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 4am Fri 29th Mar 2024


A

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
92 (3 Low)16 (1 Low)n/m13 (2 Low)30 (2 Low)
*2
29/03/2024
02:00
Aberdeen Union Street Roadside
Timeseries Graph
n/m91 (2 Low)n/mn/mn/m 28/03/2024
22:00
Aberdeen Wellington Road
Timeseries Graph
n/m88 (2 Low)n/mn/mn/m 29/03/2024
02:00
Armagh Roadside
Timeseries Graph
n/m73 (2 Low)n/mn/m16 (1 Low)
*1
28/03/2024
18:00
Aston Hill
Timeseries Graph
84 (3 Low)2 (1 Low)n/mn/mn/m 28/03/2024
13:00
Auchencorth Moss
Timeseries Graph
88 (3 Low)n/mn/m4 (1 Low)6 (1 Low)
*2
29/03/2024
03:00

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B

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
Ballymena Antrim Road
Timeseries Graph
n/m66 (1 Low)n/mn/mn/m 28/03/2024
23:00
Ballymena Ballykeel
Timeseries Graph
n/m43 (1 Low)3 (1 Low)n/mn/m 28/03/2024
21:30
Barnsley Gawber
Timeseries Graph
83 (3 Low)20 (1 Low)6 (1 Low)3 (1 Low)5 (1 Low)
*2
28/03/2024
12:30
Barnstaple A39
Timeseries Graph
n/mn/mn/m3 (1 Low)5 (1 Low)
*2
29/03/2024
04:00
Bath A4 Roadside
Timeseries Graph
n/m29 (1 Low)n/mn/mn/m 28/03/2024
08:00
Belfast Centre
Timeseries Graph
63 (2 Low)75 (2 Low)5 (1 Low)8 (1 Low)13 (1 Low)
*2
29/03/2024
00:15
Belfast Stockman's Lane
Timeseries Graph
n/m96 (2 Low)n/mn/m20 (2 Low)
*1
28/03/2024
22:00
Billingham
Timeseries Graph
n/m31 (1 Low)n/mn/mn/m 28/03/2024
21:00
Birkenhead Borough Road
Timeseries Graph
n/m41 (1 Low)n/mn/mn/m 28/03/2024
18:00
Birmingham A4540 Roadside
Timeseries Graph
72 (3 Low)44 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
28/03/2024
24:00
Birmingham Ladywood
Timeseries Graph
87 (3 Low)25 (1 Low)n/a2 (1 Low)4 (1 Low)
*2
04/01/2024
17:00
Blackburn Accrington Road
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 28/03/2024
16:00
Blackburn Audley Park
Timeseries Graph
84 (3 Low)n/mn/m3 (1 Low)5 (1 Low)
*2
28/03/2024
24:00
Blackpool Marton
Timeseries Graph
82 (3 Low)21 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
28/03/2024
24:00
Borehamwood Meadow Park
Timeseries Graph
n/m14 (1 Low)n/mn/an/a 26/03/2024
24:00
Bournemouth
Timeseries Graph
105 (4 Moderate)2 (1 Low)n/m10 (1 Low)n/m 29/03/2024
04:00
Bradford Mayo Avenue
Timeseries Graph
n/m49 (1 Low)n/mn/mn/m 28/03/2024
19:00
Brighton Preston Park
Timeseries Graph
86 (3 Low)5 (1 Low)n/m11 (1 Low)n/m 29/03/2024
04:00
Bristol St Paul's
Timeseries Graph
83 (3 Low)36 (1 Low)n/m3 (1 Low)11 (1 Low)
*1
29/03/2024
04:00
Bristol Temple Way
Timeseries Graph
n/m47 (1 Low)n/mn/m11 (1 Low)
*1
28/03/2024
08:00
Burton-on-Trent Horninglow
Timeseries Graph
83 (3 Low)14 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Bury Whitefield Roadside
Timeseries Graph
n/m32 (1 Low)n/mn/m8 (1 Low)
*1
28/03/2024
21:00
Bush Estate
Timeseries Graph
87 (3 Low)12 (1 Low)n/mn/mn/m 28/03/2024
23:00

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C

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
Cambridge Roadside
Timeseries Graph
n/m31 (1 Low)n/mn/mn/m 28/03/2024
15:00
Camden Kerbside
Timeseries Graph
n/m33 (1 Low)n/m8 (1 Low)14 (1 Low)
*1
29/03/2024
04:00
Cannock A5190 Roadside
Timeseries Graph
n/m16 (1 Low)n/mn/mn/m 28/03/2024
16:00
Canterbury
Timeseries Graph
90 (3 Low)0 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
29/03/2024
04:00
Cardiff Centre
Timeseries Graph
86 (3 Low)22 (1 Low)4 (1 Low)7 (1 Low)9 (1 Low)
*1
28/03/2024
04:15
Cardiff Newport Road
Timeseries Graph
n/m36 (1 Low)n/mn/m10 (1 Low)
*1
28/03/2024
12:00
Carlisle Morton A595
Timeseries Graph
n/m15 (1 Low)n/m6 (1 Low)11 (1 Low)
*1
29/03/2024
02:00
Charlton Mackrell
Timeseries Graph
85 (3 Low)5 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
29/03/2024
04:00
Chatham Roadside
Timeseries Graph
n/m24 (1 Low)n/m4 (1 Low)16 (1 Low)
*1
29/03/2024
01:00
Chepstow A48
Timeseries Graph
n/m59 (1 Low)n/m7 (1 Low)8 (1 Low)
*1
29/03/2024
01:00
Chesterfield Loundsley Green
Timeseries Graph
85 (3 Low)13 (1 Low)n/m3 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Chesterfield Roadside
Timeseries Graph
n/m16 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
28/03/2024
24:00
Chilbolton Observatory
Timeseries Graph
90 (3 Low)8 (1 Low)3 (1 Low)4 (1 Low)7 (1 Low)
*2
28/03/2024
11:45
Christchurch Barrack Road
Timeseries Graph
n/m2 (1 Low)n/m9 (1 Low)n/m 29/03/2024
04:00
Coventry Allesley
Timeseries Graph
85 (3 Low)13 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Coventry Binley Road
Timeseries Graph
n/m21 (1 Low)n/mn/m8 (1 Low)
*1
28/03/2024
19:00
Crewe Coppenhall
Timeseries Graph
84 (3 Low)17 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Cwmbran Crownbridge
Timeseries Graph
100 (3 Low)20 (1 Low)n/mn/mn/m 28/03/2024
21:00

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D

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
Derby St Alkmund's Way
Timeseries Graph
n/m46 (1 Low)n/mn/mn/m 28/03/2024
09:00
Derby Stockbrook Park
Timeseries Graph
79 (3 Low)n/mn/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Derry Rosemount
Timeseries Graph
70 (3 Low)36 (1 Low)18 (1 Low)10 (1 Low)11 (1 Low)
*1
28/03/2024
24:00
Dewsbury Ashworth Grange
Timeseries Graph
84 (3 Low)56 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
28/03/2024
24:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m31 (1 Low)n/mn/mn/m 28/03/2024
18:00
Dumbarton Roadside
Timeseries Graph
n/m28 (1 Low)n/mn/mn/m 28/03/2024
18:00
Dumfries
Timeseries Graph
n/m41 (1 Low)n/mn/mn/m 28/03/2024
17:00
Dundee Mains Loan
Timeseries Graph
n/m14 (1 Low)n/mn/mn/m 28/03/2024
21:00

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E

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
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m14 (1 Low)
*1
28/03/2024
24:00
Eastbourne
Timeseries Graph
90 (3 Low)3 (1 Low)n/m7 (1 Low)16 (1 Low)
*2
29/03/2024
04:00
Edinburgh Nicolson Street
Timeseries Graph
n/m39 (1 Low)n/mn/mn/m 28/03/2024
18:00
Edinburgh St Leonards
Timeseries Graph
87 (3 Low)14 (1 Low)4 (1 Low)7 (1 Low)11 (1 Low)
*2
28/03/2024
15:00
Eskdalemuir
Timeseries Graph
86 (3 Low)4 (1 Low)n/mn/mn/m 27/03/2024
23:00
Exeter Roadside
Timeseries Graph
n/an/an/mn/mn/m 01/02/2024
09:00

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F

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
83 (3 Low)15 (1 Low)n/mn/mn/m 28/03/2024
13:00

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G

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
Glasgow Great Western Road
Timeseries Graph
n/m27 (1 Low)n/mn/mn/m 28/03/2024
17:00
Glasgow High Street
Timeseries Graph
n/m23 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
29/03/2024
04:00
Glasgow Kerbside
Timeseries Graph
n/m77 (2 Low)n/mn/mn/m 28/03/2024
21:00
Glasgow Townhead
Timeseries Graph
79 (3 Low)20 (1 Low)n/m5 (1 Low)8 (1 Low)
*2
29/03/2024
04:00
Glazebury
Timeseries Graph
79 (3 Low)24 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Grangemouth
Timeseries Graph
n/m24 (1 Low)13 (1 Low)8 (1 Low)11 (1 Low)
*1
28/03/2024
19:45
Grangemouth Moray
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 27/03/2024
17:00
Greenock A8 Roadside
Timeseries Graph
n/m48 (1 Low)n/m5 (1 Low)8 (1 Low)
*2
29/03/2024
04:00

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H

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
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/m77 (2 Low)n/mn/mn/m 28/03/2024
07:00
Haringey Roadside
Timeseries Graph
n/m36 (1 Low)n/mn/mn/m 28/03/2024
08:00
Hartlepool St Abbs Walk
Timeseries Graph
87 (3 Low)12 (1 Low)n/m9 (1 Low)20 (2 Low)
*2
28/03/2024
24:00
High Muffles
Timeseries Graph
93 (3 Low)6 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
29/03/2024
02:00
Honiton
Timeseries Graph
89 (3 Low)n/an/m5 (1 Low)9 (1 Low)
*2
29/03/2024
04:00
Horley
Timeseries Graph
n/m29 (1 Low)n/mn/mn/m 28/03/2024
08:00
Hull Freetown
Timeseries Graph
81 (3 Low)20 (1 Low)3 (1 Low)5 (1 Low)10 (1 Low)
*2
28/03/2024
08:15
Hull Holderness Road
Timeseries Graph
n/m28 (1 Low)n/mn/m14 (1 Low)
*1
28/03/2024
19:00

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I

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
Immingham Woodlands Avenue
Timeseries Graph
85 (3 Low)11 (1 Low)n/m4 (1 Low)6 (1 Low)
*2
28/03/2024
24:00
Inverness
Timeseries Graph
n/m32 (1 Low)n/m8 (1 Low)12 (1 Low)
*2
29/03/2024
03:00

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L

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
Ladybower
Timeseries Graph
n/an/an/an/mn/m 03/03/2024
14:15
Leamington Spa
Timeseries Graph
90 (3 Low)12 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Leamington Spa Rugby Road
Timeseries Graph
n/m8 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Leeds Centre
Timeseries Graph
78 (3 Low)31 (1 Low)10 (1 Low)4 (1 Low)8 (1 Low)
*2
28/03/2024
09:00
Leeds Headingley Kerbside
Timeseries Graph
n/m37 (1 Low)n/m7 (1 Low)13 (1 Low)
*1
29/03/2024
01:00
Leicester A594 Roadside
Timeseries Graph
n/m35 (1 Low)n/mn/m6 (1 Low)
*1
28/03/2024
18:00
Leicester University
Timeseries Graph
88 (3 Low)14 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Leominster
Timeseries Graph
89 (3 Low)6 (1 Low)n/mn/mn/m 28/03/2024
22:00
Lerwick
Timeseries Graph
90 (3 Low)n/mn/mn/mn/m 28/03/2024
09:00
Lincoln Canwick Road
Timeseries Graph
n/m23 (1 Low)n/mn/mn/m 28/03/2024
13:00
Liverpool Speke
Timeseries Graph
78 (3 Low)20 (1 Low)12 (1 Low)2 (1 Low)6 (1 Low)
*1
28/03/2024
09:15
London Bexley
Timeseries Graph
n/m16 (1 Low)n/m5 (1 Low)10 (1 Low)
*2
29/03/2024
04:00
London Bloomsbury
Timeseries Graph
80 (3 Low)20 (1 Low)6 (1 Low)5 (1 Low)10 (1 Low)
*2
28/03/2024
05:45
London Eltham
Timeseries Graph
n/an/an/mn/an/a 03/07/2023
24:00
London Haringey Priory Park South
Timeseries Graph
n/a15 (1 Low)n/mn/mn/m 24/03/2024
18:00
London Harlington
Timeseries Graph
85 (3 Low)42 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
29/03/2024
03:00
London Hillingdon
Timeseries Graph
69 (3 Low)55 (1 Low)n/m5 (1 Low)11 (1 Low)
*2
29/03/2024
04:00
London Honor Oak Park
Timeseries Graph
n/mn/mn/m5 (1 Low)9 (1 Low)
*2
29/03/2024
04:00
London Marylebone Road
Timeseries Graph
62 (2 Low)46 (1 Low)10 (1 Low)7 (1 Low)14 (1 Low)
*1
28/03/2024
09:45
London N. Kensington
Timeseries Graph
85 (3 Low)10 (1 Low)3 (1 Low)5 (1 Low)9 (1 Low)
*2
28/03/2024
06:15
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/mn/an/a 09/10/2023
09:00
London Westminster
Timeseries Graph
81 (3 Low)14 (1 Low)n/m4 (1 Low)n/m 29/03/2024
04:00
Lough Navar
Timeseries Graph
72 (3 Low)n/mn/m5 (1 Low)6 (1 Low)
*2
29/03/2024
04:00
Lullington Heath
Timeseries Graph
105 (4 Moderate)5 (1 Low)3 (1 Low)8 (1 Low)16 (1 Low)
*2
28/03/2024
14:15
Luton A505 Roadside
Timeseries Graph
n/m42 (1 Low)n/mn/mn/m 28/03/2024
08:00

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M

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
102 (4 Moderate)n/mn/mn/mn/m 28/03/2024
21:00
Manchester Piccadilly
Timeseries Graph
60 (2 Low)59 (1 Low)2 (1 Low)4 (1 Low)8 (1 Low)
*2
28/03/2024
13:00
Manchester Sharston
Timeseries Graph
91 (3 Low)15 (1 Low)n/mn/mn/m 28/03/2024
14:00
Middlesbrough
Timeseries Graph
84 (3 Low)24 (1 Low)2 (1 Low)n/a11 (1 Low)
*1
28/03/2024
10:15
Milton Keynes Civic Centre
Timeseries Graph
88 (3 Low)n/mn/m3 (1 Low)6 (1 Low)
*2
28/03/2024
24:00

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N

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
Narberth
Timeseries Graph
88 (3 Low)4 (1 Low)3 (1 Low)3 (1 Low)7 (1 Low)
*2
29/03/2024
01:30
Newcastle Centre
Timeseries Graph
84 (3 Low)22 (1 Low)n/m5 (1 Low)17 (2 Low)
*1
28/03/2024
24:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m64 (1 Low)n/mn/m13 (1 Low)
*1
28/03/2024
24:00
Newport
Timeseries Graph
n/m16 (1 Low)n/m3 (1 Low)8 (1 Low)
*2
29/03/2024
04:00
Northampton Spring Park
Timeseries Graph
86 (3 Low)14 (1 Low)n/m6 (1 Low)n/m 28/03/2024
24:00
Norwich Lakenfields
Timeseries Graph
87 (3 Low)7 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
28/03/2024
24:00
Nottingham Kenmore Gardens
Timeseries Graph
80 (3 Low)18 (1 Low)4 (1 Low)3 (1 Low)5 (1 Low)
*2
29/03/2024
02:15
Nottingham Western Boulevard
Timeseries Graph
n/m18 (1 Low)n/mn/m7 (1 Low)
*1
28/03/2024
08:00

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O

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
Oldbury Birmingham Road
Timeseries Graph
n/m35 (1 Low)n/mn/mn/m 28/03/2024
08:00
Oxford Centre Roadside
Timeseries Graph
n/m37 (1 Low)n/mn/mn/m 28/03/2024
14:00
Oxford St Ebbes
Timeseries Graph
81 (3 Low)11 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
29/03/2024
04:00

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P

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
Peebles
Timeseries Graph
99 (3 Low)5 (1 Low)n/mn/mn/m 28/03/2024
22:00
Plymouth Centre
Timeseries Graph
87 (3 Low)37 (1 Low)n/m8 (1 Low)23 (2 Low)
*2
29/03/2024
04:00
Plymouth Tavistock Road
Timeseries Graph
n/mn/an/mn/mn/m 26/03/2024
20:00
Port Talbot Margam
Timeseries Graph
83 (3 Low)16 (1 Low)31 (1 Low)3 (1 Low)15 (1 Low)
*3
28/03/2024
15:15
Portsmouth
Timeseries Graph
93 (3 Low)23 (1 Low)n/m8 (1 Low)16 (1 Low)
*2
28/03/2024
24:00
Portsmouth Anglesea Road
Timeseries Graph
n/m17 (1 Low)n/mn/m23 (2 Low)
*1
28/03/2024
07:00
Preston
Timeseries Graph
79 (3 Low)31 (1 Low)n/m3 (1 Low)4 (1 Low)
*2
28/03/2024
24:00

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R

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
Reading London Road
Timeseries Graph
n/m14 (1 Low)n/mn/m12 (1 Low)
*1
28/03/2024
07:00
Reading New Town
Timeseries Graph
76 (3 Low)10 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
29/03/2024
04:00
Rochester Stoke
Timeseries Graph
85 (3 Low)5 (1 Low)7 (1 Low)5 (1 Low)10 (1 Low)
*2
28/03/2024
11:15

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S

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
Salford Eccles
Timeseries Graph
74 (3 Low)25 (1 Low)n/m4 (1 Low)11 (1 Low)
*2
28/03/2024
24:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m3 (1 Low)19 (2 Low)
*1
29/03/2024
01:00
Sandy Roadside
Timeseries Graph
n/m23 (1 Low)n/m3 (1 Low)11 (1 Low)
*1
29/03/2024
04:00
Scunthorpe Town
Timeseries Graph
n/m20 (1 Low)5 (1 Low)n/m23 (2 Low)
*1
28/03/2024
05:45
Shaw Crompton Way
Timeseries Graph
n/m17 (1 Low)n/mn/mn/m 28/03/2024
22:00
Sheffield Barnsley Road
Timeseries Graph
n/m66 (1 Low)n/m4 (1 Low)n/m 28/03/2024
24:00
Sheffield Devonshire Green
Timeseries Graph
77 (3 Low)37 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
28/03/2024
24:00
Sheffield Tinsley
Timeseries Graph
79 (3 Low)26 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
28/03/2024
24:00
Sibton
Timeseries Graph
85 (3 Low)n/mn/m5 (1 Low)8 (1 Low)
*2
28/03/2024
24:00
Southampton A33
Timeseries Graph
n/m69 (2 Low)n/mn/m17 (2 Low)
*1
28/03/2024
07:00
Southampton Centre
Timeseries Graph
77 (3 Low)41 (1 Low)7 (1 Low)7 (1 Low)13 (1 Low)
*2
28/03/2024
11:15
Southend-on-Sea
Timeseries Graph
82 (3 Low)9 (1 Low)n/m7 (1 Low)12 (1 Low)
*2
29/03/2024
03:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m16 (1 Low)n/mn/m12 (1 Low)
*1
28/03/2024
07:00
St Helens Linkway
Timeseries Graph
n/mn/an/mn/mn/a 29/01/2024
18:00
St Osyth
Timeseries Graph
98 (3 Low)2 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
29/03/2024
02:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m10 (1 Low)n/m4 (1 Low)10 (1 Low)
*1
29/03/2024
04:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m41 (1 Low)n/m4 (1 Low)n/m 29/03/2024
02:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m27 (1 Low)n/m3 (1 Low)12 (1 Low)
*1
28/03/2024
24:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m69 (2 Low)n/mn/m10 (1 Low)
*1
28/03/2024
17:00
Stoke-on-Trent Centre
Timeseries Graph
74 (3 Low)20 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Storrington Roadside
Timeseries Graph
n/m19 (1 Low)n/mn/mn/m 28/03/2024
08:00
Strathvaich
Timeseries Graph
86 (3 Low)n/mn/mn/mn/m 28/03/2024
13:00
Sunderland Silksworth
Timeseries Graph
80 (3 Low)14 (1 Low)n/m7 (1 Low)14 (1 Low)
*2
29/03/2024
01:00
Sunderland Wessington Way
Timeseries Graph
n/m31 (1 Low)n/mn/mn/m 28/03/2024
24:00
Swansea Roadside
Timeseries Graph
n/m46 (1 Low)n/m5 (1 Low)12 (1 Low)
*1
29/03/2024
03:00
Swindon Walcot
Timeseries Graph
88 (3 Low)3 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
29/03/2024
04:00

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T

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
Tallington
Timeseries Graph
89 (3 Low)n/mn/m3 (1 Low)5 (1 Low)
*2
28/03/2024
24:00
Telford Hollinswood
Timeseries Graph
87 (3 Low)13 (1 Low)n/m2 (1 Low)3 (1 Low)
*2
28/03/2024
24:00
Thurrock
Timeseries Graph
89 (3 Low)14 (1 Low)2 (1 Low)5 (1 Low)9 (1 Low)
*2
28/03/2024
05:30
Toft Newton
Timeseries Graph
91 (3 Low)3 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
28/03/2024
24:00
Tower Hamlets Roadside
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 28/03/2024
10:00

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W

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
Walsall Woodlands
Timeseries Graph
87 (3 Low)15 (1 Low)n/mn/mn/m 28/03/2024
13:00
Warrington
Timeseries Graph
n/m28 (1 Low)n/m3 (1 Low)7 (1 Low)
*1
29/03/2024
03:00
West Bromwich Kenrick Park
Timeseries Graph
78 (3 Low)15 (1 Low)n/mn/mn/m 28/03/2024
12:00
Weybourne
Timeseries Graph
84 (3 Low)n/mn/m3 (1 Low)5 (1 Low)
*2
28/03/2024
24:00
Wicken Fen
Timeseries Graph
79 (3 Low)4 (1 Low)3 (1 Low)3 (1 Low)6 (1 Low)
*2
28/03/2024
09:00
Widnes Milton Road
Timeseries Graph
n/m68 (2 Low)n/mn/mn/m 28/03/2024
18:00
Wigan Centre
Timeseries Graph
81 (3 Low)35 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
28/03/2024
24:00
Wirral Tranmere
Timeseries Graph
82 (3 Low)21 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
28/03/2024
24:00
Worthing A27 Roadside
Timeseries Graph
n/m12 (1 Low)n/m10 (1 Low)n/m 29/03/2024
03:00
Wrexham
Timeseries Graph
n/m29 (1 Low)3 (1 Low)2 (1 Low)4 (1 Low)
*2
28/03/2024
21:15

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Y

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
Yarner Wood
Timeseries Graph
95 (3 Low)2 (1 Low)n/m3 (1 Low)7 (1 Low)
*2
29/03/2024
04:00
York Bootham
Timeseries Graph
81 (3 Low)14 (1 Low)n/m5 (1 Low)10 (1 Low)
*1
28/03/2024
24:00
York Fishergate
Timeseries Graph
n/m21 (1 Low)n/m3 (1 Low)14 (1 Low)
*1
29/03/2024
01:00

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