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 1am Mon 2nd Oct 2023

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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
60 (2 Low)n/mn/m3 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Bush Estate
Timeseries Graph
62 (2 Low)4 (1 Low)n/mn/mn/m 01/10/2023
19:00:00
Dumbarton Roadside
Timeseries Graph
n/m14 (1 Low)n/mn/mn/m 01/10/2023
09:00:00
Edinburgh Nicolson Street
Timeseries Graph
n/m30 (1 Low)n/mn/mn/m 01/10/2023
12:00:00
Edinburgh St Leonards
Timeseries Graph
53 (2 Low)13 (1 Low)1 (1 Low)4 (1 Low)7 (1 Low)
*2
01/10/2023
21:00:00
Glasgow Great Western Road
Timeseries Graph
n/m34 (1 Low)n/mn/mn/m 01/10/2023
23:00:00
Glasgow High Street
Timeseries Graph
n/m25 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
02/10/2023
01:00:00
Glasgow Kerbside
Timeseries Graph
n/m48 (1 Low)n/mn/mn/m 01/10/2023
22:00:00
Glasgow Townhead
Timeseries Graph
56 (2 Low)21 (1 Low)n/m5 (1 Low)8 (1 Low)
*2
02/10/2023
01:00:00
Grangemouth
Timeseries Graph
n/m18 (1 Low)2 (1 Low)1 (1 Low)n/a 01/10/2023
07:15:00
Grangemouth Moray
Timeseries Graph
n/m19 (1 Low)n/mn/mn/m 01/10/2023
08:00:00
Greenock A8 Roadside
Timeseries Graph
n/m35 (1 Low)n/m5 (1 Low)10 (1 Low)
*2
01/10/2023
01:00:00

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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
44 (2 Low)12 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Chesterfield Roadside
Timeseries Graph
n/m17 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/10/2023
01:00:00
Derby St Alkmund's Way
Timeseries Graph
n/m35 (1 Low)n/mn/mn/m 01/10/2023
18:00:00
Ladybower
Timeseries Graph
54 (2 Low)5 (1 Low)1 (1 Low)n/mn/m 01/10/2023
05:00:00
Leicester A594 Roadside
Timeseries Graph
n/m31 (1 Low)n/mn/m7 (1 Low)
*1
01/10/2023
20:00:00
Leicester University
Timeseries Graph
56 (2 Low)15 (1 Low)n/m3 (1 Low)4 (1 Low)
*2
02/10/2023
01:00:00
Lincoln Canwick Road
Timeseries Graph
n/m26 (1 Low)n/mn/mn/m 01/10/2023
20:00:00
Northampton Spring Park
Timeseries Graph
66 (2 Low)7 (1 Low)n/m5 (1 Low)n/m 02/10/2023
01:00:00
Nottingham Centre
Timeseries Graph
41 (2 Low)32 (1 Low)1 (1 Low)4 (1 Low)6 (1 Low)
*2
01/10/2023
02:30:00
Nottingham Western Boulevard
Timeseries Graph
n/m32 (1 Low)n/mn/m7 (1 Low)
*1
01/10/2023
19:00:00

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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/m8 (1 Low)11 (1 Low)
*2
02/10/2023
01:00:00
Cambridge Roadside
Timeseries Graph
n/m23 (1 Low)n/mn/mn/m 01/10/2023
20:00:00
Luton A505 Roadside
Timeseries Graph
n/m18 (1 Low)n/mn/mn/m 01/10/2023
17:00:00
Norwich Lakenfields
Timeseries Graph
59 (2 Low)20 (1 Low)n/m7 (1 Low)10 (1 Low)
*2
02/10/2023
01:00:00
Sandy Roadside
Timeseries Graph
n/m19 (1 Low)n/m4 (1 Low)10 (1 Low)
*1
02/10/2023
01:00:00
Sibton
Timeseries Graph
68 (3 Low)n/mn/mn/mn/m 01/10/2023
03:00:00
Southend-on-Sea
Timeseries Graph
66 (2 Low)16 (1 Low)n/m8 (1 Low)12 (1 Low)
*2
02/10/2023
01:00:00
St Osyth
Timeseries Graph
84 (3 Low)17 (1 Low)n/m9 (1 Low)13 (1 Low)
*2
02/10/2023
01:00:00
Stanford-le-Hope Roadside
Timeseries Graph
n/mn/an/m9 (1 Low)n/a 02/10/2023
01:00:00
Thurrock
Timeseries Graph
67 (3 Low)13 (1 Low)1 (1 Low)8 (1 Low)12 (1 Low)
*2
01/10/2023
12:15:00
Weybourne
Timeseries Graph
53 (2 Low)n/mn/m5 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Wicken Fen
Timeseries Graph
61 (2 Low)5 (1 Low)33 (1 Low)6 (1 Low)8 (1 Low)
*2
01/10/2023
16:30:00

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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/m31 (1 Low)n/m10 (1 Low)15 (1 Low)
*1
02/10/2023
01:00:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m20 (2 Low)
*1
02/10/2023
01:00:00
Haringey Roadside
Timeseries Graph
n/m43 (1 Low)n/mn/mn/m 01/10/2023
23:00:00
London Bexley
Timeseries Graph
n/m21 (1 Low)n/m10 (1 Low)14 (1 Low)
*2
02/10/2023
01:00:00
London Bloomsbury
Timeseries Graph
70 (3 Low)17 (1 Low)1 (1 Low)9 (1 Low)12 (1 Low)
*2
01/10/2023
04:15:00
London Eltham
Timeseries Graph
n/an/an/mn/an/a 04/07/2023
01:00:00
London Haringey Priory Park South
Timeseries Graph
50 (2 Low)21 (1 Low)n/mn/mn/m 01/10/2023
01:00:00
London Harlington
Timeseries Graph
52 (2 Low)51 (1 Low)n/m7 (1 Low)10 (1 Low)
*2
01/10/2023
20:00:00
London Hillingdon
Timeseries Graph
32 (1 Low)48 (1 Low)n/m8 (1 Low)11 (1 Low)
*2
02/10/2023
01:00:00
London Honor Oak Park
Timeseries Graph
n/mn/mn/m8 (1 Low)12 (1 Low)
*2
02/10/2023
01:00:00
London Marylebone Road
Timeseries Graph
36 (2 Low)54 (1 Low)2 (1 Low)11 (1 Low)17 (2 Low)
*1
01/10/2023
18:45:00
London N. Kensington
Timeseries Graph
67 (3 Low)14 (1 Low)1 (1 Low)7 (1 Low)10 (1 Low)
*2
01/10/2023
12:15:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m9 (1 Low)14 (1 Low)
*2
02/10/2023
01:00:00
London Westminster
Timeseries Graph
67 (3 Low)12 (1 Low)n/m11 (1 Low)n/m 02/10/2023
01:00:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m16 (1 Low)n/mn/m19 (2 Low)
*1
01/10/2023
24:00:
Tower Hamlets Roadside
Timeseries Graph
n/m21 (1 Low)n/mn/mn/m 01/10/2023
02:00:00

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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)7 (1 Low)n/mn/mn/m 01/10/2023
20:00:00
Inverness
Timeseries Graph
n/m24 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
02/10/2023
01:00:00
Lerwick
Timeseries Graph
70 (3 Low)n/mn/mn/mn/m 01/10/2023
10:00:00
Strathvaich
Timeseries Graph
73 (3 Low)n/mn/mn/mn/m 02/10/2023
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
Billingham
Timeseries Graph
n/m18 (1 Low)n/mn/mn/m 01/10/2023
21:00:00
Hartlepool St Abbs Walk
Timeseries Graph
61 (2 Low)17 (1 Low)n/m5 (1 Low)7 (1 Low)
*2
02/10/2023
01:00:00
Middlesbrough
Timeseries Graph
67 (3 Low)12 (1 Low)2 (1 Low)2 (1 Low)9 (1 Low)
*1
01/10/2023
06:15:00
Newcastle Centre
Timeseries Graph
52 (2 Low)41 (1 Low)n/m7 (1 Low)12 (1 Low)
*1
02/10/2023
01:00:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m42 (1 Low)n/mn/m6 (1 Low)
*1
01/10/2023
24:00:
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m24 (1 Low)n/m2 (1 Low)n/m 02/10/2023
01:00:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m8 (1 Low)n/m9 (1 Low)8 (1 Low)
*1
02/10/2023
01:00:00
Sunderland Silksworth
Timeseries Graph
64 (2 Low)21 (1 Low)n/m5 (1 Low)7 (1 Low)
*2
02/10/2023
01:00:00
Sunderland Wessington Way
Timeseries Graph
n/m29 (1 Low)n/mn/mn/m 01/10/2023
22:00:00

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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
54 (2 Low)24 (1 Low)n/m5 (1 Low)7 (1 Low)
*2
02/10/2023
01:00:00
Aberdeen Union Street Roadside
Timeseries Graph
n/m36 (1 Low)n/mn/mn/m 01/10/2023
21:00:00
Aberdeen Wellington Road
Timeseries Graph
n/m42 (1 Low)n/mn/mn/m 01/10/2023
20:00:00
Dundee Mains Loan
Timeseries Graph
n/m20 (1 Low)n/mn/mn/m 01/10/2023
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
58 (2 Low)1 (1 Low)n/mn/mn/m 02/10/2023
01:00:00
Wrexham
Timeseries Graph
n/m14 (1 Low)4 (1 Low)3 (1 Low)5 (1 Low)
*2
01/10/2023
19:30:00

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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/m21 (1 Low)n/mn/mn/m 01/10/2023
02:00:00
Blackburn Accrington Road
Timeseries Graph
n/m37 (1 Low)n/mn/mn/m 01/10/2023
21:00:00
Blackburn Audley Park
Timeseries Graph
48 (2 Low)n/mn/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Blackpool Marton
Timeseries Graph
56 (2 Low)19 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
02/10/2023
01:00:00
Bury Whitefield Roadside
Timeseries Graph
n/m32 (1 Low)n/mn/m7 (1 Low)
*1
01/10/2023
23:00:00
Carlisle Morton A595
Timeseries Graph
n/m18 (1 Low)n/m6 (1 Low)8 (1 Low)
*1
02/10/2023
01:00:00
Crewe Coppenhall
Timeseries Graph
44 (2 Low)15 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Glazebury
Timeseries Graph
45 (2 Low)22 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Liverpool Speke
Timeseries Graph
47 (2 Low)25 (1 Low)2 (1 Low)3 (1 Low)7 (1 Low)
*1
01/10/2023
02:30:00
Manchester Piccadilly
Timeseries Graph
27 (1 Low)31 (1 Low)1 (1 Low)5 (1 Low)8 (1 Low)
*2
01/10/2023
21:15:00
Manchester Sharston
Timeseries Graph
52 (2 Low)41 (1 Low)n/mn/mn/m 01/10/2023
03:00:00
Preston
Timeseries Graph
50 (2 Low)22 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Salford Eccles
Timeseries Graph
42 (2 Low)32 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
02/10/2023
01:00:00
Shaw Crompton Way
Timeseries Graph
n/m34 (1 Low)n/mn/mn/m 01/10/2023
20:00:00
St Helens Linkway
Timeseries Graph
n/m34 (1 Low)n/mn/m9 (1 Low)
*1
01/10/2023
21:00:00
Warrington
Timeseries Graph
n/m15 (1 Low)n/m2 (1 Low)5 (1 Low)
*1
02/10/2023
01:00:00
Widnes Milton Road
Timeseries Graph
n/m48 (1 Low)n/mn/mn/m 01/10/2023
22:00:00
Wigan Centre
Timeseries Graph
48 (2 Low)18 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Wirral Tranmere
Timeseries Graph
44 (2 Low)13 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00

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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/m31 (1 Low)n/mn/m18 (2 Low)
*1
01/10/2023
20:00:00
Ballymena Antrim Road
Timeseries Graph
n/m33 (1 Low)n/mn/mn/m 01/10/2023
19:00:00
Ballymena Ballykeel
Timeseries Graph
n/m11 (1 Low)1 (1 Low)n/mn/m 01/10/2023
02:30:00
Belfast Centre
Timeseries Graph
58 (2 Low)36 (1 Low)2 (1 Low)6 (1 Low)10 (1 Low)
*2
01/10/2023
09:45:00
Belfast Stockman's Lane
Timeseries Graph
n/m65 (1 Low)n/mn/m22 (2 Low)
*1
01/10/2023
19:00:00
Derry Rosemount
Timeseries Graph
57 (2 Low)12 (1 Low)2 (1 Low)5 (1 Low)10 (1 Low)
*1
01/10/2023
24:00:
Lough Navar
Timeseries Graph
54 (2 Low)n/mn/m4 (1 Low)8 (1 Low)
*2
02/10/2023
01:00:00

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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/m42 (1 Low)n/mn/mn/m 01/10/2023
22:00:00
Eskdalemuir
Timeseries Graph
56 (2 Low)2 (1 Low)n/mn/mn/m 01/10/2023
19:00:00
Peebles
Timeseries Graph
62 (2 Low)10 (1 Low)n/mn/mn/m 01/10/2023
18:00:00

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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
Brighton Preston Park
Timeseries Graph
69 (3 Low)27 (1 Low)n/m6 (1 Low)n/m 02/10/2023
01:00:00
Canterbury
Timeseries Graph
80 (3 Low)10 (1 Low)n/m10 (1 Low)15 (1 Low)
*2
02/10/2023
01:00:00
Chatham Roadside
Timeseries Graph
n/m19 (1 Low)n/m6 (1 Low)17 (2 Low)
*1
02/10/2023
01:00:00
Chilbolton Observatory
Timeseries Graph
66 (2 Low)7 (1 Low)2 (1 Low)7 (1 Low)9 (1 Low)
*2
01/10/2023
04:30:00
Eastbourne
Timeseries Graph
n/mn/an/mn/an/a 27/07/2023
01:00:00
Horley
Timeseries Graph
n/mn/an/mn/mn/m 06/09/2023
21:00:00
Lullington Heath
Timeseries Graph
83 (3 Low)12 (1 Low)2 (1 Low)9 (1 Low)13 (1 Low)
*2
01/10/2023
16:45:00
Milton Keynes Civic Centre
Timeseries Graph
n/an/mn/mn/an/a 29/09/2023
01:00:00
Oxford Centre Roadside
Timeseries Graph
n/m45 (1 Low)n/mn/mn/m 01/10/2023
21:00:00
Oxford St Ebbes
Timeseries Graph
62 (2 Low)11 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Portsmouth
Timeseries Graph
68 (3 Low)18 (1 Low)n/m8 (1 Low)12 (1 Low)
*2
02/10/2023
01:00:00
Portsmouth Anglesea Road
Timeseries Graph
n/m36 (1 Low)n/mn/m15 (1 Low)
*1
01/10/2023
18:00:00
Reading London Road
Timeseries Graph
n/m16 (1 Low)n/mn/m19 (2 Low)
*1
01/10/2023
22:00:00
Reading New Town
Timeseries Graph
50 (2 Low)17 (1 Low)n/m7 (1 Low)10 (1 Low)
*2
02/10/2023
01:00:00
Rochester Stoke
Timeseries Graph
70 (3 Low)10 (1 Low)1 (1 Low)12 (2 Low)16 (1 Low)
*2
01/10/2023
20:00:00
Southampton A33
Timeseries Graph
n/m37 (1 Low)n/mn/m13 (1 Low)
*1
01/10/2023
08:00:00
Southampton Centre
Timeseries Graph
54 (2 Low)54 (1 Low)1 (1 Low)8 (1 Low)11 (1 Low)
*2
01/10/2023
15:45:00
Storrington Roadside
Timeseries Graph
n/m20 (1 Low)n/mn/mn/m 01/10/2023
17:00:00
Worthing A27 Roadside
Timeseries Graph
n/m42 (1 Low)n/m8 (1 Low)n/m 02/10/2023
01:00:00

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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
56 (2 Low)23 (1 Low)7 (1 Low)17 (2 Low)13 (1 Low)
*1
01/10/2023
14:15:00
Cardiff Newport Road
Timeseries Graph
n/m16 (1 Low)n/mn/m4 (1 Low)
*1
01/10/2023
21:00:00
Chepstow A48
Timeseries Graph
n/m23 (1 Low)n/m3 (1 Low)3 (1 Low)
*1
02/10/2023
01:00:00
Cwmbran Crownbridge
Timeseries Graph
44 (2 Low)7 (1 Low)n/mn/mn/m 01/10/2023
02:00:00
Hafod-yr-ynys Roadside
Timeseries Graph
n/mn/an/mn/mn/m 14/09/2023
17:00:00
Narberth
Timeseries Graph
59 (2 Low)8 (1 Low)1 (1 Low)3 (1 Low)6 (1 Low)
*2
01/10/2023
12:30:00
Newport
Timeseries Graph
n/m9 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Port Talbot Margam
Timeseries Graph
48 (2 Low)19 (1 Low)80 (1 Low)5 (1 Low)19 (2 Low)
*3
01/10/2023
08:00:00
Swansea Roadside
Timeseries Graph
n/mn/an/mn/an/a 13/09/2023
01:00:00

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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)1 (1 Low)
*1
02/10/2023
01:00:00
Bath A4 Roadside
Timeseries Graph
n/m22 (1 Low)n/mn/mn/m 01/10/2023
17:00:00
Bournemouth
Timeseries Graph
82 (3 Low)15 (1 Low)n/m6 (1 Low)n/m 02/10/2023
01:00:00
Bristol St Paul's
Timeseries Graph
65 (2 Low)13 (1 Low)n/m2 (1 Low)6 (1 Low)
*1
02/10/2023
01:00:00
Bristol Temple Way
Timeseries Graph
n/m31 (1 Low)n/mn/m3 (1 Low)
*1
01/10/2023
11:00:00
Charlton Mackrell
Timeseries Graph
67 (3 Low)5 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Christchurch Barrack Road
Timeseries Graph
n/m15 (1 Low)n/m6 (1 Low)n/m 02/10/2023
01:00:00
Exeter Roadside
Timeseries Graph
54 (2 Low)14 (1 Low)n/mn/mn/m 01/10/2023
02:00:00
Honiton
Timeseries Graph
59 (2 Low)7 (1 Low)n/m4 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Plymouth Centre
Timeseries Graph
55 (2 Low)32 (1 Low)n/m8 (1 Low)11 (1 Low)
*2
02/10/2023
01:00:00
Plymouth Tavistock Road
Timeseries Graph
n/m17 (1 Low)n/mn/mn/m 01/10/2023
21:00:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m4 (1 Low)5 (1 Low)
*1
02/10/2023
01:00:00
Swindon Walcot
Timeseries Graph
66 (2 Low)2 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Yarner Wood
Timeseries Graph
63 (2 Low)5 (1 Low)n/m1 (1 Low)2 (1 Low)
*2
02/10/2023
01:00:00

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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
77 (3 Low)n/mn/mn/mn/m 01/10/2023
03:00:00

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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
Birmingham A4540 Roadside
Timeseries Graph
48 (2 Low)33 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Birmingham Ladywood
Timeseries Graph
62 (2 Low)15 (1 Low)2 (1 Low)2 (1 Low)3 (1 Low)
*2
01/10/2023
17:45:00
Burton-on-Trent Horninglow
Timeseries Graph
46 (2 Low)26 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
02/10/2023
01:00:00
Cannock A5190 Roadside
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 01/10/2023
22:00:00
Coventry Allesley
Timeseries Graph
55 (2 Low)7 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/10/2023
01:00:00
Coventry Binley Road
Timeseries Graph
n/m25 (1 Low)n/mn/m8 (1 Low)
*1
01/10/2023
20:00:00
Leamington Spa
Timeseries Graph
71 (3 Low)8 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/10/2023
01:00:00
Leamington Spa Rugby Road
Timeseries Graph
n/m7 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
02/10/2023
01:00:00
Leominster
Timeseries Graph
66 (2 Low)3 (1 Low)n/mn/mn/m 01/10/2023
02:00:00
Oldbury Birmingham Road
Timeseries Graph
n/m23 (1 Low)n/mn/mn/m 01/10/2023
20:00:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m44 (1 Low)n/mn/m10 (1 Low)
*1
01/10/2023
20:00:00
Stoke-on-Trent Centre
Timeseries Graph
43 (2 Low)21 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Telford Hollinswood
Timeseries Graph
50 (2 Low)13 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
02/10/2023
01:00:00
Walsall Woodlands
Timeseries Graph
62 (2 Low)12 (1 Low)n/mn/mn/m 01/10/2023
02:00:00
West Bromwich Kenrick Park
Timeseries Graph
60 (2 Low)21 (1 Low)n/mn/mn/m 01/10/2023
02:00:00

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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
48 (2 Low)19 (1 Low)3 (1 Low)4 (1 Low)6 (1 Low)
*2
01/10/2023
17:30:00
Bradford Mayo Avenue
Timeseries Graph
n/m30 (1 Low)n/mn/mn/m 01/10/2023
20:00:00
Dewsbury Ashworth Grange
Timeseries Graph
41 (2 Low)26 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m36 (1 Low)n/mn/mn/m 01/10/2023
23:00:00
High Muffles
Timeseries Graph
58 (2 Low)5 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Hull Freetown
Timeseries Graph
54 (2 Low)29 (1 Low)1 (1 Low)4 (1 Low)8 (1 Low)
*2
01/10/2023
18:15:00
Hull Holderness Road
Timeseries Graph
n/m45 (1 Low)n/mn/m11 (1 Low)
*1
01/10/2023
19:00:00
Immingham Woodlands Avenue
Timeseries Graph
56 (2 Low)6 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Leeds Centre
Timeseries Graph
39 (2 Low)36 (1 Low)3 (1 Low)5 (1 Low)7 (1 Low)
*2
01/10/2023
05:00:00
Leeds Headingley Kerbside
Timeseries Graph
n/m35 (1 Low)n/m6 (1 Low)9 (1 Low)
*1
02/10/2023
01:00:00
Scunthorpe Town
Timeseries Graph
n/m12 (1 Low)1 (1 Low)n/m5 (1 Low)
*1
01/10/2023
12:45:00
Sheffield Barnsley Road
Timeseries Graph
n/m47 (1 Low)n/m7 (1 Low)n/m 02/10/2023
01:00:00
Sheffield Devonshire Green
Timeseries Graph
30 (1 Low)21 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
02/10/2023
01:00:00
Sheffield Tinsley
Timeseries Graph
40 (2 Low)34 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
02/10/2023
01:00:00
York Bootham
Timeseries Graph
40 (2 Low)34 (1 Low)n/m3 (1 Low)9 (1 Low)
*1
02/10/2023
01:00:00
York Fishergate
Timeseries Graph
n/m23 (1 Low)n/m7 (1 Low)12 (1 Low)
*1
02/10/2023
01:00:00

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