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 9am Tue 10th Feb 2026

Filter by region:

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
51 (2 Low)n/mn/m5 (1 Low)6 (1 Low)
*2
10/02/2026
09:00
Bush Estate
Timeseries Graph
55 (2 Low)12 (1 Low)n/mn/mn/m 09/02/2026
19:00
Dumbarton Roadside
Timeseries Graph
n/m55 (1 Low)n/mn/mn/m 09/02/2026
10:00
Edinburgh Nicolson Street
Timeseries Graph
n/m38 (1 Low)n/mn/mn/m 09/02/2026
20:00
Edinburgh St Leonards
Timeseries Graph
46 (2 Low)22 (1 Low)1 (1 Low)7 (1 Low)9 (1 Low)
*2
10/02/2026
01:30
Glasgow Great Western Road
Timeseries Graph
n/m48 (1 Low)n/mn/mn/m 09/02/2026
10:00
Glasgow High Street
Timeseries Graph
n/m46 (1 Low)n/m8 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
Glasgow Kerbside
Timeseries Graph
n/m73 (2 Low)n/mn/mn/m 09/02/2026
14:00
Glasgow Townhead
Timeseries Graph
44 (2 Low)35 (1 Low)n/m7 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
Grangemouth
Timeseries Graph
n/m34 (1 Low)2 (1 Low)7 (1 Low)n/a 10/02/2026
07:15
Grangemouth Moray
Timeseries Graph
n/m54 (1 Low)n/mn/mn/m 09/02/2026
09:00
Greenock A8 Roadside
Timeseries Graph
n/m57 (1 Low)n/m7 (1 Low)10 (1 Low)
*2
10/02/2026
09:00

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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
51 (2 Low)25 (1 Low)n/m12 (2 Low)15 (1 Low)
*2
10/02/2026
09:00
Chesterfield Roadside
Timeseries Graph
n/m31 (1 Low)n/m13 (2 Low)17 (2 Low)
*2
10/02/2026
09:00
Derby St Alkmund's Way
Timeseries Graph
n/m37 (1 Low)n/m12 (2 Low)n/m 10/02/2026
09:00
Derby Stockbrook Park
Timeseries Graph
50 (2 Low)n/mn/m12 (2 Low)15 (1 Low)
*2
10/02/2026
09:00
Ladybower
Timeseries Graph
67 (3 Low)11 (1 Low)1 (1 Low)8 (1 Low)9 (1 Low)
*2
10/02/2026
06:30
Leicester A594 Roadside
Timeseries Graph
n/m39 (1 Low)n/m11 (1 Low)16 (1 Low)
*2
10/02/2026
09:00
Leicester University
Timeseries Graph
58 (2 Low)12 (1 Low)n/m10 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Lincoln Canwick Road
Timeseries Graph
n/m31 (1 Low)n/mn/mn/m 10/02/2026
08:00
Loughborough Thorpe Acre
Timeseries Graph
n/mn/mn/m11 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Mansfield Ladybrook
Timeseries Graph
n/mn/mn/m13 (2 Low)16 (1 Low)
*2
10/02/2026
09:00
Northampton Spring Park
Timeseries Graph
56 (2 Low)20 (1 Low)n/m17 (2 Low)n/m 10/02/2026
09:00
Nottingham Bilborough
Timeseries Graph
n/mn/mn/m11 (1 Low)14 (1 Low)
*2
10/02/2026
09:00
Nottingham Kenmore Gardens
Timeseries Graph
49 (2 Low)20 (1 Low)1 (1 Low)8 (1 Low)11 (1 Low)
*2
09/02/2026
14:15
Nottingham Western Boulevard
Timeseries Graph
n/m26 (1 Low)n/m12 (2 Low)16 (1 Low)
*2
10/02/2026
09:00
Tallington
Timeseries Graph
52 (2 Low)n/mn/m15 (2 Low)18 (2 Low)
*2
10/02/2026
09:00
Toft Newton
Timeseries Graph
62 (2 Low)15 (1 Low)n/m15 (2 Low)17 (2 Low)
*2
10/02/2026
09:00

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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/m34 (1 Low)n/m11 (1 Low)14 (1 Low)
*2
10/02/2026
09:00
Cambridge King's Hedges
Timeseries Graph
n/mn/mn/m12 (2 Low)15 (1 Low)
*2
10/02/2026
09:00
Cambridge Roadside
Timeseries Graph
n/m36 (1 Low)n/mn/mn/m 09/02/2026
10:00
Luton A505 Roadside
Timeseries Graph
n/m45 (1 Low)n/m13 (2 Low)n/m 10/02/2026
09:00
Norwich Lakenfields
Timeseries Graph
41 (2 Low)24 (1 Low)n/m17 (2 Low)22 (2 Low)
*2
10/02/2026
09:00
Peterborough Garton End
Timeseries Graph
n/mn/mn/m13 (2 Low)16 (1 Low)
*2
10/02/2026
09:00
Sibton
Timeseries Graph
51 (2 Low)n/mn/m12 (2 Low)16 (1 Low)
*2
10/02/2026
08:00
Southend Shoeburyness
Timeseries Graph
n/mn/mn/m11 (1 Low)14 (1 Low)
*2
10/02/2026
08:00
Southend-on-Sea
Timeseries Graph
43 (2 Low)24 (1 Low)n/m12 (2 Low)16 (1 Low)
*2
10/02/2026
08:00
St Osyth
Timeseries Graph
50 (2 Low)15 (1 Low)n/m11 (1 Low)14 (1 Low)
*2
10/02/2026
09:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m44 (1 Low)n/m13 (2 Low)19 (2 Low)
*1
10/02/2026
09:00
Thurrock
Timeseries Graph
39 (2 Low)34 (1 Low)4 (1 Low)11 (1 Low)17 (2 Low)
*2
10/02/2026
08:00
Weybourne
Timeseries Graph
n/an/mn/m17 (2 Low)22 (2 Low)
*2
10/02/2026
09:00
Wicken Fen
Timeseries Graph
41 (2 Low)11 (1 Low)2 (1 Low)13 (2 Low)15 (1 Low)
*2
10/02/2026
01:30

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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/m51 (1 Low)n/m11 (1 Low)20 (2 Low)
*1
10/02/2026
09:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m15 (1 Low)
*1
10/02/2026
09:00
Haringey Roadside
Timeseries Graph
n/m45 (1 Low)n/mn/mn/m 10/02/2026
09:00
London A406 N Circular
Timeseries Graph
n/mn/mn/m13 (2 Low)n/m 10/02/2026
09:00
London Bexley
Timeseries Graph
n/m33 (1 Low)n/m12 (2 Low)15 (1 Low)
*2
10/02/2026
08:00
London Bloomsbury
Timeseries Graph
48 (2 Low)37 (1 Low)2 (1 Low)10 (1 Low)14 (1 Low)
*2
09/02/2026
19:30
London Farringdon Street
Timeseries Graph
n/m44 (1 Low)n/m12 (2 Low)n/m 10/02/2026
09:00
London Haringey Priory Park South
Timeseries Graph
45 (2 Low)35 (1 Low)n/m12 (2 Low)15 (1 Low)
*2
10/02/2026
09:00
London Harlington
Timeseries Graph
48 (2 Low)22 (1 Low)n/m8 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
London Hillingdon
Timeseries Graph
29 (1 Low)42 (1 Low)n/m9 (1 Low)12 (1 Low)
*2
10/02/2026
09:00
London Honor Oak Park
Timeseries Graph
62 (2 Low)n/mn/m8 (1 Low)11 (1 Low)
*2
10/02/2026
09:00
London Marylebone Road
Timeseries Graph
43 (2 Low)45 (1 Low)2 (1 Low)14 (2 Low)20 (2 Low)
*1
09/02/2026
17:15
London N. Kensington
Timeseries Graph
61 (2 Low)27 (1 Low)3 (1 Low)9 (1 Low)12 (1 Low)
*2
10/02/2026
05:15
London Norbury Manor School
Timeseries Graph
n/mn/mn/m9 (1 Low)11 (1 Low)
*2
10/02/2026
09:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m8 (1 Low)12 (1 Low)
*2
10/02/2026
09:00
London Westminster
Timeseries Graph
54 (2 Low)23 (1 Low)n/mn/mn/m 09/02/2026
10:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m39 (1 Low)n/mn/m20 (2 Low)
*1
10/02/2026
09:00

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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
51 (2 Low)20 (1 Low)n/mn/mn/m 09/02/2026
20:00
Inverness
Timeseries Graph
n/m42 (1 Low)n/m6 (1 Low)9 (1 Low)
*2
10/02/2026
07:00
Lerwick
Timeseries Graph
75 (3 Low)n/mn/mn/mn/m 09/02/2026
19:00
Strathvaich
Timeseries Graph
65 (2 Low)n/mn/mn/mn/m 09/02/2026
17:00

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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
55 (2 Low)34 (1 Low)n/m26 (3 Low)65 (5 Moderate)
*2
10/02/2026
07:00
Kielder Water
Timeseries Graph
50 (2 Low)n/mn/m11 (1 Low)12 (1 Low)
*2
10/02/2026
09:00
Middlesbrough
Timeseries Graph
62 (2 Low)20 (1 Low)2 (1 Low)8 (1 Low)12 (1 Low)
*1
10/02/2026
08:30
Newcastle Centre
Timeseries Graph
49 (2 Low)42 (1 Low)n/m13 (2 Low)22 (2 Low)
*1
10/02/2026
09:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m56 (1 Low)n/mn/an/a 09/02/2026
24:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m45 (1 Low)n/m8 (1 Low)n/m 10/02/2026
09:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m31 (1 Low)n/m11 (1 Low)17 (2 Low)
*1
10/02/2026
09:00
Sunderland Silksworth
Timeseries Graph
51 (2 Low)22 (1 Low)n/m15 (2 Low)21 (2 Low)
*2
10/02/2026
09:00
Sunderland Wessington Way
Timeseries Graph
n/m35 (1 Low)n/m16 (2 Low)n/m 10/02/2026
09:00

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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
46 (2 Low)41 (1 Low)n/m13 (2 Low)22 (2 Low)
*2
10/02/2026
09:00
Aberdeen Wellington Road
Timeseries Graph
n/m28 (1 Low)n/mn/mn/m 09/02/2026
15:00
Dundee Mains Loan
Timeseries Graph
n/m13 (1 Low)n/mn/mn/m 09/02/2026
10:00
Perth Glasgow Road
Timeseries Graph
n/m35 (1 Low)n/mn/mn/m 09/02/2026
10:00

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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
64 (2 Low)7 (1 Low)n/mn/mn/m 09/02/2026
19:00
Wrexham
Timeseries Graph
n/m29 (1 Low)2 (1 Low)9 (1 Low)11 (1 Low)
*2
10/02/2026
09:00

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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/m47 (1 Low)n/m10 (1 Low)n/m 10/02/2026
09:00
Blackburn Accrington Road
Timeseries Graph
n/m34 (1 Low)n/mn/mn/m 09/02/2026
10:00
Blackburn Audley Park
Timeseries Graph
61 (2 Low)n/mn/m9 (1 Low)11 (1 Low)
*2
10/02/2026
09:00
Blackpool Marton
Timeseries Graph
53 (2 Low)15 (1 Low)n/m9 (1 Low)11 (1 Low)
*2
10/02/2026
09:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m8 (1 Low)n/m 10/02/2026
09:00
Bury Whitefield Roadside
Timeseries Graph
n/m24 (1 Low)n/mn/m12 (1 Low)
*1
09/02/2026
10:00
Carlisle Morton A595
Timeseries Graph
n/m23 (1 Low)n/m5 (1 Low)8 (1 Low)
*1
10/02/2026
08:00
Crewe Coppenhall
Timeseries Graph
55 (2 Low)15 (1 Low)n/m10 (1 Low)12 (1 Low)
*2
10/02/2026
09:00
Glazebury
Timeseries Graph
59 (2 Low)14 (1 Low)n/m8 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
Liverpool Speke
Timeseries Graph
57 (2 Low)18 (1 Low)1 (1 Low)8 (1 Low)14 (1 Low)
*1
09/02/2026
09:15
Liverpool Thirlmere Park
Timeseries Graph
52 (2 Low)n/mn/m9 (1 Low)12 (1 Low)
*2
10/02/2026
09:00
Manchester Piccadilly
Timeseries Graph
43 (2 Low)45 (1 Low)7 (1 Low)12 (2 Low)14 (1 Low)
*2
09/02/2026
13:15
Manchester Sharston
Timeseries Graph
63 (2 Low)19 (1 Low)n/m9 (1 Low)12 (1 Low)
*2
10/02/2026
08:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m10 (1 Low)n/m 10/02/2026
09:00
Preston
Timeseries Graph
56 (2 Low)24 (1 Low)n/m8 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
Salford Eccles
Timeseries Graph
54 (2 Low)33 (1 Low)n/m11 (1 Low)16 (1 Low)
*2
10/02/2026
09:00
Shaw Crompton Way
Timeseries Graph
n/m42 (1 Low)n/mn/mn/m 10/02/2026
09:00
St Helens Linkway
Timeseries Graph
n/m58 (1 Low)n/mn/m11 (1 Low)
*1
09/02/2026
10:00
Tameside A635 Manchester Road
Timeseries Graph
n/mn/mn/m9 (1 Low)n/m 10/02/2026
09:00
Warrington
Timeseries Graph
n/m28 (1 Low)n/m8 (1 Low)15 (1 Low)
*1
10/02/2026
09:00
Widnes Milton Road
Timeseries Graph
n/m44 (1 Low)n/mn/mn/m 09/02/2026
10:00
Wigan Centre
Timeseries Graph
48 (2 Low)29 (1 Low)n/m10 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Wirral Tranmere
Timeseries Graph
54 (2 Low)23 (1 Low)n/m9 (1 Low)11 (1 Low)
*2
10/02/2026
09:00

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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/m68 (2 Low)n/mn/mn/a 09/02/2026
10:00
Ballymena Antrim Road
Timeseries Graph
n/m26 (1 Low)n/mn/mn/m 09/02/2026
10:00
Ballymena Ballykeel
Timeseries Graph
n/m21 (1 Low)2 (1 Low)n/mn/m 09/02/2026
12:45
Belfast Centre
Timeseries Graph
44 (2 Low)37 (1 Low)2 (1 Low)11 (1 Low)18 (2 Low)
*2
10/02/2026
08:00
Belfast Stockman's Lane
Timeseries Graph
n/m60 (1 Low)n/mn/m15 (1 Low)
*1
09/02/2026
11:00
Derry Rosemount
Timeseries Graph
35 (2 Low)48 (1 Low)3 (1 Low)7 (1 Low)12 (1 Low)
*1
10/02/2026
02:45
Lough Navar
Timeseries Graph
54 (2 Low)n/mn/m6 (1 Low)8 (1 Low)
*2
10/02/2026
09:00

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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/m49 (1 Low)n/mn/mn/m 09/02/2026
10:00
Eskdalemuir
Timeseries Graph
58 (2 Low)6 (1 Low)n/mn/mn/m 09/02/2026
10:00
Peebles
Timeseries Graph
50 (2 Low)11 (1 Low)n/mn/mn/m 09/02/2026
18:00

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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/mn/mn/m10 (1 Low)n/m 10/02/2026
09:00
Brighton Preston Park
Timeseries Graph
56 (2 Low)17 (1 Low)n/m9 (1 Low)13 (1 Low)
*2
10/02/2026
08:00
Chatham Roadside
Timeseries Graph
n/m21 (1 Low)n/m8 (1 Low)17 (2 Low)
*1
10/02/2026
07:00
Chilbolton Observatory
Timeseries Graph
70 (3 Low)10 (1 Low)3 (1 Low)5 (1 Low)7 (1 Low)
*2
10/02/2026
00:15
Eastbourne
Timeseries Graph
51 (2 Low)22 (1 Low)n/m10 (1 Low)14 (1 Low)
*2
10/02/2026
07:00
Farnborough Cherrywood
Timeseries Graph
n/mn/mn/m8 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
Horley
Timeseries Graph
n/m17 (1 Low)n/m9 (1 Low)12 (1 Low)
*2
10/02/2026
09:00
Lullington Heath
Timeseries Graph
64 (2 Low)12 (1 Low)2 (1 Low)9 (1 Low)12 (1 Low)
*2
09/02/2026
23:15
Maidstone Upper Stone Street
Timeseries Graph
n/mn/mn/m10 (1 Low)13 (1 Low)
*2
10/02/2026
07:00
Milton Keynes Civic Centre
Timeseries Graph
56 (2 Low)n/mn/m11 (1 Low)14 (1 Low)
*2
10/02/2026
09:00
Oxford Centre Roadside
Timeseries Graph
n/mn/an/mn/mn/m 19/08/2025
16:00
Oxford St Ebbes
Timeseries Graph
61 (2 Low)11 (1 Low)n/m8 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
Portsmouth
Timeseries Graph
64 (2 Low)32 (1 Low)n/m7 (1 Low)11 (1 Low)
*2
10/02/2026
08:00
Portsmouth Anglesea Road
Timeseries Graph
n/m67 (1 Low)n/m9 (1 Low)14 (1 Low)
*2
10/02/2026
06:00
Reading London Road
Timeseries Graph
n/m24 (1 Low)n/mn/m13 (1 Low)
*1
10/02/2026
09:00
Reading New Town
Timeseries Graph
54 (2 Low)21 (1 Low)n/m8 (1 Low)10 (1 Low)
*2
10/02/2026
09:00
Reading Rose Kiln Lane
Timeseries Graph
n/mn/mn/m8 (1 Low)n/m 10/02/2026
09:00
Rochester Stoke
Timeseries Graph
48 (2 Low)13 (1 Low)3 (1 Low)12 (2 Low)14 (1 Low)
*2
09/02/2026
23:30
Slough Windmill Bath Road
Timeseries Graph
n/mn/mn/m9 (1 Low)13 (1 Low)
*2
10/02/2026
08:00
Southampton A33
Timeseries Graph
n/m69 (2 Low)n/m6 (1 Low)10 (1 Low)
*2
10/02/2026
07:00
Southampton Centre
Timeseries Graph
54 (2 Low)47 (1 Low)2 (1 Low)7 (1 Low)11 (1 Low)
*2
09/02/2026
16:30
Storrington Roadside
Timeseries Graph
n/m26 (1 Low)n/m11 (1 Low)16 (1 Low)
*2
10/02/2026
09:00
Worthing A27 Roadside
Timeseries Graph
n/m38 (1 Low)n/m12 (2 Low)n/m 10/02/2026
08:00
Worthing East Ten Acres
Timeseries Graph
n/mn/mn/m10 (1 Low)19 (2 Low)
*2
10/02/2026
07:00

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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
64 (2 Low)41 (1 Low)2 (1 Low)8 (1 Low)10 (1 Low)
*1
10/02/2026
03:15
Cardiff Newport Road
Timeseries Graph
n/m33 (1 Low)n/mn/m15 (1 Low)
*1
10/02/2026
09:00
Chepstow A48
Timeseries Graph
n/m43 (1 Low)n/mn/a13 (1 Low)
*1
05/02/2026
24:00
Cwmbran Crownbridge
Timeseries Graph
67 (3 Low)20 (1 Low)n/mn/mn/m 09/02/2026
19:00
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/m55 (1 Low)n/mn/mn/m 10/02/2026
09:00
Narberth
Timeseries Graph
74 (3 Low)7 (1 Low)2 (1 Low)4 (1 Low)7 (1 Low)
*2
10/02/2026
00:30
Newport
Timeseries Graph
n/m23 (1 Low)n/m5 (1 Low)8 (1 Low)
*2
10/02/2026
06:00
Port Talbot Margam
Timeseries Graph
69 (3 Low)41 (1 Low)2 (1 Low)4 (1 Low)7 (1 Low)
*3
09/02/2026
16:45
Swansea Roadside
Timeseries Graph
n/m33 (1 Low)n/m6 (1 Low)10 (1 Low)
*1
09/02/2026
24:00

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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/mn/mn/m4 (1 Low)6 (1 Low)
*2
10/02/2026
01:00
Bath A4 Roadside
Timeseries Graph
n/m44 (1 Low)n/mn/mn/m 10/02/2026
09:00
Bournemouth
Timeseries Graph
68 (3 Low)10 (1 Low)n/m7 (1 Low)n/m 10/02/2026
08:00
Bristol Patchway
Timeseries Graph
n/mn/mn/m4 (1 Low)6 (1 Low)
*2
10/02/2026
05:00
Bristol St Paul's
Timeseries Graph
61 (2 Low)40 (1 Low)n/m5 (1 Low)11 (1 Low)
*1
10/02/2026
02:00
Bristol Temple Way
Timeseries Graph
n/m60 (1 Low)n/m5 (1 Low)7 (1 Low)
*2
10/02/2026
05:00
Charlton Mackrell
Timeseries Graph
69 (3 Low)6 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
10/02/2026
03:00
Cheltenham A40 Gloucester Road
Timeseries Graph
n/mn/mn/m4 (1 Low)n/m 10/02/2026
07:00
Christchurch Barrack Road
Timeseries Graph
n/m14 (1 Low)n/m7 (1 Low)n/m 10/02/2026
06:00
Exeter Roadside
Timeseries Graph
n/an/an/mn/mn/m 07/02/2026
07:00
Gloucester Tredworth
Timeseries Graph
n/mn/mn/m6 (1 Low)8 (1 Low)
*2
10/02/2026
06:00
Honiton
Timeseries Graph
80 (3 Low)8 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
10/02/2026
01:00
Plymouth Centre
Timeseries Graph
79 (3 Low)42 (1 Low)n/m8 (1 Low)19 (2 Low)
*2
09/02/2026
24:00
Plymouth Tavistock Road
Timeseries Graph
n/m35 (1 Low)n/mn/mn/m 10/02/2026
08:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m5 (1 Low)16 (1 Low)
*1
09/02/2026
24:00
Swindon Walcot
Timeseries Graph
71 (3 Low)16 (1 Low)n/m6 (1 Low)8 (1 Low)
*2
10/02/2026
01:00
Yarner Wood
Timeseries Graph
77 (3 Low)11 (1 Low)n/m5 (1 Low)7 (1 Low)
*2
09/02/2026
24:00

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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
61 (2 Low)n/mn/mn/mn/m 09/02/2026
19:00

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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
42 (2 Low)35 (1 Low)n/m11 (1 Low)14 (1 Low)
*2
10/02/2026
09:00
Birmingham Hall Green
Timeseries Graph
63 (2 Low)17 (1 Low)n/m9 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Birmingham Ladywood
Timeseries Graph
56 (2 Low)46 (1 Low)1 (1 Low)11 (1 Low)13 (1 Low)
*2
10/02/2026
07:45
Birmingham University
Timeseries Graph
n/mn/mn/m12 (2 Low)14 (1 Low)
*2
10/02/2026
09:00
Burton-on-Trent Horninglow
Timeseries Graph
54 (2 Low)19 (1 Low)n/m11 (1 Low)14 (1 Low)
*2
10/02/2026
09:00
Cannock A5190 Roadside
Timeseries Graph
n/m36 (1 Low)n/m11 (1 Low)n/m 10/02/2026
09:00
Coventry Allesley
Timeseries Graph
58 (2 Low)26 (1 Low)n/m11 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Coventry Binley Road
Timeseries Graph
n/m35 (1 Low)n/m11 (1 Low)16 (1 Low)
*2
10/02/2026
09:00
Leamington Spa
Timeseries Graph
62 (2 Low)22 (1 Low)n/m10 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Leamington Spa Rugby Road
Timeseries Graph
n/m26 (1 Low)n/m11 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Leominster
Timeseries Graph
67 (3 Low)9 (1 Low)n/mn/mn/m 09/02/2026
20:00
Oldbury Birmingham Road
Timeseries Graph
n/m42 (1 Low)n/m12 (2 Low)15 (1 Low)
*2
10/02/2026
09:00
Shrewsbury Underdale
Timeseries Graph
n/mn/mn/m9 (1 Low)11 (1 Low)
*2
10/02/2026
09:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m62 (1 Low)n/m12 (2 Low)16 (1 Low)
*2
10/02/2026
09:00
Stoke-on-Trent Centre
Timeseries Graph
50 (2 Low)21 (1 Low)n/m11 (1 Low)13 (1 Low)
*2
10/02/2026
09:00
Telford Hollinswood
Timeseries Graph
63 (2 Low)29 (1 Low)n/m9 (1 Low)12 (1 Low)
*2
10/02/2026
09:00
Walsall Caldmore
Timeseries Graph
n/mn/mn/m12 (2 Low)15 (1 Low)
*2
10/02/2026
09:00
Walsall Woodlands
Timeseries Graph
56 (2 Low)23 (1 Low)n/mn/mn/m 09/02/2026
17:00
West Bromwich Kenrick Park
Timeseries Graph
53 (2 Low)32 (1 Low)n/mn/mn/m 09/02/2026
10:00
Worcester Tolladine
Timeseries Graph
n/mn/mn/m9 (1 Low)11 (1 Low)
*2
10/02/2026
09:00

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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
55 (2 Low)43 (1 Low)3 (1 Low)9 (1 Low)11 (1 Low)
*2
08/02/2026
15:30
Bradford Mayo Avenue
Timeseries Graph
n/m71 (2 Low)n/mn/mn/m 09/02/2026
16:00
Bradford Shipley Airedale Road
Timeseries Graph
n/mn/mn/m13 (2 Low)20 (2 Low)
*2
10/02/2026
09:00
Dewsbury Ashworth Grange
Timeseries Graph
49 (2 Low)39 (1 Low)n/m12 (2 Low)17 (2 Low)
*2
10/02/2026
07:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m41 (1 Low)n/m15 (2 Low)n/m 10/02/2026
09:00
Harrogate Woodlands
Timeseries Graph
n/mn/mn/m14 (2 Low)16 (1 Low)
*2
10/02/2026
09:00
High Muffles
Timeseries Graph
n/an/an/mn/an/a 06/02/2026
24:00
Hull Freetown
Timeseries Graph
44 (2 Low)31 (1 Low)2 (1 Low)19 (2 Low)26 (2 Low)
*2
09/02/2026
12:00
Hull Holderness Road
Timeseries Graph
n/m34 (1 Low)n/m19 (2 Low)25 (2 Low)
*2
10/02/2026
09:00
Immingham Woodlands Avenue
Timeseries Graph
48 (2 Low)32 (1 Low)n/m18 (2 Low)23 (2 Low)
*2
10/02/2026
09:00
Leeds Centre
Timeseries Graph
45 (2 Low)36 (1 Low)3 (1 Low)14 (2 Low)17 (2 Low)
*2
09/02/2026
12:45
Leeds Headingley Kerbside
Timeseries Graph
n/m53 (1 Low)n/m15 (2 Low)23 (2 Low)
*1
10/02/2026
09:00
Rotherham East Dene
Timeseries Graph
n/mn/mn/m14 (2 Low)17 (2 Low)
*2
10/02/2026
09:00
Scunthorpe Town
Timeseries Graph
n/m26 (1 Low)8 (1 Low)18 (2 Low)52 (4 Moderate)
*1
09/02/2026
22:00
Sheffield Barnsley Road
Timeseries Graph
n/m51 (1 Low)n/m16 (2 Low)n/m 10/02/2026
08:00
Sheffield Devonshire Green
Timeseries Graph
42 (2 Low)36 (1 Low)n/m12 (2 Low)15 (1 Low)
*2
10/02/2026
09:00
Sheffield Tinsley
Timeseries Graph
47 (2 Low)42 (1 Low)n/m11 (1 Low)15 (1 Low)
*2
10/02/2026
09:00
Wakefield Alverthorpe
Timeseries Graph
n/mn/mn/m14 (2 Low)18 (2 Low)
*2
10/02/2026
09:00
York Bootham
Timeseries Graph
46 (2 Low)16 (1 Low)n/m15 (2 Low)22 (2 Low)
*1
10/02/2026
09:00
York Fishergate
Timeseries Graph
n/m33 (1 Low)n/m10 (1 Low)22 (2 Low)
*1
10/02/2026
09:00

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