbs Walk
Timeseries Graph
32 (1 Low)10 (1 Low)n/m16 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Kielder Water
Timeseries Graph
56 (2 Low)n/mn/m6 (1 Low)8 (1 Low)
*2
18/01/2025
04:00
Middlesbrough
Timeseries Graph
43 (2 Low)9 (1 Low)1 (1 Low)10 (1 Low)15 (1 Low)
*1
18/01/2025
04:00
Newcastle Centre
Timeseries Graph
11 (1 Low)0 (1 Low)n/m10 (1 Low)16 (1 Low)
*1
18/01/2025
04:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m37 (1 Low)n/m10 (1 Low)18 (2 Low)
*2
18/01/2025
04:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m12 (1 Low)n/m19 (2 Low)n/m 18/01/2025
04:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m9 (1 Low)n/m17 (2 Low)17 (2 Low)
*1
18/01/2025
04:00
Sunderland Silksworth
Timeseries Graph
44 (2 Low)15 (1 Low)n/m9 (1 Low)12 (1 Low)
*2
18/01/2025
04:00
Sunderland Wessington Way
Timeseries Graph
n/mn/an/m11 (1 Low)n/m 18/01/2025
04:00

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North East Scotland

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Aberdeen Erroll Park
Timeseries Graph
54 (2 Low)3 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
18/01/2025
04:00
Aberdeen Wellington Road
Timeseries Graph
n/m1 (1 Low)n/mn/mn/m 18/01/2025
04:00
Dundee Mains Loan
Timeseries Graph
n/m5 (1 Low)n/mn/mn/m 18/01/2025
04:00
Perth Glasgow Road
Timeseries Graph
n/m14 (1 Low)n/mn/mn/m 18/01/2025
04:00

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North Wales

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Aston Hill
Timeseries Graph
47 (2 Low)5 (1 Low)n/mn/mn/m 18/01/2025
04:00
Wrexham
Timeseries Graph
n/m11 (1 Low)5 (1 Low)14 (2 Low)16 (1 Low)
*2
18/01/2025
04:00

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North West & Merseyside

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Birkenhead Borough Road
Timeseries Graph
n/m13 (1 Low)n/m15 (2 Low)n/m 18/01/2025
04:00
Blackburn Accrington Road
Timeseries Graph
n/m10 (1 Low)n/mn/mn/m 18/01/2025
04:00
Blackburn Audley Park
Timeseries Graph
31 (1 Low)n/mn/m17 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
Blackpool Marton
Timeseries Graph
17 (1 Low)12 (1 Low)n/m17 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m20 (2 Low)n/m 18/01/2025
04:00
Bury Whitefield Roadside
Timeseries Graph
n/m15 (1 Low)n/mn/m20 (2 Low)
*1
18/01/2025
04:00
Carlisle Morton A595
Timeseries Graph
n/m8 (1 Low)n/m9 (1 Low)12 (1 Low)
*1
18/01/2025
04:00
Crewe Coppenhall
Timeseries Graph
38 (2 Low)6 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Glazebury
Timeseries Graph
26 (1 Low)6 (1 Low)n/m14 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Liverpool Speke
Timeseries Graph
28 (1 Low)6 (1 Low)1 (1 Low)12 (2 Low)18 (2 Low)
*1
18/01/2025
04:00
Manchester Piccadilly
Timeseries Graph
29 (1 Low)14 (1 Low)1 (1 Low)14 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Manchester Sharston
Timeseries Graph
37 (2 Low)5 (1 Low)n/m13 (2 Low)16 (1 Low)
*2
18/01/2025
04:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m14 (2 Low)n/m 18/01/2025
04:00
Preston
Timeseries Graph
24 (1 Low)10 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Salford Eccles
Timeseries Graph
28 (1 Low)11 (1 Low)n/m20 (2 Low)25 (2 Low)
*2
18/01/2025
04:00
Shaw Crompton Way
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 18/01/2025
04:00
St Helens Linkway
Timeseries Graph
n/m10 (1 Low)n/mn/m20 (2 Low)
*1
18/01/2025
04:00
Warrington
Timeseries Graph
n/m9 (1 Low)n/m13 (2 Low)18 (2 Low)
*1
18/01/2025
04:00
Widnes Milton Road
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 18/01/2025
04:00
Wigan Centre
Timeseries Graph
17 (1 Low)16 (1 Low)n/m20 (2 Low)24 (2 Low)
*2
18/01/2025
04:00
Wirral Tranmere
Timeseries Graph
23 (1 Low)7 (1 Low)n/m15 (2 Low)19 (2 Low)
*2
18/01/2025
04:00

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Northern Ireland

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Armagh Roadside
Timeseries Graph
n/m2 (1 Low)n/mn/mn/a 18/01/2025
04:00
Ballymena Antrim Road
Timeseries Graph
n/m2 (1 Low)n/mn/mn/m 18/01/2025
04:00
Ballymena Ballykeel
Timeseries Graph
n/m1 (1 Low)1 (1 Low)n/mn/m 18/01/2025
04:00
Belfast Centre
Timeseries Graph
39 (2 Low)4 (1 Low)1 (1 Low)9 (1 Low)14 (1 Low)
*2
18/01/2025
04:00
Belfast Stockman's Lane
Timeseries Graph
n/m12 (1 Low)n/mn/m20 (2 Low)
*1
18/01/2025
04:00
Derry Rosemount
Timeseries Graph
64 (2 Low)1 (1 Low)2 (1 Low)n/a14 (1 Low)
*1
18/01/2025
04:00
Lough Navar
Timeseries Graph
n/an/mn/mn/an/a 15/01/2025
15:00

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Scottish Borders

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Dumfries
Timeseries Graph
n/m3 (1 Low)n/mn/mn/m 18/01/2025
04:00
Eskdalemuir
Timeseries Graph
58 (2 Low)2 (1 Low)n/mn/mn/m 18/01/2025
04:00
Peebles
Timeseries Graph
31 (1 Low)4 (1 Low)n/mn/mn/m 18/01/2025
04:00

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South East

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Brighton Preston Park
Timeseries Graph
41 (2 Low)7 (1 Low)n/m16 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Chatham Roadside
Timeseries Graph
n/m4 (1 Low)n/m16 (2 Low)32 (2 Low)
*1
18/01/2025
04:00
Chilbolton Observatory
Timeseries Graph
50 (2 Low)2 (1 Low)2 (1 Low)15 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Eastbourne
Timeseries Graph
41 (2 Low)8 (1 Low)n/m15 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Horley
Timeseries Graph
n/m3 (1 Low)n/m18 (2 Low)n/a 18/01/2025
04:00
Lullington Heath
Timeseries Graph
51 (2 Low)7 (1 Low)1 (1 Low)15 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Maidstone Upper Stone Street
Timeseries Graph
n/mn/mn/m20 (2 Low)24 (2 Low)
*2
18/01/2025
04:00
Milton Keynes Civic Centre
Timeseries Graph
39 (2 Low)n/mn/m17 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
Oxford Centre Roadside
Timeseries Graph
n/m14 (1 Low)n/mn/mn/m 18/01/2025
04:00
Oxford St Ebbes
Timeseries Graph
37 (2 Low)7 (1 Low)n/m14 (2 Low)16 (1 Low)
*2
18/01/2025
04:00
Portsmouth
Timeseries Graph
43 (2 Low)12 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Portsmouth Anglesea Road
Timeseries Graph
n/m9 (1 Low)n/m15 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Reading London Road
Timeseries Graph
n/m3 (1 Low)n/mn/mn/a 18/01/2025
04:00
Reading New Town
Timeseries Graph
42 (2 Low)7 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Reading Rose Kiln Lane
Timeseries Graph
n/mn/mn/m17 (2 Low)n/m 18/01/2025
04:00
Rochester Stoke
Timeseries Graph
42 (2 Low)7 (1 Low)1 (1 Low)20 (2 Low)23 (2 Low)
*2
18/01/2025
04:00
Southampton A33
Timeseries Graph
n/m8 (1 Low)n/m19 (2 Low)37 (3 Low)
*2
18/01/2025
04:00
Southampton Centre
Timeseries Graph
40 (2 Low)10 (1 Low)2 (1 Low)13 (2 Low)16 (1 Low)
*2
18/01/2025
04:00
Storrington Roadside
Timeseries Graph
n/mn/an/mn/an/a 08/01/2025
16:00
Worthing A27 Roadside
Timeseries Graph
n/m5 (1 Low)n/m20 (2 Low)n/m 18/01/2025
04:00
Worthing East Ten Acres
Timeseries Graph
n/mn/mn/m19 (2 Low)23 (2 Low)
*2
18/01/2025
04:00

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South Wales

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Cardiff Centre
Timeseries Graph
53 (2 Low)9 (1 Low)1 (1 Low)14 (2 Low)15 (1 Low)
*1
18/01/2025
04:00
Cardiff Newport Road
Timeseries Graph
n/m20 (1 Low)n/mn/m18 (2 Low)
*1
18/01/2025
04:00
Chepstow A48
Timeseries Graph
n/mn/an/mn/a21 (2 Low)
*1
18/01/2025
04:00
Cwmbran Crownbridge
Timeseries Graph
60 (2 Low)6 (1 Low)n/mn/mn/m 18/01/2025
04:00
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 18/01/2025
04:00
Narberth
Timeseries Graph
62 (2 Low)3 (1 Low)1 (1 Low)10 (1 Low)15 (1 Low)
*2
18/01/2025
04:00
Newport
Timeseries Graph
n/m4 (1 Low)n/m15 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Port Talbot Margam
Timeseries Graph
53 (2 Low)5 (1 Low)1 (1 Low)9 (1 Low)17 (2 Low)
*3
18/01/2025
04:00
Swansea Roadside
Timeseries Graph
n/m9 (1 Low)n/m10 (1 Low)19 (2 Low)
*1
18/01/2025
04:00

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South West

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Barnstaple A39
Timeseries Graph
n/mn/mn/m11 (1 Low)14 (1 Low)
*2
18/01/2025
04:00
Bath A4 Roadside
Timeseries Graph
n/m9 (1 Low)n/mn/mn/m 18/01/2025
04:00
Bournemouth
Timeseries Graph
53 (2 Low)5 (1 Low)n/m12 (2 Low)n/m 18/01/2025
04:00
Bristol St Paul's
Timeseries Graph
48 (2 Low)8 (1 Low)n/m12 (2 Low)19 (2 Low)
*1
18/01/2025
04:00
Bristol Temple Way
Timeseries Graph
n/m4 (1 Low)n/m15 (2 Low)21 (2 Low)
*2
18/01/2025
04:00
Charlton Mackrell
Timeseries Graph
52 (2 Low)3 (1 Low)n/m13 (2 Low)15 (1 Low)
*2
18/01/2025
04:00
Christchurch Barrack Road
Timeseries Graph
n/m6 (1 Low)n/mn/an/m 18/01/2025
04:00
Exeter Roadside
Timeseries Graph
53 (2 Low)8 (1 Low)n/mn/mn/m 18/01/2025
04:00
Honiton
Timeseries Graph
55 (2 Low)5 (1 Low)n/m13 (2 Low)15 (1 Low)
*2
18/01/2025
04:00
Plymouth Centre
Timeseries Graph
51 (2 Low)7 (1 Low)n/m14 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Plymouth Tavistock Road
Timeseries Graph
n/m4 (1 Low)n/mn/mn/m 18/01/2025
03:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/mn/an/a 15/01/2025
17:00
Swindon Walcot
Timeseries Graph
47 (2 Low)14 (1 Low)n/m14 (2 Low)16 (1 Low)
*2
18/01/2025
04:00
Yarner Wood
Timeseries Graph
58 (2 Low)3 (1 Low)n/m10 (1 Low)13 (1 Low)
*2
18/01/2025
04:00

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West Ireland

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Mace Head
Timeseries Graph
71 (3 Low)n/mn/mn/mn/m 18/01/2025
04:00

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West Midlands

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Birmingham A4540 Roadside
Timeseries Graph
31 (1 Low)14 (1 Low)n/m17 (2 Low)22 (2 Low)
*2
18/01/2025
04:00
Birmingham Hall Green
Timeseries Graph
46 (2 Low)6 (1 Low)n/m14 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Birmingham Ladywood
Timeseries Graph
n/a6 (1 Low)1 (1 Low)15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Burton-on-Trent Horninglow
Timeseries Graph
42 (2 Low)13 (1 Low)n/m17 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
Cannock A5190 Roadside
Timeseries Graph
n/m8 (1 Low)n/m15 (2 Low)n/m 18/01/2025
04:00
Coventry Allesley
Timeseries Graph
42 (2 Low)6 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Coventry Binley Road
Timeseries Graph
n/m8 (1 Low)n/m15 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
Leamington Spa
Timeseries Graph
44 (2 Low)9 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Leamington Spa Rugby Road
Timeseries Graph
n/m3 (1 Low)n/m14 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Leominster
Timeseries Graph
52 (2 Low)4 (1 Low)n/mn/mn/m 18/01/2025
04:00
Oldbury Birmingham Road
Timeseries Graph
n/mn/an/mn/mn/m 05/01/2025
24:00
Shrewsbury Underdale
Timeseries Graph
n/mn/mn/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m7 (1 Low)n/m15 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Stoke-on-Trent Centre
Timeseries Graph
33 (1 Low)6 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Telford Hollinswood
Timeseries Graph
49 (2 Low)7 (1 Low)n/m13 (2 Low)16 (1 Low)
*2
18/01/2025
04:00
Walsall Woodlands
Timeseries Graph
42 (2 Low)9 (1 Low)n/mn/mn/m 18/01/2025
04:00
West Bromwich Kenrick Park
Timeseries Graph
43 (2 Low)7 (1 Low)n/mn/mn/m 18/01/2025
04:00

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Yorkshire & Humberside

Latest measured levels based on data provided by the Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Barnsley Gawber
Timeseries Graph
36 (2 Low)9 (1 Low)2 (1 Low)16 (2 Low)19 (2 Low)
*2
18/01/2025
04:00
Bradford Mayo Avenue
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 18/01/2025
03:00
Dewsbury Ashworth Grange
Timeseries Graph
32 (1 Low)19 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m10 (1 Low)n/m18 (2 Low)n/m 18/01/2025
04:00
High Muffles
Timeseries Graph
35 (2 Low)9 (1 Low)n/m16 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Hull Freetown
Timeseries Graph
17 (1 Low)23 (1 Low)1 (1 Low)23 (2 Low)27 (2 Low)
*2
18/01/2025
04:00
Hull Holderness Road
Timeseries Graph
n/m9 (1 Low)n/m23 (2 Low)27 (2 Low)
*2
18/01/2025
04:00
Immingham Woodlands Avenue
Timeseries Graph
37 (2 Low)10 (1 Low)n/m18 (2 Low)20 (2 Low)
*2
18/01/2025
04:00
Leeds Centre
Timeseries Graph
34 (2 Low)11 (1 Low)1 (1 Low)15 (2 Low)18 (2 Low)
*2
18/01/2025
04:00
Leeds Headingley Kerbside
Timeseries Graph
n/m15 (1 Low)n/mn/an/a 18/01/2025
04:00
Rotherham East Dene
Timeseries Graph
n/mn/mn/m18 (2 Low)21 (2 Low)
*2
18/01/2025
04:00
Scunthorpe Town
Timeseries Graph
n/m13 (1 Low)1 (1 Low)n/mn/a 18/01/2025
04:00
Sheffield Barnsley Road
Timeseries Graph
n/m12 (1 Low)n/m14 (2 Low)n/m 18/01/2025
04:00
Sheffield Devonshire Green
Timeseries Graph
40 (2 Low)11 (1 Low)n/m15 (2 Low)17 (2 Low)
*2
18/01/2025
04:00
Sheffield Tinsley
Timeseries Graph
42 (2 Low)10 (1 Low)n/m15 (2 Low)21 (2 Low)
*2
18/01/2025
04:00
York Bootham
Timeseries Graph
24 (1 Low)14 (1 Low)n/m20 (2 Low)23 (2 Low)
*1
18/01/2025
04:00
York Fishergate
Timeseries Graph
n/m10 (1 Low)n/m19 (2 Low)30 (2 Low)
*1
18/01/2025
04:00

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