24 Hour Summary, based on data provided by Environment Agency

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

  • View the legend
  • Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to midnight Thu 11th Jun 2026

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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
53 (2 Low)n/mn/m1 (1 Low)3 (1 Low)
*2
11/06/2026
02:00:00
Bush Estate
Timeseries Graph
60 (2 Low)2 (1 Low)n/mn/mn/m 11/06/2026
02:00:00
Dumbarton Roadside
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 11/06/2026
19:00:00
Edinburgh Nicolson Street
Timeseries Graph
n/m27 (1 Low)n/mn/mn/m 10/06/2026
18:00:00
Edinburgh St Leonards
Timeseries Graph
56 (2 Low)9 (1 Low)2 (1 Low)2 (1 Low)5 (1 Low)
*2
11/06/2026
17:15:00
Glasgow Great Western Road
Timeseries Graph
n/m32 (1 Low)n/mn/mn/m 11/06/2026
09:00:00
Glasgow High Street
Timeseries Graph
n/m21 (1 Low)n/m3 (1 Low)8 (1 Low)
*2
11/06/2026
01:00:00
Glasgow Kerbside
Timeseries Graph
n/m69 (2 Low)n/mn/mn/m 11/06/2026
08:00:00
Glasgow Townhead
Timeseries Graph
61 (2 Low)15 (1 Low)n/m2 (1 Low)6 (1 Low)
*2
11/06/2026
02:00:00
Grangemouth
Timeseries Graph
n/m10 (1 Low)2 (1 Low)2 (1 Low)8 (1 Low)
*1
11/06/2026
19:15:00
Grangemouth Moray
Timeseries Graph
n/m19 (1 Low)n/mn/mn/m 11/06/2026
12:00:00
Greenock A8 Roadside
Timeseries Graph
n/m31 (1 Low)n/m3 (1 Low)8 (1 Low)
*2
11/06/2026
13:00:00

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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
52 (2 Low)7 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
11/06/2026
21:00:00
Chesterfield Roadside
Timeseries Graph
n/m14 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
09:00:00
Derby St Alkmund's Way
Timeseries Graph
n/m41 (1 Low)n/m3 (1 Low)n/m 11/06/2026
24:00:
Derby Stockbrook Park
Timeseries Graph
46 (2 Low)n/mn/m3 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Ladybower
Timeseries Graph
66 (2 Low)8 (1 Low)3 (1 Low)2 (1 Low)4 (1 Low)
*2
11/06/2026
03:45:00
Leicester A594 Roadside
Timeseries Graph
n/m35 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
24:00:
Leicester University
Timeseries Graph
40 (2 Low)28 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
24:00:
Lincoln Canwick Road
Timeseries Graph
n/m33 (1 Low)n/mn/mn/m 11/06/2026
08:00:00
Loughborough Thorpe Acre
Timeseries Graph
n/mn/mn/m2 (1 Low)4 (1 Low)
*2
11/06/2026
24:00:
Mansfield Ladybrook
Timeseries Graph
n/mn/mn/m3 (1 Low)5 (1 Low)
*2
11/06/2026
22:00:00
Northampton Spring Park
Timeseries Graph
46 (2 Low)14 (1 Low)n/m6 (1 Low)n/m 11/06/2026
01:00:00
Nottingham Bilborough
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Nottingham Kenmore Gardens
Timeseries Graph
46 (2 Low)20 (1 Low)1 (1 Low)3 (1 Low)6 (1 Low)
*2
11/06/2026
07:00:00
Nottingham Western Boulevard
Timeseries Graph
n/m29 (1 Low)n/m3 (1 Low)8 (1 Low)
*2
11/06/2026
12:00:00
Tallington
Timeseries Graph
49 (2 Low)n/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Toft Newton
Timeseries Graph
58 (2 Low)6 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
24:00:

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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/m17 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
24:00:
Cambridge King's Hedges
Timeseries Graph
n/mn/mn/m3 (1 Low)7 (1 Low)
*2
11/06/2026
24:00:
Cambridge Roadside
Timeseries Graph
n/m27 (1 Low)n/mn/mn/m 11/06/2026
15:00:00
Luton A505 Roadside
Timeseries Graph
n/m28 (1 Low)n/m4 (1 Low)n/m 11/06/2026
01:00:00
Norwich Lakenfields
Timeseries Graph
43 (2 Low)7 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Peterborough Garton End
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Sibton
Timeseries Graph
46 (2 Low)n/mn/m2 (1 Low)6 (1 Low)
*2
11/06/2026
24:00:
Southend Shoeburyness
Timeseries Graph
n/mn/mn/m3 (1 Low)7 (1 Low)
*2
11/06/2026
01:00:00
Southend-on-Sea
Timeseries Graph
53 (2 Low)32 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
11/06/2026
01:00:00
St Osyth
Timeseries Graph
56 (2 Low)10 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
24:00:
Stanford-le-Hope Roadside
Timeseries Graph
n/m32 (1 Low)n/m7 (1 Low)11 (1 Low)
*1
11/06/2026
01:00:00
Stevenage St Georges Way South
Timeseries Graph
n/mn/mn/m3 (1 Low)n/m 11/06/2026
01:00:00
Thurrock
Timeseries Graph
45 (2 Low)38 (1 Low)3 (1 Low)4 (1 Low)9 (1 Low)
*2
11/06/2026
05:45:00
Weybourne
Timeseries Graph
51 (2 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
11/06/2026
01:00:00
Wicken Fen
Timeseries Graph
46 (2 Low)7 (1 Low)2 (1 Low)3 (1 Low)6 (1 Low)
*2
11/06/2026
11:30:00

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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/m34 (1 Low)n/m8 (1 Low)16 (1 Low)
*1
11/06/2026
11:00:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m31 (2 Low)
*1
11/06/2026
01:00:00
Haringey Roadside
Timeseries Graph
n/m37 (1 Low)n/mn/mn/m 11/06/2026
01:00:00
London A406 N Circular
Timeseries Graph
n/mn/mn/m5 (1 Low)n/m 11/06/2026
01:00:00
London Bexley
Timeseries Graph
n/m14 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
01:00:00
London Bloomsbury
Timeseries Graph
40 (2 Low)17 (1 Low)15 (1 Low)4 (1 Low)8 (1 Low)
*2
11/06/2026
14:45:00
London Farringdon Street
Timeseries Graph
n/m28 (1 Low)n/m5 (1 Low)n/m 11/06/2026
01:00:00
London Haringey Priory Park South
Timeseries Graph
48 (2 Low)16 (1 Low)n/m6 (1 Low)9 (1 Low)
*2
11/06/2026
24:00:
London Harlington
Timeseries Graph
45 (2 Low)29 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
01:00:00
London Hillingdon
Timeseries Graph
43 (2 Low)35 (1 Low)n/m5 (1 Low)17 (2 Low)
*2
11/06/2026
22:00:00
London Honor Oak Park
Timeseries Graph
64 (2 Low)n/mn/m3 (1 Low)7 (1 Low)
*2
11/06/2026
01:00:00
London Marylebone Road
Timeseries Graph
41 (2 Low)67 (1 Low)5 (1 Low)6 (1 Low)15 (1 Low)
*1
11/06/2026
18:30:00
London N. Kensington
Timeseries Graph
54 (2 Low)15 (1 Low)2 (1 Low)3 (1 Low)7 (1 Low)
*2
11/06/2026
22:15:00
London Norbury Manor School
Timeseries Graph
n/mn/mn/m3 (1 Low)7 (1 Low)
*2
11/06/2026
01:00:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m4 (1 Low)9 (1 Low)
*2
11/06/2026
01:00:00
London Westminster
Timeseries Graph
50 (2 Low)21 (1 Low)n/mn/mn/m 11/06/2026
18:00:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m23 (1 Low)n/mn/m15 (1 Low)
*1
10/06/2026
24:00:

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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
61 (2 Low)20 (1 Low)n/mn/mn/m 11/06/2026
04:00:00
Inverness
Timeseries Graph
n/m17 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
13:00:00
Lerwick
Timeseries Graph
73 (3 Low)n/mn/mn/mn/m 11/06/2026
15:00:00
Strathvaich
Timeseries Graph
69 (3 Low)n/mn/mn/mn/m 11/06/2026
01:00:00

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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
Darlington Firthmoor
Timeseries Graph
n/mn/mn/m2 (1 Low)4 (1 Low)
*2
11/06/2026
20:00:00
Hartlepool St Abbs Walk
Timeseries Graph
57 (2 Low)14 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
16:00:00
Kielder Water
Timeseries Graph
44 (2 Low)n/mn/m1 (1 Low)4 (1 Low)
*2
11/06/2026
01:00:00
Middlesbrough
Timeseries Graph
52 (2 Low)2 (1 Low)2 (1 Low)1 (1 Low)7 (1 Low)
*1
11/06/2026
09:00:00
Newcastle Centre
Timeseries Graph
50 (2 Low)24 (1 Low)n/m6 (1 Low)10 (1 Low)
*1
11/06/2026
14:00:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m41 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
01:00:00
North Shields Chirton
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
01:00:00
Redcar Milford Walk
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
12:00:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m11 (1 Low)n/m4 (1 Low)n/m 11/06/2026
16:00:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m7 (1 Low)n/m4 (1 Low)6 (1 Low)
*1
11/06/2026
02:00:00
Sunderland Silksworth
Timeseries Graph
55 (2 Low)12 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
01:00:00
Sunderland Wessington Way
Timeseries Graph
n/m14 (1 Low)n/m2 (1 Low)n/m 11/06/2026
01:00:00

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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
47 (2 Low)24 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
24:00:
Aberdeen Wellington Road
Timeseries Graph
n/m14 (1 Low)n/mn/mn/m 11/06/2026
08:00:00
Dundee Mains Loan
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 11/06/2026
12:00:00
Perth Glasgow Road
Timeseries Graph
n/m16 (1 Low)n/mn/mn/m 11/06/2026
10:00:00

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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
53 (2 Low)2 (1 Low)n/mn/mn/m 11/06/2026
01:00:00
Wrexham
Timeseries Graph
n/m21 (1 Low)2 (1 Low)2 (1 Low)4 (1 Low)
*2
11/06/2026
09:00:00

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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/m14 (1 Low)n/m3 (1 Low)n/m 11/06/2026
01:00:00
Blackburn Accrington Road
Timeseries Graph
n/m30 (1 Low)n/mn/mn/m 11/06/2026
09:00:00
Blackburn Audley Park
Timeseries Graph
53 (2 Low)n/mn/m3 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Blackpool Marton
Timeseries Graph
67 (3 Low)17 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
11/06/2026
24:00:
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m4 (1 Low)n/m 11/06/2026
24:00:
Bury Whitefield Roadside
Timeseries Graph
n/m28 (1 Low)n/mn/m10 (1 Low)
*1
11/06/2026
15:00:00
Carlisle Morton A595
Timeseries Graph
n/m12 (1 Low)n/m3 (1 Low)7 (1 Low)
*1
11/06/2026
10:00:00
Crewe Coppenhall
Timeseries Graph
46 (2 Low)10 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Glazebury
Timeseries Graph
50 (2 Low)24 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Liverpool Speke
Timeseries Graph
56 (2 Low)19 (1 Low)23 (1 Low)4 (1 Low)10 (1 Low)
*1
11/06/2026
12:45:00
Liverpool Thirlmere Park
Timeseries Graph
53 (2 Low)n/mn/m3 (1 Low)6 (1 Low)
*2
11/06/2026
24:00:
Manchester Piccadilly
Timeseries Graph
48 (2 Low)32 (1 Low)2 (1 Low)5 (1 Low)8 (1 Low)
*2
11/06/2026
14:45:00
Manchester Sharston
Timeseries Graph
54 (2 Low)24 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
23:00:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m3 (1 Low)n/m 11/06/2026
22:00:00
Preston
Timeseries Graph
55 (2 Low)20 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
24:00:
Salford Eccles
Timeseries Graph
63 (2 Low)20 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
22:00:00
Shaw Crompton Way
Timeseries Graph
n/m39 (1 Low)n/mn/mn/m 11/06/2026
16:00:00
St Helens Linkway
Timeseries Graph
n/m34 (1 Low)n/mn/m10 (1 Low)
*1
11/06/2026
10:00:00
Tameside A635 Manchester Road
Timeseries Graph
n/mn/mn/m3 (1 Low)n/m 11/06/2026
24:00:
Warrington
Timeseries Graph
n/m18 (1 Low)n/m2 (1 Low)7 (1 Low)
*1
11/06/2026
18:00:00
Widnes Milton Road
Timeseries Graph
n/m33 (1 Low)n/mn/mn/m 11/06/2026
15:00:00
Wigan Centre
Timeseries Graph
50 (2 Low)25 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
11/06/2026
24:00:
Wirral Tranmere
Timeseries Graph
55 (2 Low)9 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:

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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/m30 (1 Low)n/mn/m14 (1 Low)
*1
11/06/2026
10:00:00
Ballymena Antrim Road
Timeseries Graph
n/m24 (1 Low)n/mn/mn/m 11/06/2026
10:00:00
Ballymena Ballykeel
Timeseries Graph
n/m14 (1 Low)3 (1 Low)n/mn/m 11/06/2026
23:45:00
Belfast Centre
Timeseries Graph
51 (2 Low)27 (1 Low)3 (1 Low)2 (1 Low)6 (1 Low)
*2
11/06/2026
08:30:00
Belfast Stockman's Lane
Timeseries Graph
n/m76 (2 Low)n/mn/m13 (1 Low)
*1
11/06/2026
08:00:00
Derry Rosemount
Timeseries Graph
54 (2 Low)6 (1 Low)2 (1 Low)2 (1 Low)7 (1 Low)
*1
10/06/2026
24:15:
Lough Navar
Timeseries Graph
48 (2 Low)n/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
03:00:00

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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/m20 (1 Low)n/mn/mn/m 11/06/2026
08:00:00
Eskdalemuir
Timeseries Graph
54 (2 Low)3 (1 Low)n/mn/mn/m 11/06/2026
01:00:00
Peebles
Timeseries Graph
59 (2 Low)7 (1 Low)n/mn/mn/m 11/06/2026
01:00:00

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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/m3 (1 Low)n/m 11/06/2026
23:00:00
Brighton Preston Park
Timeseries Graph
54 (2 Low)10 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
11/06/2026
24:00:
Chatham Roadside
Timeseries Graph
n/m28 (1 Low)n/m4 (1 Low)16 (1 Low)
*1
11/06/2026
01:00:00
Chilbolton Observatory
Timeseries Graph
66 (2 Low)2 (1 Low)1 (1 Low)3 (1 Low)6 (1 Low)
*2
11/06/2026
09:15:00
Eastbourne
Timeseries Graph
63 (2 Low)7 (1 Low)n/m5 (1 Low)10 (1 Low)
*2
11/06/2026
24:00:
Farnborough Cherrywood
Timeseries Graph
n/mn/mn/m3 (1 Low)7 (1 Low)
*2
11/06/2026
20:00:00
Horley
Timeseries Graph
n/m38 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
11/06/2026
23:00:00
Lullington Heath
Timeseries Graph
76 (3 Low)6 (1 Low)2 (1 Low)5 (1 Low)8 (1 Low)
*2
11/06/2026
24:00:
Maidstone Upper Stone Street
Timeseries Graph
n/mn/mn/m6 (1 Low)14 (1 Low)
*2
11/06/2026
24:00:
Milton Keynes Civic Centre
Timeseries Graph
46 (2 Low)n/mn/m3 (1 Low)6 (1 Low)
*2
11/06/2026
24:00:
Oxford Centre Roadside
Timeseries Graph
n/m13 (1 Low)n/mn/mn/m 11/06/2026
08:00:00
Oxford St Ebbes
Timeseries Graph
44 (2 Low)9 (1 Low)n/m3 (1 Low)8 (1 Low)
*2
11/06/2026
22:00:00
Portsmouth
Timeseries Graph
51 (2 Low)20 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
11/06/2026
24:00:
Portsmouth Anglesea Road
Timeseries Graph
n/m21 (1 Low)n/m5 (1 Low)11 (1 Low)
*2
11/06/2026
24:00:
Reading London Road
Timeseries Graph
n/m15 (1 Low)n/mn/m10 (1 Low)
*1
11/06/2026
19:00:00
Reading New Town
Timeseries Graph
52 (2 Low)12 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
01:00:00
Reading Rose Kiln Lane
Timeseries Graph
n/mn/mn/m3 (1 Low)n/m 11/06/2026
01:00:00
Rochester Stoke
Timeseries Graph
53 (2 Low)7 (1 Low)1 (1 Low)4 (1 Low)7 (1 Low)
*2
11/06/2026
24:00:
Slough Windmill Bath Road
Timeseries Graph
n/mn/mn/m4 (1 Low)10 (1 Low)
*2
11/06/2026
01:00:00
Southampton A33
Timeseries Graph
n/m33 (1 Low)n/m4 (1 Low)11 (1 Low)
*2
11/06/2026
22:00:00
Southampton Centre
Timeseries Graph
51 (2 Low)38 (1 Low)2 (1 Low)5 (1 Low)10 (1 Low)
*2
11/06/2026
19:15:00
Storrington Roadside
Timeseries Graph
n/m18 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
11/06/2026
24:00:
Worthing A27 Roadside
Timeseries Graph
n/m28 (1 Low)n/m11 (1 Low)n/m 11/06/2026
24:00:
Worthing East Ten Acres
Timeseries Graph
n/mn/mn/m7 (1 Low)13 (1 Low)
*2
11/06/2026
24:00:

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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
49 (2 Low)23 (1 Low)1 (1 Low)7 (1 Low)11 (1 Low)
*1
11/06/2026
17:00:00
Cardiff Newport Road
Timeseries Graph
n/m13 (1 Low)n/mn/m11 (1 Low)
*1
11/06/2026
09:00:00
Chepstow A48
Timeseries Graph
n/m28 (1 Low)n/m5 (1 Low)10 (1 Low)
*1
11/06/2026
06:00:00
Cwmbran Crownbridge
Timeseries Graph
55 (2 Low)9 (1 Low)n/mn/mn/m 11/06/2026
15:00:00
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/m39 (1 Low)n/mn/mn/m 11/06/2026
08:00:00
Narberth
Timeseries Graph
57 (2 Low)2 (1 Low)2 (1 Low)4 (1 Low)8 (1 Low)
*2
11/06/2026
02:30:00
Newport
Timeseries Graph
n/m15 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
11/06/2026
07:00:00
Port Talbot Margam
Timeseries Graph
58 (2 Low)29 (1 Low)1 (1 Low)7 (1 Low)24 (2 Low)
*3
11/06/2026
03:15:00
Swansea Roadside
Timeseries Graph
n/m16 (1 Low)n/m9 (1 Low)13 (1 Low)
*1
11/06/2026
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/m6 (1 Low)12 (1 Low)
*2
11/06/2026
24:00:
Bath A4 Roadside
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 11/06/2026
10:00:00
Bournemouth
Timeseries Graph
57 (2 Low)12 (1 Low)n/m6 (1 Low)n/m 11/06/2026
01:00:00
Bristol Patchway
Timeseries Graph
n/mn/mn/m4 (1 Low)8 (1 Low)
*2
11/06/2026
07:00:00
Bristol St Paul's
Timeseries Graph
58 (2 Low)19 (1 Low)n/m6 (1 Low)13 (1 Low)
*1
11/06/2026
20:00:00
Bristol Temple Way
Timeseries Graph
n/m37 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
11/06/2026
08:00:00
Charlton Mackrell
Timeseries Graph
52 (2 Low)3 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
01:00:00
Cheltenham A40 Gloucester Road
Timeseries Graph
n/mn/mn/m2 (1 Low)n/m 11/06/2026
07:00:00
Christchurch Barrack Road
Timeseries Graph
n/m4 (1 Low)n/m5 (1 Low)n/m 11/06/2026
24:00:
Exeter Roadside
Timeseries Graph
51 (2 Low)28 (1 Low)n/mn/mn/m 11/06/2026
01:00:00
Gloucester Tredworth
Timeseries Graph
n/mn/mn/m3 (1 Low)7 (1 Low)
*2
11/06/2026
21:00:00
Honiton
Timeseries Graph
51 (2 Low)5 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
20:00:00
Plymouth Centre
Timeseries Graph
52 (2 Low)19 (1 Low)n/m7 (1 Low)16 (1 Low)
*2
11/06/2026
23:00:00
Plymouth Tavistock Road
Timeseries Graph
n/m16 (1 Low)n/mn/mn/m 11/06/2026
16:00:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m1 (1 Low)11 (1 Low)
*1
11/06/2026
24:00:
Swindon Walcot
Timeseries Graph
56 (2 Low)6 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
01:00:00
Yarner Wood
Timeseries Graph
56 (2 Low)3 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
17:00:00

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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
74 (3 Low)n/mn/mn/mn/m 11/06/2026
01:00:00

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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
Bedworth Collycroft
Timeseries Graph
n/mn/mn/m3 (1 Low)5 (1 Low)
*2
11/06/2026
23:00:00
Birmingham A4540 Roadside
Timeseries Graph
30 (1 Low)36 (1 Low)n/m4 (1 Low)12 (1 Low)
*2
11/06/2026
10:00:00
Birmingham Hall Green
Timeseries Graph
52 (2 Low)11 (1 Low)n/m2 (1 Low)6 (1 Low)
*2
11/06/2026
23:00:00
Birmingham Ladywood
Timeseries Graph
56 (2 Low)13 (1 Low)2 (1 Low)2 (1 Low)5 (1 Low)
*2
11/06/2026
16:30:00
Birmingham University
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Burton-on-Trent Horninglow
Timeseries Graph
40 (2 Low)20 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
22:00:00
Cannock A5190 Roadside
Timeseries Graph
n/m17 (1 Low)n/m2 (1 Low)n/m 11/06/2026
24:00:
Coventry Allesley
Timeseries Graph
41 (2 Low)13 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
21:00:00
Coventry Binley Road
Timeseries Graph
n/m22 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
24:00:
Leamington Spa
Timeseries Graph
54 (2 Low)22 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
22:00:00
Leamington Spa Rugby Road
Timeseries Graph
n/m11 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:
Leominster
Timeseries Graph
54 (2 Low)5 (1 Low)n/mn/mn/m 11/06/2026
01:00:00
Oldbury Birmingham Road
Timeseries Graph
n/m32 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
19:00:00
Shrewsbury Underdale
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
11/06/2026
07:00:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m48 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
11/06/2026
12:00:00
Stoke-on-Trent Centre
Timeseries Graph
38 (2 Low)22 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
11/06/2026
09:00:00
Telford Hollinswood
Timeseries Graph
66 (2 Low)15 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
23:00:00
Walsall Caldmore
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
11/06/2026
24:00:
Walsall Woodlands
Timeseries Graph
54 (2 Low)22 (1 Low)n/mn/mn/m 11/06/2026
01:00:00
West Bromwich Kenrick Park
Timeseries Graph
44 (2 Low)22 (1 Low)n/mn/mn/m 11/06/2026
01:00:00
Worcester Tolladine
Timeseries Graph
n/mn/mn/m3 (1 Low)5 (1 Low)
*2
11/06/2026
24:00:

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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
56 (2 Low)18 (1 Low)4 (1 Low)2 (1 Low)4 (1 Low)
*2
11/06/2026
06:30:00
Bradford Mayo Avenue
Timeseries Graph
n/m34 (1 Low)n/mn/mn/m 11/06/2026
10:00:00
Bradford Shipley Airedale Road
Timeseries Graph
n/mn/mn/m4 (1 Low)9 (1 Low)
*2
11/06/2026
21:00:00
Dewsbury Ashworth Grange
Timeseries Graph
56 (2 Low)21 (1 Low)n/m3 (1 Low)9 (1 Low)
*2
11/06/2026
12:00:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m30 (1 Low)n/m3 (1 Low)n/m 11/06/2026
22:00:00
Harrogate Woodlands
Timeseries Graph
n/mn/mn/m3 (1 Low)5 (1 Low)
*2
11/06/2026
13:00:00
High Muffles
Timeseries Graph
51 (2 Low)7 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
11/06/2026
24:00:
Hull Freetown
Timeseries Graph
49 (2 Low)33 (1 Low)2 (1 Low)3 (1 Low)7 (1 Low)
*2
11/06/2026
08:00:00
Hull Holderness Road
Timeseries Graph
n/m32 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
11/06/2026
22:00:00
Immingham Woodlands Avenue
Timeseries Graph
53 (2 Low)9 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
11/06/2026
12:00:00
Leeds Centre
Timeseries Graph
51 (2 Low)31 (1 Low)2 (1 Low)3 (1 Low)7 (1 Low)
*2
11/06/2026
07:45:00
Leeds Headingley Kerbside
Timeseries Graph
n/m32 (1 Low)n/mn/a10 (1 Low)
*1
11/06/2026
01:00:00
Rotherham East Dene
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
11/06/2026
20:00:00
Scunthorpe Town
Timeseries Graph
n/m13 (1 Low)2 (1 Low)4 (1 Low)8 (1 Low)
*1
11/06/2026
18:00:00
Sheffield Barnsley Road
Timeseries Graph
n/m38 (1 Low)n/m4 (1 Low)n/m 11/06/2026
10:00:00
Sheffield Devonshire Green
Timeseries Graph
n/an/an/mn/an/a 03/06/2026
08:00:00
Sheffield Tinsley
Timeseries Graph
41 (2 Low)28 (1 Low)n/m4 (1 Low)11 (1 Low)
*2
11/06/2026
20:00:00
Wakefield Alverthorpe
Timeseries Graph
n/mn/mn/m4 (1 Low)7 (1 Low)
*2
11/06/2026
13:00:00
York Bootham
Timeseries Graph
47 (2 Low)19 (1 Low)n/m5 (1 Low)10 (1 Low)
*1
11/06/2026
22:00:00
York Fishergate
Timeseries Graph
n/m28 (1 Low)n/m2 (1 Low)10 (1 Low)
*1
11/06/2026
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