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.

PM₁₀ data is from a FDMS PM₁₀ instrument type unless specified
View the legend
Pollutant levels recorded for the hour up to midnight Thu 18th Aug 2022

Central Scotland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Auchencorth Moss Timeseries Graph	48 (2 Low)	n/m	n/m	3 (1 Low)	5 (1 Low) ^*2	18/08/2022 24:00:
Bush Estate Timeseries Graph	53 (2 Low)	1 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Dumbarton Roadside Timeseries Graph	n/m	5 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Edinburgh Nicolson Street Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Edinburgh St Leonards Timeseries Graph	48 (2 Low)	3 (1 Low)	4 (1 Low)	3 (1 Low)	7 (1 Low) ^*2	18/08/2022 24:00:
Glasgow Great Western Road Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Glasgow High Street Timeseries Graph	n/m	12 (1 Low)	n/m	4 (1 Low)	8 (1 Low) ^*2	18/08/2022 24:00:
Glasgow Kerbside Timeseries Graph	n/m	18 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Glasgow Townhead Timeseries Graph	40 (2 Low)	11 (1 Low)	n/m	4 (1 Low)	8 (1 Low) ^*2	18/08/2022 24:00:
Grangemouth Timeseries Graph	n/m	11 (1 Low)	1 (1 Low)	2 (1 Low)	8 (1 Low) ^*1	18/08/2022 24:00:
Grangemouth Moray Timeseries Graph	n/m	5 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
Greenock A8 Roadside Timeseries Graph	n/m	5 (1 Low)	n/m	4 (1 Low)	9 (1 Low) ^*2	18/08/2022 24:00:

East Midlands

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Chesterfield Loundsley Green Timeseries Graph	n/m	4 (1 Low)	n/m	5 (1 Low)	9 (1 Low) ^*2	18/08/2022 24:00:
Chesterfield Roadside Timeseries Graph	n/m	3 (1 Low)	n/m	5 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Derby St Alkmund's Way Timeseries Graph	n/m	12 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Ladybower Timeseries Graph	52 (2 Low)	1 (1 Low)	1 (1 Low)	n/m	n/m	18/08/2022 24:00:
Leicester A594 Roadside Timeseries Graph	n/m	n/a	n/m	n/m	15 (1 Low) ^*1	18/08/2022 24:00:
Leicester University Timeseries Graph	47 (2 Low)	9 (1 Low)	n/m	6 (1 Low)	12 (1 Low) ^*2	18/08/2022 24:00:
Lincoln Canwick Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Northampton Spring Park Timeseries Graph	73 (3 Low)	5 (1 Low)	n/m	n/a	n/m	18/08/2022 24:00:
Nottingham Centre Timeseries Graph	25 (1 Low)	9 (1 Low)	1 (1 Low)	9 (1 Low)	16 (1 Low) ^*2	18/08/2022 24:00:
Nottingham Western Boulevard Timeseries Graph	n/m	9 (1 Low)	n/m	n/m	n/a	18/08/2022 24:00:

Eastern

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Borehamwood Meadow Park Timeseries Graph	n/m	6 (1 Low)	n/m	7 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
Cambridge Roadside Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Luton A505 Roadside Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
Norwich Lakenfields Timeseries Graph	99 (3 Low)	9 (1 Low)	n/m	7 (1 Low)	12 (1 Low) ^*2	18/08/2022 24:00:
Sandy Roadside Timeseries Graph	n/m	5 (1 Low)	n/m	5 (1 Low)	17 (2 Low) ^*1	18/08/2022 24:00:
Sibton Timeseries Graph	96 (3 Low)	n/m	n/m	n/m	n/m	18/08/2022 24:00:
Southend-on-Sea Timeseries Graph	79 (3 Low)	12 (1 Low)	n/m	8 (1 Low)	14 (1 Low) ^*2	18/08/2022 24:00:
St Osyth Timeseries Graph	106 (4 Moderate)	8 (1 Low)	n/m	7 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
Stanford-le-Hope Roadside Timeseries Graph	n/m	12 (1 Low)	n/m	13 (2 Low)	18 (2 Low) ^*1	18/08/2022 24:00:
Thurrock Timeseries Graph	83 (3 Low)	34 (1 Low)	1 (1 Low)	n/m	17 (2 Low) ^*1	18/08/2022 24:00:
Weybourne Timeseries Graph	80 (3 Low)	n/m	n/m	n/m	n/m	18/08/2022 24:00:
Wicken Fen Timeseries Graph	90 (3 Low)	5 (1 Low)	3 (1 Low)	5 (1 Low)	11 (1 Low) ^*2	18/08/2022 24:00:

Greater London

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Camden Kerbside Timeseries Graph	n/m	16 (1 Low)	n/m	7 (1 Low)	21 (2 Low) ^*1	18/08/2022 24:00:
Ealing Horn Lane Timeseries Graph	n/m	n/m	n/m	n/m	38 (3 Low) ^*1	18/08/2022 24:00:
Haringey Roadside Timeseries Graph	n/m	26 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
London Bexley Timeseries Graph	n/m	9 (1 Low)	n/m	10 (1 Low)	15 (1 Low) ^*2	18/08/2022 24:00:
London Bloomsbury Timeseries Graph	75 (3 Low)	11 (1 Low)	2 (1 Low)	9 (1 Low)	16 (1 Low) ^*2	18/08/2022 24:00:
London Eltham Timeseries Graph	82 (3 Low)	11 (1 Low)	n/m	8 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
London Haringey Priory Park South Timeseries Graph	n/a	18 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
London Harlington Timeseries Graph	71 (3 Low)	29 (1 Low)	n/m	8 (1 Low)	16 (1 Low) ^*2	18/08/2022 23:00:00
London Hillingdon Timeseries Graph	45 (2 Low)	22 (1 Low)	n/m	8 (1 Low)	15 (1 Low) ^*2	18/08/2022 24:00:
London Honor Oak Park Timeseries Graph	n/m	n/m	n/m	8 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
London Marylebone Road Timeseries Graph	32 (1 Low)	30 (1 Low)	2 (1 Low)	11 (1 Low)	23 (2 Low) ^*1	18/08/2022 24:00:
London N. Kensington Timeseries Graph	72 (3 Low)	6 (1 Low)	1 (1 Low)	8 (1 Low)	14 (1 Low) ^*2	18/08/2022 24:00:
London Teddington Bushy Park Timeseries Graph	n/m	n/m	n/m	9 (1 Low)	16 (1 Low) ^*2	18/08/2022 24:00:
London Westminster Timeseries Graph	n/m	n/a	n/m	n/a	n/m	10/08/2022 17:00:00
Southwark A2 Old Kent Road Timeseries Graph	n/m	13 (1 Low)	n/m	n/m	26 (2 Low) ^*1	18/08/2022 24:00:
Tower Hamlets Roadside Timeseries Graph	n/m	17 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:

Highland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Fort William Timeseries Graph	43 (2 Low)	2 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Inverness Timeseries Graph	n/m	n/a	n/m	n/a	n/a	18/08/2022 15:00:00
Lerwick Timeseries Graph	n/a	n/m	n/m	n/m	n/m	08/08/2022 06:00:00
Strathvaich Timeseries Graph	60 (2 Low)	n/m	n/m	n/m	n/m	18/08/2022 24:00:

North East

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Billingham Timeseries Graph	n/m	7 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
Hartlepool St Abbs Walk Timeseries Graph	n/m	13 (1 Low)	n/m	7 (1 Low)	17 (2 Low) ^*2	18/08/2022 24:00:
Middlesbrough Timeseries Graph	50 (2 Low)	4 (1 Low)	1 (1 Low)	3 (1 Low)	18 (2 Low) ^*1	18/08/2022 24:00:
Newcastle Centre Timeseries Graph	40 (2 Low)	18 (1 Low)	n/m	4 (1 Low)	16 (1 Low) ^*1	18/08/2022 24:00:
Newcastle Cradlewell Roadside Timeseries Graph	n/m	31 (1 Low)	n/m	n/m	12 (1 Low) ^*1	18/08/2022 24:00:
Stockton-on-Tees A1305 Roadside Timeseries Graph	n/m	8 (1 Low)	n/m	5 (1 Low)	n/m	18/08/2022 24:00:
Stockton-on-Tees Eaglescliffe Timeseries Graph	n/m	4 (1 Low)	n/m	6 (1 Low)	9 (1 Low) ^*1	18/08/2022 24:00:
Sunderland Silksworth Timeseries Graph	51 (2 Low)	6 (1 Low)	n/m	6 (1 Low)	16 (1 Low) ^*2	18/08/2022 24:00:
Sunderland Wessington Way Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00

North East Scotland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Aberdeen Erroll Park Timeseries Graph	45 (2 Low)	8 (1 Low)	n/m	6 (1 Low)	12 (1 Low) ^*2	18/08/2022 24:00:
Aberdeen Union Street Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Aberdeen Wellington Road Timeseries Graph	n/m	3 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Dundee Mains Loan Timeseries Graph	n/m	1 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:

North Wales

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Aston Hill Timeseries Graph	41 (2 Low)	2 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Wrexham Timeseries Graph	n/m	4 (1 Low)	1 (1 Low)	6 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:

North West & Merseyside

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Birkenhead Borough Road Timeseries Graph	n/m	2 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Blackburn Accrington Road Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	18/08/2022 22:00:00
Blackpool Marton Timeseries Graph	42 (2 Low)	2 (1 Low)	n/m	5 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Bury Whitefield Roadside Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	n/a	18/08/2022 23:00:00
Carlisle Morton A595 Timeseries Graph	n/m	3 (1 Low)	n/m	6 (1 Low)	9 (1 Low) ^*1	18/08/2022 24:00:
Crewe Coppenhall Timeseries Graph	n/m	2 (1 Low)	n/m	4 (1 Low)	8 (1 Low) ^*2	18/08/2022 24:00:
Glazebury Timeseries Graph	40 (2 Low)	4 (1 Low)	n/m	5 (1 Low)	9 (1 Low) ^*2	18/08/2022 24:00:
Liverpool Speke Timeseries Graph	39 (2 Low)	3 (1 Low)	4 (1 Low)	9 (1 Low)	12 (1 Low) ^*1	18/08/2022 24:00:
Manchester Piccadilly Timeseries Graph	27 (1 Low)	18 (1 Low)	1 (1 Low)	7 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
Manchester Sharston Timeseries Graph	41 (2 Low)	6 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Preston Timeseries Graph	40 (2 Low)	7 (1 Low)	n/m	5 (1 Low)	11 (1 Low) ^*2	18/08/2022 24:00:
Salford Eccles Timeseries Graph	n/m	8 (1 Low)	n/m	7 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
Shaw Crompton Way Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
St Helens Linkway Timeseries Graph	n/m	7 (1 Low)	n/m	n/m	14 (1 Low) ^*1	18/08/2022 24:00:
Warrington Timeseries Graph	n/m	2 (1 Low)	n/m	3 (1 Low)	10 (1 Low) ^*1	18/08/2022 24:00:
Widnes Milton Road Timeseries Graph	n/m	3 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Wigan Centre Timeseries Graph	38 (2 Low)	8 (1 Low)	n/m	6 (1 Low)	11 (1 Low) ^*2	18/08/2022 24:00:
Wirral Tranmere Timeseries Graph	37 (2 Low)	0 (1 Low)	n/m	6 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:

Northern Ireland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Armagh Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	n/m	10 (1 Low) ^*1	18/08/2022 24:00:
Ballymena Antrim Road Timeseries Graph	n/m	4 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Ballymena Ballykeel Timeseries Graph	n/m	9 (1 Low)	1 (1 Low)	n/m	n/m	18/08/2022 23:00:00
Belfast Centre Timeseries Graph	44 (2 Low)	19 (1 Low)	2 (1 Low)	5 (1 Low)	11 (1 Low) ^*2	18/08/2022 24:00:
Belfast Stockman's Lane Timeseries Graph	n/m	50 (1 Low)	n/m	n/m	14 (1 Low) ^*1	18/08/2022 24:00:
Derry Rosemount Timeseries Graph	53 (2 Low)	2 (1 Low)	1 (1 Low)	3 (1 Low)	7 (1 Low) ^*1	18/08/2022 24:00:
Lough Navar Timeseries Graph	46 (2 Low)	n/m	n/m	3 (1 Low)	5 (1 Low) ^*2	18/08/2022 24:00:

Scottish Borders

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Dumfries Timeseries Graph	n/m	21 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
Eskdalemuir Timeseries Graph	n/a	n/a	n/m	n/m	n/m	27/06/2021 11:00:00
Peebles Timeseries Graph	49 (2 Low)	2 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:

South East

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Brighton Preston Park Timeseries Graph	62 (2 Low)	6 (1 Low)	n/m	15 (2 Low)	n/m	18/08/2022 24:00:
Canterbury Timeseries Graph	99 (3 Low)	7 (1 Low)	n/m	12 (2 Low)	17 (2 Low) ^*2	18/08/2022 24:00:
Chatham Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	6 (1 Low)	21 (2 Low) ^*1	18/08/2022 24:00:
Chilbolton Observatory Timeseries Graph	63 (2 Low)	5 (1 Low)	1 (1 Low)	9 (1 Low)	14 (1 Low) ^*2	18/08/2022 24:00:
Eastbourne Timeseries Graph	n/m	2 (1 Low)	n/m	11 (1 Low)	16 (1 Low) ^*2	18/08/2022 24:00:
Horley Timeseries Graph	n/m	13 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Lullington Heath Timeseries Graph	76 (3 Low)	1 (1 Low)	3 (1 Low)	11 (1 Low)	17 (2 Low) ^*2	18/08/2022 24:00:
Oxford Centre Roadside Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Oxford St Ebbes Timeseries Graph	n/m	3 (1 Low)	n/m	8 (1 Low)	14 (1 Low) ^*2	18/08/2022 24:00:
Portsmouth Timeseries Graph	68 (3 Low)	6 (1 Low)	n/m	10 (1 Low)	17 (2 Low) ^*2	18/08/2022 24:00:
Portsmouth Anglesea Road Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	n/a	18/08/2022 22:00:00
Reading London Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	20 (2 Low) ^*1	18/08/2022 24:00:
Reading New Town Timeseries Graph	66 (2 Low)	10 (1 Low)	n/m	4 (1 Low)	19 (2 Low) ^*1	18/08/2022 24:00:
Rochester Stoke Timeseries Graph	91 (3 Low)	4 (1 Low)	0 (1 Low)	11 (1 Low)	18 (2 Low) ^*2	18/08/2022 24:00:
Southampton A33 Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/a	18/08/2022 24:00:
Southampton Centre Timeseries Graph	38 (2 Low)	12 (1 Low)	1 (1 Low)	9 (1 Low)	16 (1 Low) ^*2	18/08/2022 24:00:
Storrington Roadside Timeseries Graph	n/m	7 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Worthing A27 Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	7 (1 Low)	n/m	18/08/2022 24:00:

South Wales

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Cardiff Centre Timeseries Graph	n/a	n/a	n/a	n/a	n/a	18/08/2022 19:00:00
Cardiff Newport Road Timeseries Graph	n/m	4 (1 Low)	n/m	n/m	9 (1 Low) ^*1	18/08/2022 24:00:
Chepstow A48 Timeseries Graph	n/m	9 (1 Low)	n/m	9 (1 Low)	12 (1 Low) ^*1	18/08/2022 24:00:
Cwmbran Crownbridge Timeseries Graph	19 (1 Low)	1 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Hafod-yr-ynys Roadside Timeseries Graph	n/m	15 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
Narberth Timeseries Graph	30 (1 Low)	2 (1 Low)	2 (1 Low)	4 (1 Low)	7 (1 Low) ^*2	18/08/2022 24:00:
Newport Timeseries Graph	n/m	3 (1 Low)	n/m	6 (1 Low)	11 (1 Low) ^*2	18/08/2022 24:00:
Port Talbot Margam Timeseries Graph	32 (1 Low)	1 (1 Low)	1 (1 Low)	4 (1 Low)	25 (2 Low) ^*3	18/08/2022 24:00:
Swansea Roadside Timeseries Graph	n/m	2 (1 Low)	n/m	6 (1 Low)	10 (1 Low) ^*1	18/08/2022 24:00:

South West

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Barnstaple A39 Timeseries Graph	n/m	n/m	n/m	2 (1 Low)	7 (1 Low) ^*1	18/08/2022 24:00:
Bath A4 Roadside Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
Bournemouth Timeseries Graph	50 (2 Low)	3 (1 Low)	n/m	8 (1 Low)	n/m	18/08/2022 24:00:
Bristol St Paul's Timeseries Graph	32 (1 Low)	6 (1 Low)	n/m	6 (1 Low)	15 (1 Low) ^*1	18/08/2022 24:00:
Bristol Temple Way Timeseries Graph	n/m	12 (1 Low)	n/m	n/m	17 (2 Low) ^*1	18/08/2022 24:00:
Charlton Mackrell Timeseries Graph	51 (2 Low)	4 (1 Low)	n/m	5 (1 Low)	9 (1 Low) ^*2	18/08/2022 24:00:
Christchurch Barrack Road Timeseries Graph	n/m	4 (1 Low)	n/m	n/a	n/m	18/08/2022 24:00:
Exeter Roadside Timeseries Graph	34 (2 Low)	n/a	n/m	n/m	n/m	18/08/2022 23:00:00
Honiton Timeseries Graph	n/m	6 (1 Low)	n/m	5 (1 Low)	9 (1 Low) ^*2	18/08/2022 24:00:
Plymouth Centre Timeseries Graph	38 (2 Low)	9 (1 Low)	n/m	6 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Plymouth Tavistock Road Timeseries Graph	n/m	n/a	n/m	n/m	n/m	17/08/2022 12:00:00
Saltash Callington Road Timeseries Graph	n/m	n/m	n/m	3 (1 Low)	7 (1 Low) ^*1	18/08/2022 24:00:
Swindon Walcot Timeseries Graph	n/m	n/a	n/m	n/a	n/a	18/08/2022 14:00:00
Yarner Wood Timeseries Graph	32 (1 Low)	1 (1 Low)	n/m	4 (1 Low)	7 (1 Low) ^*2	18/08/2022 24:00:

West Ireland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Mace Head Timeseries Graph	61 (2 Low)	n/m	n/m	n/m	n/m	18/08/2022 24:00:

West Midlands

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Birmingham A4540 Roadside Timeseries Graph	34 (2 Low)	19 (1 Low)	n/m	6 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
Birmingham Acocks Green Timeseries Graph	n/a	n/a	n/m	n/a	n/a	01/10/2021 16:00:00
Birmingham Ladywood Timeseries Graph	46 (2 Low)	3 (1 Low)	3 (1 Low)	6 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Burton-on-Trent Horninglow Timeseries Graph	n/m	9 (1 Low)	n/m	6 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Cannock A5190 Roadside Timeseries Graph	n/m	n/a	n/m	n/m	n/m	18/08/2022 11:00:00
Coventry Allesley Timeseries Graph	54 (2 Low)	6 (1 Low)	n/m	7 (1 Low)	12 (1 Low) ^*2	18/08/2022 24:00:
Coventry Binley Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	14 (1 Low) ^*1	18/08/2022 24:00:
Leamington Spa Timeseries Graph	55 (2 Low)	5 (1 Low)	n/m	6 (1 Low)	12 (1 Low) ^*2	18/08/2022 24:00:
Leamington Spa Rugby Road Timeseries Graph	n/m	4 (1 Low)	n/m	6 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Leominster Timeseries Graph	42 (2 Low)	1 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
Oldbury Birmingham Road Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	n/m	18/08/2022 23:00:00
Stoke-on-Trent A50 Roadside Timeseries Graph	n/m	23 (1 Low)	n/m	n/m	21 (2 Low) ^*1	18/08/2022 24:00:
Stoke-on-Trent Centre Timeseries Graph	35 (2 Low)	7 (1 Low)	n/m	6 (1 Low)	12 (1 Low) ^*2	18/08/2022 24:00:
Telford Hollinswood Timeseries Graph	n/m	3 (1 Low)	n/m	6 (1 Low)	11 (1 Low) ^*2	18/08/2022 24:00:
Walsall Woodlands Timeseries Graph	48 (2 Low)	5 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
West Bromwich Kenrick Park Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	18/08/2022 22:00:00

Yorkshire & Humberside

Latest measured levels based on data provided by the Environment Agency
Monitoring site	Running 8 Hour mean Ozone (µgm^-3)	Hourly mean Nitrogen dioxide (µgm^-3)	Max 15 min mean Sulphur dioxide (µgm^-3)	Running 24 Hour mean PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Barnsley Gawber Timeseries Graph	45 (2 Low)	0 (1 Low)	1 (1 Low)	n/m	n/m	18/08/2022 24:00:
Bradford Mayo Avenue Timeseries Graph	n/m	n/a	n/m	n/m	n/m	17/08/2022 11:00:00
Dewsbury Ashworth Grove Timeseries Graph	n/m	0 (1 Low)	n/m	5 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Doncaster A630 Cleveland Street Timeseries Graph	n/m	9 (1 Low)	n/m	n/m	n/m	18/08/2022 24:00:
High Muffles Timeseries Graph	56 (2 Low)	5 (1 Low)	n/m	4 (1 Low)	7 (1 Low) ^*2	18/08/2022 24:00:
Hull Freetown Timeseries Graph	57 (2 Low)	11 (1 Low)	1 (1 Low)	6 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
Hull Holderness Road Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	19 (2 Low) ^*1	18/08/2022 24:00:
Immingham Woodlands Avenue Timeseries Graph	n/m	5 (1 Low)	n/m	4 (1 Low)	9 (1 Low) ^*2	18/08/2022 24:00:
Leeds Centre Timeseries Graph	40 (2 Low)	14 (1 Low)	2 (1 Low)	6 (1 Low)	13 (1 Low) ^*2	18/08/2022 24:00:
Leeds Headingley Kerbside Timeseries Graph	n/m	15 (1 Low)	n/m	5 (1 Low)	16 (1 Low) ^*1	18/08/2022 24:00:
Scunthorpe Town Timeseries Graph	n/m	10 (1 Low)	0 (1 Low)	n/m	13 (1 Low) ^*1	18/08/2022 24:00:
Sheffield Barnsley Road Timeseries Graph	n/m	15 (1 Low)	n/m	7 (1 Low)	n/m	18/08/2022 24:00:
Sheffield Devonshire Green Timeseries Graph	44 (2 Low)	9 (1 Low)	n/m	6 (1 Low)	10 (1 Low) ^*2	18/08/2022 24:00:
Sheffield Tinsley Timeseries Graph	n/m	8 (1 Low)	n/m	6 (1 Low)	15 (1 Low) ^*2	18/08/2022 24:00:
York Bootham Timeseries Graph	n/m	7 (1 Low)	n/m	4 (1 Low)	13 (1 Low) ^*1	18/08/2022 24:00:
York Fishergate Timeseries Graph	n/m	11 (1 Low)	n/m	6 (1 Low)	14 (1 Low) ^*1	18/08/2022 24:00:

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

UK AIR

Air Information Resource