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 7pm Sat 5th Jul 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
48 (2 Low)n/mn/m1 (1 Low)1 (1 Low)
*2
05/07/2025
19:00:00
Bush Estate
Timeseries Graph
49 (2 Low)0 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Dumbarton Roadside
Timeseries Graph
n/m11 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Edinburgh Nicolson Street
Timeseries Graph
n/m21 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Edinburgh St Leonards
Timeseries Graph
35 (2 Low)6 (1 Low)3 (1 Low)1 (1 Low)2 (1 Low)
*2
05/07/2025
19:00:00
Glasgow Great Western Road
Timeseries Graph
n/m5 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Glasgow High Street
Timeseries Graph
n/m10 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
05/07/2025
19:00:00
Glasgow Kerbside
Timeseries Graph
n/m20 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Glasgow Townhead
Timeseries Graph
44 (2 Low)7 (1 Low)n/m1 (1 Low)3 (1 Low)
*2
05/07/2025
19:00:00
Grangemouth
Timeseries Graph
n/m5 (1 Low)2 (1 Low)1 (1 Low)1 (1 Low)
*1
05/07/2025
19:00:00
Grangemouth Moray
Timeseries Graph
n/m2 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Greenock A8 Roadside
Timeseries Graph
n/m7 (1 Low)n/m1 (1 Low)2 (1 Low)
*2
05/07/2025
19:00:00

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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
54 (2 Low)2 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Chesterfield Roadside
Timeseries Graph
n/m6 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Derby St Alkmund's Way
Timeseries Graph
n/m10 (1 Low)n/m3 (1 Low)n/m 05/07/2025
19:00:00
Derby Stockbrook Park
Timeseries Graph
47 (2 Low)n/mn/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Ladybower
Timeseries Graph
53 (2 Low)4 (1 Low)2 (1 Low)2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Leicester A594 Roadside
Timeseries Graph
n/m20 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Leicester University
Timeseries Graph
52 (2 Low)6 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Lincoln Canwick Road
Timeseries Graph
n/mn/an/mn/mn/m 05/07/2025
17:00:00
Loughborough Thorpe Acre
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Mansfield Ladybrook
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Northampton Spring Park
Timeseries Graph
52 (2 Low)2 (1 Low)n/m6 (1 Low)n/m 05/07/2025
19:00:00
Nottingham Bilborough
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Nottingham Kenmore Gardens
Timeseries Graph
50 (2 Low)4 (1 Low)2 (1 Low)4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
Nottingham Western Boulevard
Timeseries Graph
n/m8 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Tallington
Timeseries Graph
58 (2 Low)n/mn/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Toft Newton
Timeseries Graph
69 (3 Low)2 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00

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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/m2 (1 Low)n/mn/an/a 05/07/2025
19:00:00
Cambridge Roadside
Timeseries Graph
n/mn/an/mn/mn/m 04/07/2025
14:00:00
Luton A505 Roadside
Timeseries Graph
n/m6 (1 Low)n/m3 (1 Low)n/m 05/07/2025
19:00:00
Norwich Lakenfields
Timeseries Graph
54 (2 Low)2 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
Peterborough Garton End
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Sibton
Timeseries Graph
52 (2 Low)n/mn/m3 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Southend Shoeburyness
Timeseries Graph
n/mn/mn/m5 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00
Southend-on-Sea
Timeseries Graph
55 (2 Low)1 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00
St Osyth
Timeseries Graph
61 (2 Low)3 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m5 (1 Low)n/m5 (1 Low)11 (1 Low)
*1
05/07/2025
19:00:00
Thurrock
Timeseries Graph
51 (2 Low)6 (1 Low)2 (1 Low)5 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
Weybourne
Timeseries Graph
53 (2 Low)n/mn/m3 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Wicken Fen
Timeseries Graph
48 (2 Low)1 (1 Low)2 (1 Low)4 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00

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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/m11 (1 Low)n/m7 (1 Low)15 (1 Low)
*1
05/07/2025
19:00:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m23 (2 Low)
*1
05/07/2025
19:00:00
Haringey Roadside
Timeseries Graph
n/m18 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
London Bexley
Timeseries Graph
n/m5 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00
London Bloomsbury
Timeseries Graph
52 (2 Low)10 (1 Low)2 (1 Low)5 (1 Low)11 (1 Low)
*2
05/07/2025
19:00:00
London Haringey Priory Park South
Timeseries Graph
46 (2 Low)6 (1 Low)n/m4 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
London Harlington
Timeseries Graph
n/an/an/m4 (1 Low)7 (1 Low)
*2
05/07/2025
20:00:00
London Hillingdon
Timeseries Graph
38 (2 Low)16 (1 Low)n/m5 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
London Honor Oak Park
Timeseries Graph
53 (2 Low)n/mn/m4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
London Marylebone Road
Timeseries Graph
n/an/an/an/an/a 05/07/2025
01:00:00
London N. Kensington
Timeseries Graph
53 (2 Low)6 (1 Low)1 (1 Low)4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
London Norbury Manor School
Timeseries Graph
n/mn/mn/m4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m5 (1 Low)11 (1 Low)
*2
05/07/2025
19:00:00
London Westminster
Timeseries Graph
35 (2 Low)2 (1 Low)n/m4 (1 Low)n/m 05/07/2025
19:00:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m6 (1 Low)n/mn/m13 (1 Low)
*1
05/07/2025
19:00:00

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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
40 (2 Low)4 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Inverness
Timeseries Graph
n/m5 (1 Low)n/m1 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Lerwick
Timeseries Graph
62 (2 Low)n/mn/mn/mn/m 05/07/2025
19:00:00
Strathvaich
Timeseries Graph
47 (2 Low)n/mn/mn/mn/m 05/07/2025
19:00:00

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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
53 (2 Low)1 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Kielder Water
Timeseries Graph
41 (2 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Middlesbrough
Timeseries Graph
53 (2 Low)3 (1 Low)2 (1 Low)1 (1 Low)5 (1 Low)
*1
05/07/2025
19:00:00
Newcastle Centre
Timeseries Graph
47 (2 Low)6 (1 Low)n/m4 (1 Low)7 (1 Low)
*1
05/07/2025
19:00:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m12 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m3 (1 Low)n/m1 (1 Low)n/m 05/07/2025
19:00:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/mn/an/m2 (1 Low)6 (1 Low)
*1
05/07/2025
19:00:00
Sunderland Silksworth
Timeseries Graph
48 (2 Low)3 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Sunderland Wessington Way
Timeseries Graph
n/m3 (1 Low)n/m2 (1 Low)n/m 05/07/2025
19:00:00

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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
37 (2 Low)11 (1 Low)n/m1 (1 Low)2 (1 Low)
*2
05/07/2025
19:00:00
Aberdeen Wellington Road
Timeseries Graph
n/m17 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Dundee Mains Loan
Timeseries Graph
n/m1 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Perth Glasgow Road
Timeseries Graph
n/m10 (1 Low)n/mn/mn/m 05/07/2025
19:00:00

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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
53 (2 Low)2 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Wrexham
Timeseries Graph
n/m4 (1 Low)1 (1 Low)2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00

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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/m6 (1 Low)n/m3 (1 Low)n/m 05/07/2025
19:00:00
Blackburn Accrington Road
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Blackburn Audley Park
Timeseries Graph
44 (2 Low)n/mn/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Blackpool Marton
Timeseries Graph
50 (2 Low)4 (1 Low)n/m6 (1 Low)13 (1 Low)
*2
05/07/2025
19:00:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m7 (1 Low)n/m 05/07/2025
19:00:00
Bury Whitefield Roadside
Timeseries Graph
n/m6 (1 Low)n/mn/m9 (1 Low)
*1
05/07/2025
19:00:00
Carlisle Morton A595
Timeseries Graph
n/m2 (1 Low)n/m5 (1 Low)7 (1 Low)
*1
05/07/2025
19:00:00
Crewe Coppenhall
Timeseries Graph
50 (2 Low)2 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Glazebury
Timeseries Graph
49 (2 Low)2 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Liverpool Speke
Timeseries Graph
51 (2 Low)3 (1 Low)1 (1 Low)5 (1 Low)7 (1 Low)
*1
05/07/2025
19:00:00
Liverpool Thirlmere Park
Timeseries Graph
49 (2 Low)n/mn/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Manchester Piccadilly
Timeseries Graph
42 (2 Low)10 (1 Low)2 (1 Low)n/an/a 05/07/2025
19:00:00
Manchester Sharston
Timeseries Graph
36 (2 Low)11 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m2 (1 Low)n/m 05/07/2025
19:00:00
Preston
Timeseries Graph
45 (2 Low)5 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
Salford Eccles
Timeseries Graph
47 (2 Low)3 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Shaw Crompton Way
Timeseries Graph
n/m10 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
St Helens Linkway
Timeseries Graph
n/m15 (1 Low)n/mn/m4 (1 Low)
*1
05/07/2025
19:00:00
Tameside A635 Manchester Road
Timeseries Graph
n/mn/mn/mn/an/m 02/07/2025
14:00:00
Warrington
Timeseries Graph
n/mn/an/m1 (1 Low)5 (1 Low)
*1
05/07/2025
19:00:00
Widnes Milton Road
Timeseries Graph
n/m9 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Wigan Centre
Timeseries Graph
51 (2 Low)2 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Wirral Tranmere
Timeseries Graph
47 (2 Low)3 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00

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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/m15 (1 Low)n/mn/m7 (1 Low)
*1
05/07/2025
19:00:00
Ballymena Antrim Road
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Ballymena Ballykeel
Timeseries Graph
n/mn/an/an/mn/m 04/07/2025
10:00:00
Belfast Centre
Timeseries Graph
31 (1 Low)3 (1 Low)1 (1 Low)2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Belfast Stockman's Lane
Timeseries Graph
n/m16 (1 Low)n/mn/m6 (1 Low)
*1
05/07/2025
19:00:00
Derry Rosemount
Timeseries Graph
45 (2 Low)3 (1 Low)1 (1 Low)1 (1 Low)3 (1 Low)
*1
05/07/2025
19:00:00
Lough Navar
Timeseries Graph
36 (2 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00

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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/mn/an/mn/mn/m 05/07/2025
08:00:00
Eskdalemuir
Timeseries Graph
43 (2 Low)0 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Peebles
Timeseries Graph
47 (2 Low)0 (1 Low)n/mn/mn/m 05/07/2025
19:00:00

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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
50 (2 Low)5 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
05/07/2025
19:00:00
Chatham Roadside
Timeseries Graph
n/m5 (1 Low)n/m3 (1 Low)15 (1 Low)
*1
05/07/2025
19:00:00
Chilbolton Observatory
Timeseries Graph
56 (2 Low)1 (1 Low)2 (1 Low)4 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Eastbourne
Timeseries Graph
63 (2 Low)4 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
05/07/2025
19:00:00
Farnborough Cherrywood
Timeseries Graph
n/mn/mn/m5 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
Horley
Timeseries Graph
n/m12 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00
Lullington Heath
Timeseries Graph
70 (3 Low)3 (1 Low)1 (1 Low)7 (1 Low)13 (1 Low)
*2
05/07/2025
19:00:00
Maidstone Upper Stone Street
Timeseries Graph
n/mn/mn/m6 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
Milton Keynes Civic Centre
Timeseries Graph
53 (2 Low)n/mn/m3 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Oxford Centre Roadside
Timeseries Graph
n/m2 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Oxford St Ebbes
Timeseries Graph
50 (2 Low)1 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Portsmouth
Timeseries Graph
52 (2 Low)4 (1 Low)n/m7 (1 Low)12 (1 Low)
*2
05/07/2025
19:00:00
Portsmouth Anglesea Road
Timeseries Graph
n/m9 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
05/07/2025
19:00:00
Reading London Road
Timeseries Graph
n/m8 (1 Low)n/mn/m15 (1 Low)
*1
05/07/2025
19:00:00
Reading New Town
Timeseries Graph
46 (2 Low)4 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
Reading Rose Kiln Lane
Timeseries Graph
n/mn/mn/m4 (1 Low)n/m 05/07/2025
19:00:00
Rochester Stoke
Timeseries Graph
57 (2 Low)3 (1 Low)2 (1 Low)5 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
Slough Windmill Bath Road
Timeseries Graph
n/mn/mn/m5 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
Southampton A33
Timeseries Graph
n/m6 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
05/07/2025
19:00:00
Southampton Centre
Timeseries Graph
39 (2 Low)7 (1 Low)2 (1 Low)6 (1 Low)11 (1 Low)
*2
05/07/2025
19:00:00
Storrington Roadside
Timeseries Graph
n/m7 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
05/07/2025
19:00:00
Worthing A27 Roadside
Timeseries Graph
n/m13 (1 Low)n/m7 (1 Low)n/m 05/07/2025
19:00:00
Worthing East Ten Acres
Timeseries Graph
n/mn/mn/m7 (1 Low)13 (1 Low)
*2
05/07/2025
19:00:00

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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
41 (2 Low)3 (1 Low)1 (1 Low)7 (1 Low)11 (1 Low)
*1
05/07/2025
19:00:00
Cardiff Newport Road
Timeseries Graph
n/m3 (1 Low)n/mn/m17 (2 Low)
*1
05/07/2025
19:00:00
Chepstow A48
Timeseries Graph
n/m15 (1 Low)n/m3 (1 Low)10 (1 Low)
*1
05/07/2025
19:00:00
Cwmbran Crownbridge
Timeseries Graph
51 (2 Low)1 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/m10 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Narberth
Timeseries Graph
44 (2 Low)1 (1 Low)1 (1 Low)4 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Newport
Timeseries Graph
n/m2 (1 Low)n/m3 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
Port Talbot Margam
Timeseries Graph
47 (2 Low)2 (1 Low)1 (1 Low)2 (1 Low)14 (1 Low)
*3
05/07/2025
19:00:00
Swansea Roadside
Timeseries Graph
n/m9 (1 Low)n/m4 (1 Low)9 (1 Low)
*1
05/07/2025
19:00:00

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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/m4 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
Bath A4 Roadside
Timeseries Graph
n/m13 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Bournemouth
Timeseries Graph
54 (2 Low)2 (1 Low)n/m6 (1 Low)n/m 05/07/2025
19:00:00
Bristol St Paul's
Timeseries Graph
46 (2 Low)2 (1 Low)n/m5 (1 Low)12 (1 Low)
*1
05/07/2025
19:00:00
Bristol Temple Way
Timeseries Graph
n/m7 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
05/07/2025
19:00:00
Charlton Mackrell
Timeseries Graph
46 (2 Low)2 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Cheltenham A40 Gloucester Road
Timeseries Graph
n/mn/mn/m1 (1 Low)n/m 05/07/2025
19:00:00
Christchurch Barrack Road
Timeseries Graph
n/m1 (1 Low)n/m7 (1 Low)n/m 05/07/2025
19:00:00
Exeter Roadside
Timeseries Graph
41 (2 Low)6 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Gloucester Tredworth
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Honiton
Timeseries Graph
43 (2 Low)2 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
London Farringdon Street
Timeseries Graph
n/m22 (1 Low)n/m6 (1 Low)n/m 05/07/2025
19:00:00
Plymouth Centre
Timeseries Graph
43 (2 Low)6 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
05/07/2025
19:00:00
Plymouth Tavistock Road
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 05/07/2025
18:00:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m3 (1 Low)10 (1 Low)
*1
05/07/2025
19:00:00
Swindon Walcot
Timeseries Graph
35 (2 Low)1 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Yarner Wood
Timeseries Graph
40 (2 Low)1 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00

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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
53 (2 Low)n/mn/mn/mn/m 05/07/2025
19:00:00

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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
43 (2 Low)10 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Birmingham Hall Green
Timeseries Graph
57 (2 Low)3 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Birmingham Ladywood
Timeseries Graph
n/an/an/a2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Burton-on-Trent Horninglow
Timeseries Graph
51 (2 Low)3 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Cannock A5190 Roadside
Timeseries Graph
n/m5 (1 Low)n/m2 (1 Low)n/m 05/07/2025
19:00:00
Coventry Allesley
Timeseries Graph
49 (2 Low)1 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Coventry Binley Road
Timeseries Graph
n/m14 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
05/07/2025
19:00:00
Leamington Spa
Timeseries Graph
57 (2 Low)3 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Leamington Spa Rugby Road
Timeseries Graph
n/m3 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Leominster
Timeseries Graph
51 (2 Low)1 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Oldbury Birmingham Road
Timeseries Graph
n/mn/an/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Shrewsbury Underdale
Timeseries Graph
n/mn/mn/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m9 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Stoke-on-Trent Centre
Timeseries Graph
45 (2 Low)6 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Telford Hollinswood
Timeseries Graph
56 (2 Low)4 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
05/07/2025
19:00:00
Walsall Woodlands
Timeseries Graph
n/an/an/mn/mn/m 30/06/2025
20:00:00
West Bromwich Kenrick Park
Timeseries Graph
45 (2 Low)2 (1 Low)n/mn/mn/m 05/07/2025
19:00:00
Worcester Tolladine
Timeseries Graph
n/mn/mn/m3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00

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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
41 (2 Low)3 (1 Low)1 (1 Low)4 (1 Low)10 (1 Low)
*2
05/07/2025
19:00:00
Bradford Mayo Avenue
Timeseries Graph
n/m14 (1 Low)n/mn/mn/m 05/07/2025
18:00:00
Bradford Shipley Airedale Road
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Dewsbury Ashworth Grange
Timeseries Graph
50 (2 Low)3 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m10 (1 Low)n/m3 (1 Low)n/m 05/07/2025
19:00:00
Harrogate Woodlands
Timeseries Graph
n/mn/mn/m2 (1 Low)3 (1 Low)
*2
05/07/2025
19:00:00
High Muffles
Timeseries Graph
52 (2 Low)n/an/m2 (1 Low)3 (1 Low)
*2
05/07/2025
19:00:00
Hull Freetown
Timeseries Graph
55 (2 Low)7 (1 Low)1 (1 Low)4 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00
Hull Holderness Road
Timeseries Graph
n/m13 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
05/07/2025
19:00:00
Immingham Woodlands Avenue
Timeseries Graph
59 (2 Low)3 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Leeds Centre
Timeseries Graph
51 (2 Low)7 (1 Low)1 (1 Low)3 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Leeds Headingley Kerbside
Timeseries Graph
n/m8 (1 Low)n/m4 (1 Low)5 (1 Low)
*1
05/07/2025
19:00:00
Rotherham East Dene
Timeseries Graph
n/mn/mn/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
Scunthorpe Town
Timeseries Graph
n/m6 (1 Low)1 (1 Low)3 (1 Low)7 (1 Low)
*1
05/07/2025
19:00:00
Sheffield Barnsley Road
Timeseries Graph
n/m9 (1 Low)n/m2 (1 Low)n/m 05/07/2025
19:00:00
Sheffield Devonshire Green
Timeseries Graph
n/a4 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
05/07/2025
19:00:00
Sheffield Tinsley
Timeseries Graph
47 (2 Low)7 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
05/07/2025
19:00:00
York Bootham
Timeseries Graph
49 (2 Low)2 (1 Low)n/m3 (1 Low)7 (1 Low)
*1
05/07/2025
19:00:00
York Fishergate
Timeseries Graph
n/m5 (1 Low)n/m3 (1 Low)8 (1 Low)
*1
05/07/2025
19:00:00

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