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.

  • PM10 data is from a FDMS PM10 instrument type unless specified
  • View the legend
  • Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to 9am Wed 31st May 2023

Filter by region:

Central Scotland

24 Hour Summary, based on data provided by Environment Agency
Monitoring site Running 8 Hour mean Ozone
(µgm-3)
Hourly mean
Nitrogen dioxide
(µgm-3)
Max 15 min mean
Sulphur dioxide
(µgm-3)
Running 24 Hour mean
PM2.5
Particles
(µgm-3)
Running 24 Hour mean
PM10
Particles
(µgm-3)
Last
updated
Auchencorth Moss
Timeseries Graph
91 (3 Low)n/mn/m6 (1 Low)12 (1 Low)
*2
31/05/2023
01:00:00
Bush Estate
Timeseries Graph
88 (3 Low)8 (1 Low)n/mn/mn/m 30/05/2023
21:00:00
Dumbarton Roadside
Timeseries Graph
n/mn/an/mn/mn/m 23/05/2023
18:00:00
Edinburgh Nicolson Street
Timeseries Graph
n/m29 (1 Low)n/mn/mn/m 31/05/2023
09:00:00
Edinburgh St Leonards
Timeseries Graph
74 (3 Low)10 (1 Low)3 (1 Low)6 (1 Low)12 (1 Low)
*2
30/05/2023
22:00:00
Glasgow Great Western Road
Timeseries Graph
n/m23 (1 Low)n/mn/mn/m 30/05/2023
21:00:00
Glasgow High Street
Timeseries Graph
n/m32 (1 Low)n/m8 (1 Low)16 (1 Low)
*2
31/05/2023
09:00:00
Glasgow Kerbside
Timeseries Graph
n/m65 (1 Low)n/mn/mn/m 30/05/2023
10:00:00
Glasgow Townhead
Timeseries Graph
102 (4 Moderate)16 (1 Low)n/m8 (1 Low)16 (1 Low)
*2
31/05/2023
09:00:00
Grangemouth
Timeseries Graph
n/m28 (1 Low)152 (2 Low)6 (1 Low)14 (1 Low)
*1
30/05/2023
11:15:00
Grangemouth Moray
Timeseries Graph
n/m23 (1 Low)n/mn/mn/m 30/05/2023
10:00:00
Greenock A8 Roadside
Timeseries Graph
n/m43 (1 Low)n/m8 (1 Low)18 (2 Low)
*2
31/05/2023
09:00:00

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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
75 (3 Low)7 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
31/05/2023
01:00:00
Chesterfield Roadside
Timeseries Graph
n/m121 (2 Low)n/m8 (1 Low)15 (1 Low)
*2
31/05/2023
01:00:00
Derby St Alkmund's Way
Timeseries Graph
n/m22 (1 Low)n/mn/mn/m 31/05/2023
08:00:00
Ladybower
Timeseries Graph
80 (3 Low)5 (1 Low)2 (1 Low)n/mn/m 30/05/2023
20:15:00
Leicester A594 Roadside
Timeseries Graph
n/m16 (1 Low)n/mn/m12 (1 Low)
*1
30/05/2023
14:00:00
Leicester University
Timeseries Graph
73 (3 Low)19 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
31/05/2023
01:00:00
Lincoln Canwick Road
Timeseries Graph
n/m47 (1 Low)n/mn/mn/m 30/05/2023
18:00:00
Northampton Spring Park
Timeseries Graph
68 (3 Low)4 (1 Low)n/mn/an/m 27/05/2023
17:00:00
Nottingham Centre
Timeseries Graph
72 (3 Low)14 (1 Low)1 (1 Low)10 (1 Low)18 (2 Low)
*2
30/05/2023
09:15:00
Nottingham Western Boulevard
Timeseries Graph
n/m35 (1 Low)n/mn/m18 (2 Low)
*1
31/05/2023
08:00:00

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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/m5 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
31/05/2023
01:00:00
Cambridge Roadside
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 30/05/2023
15:00:00
Luton A505 Roadside
Timeseries Graph
n/m50 (1 Low)n/mn/mn/m 31/05/2023
09:00:00
Norwich Lakenfields
Timeseries Graph
82 (3 Low)6 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
31/05/2023
01:00:00
Sandy Roadside
Timeseries Graph
n/m5 (1 Low)n/m2 (1 Low)11 (1 Low)
*1
31/05/2023
01:00:00
Sibton
Timeseries Graph
84 (3 Low)n/mn/mn/mn/m 30/05/2023
10:00:00
Southend-on-Sea
Timeseries Graph
80 (3 Low)11 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
31/05/2023
01:00:00
St Osyth
Timeseries Graph
84 (3 Low)10 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
31/05/2023
01:00:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m23 (1 Low)n/mn/a15 (1 Low)
*1
27/05/2023
01:00:00
Thurrock
Timeseries Graph
81 (3 Low)11 (1 Low)1 (1 Low)6 (1 Low)12 (1 Low)
*2
31/05/2023
07:00:00
Weybourne
Timeseries Graph
84 (3 Low)n/mn/m5 (1 Low)10 (1 Low)
*2
31/05/2023
01:00:00
Wicken Fen
Timeseries Graph
85 (3 Low)3 (1 Low)3 (1 Low)6 (1 Low)11 (1 Low)
*2
30/05/2023
12:15:00

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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/m42 (1 Low)n/m6 (1 Low)17 (2 Low)
*1
31/05/2023
01:00:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m31 (2 Low)
*1
31/05/2023
01:00:00
Haringey Roadside
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 31/05/2023
09:00:00
London Bexley
Timeseries Graph
n/mn/an/mn/an/a 16/05/2023
10:00:00
London Bloomsbury
Timeseries Graph
73 (3 Low)18 (1 Low)1 (1 Low)6 (1 Low)15 (1 Low)
*2
31/05/2023
08:45:00
London Eltham
Timeseries Graph
43 (2 Low)9 (1 Low)n/m5 (1 Low)10 (1 Low)
*2
31/05/2023
01:00:00
London Haringey Priory Park South
Timeseries Graph
65 (2 Low)13 (1 Low)n/mn/mn/m 30/05/2023
14:00:00
London Harlington
Timeseries Graph
79 (3 Low)11 (1 Low)n/m6 (1 Low)14 (1 Low)
*2
31/05/2023
01:00:00
London Hillingdon
Timeseries Graph
72 (3 Low)8 (1 Low)n/m6 (1 Low)13 (1 Low)
*2
31/05/2023
01:00:00
London Honor Oak Park
Timeseries Graph
n/mn/mn/m6 (1 Low)11 (1 Low)
*2
31/05/2023
01:00:00
London Marylebone Road
Timeseries Graph
64 (2 Low)20 (1 Low)1 (1 Low)9 (1 Low)18 (2 Low)
*1
30/05/2023
16:30:00
London N. Kensington
Timeseries Graph
79 (3 Low)6 (1 Low)2 (1 Low)7 (1 Low)13 (1 Low)
*2
30/05/2023
13:45:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m7 (1 Low)14 (1 Low)
*2
31/05/2023
01:00:00
London Westminster
Timeseries Graph
73 (3 Low)28 (1 Low)n/m7 (1 Low)n/m 31/05/2023
01:00:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m26 (1 Low)n/mn/m23 (2 Low)
*1
31/05/2023
07:00:00
Tower Hamlets Roadside
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 31/05/2023
08:00:00

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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
89 (3 Low)9 (1 Low)n/mn/mn/m 30/05/2023
20:00:00
Inverness
Timeseries Graph
n/m21 (1 Low)n/m7 (1 Low)14 (1 Low)
*2
31/05/2023
09:00:00
Lerwick
Timeseries Graph
104 (4 Moderate)n/mn/mn/mn/m 31/05/2023
04:00:00
Strathvaich
Timeseries Graph
78 (3 Low)n/mn/mn/mn/m 30/05/2023
21:00:00

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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/m22 (1 Low)n/mn/mn/m 31/05/2023
07:00:00
Hartlepool St Abbs Walk
Timeseries Graph
73 (3 Low)7 (1 Low)n/m6 (1 Low)18 (2 Low)
*2
31/05/2023
01:00:00
Middlesbrough
Timeseries Graph
63 (2 Low)17 (1 Low)1 (1 Low)4 (1 Low)16 (1 Low)
*1
30/05/2023
12:45:00
Newcastle Centre
Timeseries Graph
69 (3 Low)28 (1 Low)n/m6 (1 Low)14 (1 Low)
*1
31/05/2023
01:00:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m29 (1 Low)n/mn/m7 (1 Low)
*1
30/05/2023
21:00:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m24 (1 Low)n/m4 (1 Low)n/m 31/05/2023
01:00:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m26 (1 Low)n/m9 (1 Low)19 (2 Low)
*1
31/05/2023
01:00:00
Sunderland Silksworth
Timeseries Graph
73 (3 Low)11 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
31/05/2023
01:00:00
Sunderland Wessington Way
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 31/05/2023
09:00:00

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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
78 (3 Low)18 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
31/05/2023
08:00:00
Aberdeen Union Street Roadside
Timeseries Graph
n/m49 (1 Low)n/mn/mn/m 31/05/2023
08:00:00
Aberdeen Wellington Road
Timeseries Graph
n/m89 (2 Low)n/mn/mn/m 31/05/2023
09:00:00
Dundee Mains Loan
Timeseries Graph
n/m12 (1 Low)n/mn/mn/m 30/05/2023
12:00:00

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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
75 (3 Low)5 (1 Low)n/mn/mn/m 30/05/2023
18:00:00
Wrexham
Timeseries Graph
n/m24 (1 Low)6 (1 Low)11 (1 Low)19 (2 Low)
*2
30/05/2023
18:45:00

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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/m27 (1 Low)n/mn/mn/m 31/05/2023
09:00:00
Blackburn Accrington Road
Timeseries Graph
n/m10 (1 Low)n/mn/mn/m 30/05/2023
22:00:00
Blackpool Marton
Timeseries Graph
79 (3 Low)9 (1 Low)n/m8 (1 Low)14 (1 Low)
*2
31/05/2023
01:00:00
Bury Whitefield Roadside
Timeseries Graph
n/m7 (1 Low)n/mn/m15 (1 Low)
*1
30/05/2023
11:00:00
Carlisle Morton A595
Timeseries Graph
n/m8 (1 Low)n/m9 (1 Low)13 (1 Low)
*1
31/05/2023
05:00:00
Crewe Coppenhall
Timeseries Graph
77 (3 Low)10 (1 Low)n/m14 (2 Low)21 (2 Low)
*2
31/05/2023
05:00:00
Glazebury
Timeseries Graph
60 (2 Low)8 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
31/05/2023
01:00:00
Liverpool Speke
Timeseries Graph
76 (3 Low)18 (1 Low)1 (1 Low)9 (1 Low)23 (2 Low)
*1
30/05/2023
23:30:00
Manchester Piccadilly
Timeseries Graph
65 (2 Low)28 (1 Low)2 (1 Low)11 (1 Low)19 (2 Low)
*2
30/05/2023
14:15:00
Manchester Sharston
Timeseries Graph
74 (3 Low)7 (1 Low)n/mn/mn/m 30/05/2023
21:00:00
Preston
Timeseries Graph
80 (3 Low)9 (1 Low)n/m8 (1 Low)15 (1 Low)
*2
31/05/2023
01:00:00
Salford Eccles
Timeseries Graph
71 (3 Low)21 (1 Low)n/m11 (1 Low)28 (2 Low)
*2
31/05/2023
03:00:00
Shaw Crompton Way
Timeseries Graph
n/mn/an/mn/mn/m 26/05/2023
16:00:00
St Helens Linkway
Timeseries Graph
n/m12 (1 Low)n/mn/m18 (2 Low)
*1
30/05/2023
18:00:00
Warrington
Timeseries Graph
n/m16 (1 Low)n/m8 (1 Low)21 (2 Low)
*1
31/05/2023
02:00:00
Widnes Milton Road
Timeseries Graph
n/m33 (1 Low)n/mn/mn/m 30/05/2023
18:00:00
Wigan Centre
Timeseries Graph
85 (3 Low)7 (1 Low)n/m8 (1 Low)14 (1 Low)
*2
31/05/2023
01:00:00
Wirral Tranmere
Timeseries Graph
82 (3 Low)24 (1 Low)n/m8 (1 Low)17 (2 Low)
*2
31/05/2023
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/m40 (1 Low)n/mn/m22 (2 Low)
*1
30/05/2023
12:00:00
Ballymena Antrim Road
Timeseries Graph
n/m18 (1 Low)n/mn/mn/m 30/05/2023
10:00:00
Ballymena Ballykeel
Timeseries Graph
n/m12 (1 Low)1 (1 Low)n/mn/m 30/05/2023
09:15:00
Belfast Centre
Timeseries Graph
76 (3 Low)49 (1 Low)8 (1 Low)11 (1 Low)25 (2 Low)
*2
30/05/2023
16:30:00
Belfast Stockman's Lane
Timeseries Graph
n/m77 (2 Low)n/mn/m33 (2 Low)
*1
30/05/2023
23:00:00
Derry Rosemount
Timeseries Graph
69 (3 Low)22 (1 Low)11 (1 Low)8 (1 Low)9 (1 Low)
*1
30/05/2023
09:15:00
Lough Navar
Timeseries Graph
105 (4 Moderate)n/mn/m5 (1 Low)8 (1 Low)
*2
31/05/2023
08:00:00

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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/m61 (1 Low)n/mn/mn/m 30/05/2023
21:00:00
Eskdalemuir
Timeseries Graph
68 (3 Low)n/an/mn/mn/m 30/05/2023
14:00:00
Peebles
Timeseries Graph
96 (3 Low)4 (1 Low)n/mn/mn/m 30/05/2023
20:00:00

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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
65 (2 Low)6 (1 Low)n/m8 (1 Low)n/m 31/05/2023
01:00:00
Canterbury
Timeseries Graph
90 (3 Low)3 (1 Low)n/m6 (1 Low)13 (1 Low)
*2
31/05/2023
01:00:00
Chatham Roadside
Timeseries Graph
n/m14 (1 Low)n/m4 (1 Low)20 (2 Low)
*1
31/05/2023
01:00:00
Chilbolton Observatory
Timeseries Graph
87 (3 Low)4 (1 Low)1 (1 Low)7 (1 Low)13 (1 Low)
*2
30/05/2023
12:15:00
Eastbourne
Timeseries Graph
n/m11 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
31/05/2023
01:00:00
Horley
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 31/05/2023
09:00:00
Lullington Heath
Timeseries Graph
85 (3 Low)2 (1 Low)2 (1 Low)6 (1 Low)12 (1 Low)
*2
31/05/2023
02:30:00
Milton Keynes Civic Centre
Timeseries Graph
n/mn/mn/m6 (1 Low)11 (1 Low)
*2
31/05/2023
01:00:00
Oxford Centre Roadside
Timeseries Graph
n/m49 (1 Low)n/mn/mn/m 30/05/2023
12:00:00
Oxford St Ebbes
Timeseries Graph
80 (3 Low)6 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
31/05/2023
01:00:00
Portsmouth
Timeseries Graph
86 (3 Low)13 (1 Low)n/m9 (1 Low)19 (2 Low)
*2
31/05/2023
01:00:00
Portsmouth Anglesea Road
Timeseries Graph
n/m18 (1 Low)n/mn/m22 (2 Low)
*1
30/05/2023
18:00:00
Reading London Road
Timeseries Graph
n/m28 (1 Low)n/mn/m18 (2 Low)
*1
31/05/2023
08:00:00
Reading New Town
Timeseries Graph
79 (3 Low)8 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
31/05/2023
01:00:00
Rochester Stoke
Timeseries Graph
86 (3 Low)3 (1 Low)1 (1 Low)7 (1 Low)13 (1 Low)
*2
30/05/2023
14:00:00
Southampton A33
Timeseries Graph
n/m6 (1 Low)n/mn/m15 (1 Low)
*1
30/05/2023
10:00:00
Southampton Centre
Timeseries Graph
84 (3 Low)9 (1 Low)1 (1 Low)8 (1 Low)16 (1 Low)
*2
30/05/2023
17:45:00
Storrington Roadside
Timeseries Graph
n/m41 (1 Low)n/mn/mn/m 31/05/2023
08:00:00
Worthing A27 Roadside
Timeseries Graph
n/m16 (1 Low)n/m8 (1 Low)n/m 31/05/2023
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
87 (3 Low)11 (1 Low)4 (1 Low)14 (2 Low)24 (2 Low)
*1
30/05/2023
24:15:
Cardiff Newport Road
Timeseries Graph
n/m17 (1 Low)n/mn/m19 (2 Low)
*1
30/05/2023
23:00:00
Chepstow A48
Timeseries Graph
n/m26 (1 Low)n/m9 (1 Low)21 (2 Low)
*1
31/05/2023
01:00:00
Cwmbran Crownbridge
Timeseries Graph
83 (3 Low)6 (1 Low)n/mn/mn/m 30/05/2023
18:00:00
Hafod-yr-ynys Roadside
Timeseries Graph
n/m57 (1 Low)n/mn/mn/m 31/05/2023
09:00:00
Narberth
Timeseries Graph
90 (3 Low)5 (1 Low)1 (1 Low)8 (1 Low)14 (1 Low)
*2
30/05/2023
23:30:00
Newport
Timeseries Graph
n/m16 (1 Low)n/m8 (1 Low)17 (2 Low)
*2
31/05/2023
01:00:00
Port Talbot Margam
Timeseries Graph
88 (3 Low)18 (1 Low)9 (1 Low)12 (2 Low)31 (2 Low)
*3
30/05/2023
15:00:00
Swansea Roadside
Timeseries Graph
n/m32 (1 Low)n/m9 (1 Low)18 (2 Low)
*1
31/05/2023
04:00:00

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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/mn/a19 (2 Low)
*1
30/05/2023
01:00:00
Bath A4 Roadside
Timeseries Graph
n/m22 (1 Low)n/mn/mn/m 30/05/2023
14:00:00
Bournemouth
Timeseries Graph
99 (3 Low)7 (1 Low)n/m9 (1 Low)n/m 31/05/2023
01:00:00
Bristol St Paul's
Timeseries Graph
83 (3 Low)7 (1 Low)n/m7 (1 Low)24 (2 Low)
*1
31/05/2023
01:00:00
Bristol Temple Way
Timeseries Graph
n/m23 (1 Low)n/mn/m26 (2 Low)
*1
30/05/2023
18:00:00
Charlton Mackrell
Timeseries Graph
89 (3 Low)3 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
31/05/2023
01:00:00
Christchurch Barrack Road
Timeseries Graph
n/m30 (1 Low)n/m8 (1 Low)n/m 31/05/2023
01:00:00
Exeter Roadside
Timeseries Graph
49 (2 Low)25 (1 Low)n/mn/mn/m 30/05/2023
04:00:00
Honiton
Timeseries Graph
88 (3 Low)10 (1 Low)n/m8 (1 Low)16 (1 Low)
*2
31/05/2023
01:00:00
Plymouth Centre
Timeseries Graph
87 (3 Low)16 (1 Low)n/m8 (1 Low)18 (2 Low)
*2
31/05/2023
03:00:00
Plymouth Tavistock Road
Timeseries Graph
n/m18 (1 Low)n/mn/mn/m 30/05/2023
18:00:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m6 (1 Low)17 (2 Low)
*1
31/05/2023
07:00:00
Swindon Walcot
Timeseries Graph
80 (3 Low)7 (1 Low)n/m7 (1 Low)14 (1 Low)
*2
31/05/2023
01:00:00
Yarner Wood
Timeseries Graph
102 (4 Moderate)4 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
31/05/2023
03:00:00

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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
95 (3 Low)n/mn/mn/mn/m 30/05/2023
19:00:00

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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
68 (3 Low)16 (1 Low)n/m9 (1 Low)20 (2 Low)
*2
31/05/2023
01:00:00
Birmingham Ladywood
Timeseries Graph
74 (3 Low)10 (1 Low)1 (1 Low)9 (1 Low)16 (1 Low)
*2
31/05/2023
04:15:00
Burton-on-Trent Horninglow
Timeseries Graph
64 (2 Low)16 (1 Low)n/m9 (1 Low)16 (1 Low)
*2
31/05/2023
01:00:00
Cannock A5190 Roadside
Timeseries Graph
n/m16 (1 Low)n/mn/mn/m 30/05/2023
18:00:00
Coventry Allesley
Timeseries Graph
73 (3 Low)6 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
31/05/2023
01:00:00
Coventry Binley Road
Timeseries Graph
n/m19 (1 Low)n/mn/m14 (1 Low)
*1
30/05/2023
18:00:00
Leamington Spa
Timeseries Graph
81 (3 Low)6 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
31/05/2023
01:00:00
Leamington Spa Rugby Road
Timeseries Graph
n/m13 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
31/05/2023
01:00:00
Leominster
Timeseries Graph
84 (3 Low)10 (1 Low)n/mn/mn/m 30/05/2023
17:00:00
Oldbury Birmingham Road
Timeseries Graph
n/m19 (1 Low)n/mn/mn/m 31/05/2023
08:00:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m51 (1 Low)n/mn/m23 (2 Low)
*1
30/05/2023
14:00:00
Stoke-on-Trent Centre
Timeseries Graph
70 (3 Low)11 (1 Low)n/m10 (1 Low)17 (2 Low)
*2
31/05/2023
01:00:00
Telford Hollinswood
Timeseries Graph
74 (3 Low)12 (1 Low)n/m9 (1 Low)16 (1 Low)
*2
31/05/2023
03:00:00
Walsall Woodlands
Timeseries Graph
76 (3 Low)10 (1 Low)n/mn/mn/m 31/05/2023
02:00:00
West Bromwich Kenrick Park
Timeseries Graph
66 (2 Low)13 (1 Low)n/mn/mn/m 31/05/2023
06:00:00

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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
80 (3 Low)9 (1 Low)4 (1 Low)8 (1 Low)15 (1 Low)
*2
30/05/2023
19:15:00
Bradford Mayo Avenue
Timeseries Graph
n/m55 (1 Low)n/mn/mn/m 30/05/2023
16:00:00
Dewsbury Ashworth Grove
Timeseries Graph
82 (3 Low)13 (1 Low)n/m8 (1 Low)14 (1 Low)
*2
31/05/2023
01:00:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m32 (1 Low)n/mn/mn/m 30/05/2023
13:00:00
High Muffles
Timeseries Graph
79 (3 Low)1 (1 Low)n/m5 (1 Low)8 (1 Low)
*2
31/05/2023
01:00:00
Hull Freetown
Timeseries Graph
79 (3 Low)14 (1 Low)2 (1 Low)6 (1 Low)15 (1 Low)
*2
30/05/2023
09:15:00
Hull Holderness Road
Timeseries Graph
n/m19 (1 Low)n/mn/m16 (1 Low)
*1
30/05/2023
11:00:00
Immingham Woodlands Avenue
Timeseries Graph
71 (3 Low)14 (1 Low)n/m7 (1 Low)23 (2 Low)
*2
31/05/2023
01:00:00
Leeds Centre
Timeseries Graph
76 (3 Low)13 (1 Low)2 (1 Low)7 (1 Low)13 (1 Low)
*2
30/05/2023
17:45:00
Leeds Headingley Kerbside
Timeseries Graph
n/m36 (1 Low)n/m7 (1 Low)22 (2 Low)
*1
31/05/2023
01:00:00
Scunthorpe Town
Timeseries Graph
n/m9 (1 Low)1 (1 Low)n/m18 (2 Low)
*1
30/05/2023
09:15:00
Sheffield Barnsley Road
Timeseries Graph
n/m50 (1 Low)n/m9 (1 Low)n/m 31/05/2023
01:00:00
Sheffield Devonshire Green
Timeseries Graph
76 (3 Low)20 (1 Low)n/m9 (1 Low)16 (1 Low)
*2
31/05/2023
01:00:00
Sheffield Tinsley
Timeseries Graph
72 (3 Low)12 (1 Low)n/m8 (1 Low)17 (2 Low)
*2
31/05/2023
01:00:00
York Bootham
Timeseries Graph
75 (3 Low)5 (1 Low)n/m6 (1 Low)14 (1 Low)
*1
31/05/2023
01:00:00
York Fishergate
Timeseries Graph
n/m26 (1 Low)n/m5 (1 Low)17 (2 Low)
*1
31/05/2023
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