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 2am Wed 14th May 2025


A

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
99 (3 Low)3 (1 Low)n/m7 (1 Low)12 (1 Low)
*2
14/05/2025
02:00:00
Aberdeen Wellington Road
Timeseries Graph
n/m26 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Armagh Roadside
Timeseries Graph
n/m8 (1 Low)n/mn/m16 (1 Low)
*1
14/05/2025
02:00:00
Aston Hill
Timeseries Graph
107 (4 Moderate)3 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Auchencorth Moss
Timeseries Graph
84 (3 Low)n/mn/m10 (1 Low)13 (1 Low)
*2
14/05/2025
02:00:00

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B

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
Ballymena Antrim Road
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Ballymena Ballykeel
Timeseries Graph
n/mn/an/an/mn/m 27/02/2025
09:00:00
Barnsley Gawber
Timeseries Graph
86 (3 Low)n/a1 (1 Low)12 (2 Low)31 (2 Low)
*2
14/05/2025
02:00:00
Barnstaple A39
Timeseries Graph
n/mn/mn/m6 (1 Low)11 (1 Low)
*2
14/05/2025
02:00:00
Bath A4 Roadside
Timeseries Graph
n/m12 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Belfast Centre
Timeseries Graph
61 (2 Low)6 (1 Low)1 (1 Low)8 (1 Low)22 (2 Low)
*2
14/05/2025
02:00:00
Belfast Stockman's Lane
Timeseries Graph
n/m8 (1 Low)n/mn/m26 (2 Low)
*1
14/05/2025
02:00:00
Birkenhead Borough Road
Timeseries Graph
n/m16 (1 Low)n/m7 (1 Low)n/m 14/05/2025
02:00:00
Birmingham A4540 Roadside
Timeseries Graph
97 (3 Low)8 (1 Low)n/m7 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Birmingham Hall Green
Timeseries Graph
111 (4 Moderate)8 (1 Low)n/m7 (1 Low)23 (2 Low)
*2
14/05/2025
01:00:00
Birmingham Ladywood
Timeseries Graph
99 (3 Low)5 (1 Low)1 (1 Low)7 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00
Blackburn Accrington Road
Timeseries Graph
n/m4 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Blackburn Audley Park
Timeseries Graph
82 (3 Low)n/mn/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Blackpool Marton
Timeseries Graph
90 (3 Low)5 (1 Low)n/m6 (1 Low)13 (1 Low)
*2
14/05/2025
02:00:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m6 (1 Low)n/m 14/05/2025
02:00:00
Borehamwood Meadow Park
Timeseries Graph
n/m5 (1 Low)n/m8 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
Bournemouth
Timeseries Graph
n/an/an/mn/an/m 02/04/2025
16:00:00
Bradford Mayo Avenue
Timeseries Graph
n/m29 (1 Low)n/mn/mn/m 14/05/2025
01:00:00
Bradford Shipley Airedale Road
Timeseries Graph
n/mn/mn/m8 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Brighton Preston Park
Timeseries Graph
88 (3 Low)9 (1 Low)n/m7 (1 Low)12 (1 Low)
*2
14/05/2025
02:00:00
Bristol St Paul's
Timeseries Graph
25 (1 Low)32 (1 Low)n/m11 (1 Low)19 (2 Low)
*1
14/05/2025
02:00:00
Bristol Temple Way
Timeseries Graph
n/m30 (1 Low)n/m11 (1 Low)20 (2 Low)
*2
14/05/2025
02:00:00
Burton-on-Trent Horninglow
Timeseries Graph
94 (3 Low)14 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Bury Whitefield Roadside
Timeseries Graph
n/m8 (1 Low)n/mn/m19 (2 Low)
*1
14/05/2025
02:00:00
Bush Estate
Timeseries Graph
89 (3 Low)2 (1 Low)n/mn/mn/m 14/05/2025
02:00:00

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C

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
Cambridge Roadside
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Camden Kerbside
Timeseries Graph
n/m13 (1 Low)n/m13 (2 Low)38 (3 Low)
*1
14/05/2025
02:00:00
Cannock A5190 Roadside
Timeseries Graph
n/m6 (1 Low)n/m7 (1 Low)n/m 14/05/2025
02:00:00
Cardiff Centre
Timeseries Graph
59 (2 Low)15 (1 Low)1 (1 Low)9 (1 Low)18 (2 Low)
*1
14/05/2025
01:00:00
Cardiff Newport Road
Timeseries Graph
n/m17 (1 Low)n/mn/m22 (2 Low)
*1
14/05/2025
02:00:00
Carlisle Morton A595
Timeseries Graph
n/m3 (1 Low)n/m7 (1 Low)13 (1 Low)
*1
14/05/2025
02:00:00
Charlton Mackrell
Timeseries Graph
58 (2 Low)14 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
14/05/2025
02:00:00
Chatham Roadside
Timeseries Graph
n/m6 (1 Low)n/m10 (1 Low)28 (2 Low)
*1
14/05/2025
02:00:00
Cheltenham A40 Gloucester Road
Timeseries Graph
n/mn/mn/m7 (1 Low)n/m 14/05/2025
02:00:00
Chepstow A48
Timeseries Graph
n/m8 (1 Low)n/m8 (1 Low)17 (2 Low)
*1
14/05/2025
01:00:00
Chesterfield Loundsley Green
Timeseries Graph
93 (3 Low)4 (1 Low)n/m9 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Chesterfield Roadside
Timeseries Graph
n/m5 (1 Low)n/m11 (1 Low)26 (2 Low)
*2
14/05/2025
02:00:00
Chilbolton Observatory
Timeseries Graph
77 (3 Low)8 (1 Low)1 (1 Low)7 (1 Low)12 (1 Low)
*2
14/05/2025
02:00:00
Christchurch Barrack Road
Timeseries Graph
n/m27 (1 Low)n/m7 (1 Low)n/m 14/05/2025
02:00:00
Coventry Allesley
Timeseries Graph
99 (3 Low)5 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Coventry Binley Road
Timeseries Graph
n/m12 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Crewe Coppenhall
Timeseries Graph
103 (4 Moderate)19 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Cwmbran Crownbridge
Timeseries Graph
75 (3 Low)4 (1 Low)n/mn/mn/m 14/05/2025
02:00:00

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D

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
Derby St Alkmund's Way
Timeseries Graph
n/m13 (1 Low)n/m8 (1 Low)n/m 14/05/2025
02:00:00
Derby Stockbrook Park
Timeseries Graph
94 (3 Low)n/mn/m8 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Derry Rosemount
Timeseries Graph
84 (3 Low)12 (1 Low)1 (1 Low)4 (1 Low)14 (1 Low)
*1
14/05/2025
02:00:00
Dewsbury Ashworth Grange
Timeseries Graph
85 (3 Low)6 (1 Low)n/m8 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Doncaster A630 Cleveland Street
Timeseries Graph
n/m19 (1 Low)n/m9 (1 Low)n/m 14/05/2025
02:00:00
Dumbarton Roadside
Timeseries Graph
n/m1 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Dumfries
Timeseries Graph
n/m2 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Dundee Mains Loan
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 14/05/2025
02:00:00

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E

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
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m34 (3 Low)
*1
14/05/2025
02:00:00
Eastbourne
Timeseries Graph
96 (3 Low)6 (1 Low)n/m7 (1 Low)12 (1 Low)
*2
14/05/2025
02:00:00
Edinburgh Nicolson Street
Timeseries Graph
n/m0 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Edinburgh St Leonards
Timeseries Graph
81 (3 Low)2 (1 Low)1 (1 Low)11 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Eskdalemuir
Timeseries Graph
89 (3 Low)2 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Exeter Roadside
Timeseries Graph
53 (2 Low)19 (1 Low)n/mn/mn/m 14/05/2025
02:00:00

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F

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
Farnborough Cherrywood
Timeseries Graph
n/mn/mn/m8 (1 Low)14 (1 Low)
*2
14/05/2025
02:00:00
Fort William
Timeseries Graph
78 (3 Low)1 (1 Low)n/mn/mn/m 14/05/2025
02:00:00

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G

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
Glasgow Great Western Road
Timeseries Graph
n/m3 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Glasgow High Street
Timeseries Graph
n/m2 (1 Low)n/m9 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Glasgow Kerbside
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Glasgow Townhead
Timeseries Graph
n/a2 (1 Low)n/m11 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00
Glazebury
Timeseries Graph
n/an/an/mn/an/a 13/05/2025
19:00:00
Gloucester Tredworth
Timeseries Graph
n/mn/mn/m8 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
Grangemouth
Timeseries Graph
n/m12 (1 Low)2 (1 Low)13 (2 Low)17 (2 Low)
*1
14/05/2025
02:00:00
Grangemouth Moray
Timeseries Graph
n/m3 (1 Low)n/mn/mn/m 14/05/2025
01:00:00
Greenock A8 Roadside
Timeseries Graph
n/m8 (1 Low)n/m9 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00

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H

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
Hafod-yr-ynys Hill Roadside
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Haringey Roadside
Timeseries Graph
n/m16 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Harrogate Woodlands
Timeseries Graph
n/mn/mn/m9 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Hartlepool St Abbs Walk
Timeseries Graph
74 (3 Low)1 (1 Low)n/m8 (1 Low)17 (2 Low)
*2
14/05/2025
02:00:00
High Muffles
Timeseries Graph
80 (3 Low)2 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
14/05/2025
02:00:00
Honiton
Timeseries Graph
63 (2 Low)2 (1 Low)n/m5 (1 Low)8 (1 Low)
*2
14/05/2025
02:00:00
Horley
Timeseries Graph
n/m5 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
14/05/2025
02:00:00
Hull Freetown
Timeseries Graph
79 (3 Low)8 (1 Low)3 (1 Low)15 (2 Low)27 (2 Low)
*2
14/05/2025
02:00:00
Hull Holderness Road
Timeseries Graph
n/m3 (1 Low)n/m9 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00

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I

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
Immingham Woodlands Avenue
Timeseries Graph
78 (3 Low)5 (1 Low)n/m10 (1 Low)20 (2 Low)
*2
14/05/2025
02:00:00
Inverness
Timeseries Graph
n/m7 (1 Low)n/m12 (2 Low)17 (2 Low)
*2
14/05/2025
02:00:00

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K

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
Kielder Water
Timeseries Graph
n/an/mn/mn/an/a 13/05/2025
20:00:00

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L

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
Ladybower
Timeseries Graph
105 (4 Moderate)4 (1 Low)6 (1 Low)7 (1 Low)14 (1 Low)
*2
14/05/2025
02:00:00
Leamington Spa
Timeseries Graph
106 (4 Moderate)7 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Leamington Spa Rugby Road
Timeseries Graph
n/m5 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Leeds Centre
Timeseries Graph
87 (3 Low)5 (1 Low)2 (1 Low)8 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
Leeds Headingley Kerbside
Timeseries Graph
n/m6 (1 Low)n/m11 (1 Low)23 (2 Low)
*1
14/05/2025
02:00:00
Leicester A594 Roadside
Timeseries Graph
n/m11 (1 Low)n/m8 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Leicester University
Timeseries Graph
100 (3 Low)16 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Leominster
Timeseries Graph
104 (4 Moderate)4 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Lerwick
Timeseries Graph
82 (3 Low)n/mn/mn/mn/m 14/05/2025
02:00:00
Lincoln Canwick Road
Timeseries Graph
n/mn/an/mn/mn/m 13/05/2025
19:00:00
Liverpool Speke
Timeseries Graph
98 (3 Low)11 (1 Low)3 (1 Low)10 (1 Low)24 (2 Low)
*1
14/05/2025
02:00:00
Liverpool Thirlmere Park
Timeseries Graph
100 (3 Low)n/mn/m7 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
London Bexley
Timeseries Graph
n/m31 (1 Low)n/m12 (2 Low)23 (2 Low)
*2
14/05/2025
02:00:00
London Bloomsbury
Timeseries Graph
95 (3 Low)11 (1 Low)2 (1 Low)9 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
London Haringey Priory Park South
Timeseries Graph
104 (4 Moderate)11 (1 Low)n/m7 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
London Harlington
Timeseries Graph
n/an/an/mn/an/a 13/05/2025
22:00:00
London Hillingdon
Timeseries Graph
87 (3 Low)8 (1 Low)n/m9 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00
London Honor Oak Park
Timeseries Graph
108 (4 Moderate)n/mn/m9 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00
London Marylebone Road
Timeseries Graph
80 (3 Low)8 (1 Low)1 (1 Low)11 (1 Low)27 (2 Low)
*1
14/05/2025
02:00:00
London N. Kensington
Timeseries Graph
106 (4 Moderate)12 (1 Low)1 (1 Low)9 (1 Low)17 (2 Low)
*2
14/05/2025
02:00:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m8 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
London Westminster
Timeseries Graph
86 (3 Low)7 (1 Low)n/m9 (1 Low)n/m 14/05/2025
02:00:00
Lough Navar
Timeseries Graph
48 (2 Low)n/mn/mn/an/a 14/05/2025
02:00:00
Lullington Heath
Timeseries Graph
103 (4 Moderate)3 (1 Low)1 (1 Low)7 (1 Low)10 (1 Low)
*2
14/05/2025
02:00:00
Luton A505 Roadside
Timeseries Graph
n/m6 (1 Low)n/m9 (1 Low)n/m 14/05/2025
02:00:00

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M

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
93 (3 Low)n/mn/mn/mn/m 14/05/2025
01:00:00
Maidstone Upper Stone Street
Timeseries Graph
n/mn/mn/m11 (1 Low)20 (2 Low)
*2
14/05/2025
02:00:00
Manchester Piccadilly
Timeseries Graph
87 (3 Low)11 (1 Low)1 (1 Low)8 (1 Low)20 (2 Low)
*2
14/05/2025
02:00:00
Manchester Sharston
Timeseries Graph
86 (3 Low)5 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Mansfield Ladybrook
Timeseries Graph
n/mn/mn/m8 (1 Low)17 (2 Low)
*2
14/05/2025
02:00:00
Middlesbrough
Timeseries Graph
68 (3 Low)4 (1 Low)1 (1 Low)7 (1 Low)24 (2 Low)
*1
14/05/2025
02:00:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m7 (1 Low)n/m 14/05/2025
02:00:00
Milton Keynes Civic Centre
Timeseries Graph
103 (4 Moderate)n/mn/m8 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00

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N

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
Narberth
Timeseries Graph
75 (3 Low)4 (1 Low)0 (1 Low)3 (1 Low)7 (1 Low)
*2
14/05/2025
02:00:00
Newcastle Centre
Timeseries Graph
71 (3 Low)4 (1 Low)n/m11 (1 Low)22 (2 Low)
*1
14/05/2025
02:00:00
Newcastle Cradlewell Roadside
Timeseries Graph
n/m5 (1 Low)n/m9 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Newport
Timeseries Graph
n/m9 (1 Low)n/m8 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
Northampton Spring Park
Timeseries Graph
95 (3 Low)4 (1 Low)n/m10 (1 Low)n/m 14/05/2025
02:00:00
Norwich Lakenfields
Timeseries Graph
78 (3 Low)6 (1 Low)n/m6 (1 Low)13 (1 Low)
*2
14/05/2025
02:00:00
Nottingham Bilborough
Timeseries Graph
n/mn/mn/m8 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
Nottingham Kenmore Gardens
Timeseries Graph
95 (3 Low)9 (1 Low)2 (1 Low)9 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Nottingham Western Boulevard
Timeseries Graph
n/m9 (1 Low)n/m8 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00

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O

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
Oldbury Birmingham Road
Timeseries Graph
n/m8 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Oxford Centre Roadside
Timeseries Graph
n/m11 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Oxford St Ebbes
Timeseries Graph
101 (4 Moderate)8 (1 Low)n/m7 (1 Low)13 (1 Low)
*2
14/05/2025
02:00:00

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P

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
Peebles
Timeseries Graph
76 (3 Low)2 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Perth Glasgow Road
Timeseries Graph
n/m0 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Peterborough Garton End
Timeseries Graph
n/mn/mn/m9 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00
Plymouth Centre
Timeseries Graph
50 (2 Low)31 (1 Low)n/m6 (1 Low)10 (1 Low)
*2
14/05/2025
02:00:00
Plymouth Tavistock Road
Timeseries Graph
n/m19 (1 Low)n/mn/mn/m 14/05/2025
01:00:00
Port Talbot Margam
Timeseries Graph
57 (2 Low)9 (1 Low)2 (1 Low)6 (1 Low)12 (1 Low)
*3
14/05/2025
02:00:00
Portsmouth
Timeseries Graph
93 (3 Low)9 (1 Low)n/m7 (1 Low)12 (1 Low)
*2
14/05/2025
02:00:00
Portsmouth Anglesea Road
Timeseries Graph
n/m4 (1 Low)n/m8 (1 Low)12 (1 Low)
*2
14/05/2025
02:00:00
Preston
Timeseries Graph
85 (3 Low)n/an/m6 (1 Low)14 (1 Low)
*2
14/05/2025
02:00:00

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R

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
Reading London Road
Timeseries Graph
n/m32 (1 Low)n/mn/m23 (2 Low)
*1
14/05/2025
02:00:00
Reading New Town
Timeseries Graph
86 (3 Low)20 (1 Low)n/m8 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Reading Rose Kiln Lane
Timeseries Graph
n/mn/mn/m8 (1 Low)n/m 14/05/2025
02:00:00
Rochester Stoke
Timeseries Graph
99 (3 Low)7 (1 Low)1 (1 Low)12 (2 Low)19 (2 Low)
*2
14/05/2025
02:00:00
Rotherham East Dene
Timeseries Graph
n/mn/mn/m11 (1 Low)22 (2 Low)
*2
14/05/2025
02:00:00

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S

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
Salford Eccles
Timeseries Graph
n/a11 (1 Low)n/mn/an/a 14/05/2025
02:00:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m3 (1 Low)10 (1 Low)
*1
14/05/2025
02:00:00
Scunthorpe Town
Timeseries Graph
n/m2 (1 Low)1 (1 Low)12 (2 Low)31 (2 Low)
*1
14/05/2025
02:00:00
Shaw Crompton Way
Timeseries Graph
n/m5 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Sheffield Barnsley Road
Timeseries Graph
n/m11 (1 Low)n/m10 (1 Low)n/m 14/05/2025
02:00:00
Sheffield Devonshire Green
Timeseries Graph
87 (3 Low)8 (1 Low)n/m9 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00
Sheffield Tinsley
Timeseries Graph
80 (3 Low)5 (1 Low)n/m11 (1 Low)22 (2 Low)
*2
14/05/2025
02:00:00
Shrewsbury Underdale
Timeseries Graph
n/mn/mn/m7 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
Sibton
Timeseries Graph
78 (3 Low)n/mn/m7 (1 Low)13 (1 Low)
*2
14/05/2025
02:00:00
Slough Windmill Bath Road
Timeseries Graph
n/mn/mn/m12 (2 Low)28 (2 Low)
*2
14/05/2025
02:00:00
Southampton A33
Timeseries Graph
n/mn/an/m7 (1 Low)14 (1 Low)
*2
14/05/2025
02:00:00
Southampton Centre
Timeseries Graph
86 (3 Low)18 (1 Low)4 (1 Low)7 (1 Low)12 (1 Low)
*2
14/05/2025
02:00:00
Southend Shoeburyness
Timeseries Graph
n/mn/mn/m10 (1 Low)17 (2 Low)
*2
14/05/2025
02:00:00
Southend-on-Sea
Timeseries Graph
95 (3 Low)5 (1 Low)n/m10 (1 Low)19 (2 Low)
*2
14/05/2025
02:00:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m12 (1 Low)n/mn/m33 (2 Low)
*1
14/05/2025
02:00:00
St Helens Linkway
Timeseries Graph
n/m10 (1 Low)n/mn/m16 (1 Low)
*1
14/05/2025
02:00:00
St Osyth
Timeseries Graph
98 (3 Low)6 (1 Low)n/m9 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00
Stanford-le-Hope Roadside
Timeseries Graph
n/m9 (1 Low)n/m13 (2 Low)n/a 14/05/2025
02:00:00
Stockton-on-Tees A1305 Roadside
Timeseries Graph
n/m4 (1 Low)n/m10 (1 Low)n/m 14/05/2025
02:00:00
Stockton-on-Tees Eaglescliffe
Timeseries Graph
n/m7 (1 Low)n/m11 (1 Low)26 (2 Low)
*1
14/05/2025
02:00:00
Stoke-on-Trent A50 Roadside
Timeseries Graph
n/m9 (1 Low)n/m8 (1 Low)20 (2 Low)
*2
14/05/2025
02:00:00
Stoke-on-Trent Centre
Timeseries Graph
98 (3 Low)7 (1 Low)n/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Storrington Roadside
Timeseries Graph
n/m3 (1 Low)n/m7 (1 Low)14 (1 Low)
*2
14/05/2025
02:00:00
Strathvaich
Timeseries Graph
86 (3 Low)n/mn/mn/mn/m 14/05/2025
02:00:00
Sunderland Silksworth
Timeseries Graph
72 (3 Low)3 (1 Low)n/m10 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Sunderland Wessington Way
Timeseries Graph
n/m1 (1 Low)n/m10 (1 Low)n/m 14/05/2025
02:00:00
Swansea Roadside
Timeseries Graph
n/m15 (1 Low)n/m11 (1 Low)19 (2 Low)
*1
14/05/2025
02:00:00
Swindon Walcot
Timeseries Graph
77 (3 Low)14 (1 Low)n/m9 (1 Low)17 (2 Low)
*2
14/05/2025
02:00:00

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T

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
Tallington
Timeseries Graph
90 (3 Low)n/mn/m7 (1 Low)17 (2 Low)
*2
14/05/2025
02:00:00
Tameside A635 Manchester Road
Timeseries Graph
n/mn/mn/m8 (1 Low)n/m 14/05/2025
02:00:00
Telford Hollinswood
Timeseries Graph
108 (4 Moderate)5 (1 Low)n/m7 (1 Low)17 (2 Low)
*2
14/05/2025
02:00:00
Thurrock
Timeseries Graph
105 (4 Moderate)7 (1 Low)2 (1 Low)12 (2 Low)21 (2 Low)
*2
14/05/2025
02:00:00
Toft Newton
Timeseries Graph
93 (3 Low)5 (1 Low)n/m8 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00

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W

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
Walsall Woodlands
Timeseries Graph
107 (4 Moderate)11 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Warrington
Timeseries Graph
n/m9 (1 Low)n/m7 (1 Low)22 (2 Low)
*1
14/05/2025
02:00:00
West Bromwich Kenrick Park
Timeseries Graph
106 (4 Moderate)7 (1 Low)n/mn/mn/m 14/05/2025
01:00:00
Weybourne
Timeseries Graph
94 (3 Low)n/mn/m8 (1 Low)14 (1 Low)
*2
14/05/2025
02:00:00
Wicken Fen
Timeseries Graph
72 (3 Low)4 (1 Low)n/a8 (1 Low)25 (2 Low)
*2
14/05/2025
02:00:00
Widnes Milton Road
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 14/05/2025
02:00:00
Wigan Centre
Timeseries Graph
88 (3 Low)11 (1 Low)n/m9 (1 Low)43 (3 Low)
*2
14/05/2025
02:00:00
Wirral Tranmere
Timeseries Graph
100 (3 Low)n/an/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Worcester Tolladine
Timeseries Graph
n/mn/mn/m7 (1 Low)15 (1 Low)
*2
14/05/2025
02:00:00
Worthing A27 Roadside
Timeseries Graph
n/m2 (1 Low)n/m8 (1 Low)n/m 14/05/2025
02:00:00
Worthing East Ten Acres
Timeseries Graph
n/mn/mn/m11 (1 Low)16 (1 Low)
*2
14/05/2025
02:00:00
Wrexham
Timeseries Graph
n/m10 (1 Low)3 (1 Low)8 (1 Low)18 (2 Low)
*2
14/05/2025
02:00:00

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Y

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
Yarner Wood
Timeseries Graph
n/an/an/m5 (1 Low)8 (1 Low)
*2
14/05/2025
01:00:00
York Bootham
Timeseries Graph
69 (3 Low)2 (1 Low)n/m11 (1 Low)22 (2 Low)
*1
14/05/2025
02:00:00
York Fishergate
Timeseries Graph
n/m5 (1 Low)n/m9 (1 Low)28 (2 Low)
*1
14/05/2025
02:00:00

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