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 4pm Thu 23rd 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
61 (2 Low)n/mn/m3 (1 Low)4 (1 Low)
*2
23/01/2025
16:00
Bush Estate
Timeseries Graph
46 (2 Low)6 (1 Low)n/mn/mn/m 23/01/2025
16:00
Dumbarton Roadside
Timeseries Graph
n/m11 (1 Low)n/mn/mn/m 23/01/2025
16:00
Edinburgh Nicolson Street
Timeseries Graph
n/mn/an/mn/mn/m 21/01/2025
01:00
Edinburgh St Leonards
Timeseries Graph
40 (2 Low)10 (1 Low)3 (1 Low)6 (1 Low)8 (1 Low)
*2
23/01/2025
16:00
Glasgow Great Western Road
Timeseries Graph
n/m53 (1 Low)n/mn/mn/m 23/01/2025
16:00
Glasgow High Street
Timeseries Graph
n/m41 (1 Low)n/m8 (1 Low)11 (1 Low)
*2
23/01/2025
16:00
Glasgow Kerbside
Timeseries Graph
n/m66 (1 Low)n/mn/mn/m 23/01/2025
16:00
Glasgow Townhead
Timeseries Graph
36 (2 Low)34 (1 Low)n/m8 (1 Low)12 (1 Low)
*2
23/01/2025
16:00
Grangemouth
Timeseries Graph
n/m17 (1 Low)3 (1 Low)9 (1 Low)10 (1 Low)
*1
23/01/2025
16:00
Grangemouth Moray
Timeseries Graph
n/m20 (1 Low)n/mn/mn/m 23/01/2025
16:00
Greenock A8 Roadside
Timeseries Graph
n/m25 (1 Low)n/m9 (1 Low)15 (1 Low)
*2
23/01/2025
16:00

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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
49 (2 Low)7 (1 Low)n/m12 (2 Low)14 (1 Low)
*2
23/01/2025
16:00
Chesterfield Roadside
Timeseries Graph
n/m18 (1 Low)n/m14 (2 Low)16 (1 Low)
*2
23/01/2025
16:00
Derby St Alkmund's Way
Timeseries Graph
n/m51 (1 Low)n/m16 (2 Low)n/m 23/01/2025
16:00
Derby Stockbrook Park
Timeseries Graph
51 (2 Low)n/mn/m14 (2 Low)16 (1 Low)
*2
23/01/2025
16:00
Ladybower
Timeseries Graph
53 (2 Low)n/an/a10 (1 Low)11 (1 Low)
*2
23/01/2025
16:00
Leicester A594 Roadside
Timeseries Graph
n/m41 (1 Low)n/m17 (2 Low)22 (2 Low)
*2
23/01/2025
16:00
Leicester University
Timeseries Graph
50 (2 Low)25 (1 Low)n/m16 (2 Low)19 (2 Low)
*2
23/01/2025
16:00
Lincoln Canwick Road
Timeseries Graph
n/m19 (1 Low)n/mn/mn/m 23/01/2025
16:00
Mansfield Ladybrook
Timeseries Graph
n/mn/mn/m17 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Northampton Spring Park
Timeseries Graph
55 (2 Low)11 (1 Low)n/m18 (2 Low)n/m 23/01/2025
16:00
Nottingham Kenmore Gardens
Timeseries Graph
45 (2 Low)20 (1 Low)2 (1 Low)18 (2 Low)22 (2 Low)
*2
23/01/2025
16:00
Nottingham Western Boulevard
Timeseries Graph
n/m46 (1 Low)n/m16 (2 Low)18 (2 Low)
*2
23/01/2025
16:00
Tallington
Timeseries Graph
52 (2 Low)n/mn/m17 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Toft Newton
Timeseries Graph
50 (2 Low)6 (1 Low)n/m15 (2 Low)17 (2 Low)
*2
23/01/2025
16:00

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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/m9 (1 Low)n/m15 (2 Low)18 (2 Low)
*2
23/01/2025
16:00
Cambridge Roadside
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 23/01/2025
16:00
Luton A505 Roadside
Timeseries Graph
n/m9 (1 Low)n/m15 (2 Low)n/m 23/01/2025
16:00
Norwich Lakenfields
Timeseries Graph
44 (2 Low)11 (1 Low)n/m18 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Peterborough Garton End
Timeseries Graph
n/mn/mn/m19 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Sibton
Timeseries Graph
46 (2 Low)n/mn/m19 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Southend-on-Sea
Timeseries Graph
52 (2 Low)11 (1 Low)n/m18 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
St Osyth
Timeseries Graph
61 (2 Low)7 (1 Low)n/m20 (2 Low)23 (2 Low)
*2
23/01/2025
16:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m18 (1 Low)n/m19 (2 Low)18 (2 Low)
*1
23/01/2025
16:00
Thurrock
Timeseries Graph
60 (2 Low)17 (1 Low)3 (1 Low)15 (2 Low)18 (2 Low)
*2
23/01/2025
16:00
Weybourne
Timeseries Graph
44 (2 Low)n/mn/m18 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Wicken Fen
Timeseries Graph
46 (2 Low)10 (1 Low)3 (1 Low)19 (2 Low)22 (2 Low)
*2
23/01/2025
16:00

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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/m37 (1 Low)n/m20 (2 Low)26 (2 Low)
*1
23/01/2025
16:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m23 (2 Low)
*1
23/01/2025
16:00
Haringey Roadside
Timeseries Graph
n/m26 (1 Low)n/mn/mn/m 23/01/2025
16:00
London Bexley
Timeseries Graph
n/m13 (1 Low)n/m17 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
London Bloomsbury
Timeseries Graph
46 (2 Low)29 (1 Low)2 (1 Low)15 (2 Low)19 (2 Low)
*2
23/01/2025
16:00
London Haringey Priory Park South
Timeseries Graph
n/a19 (1 Low)n/mn/mn/m 23/01/2025
16:00
London Harlington
Timeseries Graph
n/a25 (1 Low)n/m14 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
London Hillingdon
Timeseries Graph
30 (1 Low)27 (1 Low)n/m16 (2 Low)25 (2 Low)
*2
23/01/2025
16:00
London Honor Oak Park
Timeseries Graph
67 (3 Low)n/mn/m14 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
London Marylebone Road
Timeseries Graph
23 (1 Low)63 (1 Low)n/a18 (2 Low)26 (2 Low)
*1
23/01/2025
16:00
London N. Kensington
Timeseries Graph
55 (2 Low)20 (1 Low)2 (1 Low)15 (2 Low)18 (2 Low)
*2
23/01/2025
16:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m14 (2 Low)18 (2 Low)
*2
23/01/2025
16:00
London Westminster
Timeseries Graph
50 (2 Low)24 (1 Low)n/m16 (2 Low)n/m 23/01/2025
16:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m15 (1 Low)n/mn/mn/a 23/01/2025
16:00
Tower Hamlets Roadside
Timeseries Graph
n/m24 (1 Low)n/mn/mn/m 23/01/2025
16:00

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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
49 (2 Low)15 (1 Low)n/mn/mn/m 23/01/2025
16:00
Inverness
Timeseries Graph
n/m27 (1 Low)n/m5 (1 Low)6 (1 Low)
*2
23/01/2025
16:00
Lerwick
Timeseries Graph
63 (2 Low)n/mn/mn/mn/m 23/01/2025
16:00
Strathvaich
Timeseries Graph
62 (2 Low)n/mn/mn/mn/m 23/01/2025
16:00

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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
n/an/an/m10 (1 Low)12 (1 Low)
*2
23/01/2025
16:00
Kielder Water
Timeseries Graph
29 (1 Low)n/mn/m4 (1 Low)5 (1 Low)
*2
23/01/2025
16:00
Middlesbrough
Timeseries Graph
39 (2 Low)17 (1 Low)3 (1 Low)10 (1 Low)12 (1 Low)
*1
23/01/2025
16:00
Newcastle Centre
Timeseries Graph
20 (1 Low)n/an/m10 (1 Low)11 (1 Low)
*1
23/01/2025
16:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/mn/an/m11 (1 Low)16 (1 Low)
*2
23/01/2025
16:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m23 (1 Low)n/mn/an/m 23/01/2025
16:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m18 (1 Low)n/mn/an/a 23/01/2025
16:00
Sunderland Silksworth
Timeseries Graph
41 (2 Low)21 (1 Low)n/m12 (2 Low)14 (1 Low)
*2
23/01/2025
16:00
Sunderland Wessington Way
Timeseries Graph
n/m30 (1 Low)n/m14 (2 Low)n/m 23/01/2025
16:00

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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
35 (2 Low)48 (1 Low)n/m6 (1 Low)8 (1 Low)
*2
23/01/2025
16:00
Aberdeen Wellington Road
Timeseries Graph
n/m28 (1 Low)n/mn/mn/m 23/01/2025
16:00
Dundee Mains Loan
Timeseries Graph
n/m20 (1 Low)n/mn/mn/m 23/01/2025
16:00
Perth Glasgow Road
Timeseries Graph
n/m45 (1 Low)n/mn/mn/m 23/01/2025
16:00

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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
72 (3 Low)2 (1 Low)n/mn/mn/m 23/01/2025
16:00
Wrexham
Timeseries Graph
n/m8 (1 Low)2 (1 Low)6 (1 Low)8 (1 Low)
*2
23/01/2025
16:00

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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/m19 (1 Low)n/m8 (1 Low)n/m 23/01/2025
16:00
Blackburn Accrington Road
Timeseries Graph
n/m23 (1 Low)n/mn/mn/m 23/01/2025
16:00
Blackburn Audley Park
Timeseries Graph
50 (2 Low)n/mn/m9 (1 Low)10 (1 Low)
*2
23/01/2025
16:00
Blackpool Marton
Timeseries Graph
49 (2 Low)10 (1 Low)n/m7 (1 Low)9 (1 Low)
*2
23/01/2025
16:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m10 (1 Low)n/m 23/01/2025
16:00
Bury Whitefield Roadside
Timeseries Graph
n/m31 (1 Low)n/mn/m21 (2 Low)
*1
23/01/2025
16:00
Carlisle Morton A595
Timeseries Graph
n/m14 (1 Low)n/m12 (2 Low)11 (1 Low)
*1
23/01/2025
16:00
Crewe Coppenhall
Timeseries Graph
n/a5 (1 Low)n/m14 (2 Low)16 (1 Low)
*2
23/01/2025
16:00
Glazebury
Timeseries Graph
50 (2 Low)14 (1 Low)n/m11 (1 Low)14 (1 Low)
*2
23/01/2025
16:00
Liverpool Speke
Timeseries Graph
52 (2 Low)10 (1 Low)2 (1 Low)11 (1 Low)12 (1 Low)
*1
23/01/2025
16:00
Manchester Piccadilly
Timeseries Graph
32 (1 Low)34 (1 Low)2 (1 Low)14 (2 Low)19 (2 Low)
*2
23/01/2025
16:00
Manchester Sharston
Timeseries Graph
44 (2 Low)33 (1 Low)n/m14 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m15 (2 Low)n/m 23/01/2025
16:00
Preston
Timeseries Graph
51 (2 Low)21 (1 Low)n/m8 (1 Low)9 (1 Low)
*2
23/01/2025
16:00
Salford Eccles
Timeseries Graph
36 (2 Low)22 (1 Low)n/m17 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Shaw Crompton Way
Timeseries Graph
n/m48 (1 Low)n/mn/mn/m 23/01/2025
16:00
St Helens Linkway
Timeseries Graph
n/m29 (1 Low)n/mn/m14 (1 Low)
*1
23/01/2025
16:00
Warrington
Timeseries Graph
n/m21 (1 Low)n/m10 (1 Low)14 (1 Low)
*1
23/01/2025
16:00
Widnes Milton Road
Timeseries Graph
n/m38 (1 Low)n/mn/mn/m 23/01/2025
16:00
Wigan Centre
Timeseries Graph
n/a12 (1 Low)n/m9 (1 Low)12 (1 Low)
*2
23/01/2025
16:00
Wirral Tranmere
Timeseries Graph
58 (2 Low)7 (1 Low)n/m8 (1 Low)10 (1 Low)
*2
23/01/2025
16:00

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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/m61 (1 Low)n/mn/m13 (1 Low)
*1
23/01/2025
16:00
Ballymena Antrim Road
Timeseries Graph
n/m32 (1 Low)n/mn/mn/m 23/01/2025
16:00
Ballymena Ballykeel
Timeseries Graph
n/m8 (1 Low)1 (1 Low)n/mn/m 23/01/2025
16:00
Belfast Centre
Timeseries Graph
64 (2 Low)17 (1 Low)2 (1 Low)6 (1 Low)8 (1 Low)
*2
23/01/2025
16:00
Belfast Stockman's Lane
Timeseries Graph
n/mn/an/mn/m12 (1 Low)
*1
23/01/2025
16:00
Derry Rosemount
Timeseries Graph
68 (3 Low)12 (1 Low)3 (1 Low)6 (1 Low)8 (1 Low)
*1
23/01/2025
16:00
Lough Navar
Timeseries Graph
68 (3 Low)n/mn/m2 (1 Low)3 (1 Low)
*2
23/01/2025
16:00

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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/m63 (1 Low)n/mn/mn/m 23/01/2025
16:00
Eskdalemuir
Timeseries Graph
51 (2 Low)4 (1 Low)n/mn/mn/m 23/01/2025
16:00
Peebles
Timeseries Graph
52 (2 Low)20 (1 Low)n/mn/mn/m 23/01/2025
16:00

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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
56 (2 Low)5 (1 Low)n/m17 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Chatham Roadside
Timeseries Graph
n/m22 (1 Low)n/m17 (2 Low)24 (2 Low)
*1
23/01/2025
16:00
Chilbolton Observatory
Timeseries Graph
75 (3 Low)n/a2 (1 Low)12 (2 Low)13 (1 Low)
*2
23/01/2025
16:00
Eastbourne
Timeseries Graph
72 (3 Low)3 (1 Low)n/m14 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Horley
Timeseries Graph
n/m10 (1 Low)n/mn/an/a 23/01/2025
16:00
Lullington Heath
Timeseries Graph
85 (3 Low)6 (1 Low)1 (1 Low)16 (2 Low)19 (2 Low)
*2
23/01/2025
16:00
Maidstone Upper Stone Street
Timeseries Graph
n/mn/mn/m19 (2 Low)24 (2 Low)
*2
23/01/2025
16:00
Milton Keynes Civic Centre
Timeseries Graph
59 (2 Low)n/mn/m15 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Oxford Centre Roadside
Timeseries Graph
n/m11 (1 Low)n/mn/mn/m 23/01/2025
16:00
Oxford St Ebbes
Timeseries Graph
55 (2 Low)6 (1 Low)n/m12 (2 Low)14 (1 Low)
*2
23/01/2025
16:00
Portsmouth
Timeseries Graph
64 (2 Low)11 (1 Low)n/m17 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Portsmouth Anglesea Road
Timeseries Graph
n/m30 (1 Low)n/m13 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Reading London Road
Timeseries Graph
n/m18 (1 Low)n/mn/m16 (1 Low)
*1
23/01/2025
16:00
Reading New Town
Timeseries Graph
48 (2 Low)15 (1 Low)n/m14 (2 Low)16 (1 Low)
*2
23/01/2025
16:00
Reading Rose Kiln Lane
Timeseries Graph
n/mn/mn/m15 (2 Low)n/m 23/01/2025
16:00
Rochester Stoke
Timeseries Graph
61 (2 Low)7 (1 Low)2 (1 Low)19 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Slough Windmill Bath Road
Timeseries Graph
n/mn/mn/m17 (2 Low)24 (2 Low)
*2
23/01/2025
16:00
Southampton A33
Timeseries Graph
n/m43 (1 Low)n/m15 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Southampton Centre
Timeseries Graph
n/a28 (1 Low)6 (1 Low)12 (2 Low)15 (1 Low)
*2
23/01/2025
16:00
Storrington Roadside
Timeseries Graph
n/mn/an/mn/an/a 08/01/2025
16:00
Worthing A27 Roadside
Timeseries Graph
n/m28 (1 Low)n/m21 (2 Low)n/m 23/01/2025
16:00
Worthing East Ten Acres
Timeseries Graph
n/mn/mn/m19 (2 Low)25 (2 Low)
*2
23/01/2025
16:00

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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
66 (2 Low)13 (1 Low)2 (1 Low)n/an/a 23/01/2025
16:00
Cardiff Newport Road
Timeseries Graph
n/m9 (1 Low)n/mn/mn/a 23/01/2025
16:00
Chepstow A48
Timeseries Graph
n/m29 (1 Low)n/m14 (2 Low)18 (2 Low)
*1
23/01/2025
16:00
Cwmbran Crownbridge
Timeseries Graph
64 (2 Low)n/an/mn/mn/m 23/01/2025
15:00
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/mn/an/mn/mn/m 23/01/2025
08:00
Narberth
Timeseries Graph
87 (3 Low)2 (1 Low)3 (1 Low)3 (1 Low)7 (1 Low)
*2
23/01/2025
16:00
Newport
Timeseries Graph
n/m11 (1 Low)n/m10 (1 Low)14 (1 Low)
*2
23/01/2025
16:00
Port Talbot Margam
Timeseries Graph
72 (3 Low)8 (1 Low)1 (1 Low)5 (1 Low)16 (1 Low)
*3
23/01/2025
16:00
Swansea Roadside
Timeseries Graph
n/m16 (1 Low)n/mn/an/a 23/01/2025
16:00

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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)15 (1 Low)
*2
23/01/2025
16:00
Bath A4 Roadside
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 23/01/2025
16:00
Bournemouth
Timeseries Graph
81 (3 Low)9 (1 Low)n/mn/an/m 23/01/2025
16:00
Bristol St Paul's
Timeseries Graph
64 (2 Low)11 (1 Low)n/m13 (2 Low)18 (2 Low)
*1
23/01/2025
16:00
Bristol Temple Way
Timeseries Graph
n/m16 (1 Low)n/m13 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Charlton Mackrell
Timeseries Graph
75 (3 Low)4 (1 Low)n/m9 (1 Low)11 (1 Low)
*2
23/01/2025
16:00
Christchurch Barrack Road
Timeseries Graph
n/m3 (1 Low)n/mn/an/m 23/01/2025
16:00
Exeter Roadside
Timeseries Graph
72 (3 Low)6 (1 Low)n/mn/mn/m 23/01/2025
16:00
Honiton
Timeseries Graph
76 (3 Low)5 (1 Low)n/m9 (1 Low)11 (1 Low)
*2
23/01/2025
16:00
Plymouth Centre
Timeseries Graph
78 (3 Low)7 (1 Low)n/m15 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Plymouth Tavistock Road
Timeseries Graph
n/m17 (1 Low)n/mn/mn/m 23/01/2025
15:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m11 (1 Low)23 (2 Low)
*1
23/01/2025
16:00
Swindon Walcot
Timeseries Graph
71 (3 Low)8 (1 Low)n/m12 (2 Low)15 (1 Low)
*2
23/01/2025
16:00
Yarner Wood
Timeseries Graph
82 (3 Low)2 (1 Low)n/m5 (1 Low)7 (1 Low)
*2
23/01/2025
16:00

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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
93 (3 Low)n/mn/mn/mn/m 23/01/2025
16:00

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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
39 (2 Low)34 (1 Low)n/m16 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Birmingham Hall Green
Timeseries Graph
58 (2 Low)12 (1 Low)n/m15 (2 Low)19 (2 Low)
*2
23/01/2025
16:00
Birmingham Ladywood
Timeseries Graph
n/a9 (1 Low)n/a12 (2 Low)15 (1 Low)
*2
23/01/2025
16:00
Burton-on-Trent Horninglow
Timeseries Graph
55 (2 Low)17 (1 Low)n/m14 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Cannock A5190 Roadside
Timeseries Graph
n/m14 (1 Low)n/m12 (2 Low)n/m 23/01/2025
16:00
Coventry Allesley
Timeseries Graph
48 (2 Low)14 (1 Low)n/m14 (2 Low)18 (2 Low)
*2
23/01/2025
16:00
Coventry Binley Road
Timeseries Graph
n/m25 (1 Low)n/m16 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Leamington Spa
Timeseries Graph
55 (2 Low)19 (1 Low)n/m16 (2 Low)19 (2 Low)
*2
23/01/2025
16:00
Leamington Spa Rugby Road
Timeseries Graph
n/m11 (1 Low)n/m15 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Leominster
Timeseries Graph
67 (3 Low)5 (1 Low)n/mn/mn/m 23/01/2025
16:00
Oldbury Birmingham Road
Timeseries Graph
n/mn/an/mn/mn/m 05/01/2025
24:00
Shrewsbury Underdale
Timeseries Graph
n/mn/mn/m12 (2 Low)15 (1 Low)
*2
23/01/2025
16:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m42 (1 Low)n/m14 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Stoke-on-Trent Centre
Timeseries Graph
45 (2 Low)24 (1 Low)n/m14 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
Telford Hollinswood
Timeseries Graph
62 (2 Low)10 (1 Low)n/m9 (1 Low)10 (1 Low)
*2
23/01/2025
16:00
Walsall Woodlands
Timeseries Graph
55 (2 Low)14 (1 Low)n/mn/mn/m 23/01/2025
16:00
West Bromwich Kenrick Park
Timeseries Graph
58 (2 Low)20 (1 Low)n/mn/mn/m 23/01/2025
16:00

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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
46 (2 Low)9 (1 Low)2 (1 Low)12 (2 Low)14 (1 Low)
*2
23/01/2025
16:00
Bradford Mayo Avenue
Timeseries Graph
n/m30 (1 Low)n/mn/mn/m 23/01/2025
15:00
Bradford Shipley Airedale Road
Timeseries Graph
n/mn/mn/m11 (1 Low)14 (1 Low)
*2
23/01/2025
16:00
Dewsbury Ashworth Grange
Timeseries Graph
34 (2 Low)20 (1 Low)n/m12 (2 Low)14 (1 Low)
*2
23/01/2025
16:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m48 (1 Low)n/m16 (2 Low)n/m 23/01/2025
16:00
High Muffles
Timeseries Graph
43 (2 Low)11 (1 Low)n/m6 (1 Low)7 (1 Low)
*2
23/01/2025
16:00
Hull Freetown
Timeseries Graph
34 (2 Low)33 (1 Low)2 (1 Low)15 (2 Low)18 (2 Low)
*2
23/01/2025
16:00
Hull Holderness Road
Timeseries Graph
n/m40 (1 Low)n/m16 (2 Low)20 (2 Low)
*2
23/01/2025
16:00
Immingham Woodlands Avenue
Timeseries Graph
48 (2 Low)13 (1 Low)n/m13 (2 Low)16 (1 Low)
*2
23/01/2025
16:00
Leeds Centre
Timeseries Graph
18 (1 Low)39 (1 Low)2 (1 Low)13 (2 Low)16 (1 Low)
*2
23/01/2025
16:00
Leeds Headingley Kerbside
Timeseries Graph
n/m22 (1 Low)n/m14 (2 Low)14 (1 Low)
*1
23/01/2025
16:00
Rotherham East Dene
Timeseries Graph
n/mn/mn/m17 (2 Low)21 (2 Low)
*2
23/01/2025
16:00
Scunthorpe Town
Timeseries Graph
n/m18 (1 Low)2 (1 Low)n/m21 (2 Low)
*1
23/01/2025
16:00
Sheffield Barnsley Road
Timeseries Graph
n/m58 (1 Low)n/mn/an/m 23/01/2025
16:00
Sheffield Devonshire Green
Timeseries Graph
36 (2 Low)12 (1 Low)n/m10 (1 Low)12 (1 Low)
*2
23/01/2025
16:00
Sheffield Tinsley
Timeseries Graph
31 (1 Low)28 (1 Low)n/m12 (2 Low)17 (2 Low)
*2
23/01/2025
16:00
York Bootham
Timeseries Graph
29 (1 Low)28 (1 Low)n/m14 (2 Low)14 (1 Low)
*1
23/01/2025
16:00
York Fishergate
Timeseries Graph
n/m35 (1 Low)n/m13 (2 Low)21 (2 Low)
*1
23/01/2025
16:00

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