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 8am Tue 2nd Dec 2025

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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/mn/m1 (1 Low)2 (1 Low)
*2
02/12/2025
08:00
Bush Estate
Timeseries Graph
65 (2 Low)27 (1 Low)n/mn/mn/m 02/12/2025
08:00
Dumbarton Roadside
Timeseries Graph
n/m59 (1 Low)n/mn/mn/m 01/12/2025
10:00
Edinburgh Nicolson Street
Timeseries Graph
n/m56 (1 Low)n/mn/mn/m 01/12/2025
15:00
Edinburgh St Leonards
Timeseries Graph
58 (2 Low)36 (1 Low)1 (1 Low)2 (1 Low)4 (1 Low)
*2
02/12/2025
01:30
Glasgow Great Western Road
Timeseries Graph
n/m81 (2 Low)n/mn/mn/m 01/12/2025
10:00
Glasgow High Street
Timeseries Graph
n/m63 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
02/12/2025
08:00
Glasgow Kerbside
Timeseries Graph
n/m99 (2 Low)n/mn/mn/m 01/12/2025
10:00
Glasgow Townhead
Timeseries Graph
58 (2 Low)55 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
02/12/2025
08:00
Grangemouth
Timeseries Graph
n/m41 (1 Low)3 (1 Low)6 (1 Low)7 (1 Low)
*1
02/12/2025
01:45
Grangemouth Moray
Timeseries Graph
n/m38 (1 Low)n/mn/mn/m 01/12/2025
12:00
Greenock A8 Roadside
Timeseries Graph
n/m59 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
02/12/2025
08:00

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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
74 (3 Low)8 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
Chesterfield Roadside
Timeseries Graph
n/m21 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
Derby St Alkmund's Way
Timeseries Graph
n/m66 (1 Low)n/m2 (1 Low)n/m 02/12/2025
08:00
Derby Stockbrook Park
Timeseries Graph
66 (2 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Ladybower
Timeseries Graph
78 (3 Low)5 (1 Low)3 (1 Low)1 (1 Low)2 (1 Low)
*2
01/12/2025
18:45
Leicester A594 Roadside
Timeseries Graph
n/m44 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Leicester University
Timeseries Graph
70 (3 Low)23 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Lincoln Canwick Road
Timeseries Graph
n/m32 (1 Low)n/mn/mn/m 02/12/2025
08:00
Loughborough Thorpe Acre
Timeseries Graph
n/mn/mn/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
Mansfield Ladybrook
Timeseries Graph
n/mn/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Northampton Spring Park
Timeseries Graph
71 (3 Low)20 (1 Low)n/m5 (1 Low)n/m 02/12/2025
08:00
Nottingham Bilborough
Timeseries Graph
n/mn/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Nottingham Kenmore Gardens
Timeseries Graph
65 (2 Low)33 (1 Low)1 (1 Low)2 (1 Low)4 (1 Low)
*2
01/12/2025
20:45
Nottingham Western Boulevard
Timeseries Graph
n/m33 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Tallington
Timeseries Graph
73 (3 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Toft Newton
Timeseries Graph
64 (2 Low)5 (1 Low)n/mn/an/a 24/11/2025
02:00

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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/mn/an/m3 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Cambridge King's Hedges
Timeseries Graph
n/mn/mn/m3 (1 Low)4 (1 Low)
*2
01/12/2025
24:00
Cambridge Roadside
Timeseries Graph
n/m24 (1 Low)n/mn/mn/m 01/12/2025
16:00
Luton A505 Roadside
Timeseries Graph
n/m51 (1 Low)n/m2 (1 Low)n/m 02/12/2025
08:00
Norwich Lakenfields
Timeseries Graph
63 (2 Low)11 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
01/12/2025
24:00
Peterborough Garton End
Timeseries Graph
n/mn/mn/m2 (1 Low)4 (1 Low)
*2
01/12/2025
24:00
Sibton
Timeseries Graph
64 (2 Low)n/mn/m4 (1 Low)7 (1 Low)
*2
02/12/2025
03:00
Southend Shoeburyness
Timeseries Graph
n/mn/mn/m4 (1 Low)8 (1 Low)
*2
02/12/2025
01:00
Southend-on-Sea
Timeseries Graph
67 (3 Low)12 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
02/12/2025
01:00
St Osyth
Timeseries Graph
73 (3 Low)8 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
02/12/2025
02:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m21 (1 Low)n/m6 (1 Low)9 (1 Low)
*1
01/12/2025
24:00
Thurrock
Timeseries Graph
68 (3 Low)30 (1 Low)3 (1 Low)3 (1 Low)6 (1 Low)
*2
02/12/2025
00:30
Weybourne
Timeseries Graph
64 (2 Low)n/mn/m2 (1 Low)3 (1 Low)
*2
01/12/2025
24:00
Wicken Fen
Timeseries Graph
62 (2 Low)6 (1 Low)2 (1 Low)2 (1 Low)4 (1 Low)
*2
02/12/2025
00:15

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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/m35 (1 Low)n/m8 (1 Low)10 (1 Low)
*1
02/12/2025
08:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m10 (1 Low)
*1
02/12/2025
08:00
Haringey Roadside
Timeseries Graph
n/m40 (1 Low)n/mn/mn/m 02/12/2025
08:00
London Bexley
Timeseries Graph
n/m19 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
01/12/2025
24:00
London Bloomsbury
Timeseries Graph
62 (2 Low)20 (1 Low)2 (1 Low)4 (1 Low)8 (1 Low)
*2
02/12/2025
05:30
London Farringdon Street
Timeseries Graph
n/m41 (1 Low)n/m4 (1 Low)n/m 01/12/2025
24:00
London Haringey Priory Park South
Timeseries Graph
65 (2 Low)15 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
01/12/2025
24:00
London Harlington
Timeseries Graph
62 (2 Low)41 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
London Hillingdon
Timeseries Graph
53 (2 Low)50 (1 Low)n/m4 (1 Low)12 (1 Low)
*2
02/12/2025
08:00
London Honor Oak Park
Timeseries Graph
73 (3 Low)n/mn/m3 (1 Low)6 (1 Low)
*2
01/12/2025
24:00
London Marylebone Road
Timeseries Graph
56 (2 Low)46 (1 Low)3 (1 Low)7 (1 Low)12 (1 Low)
*1
02/12/2025
08:00
London N. Kensington
Timeseries Graph
71 (3 Low)16 (1 Low)2 (1 Low)3 (1 Low)5 (1 Low)
*2
02/12/2025
04:45
London Norbury Manor School
Timeseries Graph
n/mn/mn/m4 (1 Low)7 (1 Low)
*2
01/12/2025
24:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m3 (1 Low)7 (1 Low)
*2
01/12/2025
24:00
London Westminster
Timeseries Graph
64 (2 Low)19 (1 Low)n/mn/mn/m 02/12/2025
05:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m25 (1 Low)n/mn/m10 (1 Low)
*1
02/12/2025
08:00

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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
63 (2 Low)37 (1 Low)n/mn/mn/m 02/12/2025
08:00
Inverness
Timeseries Graph
n/m72 (2 Low)n/m8 (1 Low)11 (1 Low)
*2
02/12/2025
03:00
Lerwick
Timeseries Graph
81 (3 Low)n/mn/mn/mn/m 01/12/2025
09:00
Strathvaich
Timeseries Graph
67 (3 Low)n/mn/mn/mn/m 01/12/2025
03:00

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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
61 (2 Low)20 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Kielder Water
Timeseries Graph
66 (2 Low)n/mn/m1 (1 Low)2 (1 Low)
*2
02/12/2025
08:00
Middlesbrough
Timeseries Graph
71 (3 Low)7 (1 Low)2 (1 Low)1 (1 Low)4 (1 Low)
*1
01/12/2025
19:30
Newcastle Centre
Timeseries Graph
61 (2 Low)67 (1 Low)n/m5 (1 Low)9 (1 Low)
*1
01/12/2025
24:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m89 (2 Low)n/m4 (1 Low)5 (1 Low)
*2
01/12/2025
24:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m14 (1 Low)n/m2 (1 Low)n/m 01/12/2025
24:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m10 (1 Low)n/m3 (1 Low)6 (1 Low)
*1
02/12/2025
01:00
Sunderland Silksworth
Timeseries Graph
70 (3 Low)18 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
01/12/2025
24:00
Sunderland Wessington Way
Timeseries Graph
n/m28 (1 Low)n/m2 (1 Low)n/m 01/12/2025
24:00

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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
58 (2 Low)55 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
02/12/2025
01:00
Aberdeen Wellington Road
Timeseries Graph
n/m78 (2 Low)n/mn/mn/m 01/12/2025
19:00
Dundee Mains Loan
Timeseries Graph
n/m37 (1 Low)n/mn/mn/m 01/12/2025
09:00
Perth Glasgow Road
Timeseries Graph
n/m44 (1 Low)n/mn/mn/m 01/12/2025
09:00

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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
79 (3 Low)2 (1 Low)n/mn/mn/m 01/12/2025
22:00
Wrexham
Timeseries Graph
n/m25 (1 Low)3 (1 Low)2 (1 Low)3 (1 Low)
*2
01/12/2025
08:45

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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/m2 (1 Low)n/m 02/12/2025
08:00
Blackburn Accrington Road
Timeseries Graph
n/m24 (1 Low)n/mn/mn/m 02/12/2025
08:00
Blackburn Audley Park
Timeseries Graph
67 (3 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Blackpool Marton
Timeseries Graph
70 (3 Low)22 (1 Low)n/m3 (1 Low)8 (1 Low)
*2
02/12/2025
08:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m4 (1 Low)n/m 02/12/2025
08:00
Bury Whitefield Roadside
Timeseries Graph
n/m24 (1 Low)n/mn/m5 (1 Low)
*1
02/12/2025
08:00
Carlisle Morton A595
Timeseries Graph
n/m44 (1 Low)n/m4 (1 Low)5 (1 Low)
*1
02/12/2025
07:00
Crewe Coppenhall
Timeseries Graph
69 (3 Low)13 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Glazebury
Timeseries Graph
63 (2 Low)8 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
Liverpool Speke
Timeseries Graph
67 (3 Low)22 (1 Low)28 (1 Low)3 (1 Low)8 (1 Low)
*1
01/12/2025
12:30
Liverpool Thirlmere Park
Timeseries Graph
69 (3 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Manchester Piccadilly
Timeseries Graph
61 (2 Low)34 (1 Low)1 (1 Low)3 (1 Low)4 (1 Low)
*2
01/12/2025
19:00
Manchester Sharston
Timeseries Graph
70 (3 Low)8 (1 Low)n/m1 (1 Low)3 (1 Low)
*2
02/12/2025
06:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m2 (1 Low)n/m 02/12/2025
08:00
Preston
Timeseries Graph
66 (2 Low)19 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Salford Eccles
Timeseries Graph
68 (3 Low)31 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Shaw Crompton Way
Timeseries Graph
n/m29 (1 Low)n/mn/mn/m 02/12/2025
08:00
St Helens Linkway
Timeseries Graph
n/m40 (1 Low)n/mn/m5 (1 Low)
*1
01/12/2025
11:00
Tameside A635 Manchester Road
Timeseries Graph
n/mn/mn/mn/an/m 28/11/2025
24:00
Warrington
Timeseries Graph
n/m27 (1 Low)n/m2 (1 Low)6 (1 Low)
*1
02/12/2025
08:00
Widnes Milton Road
Timeseries Graph
n/m33 (1 Low)n/mn/mn/m 01/12/2025
16:00
Wigan Centre
Timeseries Graph
65 (2 Low)40 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Wirral Tranmere
Timeseries Graph
70 (3 Low)18 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00

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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/m81 (2 Low)n/mn/m12 (1 Low)
*1
01/12/2025
16:00
Ballymena Antrim Road
Timeseries Graph
n/m62 (1 Low)n/mn/mn/m 01/12/2025
09:00
Ballymena Ballykeel
Timeseries Graph
n/m49 (1 Low)27 (1 Low)n/mn/m 01/12/2025
16:15
Belfast Centre
Timeseries Graph
48 (2 Low)68 (2 Low)4 (1 Low)5 (1 Low)8 (1 Low)
*2
01/12/2025
10:00
Belfast Stockman's Lane
Timeseries Graph
n/m98 (2 Low)n/mn/m14 (1 Low)
*1
01/12/2025
09:00
Derry Rosemount
Timeseries Graph
55 (2 Low)47 (1 Low)28 (1 Low)4 (1 Low)9 (1 Low)
*1
01/12/2025
21:45
Lough Navar
Timeseries Graph
55 (2 Low)n/mn/m4 (1 Low)7 (1 Low)
*2
02/12/2025
08:00

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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/m55 (1 Low)n/mn/mn/m 01/12/2025
18:00
Eskdalemuir
Timeseries Graph
65 (2 Low)2 (1 Low)n/mn/mn/m 02/12/2025
03:00
Peebles
Timeseries Graph
64 (2 Low)30 (1 Low)n/mn/mn/m 02/12/2025
08:00

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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/m2 (1 Low)n/m 02/12/2025
08:00
Brighton Preston Park
Timeseries Graph
69 (3 Low)16 (1 Low)n/m9 (1 Low)22 (2 Low)
*2
02/12/2025
03:00
Chatham Roadside
Timeseries Graph
n/m35 (1 Low)n/m4 (1 Low)13 (1 Low)
*1
02/12/2025
02:00
Chilbolton Observatory
Timeseries Graph
80 (3 Low)3 (1 Low)2 (1 Low)3 (1 Low)5 (1 Low)
*2
01/12/2025
14:45
Eastbourne
Timeseries Graph
74 (3 Low)4 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
02/12/2025
01:00
Farnborough Cherrywood
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
02/12/2025
08:00
Horley
Timeseries Graph
n/m44 (1 Low)n/mn/an/a 27/11/2025
01:00
Lullington Heath
Timeseries Graph
81 (3 Low)3 (1 Low)2 (1 Low)7 (1 Low)13 (1 Low)
*2
02/12/2025
04:15
Maidstone Upper Stone Street
Timeseries Graph
n/mn/mn/m5 (1 Low)9 (1 Low)
*2
01/12/2025
24:00
Milton Keynes Civic Centre
Timeseries Graph
70 (3 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Oxford Centre Roadside
Timeseries Graph
n/mn/an/mn/mn/m 19/08/2025
16:00
Oxford St Ebbes
Timeseries Graph
63 (2 Low)13 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Portsmouth
Timeseries Graph
66 (2 Low)39 (1 Low)n/m5 (1 Low)10 (1 Low)
*2
01/12/2025
24:00
Portsmouth Anglesea Road
Timeseries Graph
n/m40 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
01/12/2025
24:00
Reading London Road
Timeseries Graph
n/m21 (1 Low)n/mn/m9 (1 Low)
*1
02/12/2025
08:00
Reading New Town
Timeseries Graph
40 (2 Low)21 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Reading Rose Kiln Lane
Timeseries Graph
n/mn/mn/m3 (1 Low)n/m 02/12/2025
08:00
Rochester Stoke
Timeseries Graph
72 (3 Low)11 (1 Low)2 (1 Low)4 (1 Low)7 (1 Low)
*2
01/12/2025
20:15
Slough Windmill Bath Road
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
02/12/2025
08:00
Southampton A33
Timeseries Graph
n/m79 (2 Low)n/m5 (1 Low)10 (1 Low)
*2
02/12/2025
08:00
Southampton Centre
Timeseries Graph
69 (3 Low)42 (1 Low)3 (1 Low)6 (1 Low)12 (1 Low)
*2
01/12/2025
20:30
Storrington Roadside
Timeseries Graph
n/m27 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
01/12/2025
24:00
Worthing A27 Roadside
Timeseries Graph
n/m46 (1 Low)n/m11 (1 Low)n/m 02/12/2025
05:00
Worthing East Ten Acres
Timeseries Graph
n/mn/mn/m11 (1 Low)26 (2 Low)
*2
02/12/2025
02:00

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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
70 (3 Low)19 (1 Low)2 (1 Low)5 (1 Low)11 (1 Low)
*1
01/12/2025
14:15
Cardiff Newport Road
Timeseries Graph
n/m28 (1 Low)n/mn/m9 (1 Low)
*1
02/12/2025
08:00
Chepstow A48
Timeseries Graph
n/m30 (1 Low)n/m5 (1 Low)10 (1 Low)
*1
02/12/2025
02:00
Cwmbran Crownbridge
Timeseries Graph
78 (3 Low)36 (1 Low)n/mn/mn/m 02/12/2025
01:00
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/m61 (1 Low)n/mn/mn/m 02/12/2025
07:00
Narberth
Timeseries Graph
78 (3 Low)2 (1 Low)1 (1 Low)5 (1 Low)9 (1 Low)
*2
01/12/2025
15:15
Newport
Timeseries Graph
n/m29 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
02/12/2025
08:00
Port Talbot Margam
Timeseries Graph
74 (3 Low)22 (1 Low)1 (1 Low)4 (1 Low)20 (2 Low)
*3
02/12/2025
03:15
Swansea Roadside
Timeseries Graph
n/m40 (1 Low)n/m5 (1 Low)14 (1 Low)
*1
02/12/2025
03:00

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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)8 (1 Low)
*2
02/12/2025
08:00
Bath A4 Roadside
Timeseries Graph
n/m54 (1 Low)n/mn/mn/m 02/12/2025
08:00
Bournemouth
Timeseries Graph
72 (3 Low)8 (1 Low)n/m7 (1 Low)n/m 02/12/2025
01:00
Bristol Patchway
Timeseries Graph
n/mn/mn/m3 (1 Low)7 (1 Low)
*2
02/12/2025
08:00
Bristol St Paul's
Timeseries Graph
68 (3 Low)53 (1 Low)n/m3 (1 Low)9 (1 Low)
*1
02/12/2025
08:00
Bristol Temple Way
Timeseries Graph
n/m64 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
02/12/2025
08:00
Charlton Mackrell
Timeseries Graph
73 (3 Low)7 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
02/12/2025
08:00
Cheltenham A40 Gloucester Road
Timeseries Graph
n/mn/mn/m1 (1 Low)n/m 02/12/2025
08:00
Christchurch Barrack Road
Timeseries Graph
n/m8 (1 Low)n/m8 (1 Low)n/m 02/12/2025
08:00
Exeter Roadside
Timeseries Graph
74 (3 Low)42 (1 Low)n/mn/mn/m 01/12/2025
09:00
Gloucester Tredworth
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
02/12/2025
08:00
Honiton
Timeseries Graph
73 (3 Low)5 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
02/12/2025
08:00
Plymouth Centre
Timeseries Graph
74 (3 Low)64 (1 Low)n/m10 (1 Low)24 (2 Low)
*2
02/12/2025
06:00
Plymouth Tavistock Road
Timeseries Graph
n/m72 (2 Low)n/mn/mn/m 02/12/2025
07:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m3 (1 Low)16 (1 Low)
*1
02/12/2025
08:00
Swindon Walcot
Timeseries Graph
74 (3 Low)7 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Yarner Wood
Timeseries Graph
79 (3 Low)2 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
01/12/2025
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
84 (3 Low)n/mn/mn/mn/m 01/12/2025
15:00

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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
62 (2 Low)62 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
01/12/2025
24:00
Birmingham Hall Green
Timeseries Graph
76 (3 Low)7 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Birmingham Ladywood
Timeseries Graph
77 (3 Low)16 (1 Low)1 (1 Low)n/an/a 01/12/2025
11:15
Birmingham University
Timeseries Graph
n/mn/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Burton-on-Trent Horninglow
Timeseries Graph
70 (3 Low)31 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Cannock A5190 Roadside
Timeseries Graph
n/m18 (1 Low)n/m2 (1 Low)n/m 02/12/2025
08:00
Coventry Allesley
Timeseries Graph
68 (3 Low)27 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Coventry Binley Road
Timeseries Graph
n/m36 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Leamington Spa
Timeseries Graph
71 (3 Low)24 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
07:00
Leamington Spa Rugby Road
Timeseries Graph
n/m22 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Leominster
Timeseries Graph
72 (3 Low)35 (1 Low)n/mn/mn/m 01/12/2025
22:00
Oldbury Birmingham Road
Timeseries Graph
n/m39 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Shrewsbury Underdale
Timeseries Graph
n/mn/mn/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m44 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Stoke-on-Trent Centre
Timeseries Graph
67 (3 Low)26 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Telford Hollinswood
Timeseries Graph
75 (3 Low)32 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Walsall Woodlands
Timeseries Graph
71 (3 Low)24 (1 Low)n/mn/mn/m 01/12/2025
24:00
West Bromwich Kenrick Park
Timeseries Graph
73 (3 Low)25 (1 Low)n/mn/mn/m 01/12/2025
24:00
Worcester Tolladine
Timeseries Graph
n/mn/mn/m3 (1 Low)5 (1 Low)
*2
02/12/2025
08:00

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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
72 (3 Low)26 (1 Low)2 (1 Low)2 (1 Low)3 (1 Low)
*2
01/12/2025
11:00
Bradford Mayo Avenue
Timeseries Graph
n/m32 (1 Low)n/mn/mn/m 02/12/2025
07:00
Bradford Shipley Airedale Road
Timeseries Graph
n/mn/mn/m14 (2 Low)6 (1 Low)
*2
02/12/2025
08:00
Dewsbury Ashworth Grange
Timeseries Graph
74 (3 Low)17 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/12/2025
08:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m35 (1 Low)n/m2 (1 Low)n/m 02/12/2025
08:00
Harrogate Woodlands
Timeseries Graph
n/mn/mn/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
High Muffles
Timeseries Graph
65 (2 Low)8 (1 Low)n/m1 (1 Low)2 (1 Low)
*2
01/12/2025
24:00
Hull Freetown
Timeseries Graph
61 (2 Low)36 (1 Low)4 (1 Low)2 (1 Low)4 (1 Low)
*2
02/12/2025
01:30
Hull Holderness Road
Timeseries Graph
n/m45 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
01/12/2025
24:00
Immingham Woodlands Avenue
Timeseries Graph
71 (3 Low)5 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
01/12/2025
24:00
Leeds Centre
Timeseries Graph
68 (3 Low)56 (1 Low)9 (1 Low)2 (1 Low)5 (1 Low)
*2
02/12/2025
07:15
Leeds Headingley Kerbside
Timeseries Graph
n/m55 (1 Low)n/m5 (1 Low)7 (1 Low)
*1
02/12/2025
08:00
Rotherham East Dene
Timeseries Graph
n/mn/mn/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
Scunthorpe Town
Timeseries Graph
n/m15 (1 Low)2 (1 Low)5 (1 Low)2 (1 Low)
*1
02/12/2025
01:30
Sheffield Barnsley Road
Timeseries Graph
n/m43 (1 Low)n/m2 (1 Low)n/m 02/12/2025
08:00
Sheffield Devonshire Green
Timeseries Graph
65 (2 Low)19 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
Sheffield Tinsley
Timeseries Graph
64 (2 Low)36 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/12/2025
08:00
Wakefield Alverthorpe
Timeseries Graph
n/mn/mn/m2 (1 Low)3 (1 Low)
*2
02/12/2025
08:00
York Bootham
Timeseries Graph
58 (2 Low)12 (1 Low)n/m3 (1 Low)6 (1 Low)
*1
02/12/2025
08:00
York Fishergate
Timeseries Graph
n/m30 (1 Low)n/m2 (1 Low)6 (1 Low)
*1
01/12/2025
24:00

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