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 8pm Sun 27th May 2018

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Auchencorth Moss Timeseries Graph	103 (4 Moderate)	n/m	n/m	17 (2 Low)	22 (2 Low)	27/05/2018 01:00:00
Bush Estate Timeseries Graph	107 (4 Moderate)	7 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
Dumbarton Roadside Timeseries Graph	n/m	33 (1 Low)	n/m	n/m	n/m	27/05/2018 03:00:00
Edinburgh Nicolson Street Timeseries Graph	n/m	32 (1 Low)	n/m	n/m	n/m	26/05/2018 21:00:00
Edinburgh St Leonards Timeseries Graph	108 (4 Moderate)	6 (1 Low)	7 (1 Low)	15 (2 Low)	24 (2 Low)	27/05/2018 15:45:00
Glasgow Great Western Road Timeseries Graph	n/m	18 (1 Low)	n/m	n/m	n/m	26/05/2018 21:00:00
Glasgow High Street Timeseries Graph	n/m	5 (1 Low)	n/m	13 (2 Low)	22 (2 Low)	27/05/2018 01:00:00
Glasgow Kerbside Timeseries Graph	n/m	127 (2 Low)	n/m	n/m	n/m	27/05/2018 17:00:00
Glasgow Townhead Timeseries Graph	106 (4 Moderate)	13 (1 Low)	n/m	17 (2 Low)	20 (2 Low)	27/05/2018 01:00:00
Grangemouth Timeseries Graph	n/m	16 (1 Low)	4 (1 Low)	18 (2 Low)	21 (2 Low)	27/05/2018 16:45:00
Grangemouth Moray Timeseries Graph	n/m	27 (1 Low)	n/m	n/m	n/m	27/05/2018 17:00:00
Greenock A8 Roadside Timeseries Graph	n/m	37 (1 Low)	n/m	13 (2 Low)	25 (2 Low) ^*3	27/05/2018 03:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Chesterfield Loundsley Green Timeseries Graph	n/m	10 (1 Low)	n/m	16 (2 Low)	27 (2 Low)	27/05/2018 01:00:00
Chesterfield Roadside Timeseries Graph	n/m	25 (1 Low)	n/m	16 (2 Low)	31 (2 Low)	27/05/2018 01:00:00
Derby St Alkmund's Way Timeseries Graph	n/m	21 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Ladybower Timeseries Graph	104 (4 Moderate)	8 (1 Low)	11 (1 Low)	n/m	n/m	27/05/2018 12:00:00
Leicester A594 Roadside Timeseries Graph	n/m	25 (1 Low)	n/m	n/m	39 (3 Low)	27/05/2018 20:00:00
Leicester University Timeseries Graph	98 (3 Low)	18 (1 Low)	n/m	23 (2 Low)	n/m	27/05/2018 01:00:00
Lincoln Canwick Road Timeseries Graph	n/m	28 (1 Low)	n/m	n/m	n/m	26/05/2018 23:00:00
Market Harborough Timeseries Graph	119 (4 Moderate)	12 (1 Low)	n/m	n/m	n/m	27/05/2018 19:00:00
Northampton Spring Park Timeseries Graph	121 (5 Moderate)	12 (1 Low)	n/m	21 (2 Low)	n/m	27/05/2018 01:00:00
Nottingham Centre Timeseries Graph	107 (4 Moderate)	24 (1 Low)	28 (1 Low)	22 (2 Low)	32 (2 Low)	27/05/2018 13:15:00
Nottingham Western Boulevard Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	31 (2 Low)	26/05/2018 23:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Borehamwood Meadow Park Timeseries Graph	n/m	21 (1 Low)	n/m	n/m	n/m	27/05/2018 15:00:00
Cambridge Roadside Timeseries Graph	n/m	27 (1 Low)	n/m	n/m	n/m	27/05/2018 18:00:00
Luton A505 Roadside Timeseries Graph	n/m	51 (1 Low)	n/m	n/m	n/m	27/05/2018 18:00:00
Norwich Lakenfields Timeseries Graph	97 (3 Low)	22 (1 Low)	n/m	16 (2 Low)	28 (2 Low)	27/05/2018 01:00:00
Sandy Roadside Timeseries Graph	n/m	21 (1 Low)	n/m	32 (3 Low)	n/a	27/05/2018 01:00:00
Sibton Timeseries Graph	106 (4 Moderate)	n/m	n/m	n/m	n/m	27/05/2018 19:00:00
Southend-on-Sea Timeseries Graph	116 (4 Moderate)	31 (1 Low)	n/m	38 (4 Moderate)	n/m	27/05/2018 01:00:00
St Osyth Timeseries Graph	108 (4 Moderate)	23 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Stanford-le-Hope Roadside Timeseries Graph	n/m	33 (1 Low)	n/m	33 (3 Low)	43 (3 Low)	27/05/2018 01:00:00
Thurrock Timeseries Graph	107 (4 Moderate)	32 (1 Low)	1 (1 Low)	n/m	46 (3 Low)	27/05/2018 11:15:00
Weybourne Timeseries Graph	120 (4 Moderate)	n/m	n/m	n/m	n/m	27/05/2018 20:00:00
Wicken Fen Timeseries Graph	130 (5 Moderate)	11 (1 Low)	6 (1 Low)	n/m	n/m	27/05/2018 07:45:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Camden Kerbside Timeseries Graph	n/m	81 (2 Low)	n/m	36 (4 Moderate)	41 (3 Low)	27/05/2018 01:00:00
Ealing Horn Lane Timeseries Graph	n/m	n/m	n/m	n/m	44 (3 Low)	27/05/2018 01:00:00
Haringey Roadside Timeseries Graph	n/m	54 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
London Bexley Timeseries Graph	n/m	34 (1 Low)	n/m	37 (4 Moderate)	n/m	27/05/2018 01:00:00
London Bloomsbury Timeseries Graph	106 (4 Moderate)	44 (1 Low)	7 (1 Low)	32 (3 Low)	41 (3 Low)	27/05/2018 10:30:00
London Eltham Timeseries Graph	120 (4 Moderate)	27 (1 Low)	n/m	34 (3 Low)	n/m	27/05/2018 01:00:00
London Haringey Priory Park South Timeseries Graph	124 (5 Moderate)	31 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
London Harlington Timeseries Graph	114 (4 Moderate)	31 (1 Low)	n/m	28 (3 Low)	36 (3 Low) ^*3	27/05/2018 01:00:00
London Hillingdon Timeseries Graph	111 (4 Moderate)	29 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
London Marylebone Road Timeseries Graph	83 (3 Low)	207 (4 Moderate)	8 (1 Low)	37 (4 Moderate)	43 (3 Low)	27/05/2018 18:30:00
London N. Kensington Timeseries Graph	126 (5 Moderate)	36 (1 Low)	3 (1 Low)	n/a	34 (3 Low) ^*3	26/05/2018 20:30:00
London Teddington Bushy Park Timeseries Graph	n/m	n/m	n/m	35 (3 Low)	n/m	27/05/2018 01:00:00
London Westminster Timeseries Graph	n/m	46 (1 Low)	n/m	28 (3 Low)	n/m	27/05/2018 01:00:00
Southwark A2 Old Kent Road Timeseries Graph	n/m	63 (1 Low)	n/m	n/m	n/a	27/05/2018 12:00:00
Tower Hamlets Roadside Timeseries Graph	n/m	80 (2 Low)	n/m	n/m	n/m	27/05/2018 02:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Fort William Timeseries Graph	118 (4 Moderate)	3 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Inverness Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	27/05/2018 07:00:00
Lerwick Timeseries Graph	76 (3 Low)	n/m	n/m	n/m	n/m	27/05/2018 18:00:00
Strathvaich Timeseries Graph	115 (4 Moderate)	n/m	n/m	n/m	n/m	26/05/2018 22:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Billingham Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Hartlepool St Abbs Walk Timeseries Graph	n/m	12 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Middlesbrough Timeseries Graph	95 (3 Low)	23 (1 Low)	6 (1 Low)	17 (2 Low)	33 (2 Low)	27/05/2018 18:00:00
Newcastle Centre Timeseries Graph	105 (4 Moderate)	15 (1 Low)	n/m	17 (2 Low)	27 (2 Low)	27/05/2018 01:00:00
Newcastle Cradlewell Roadside Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	33 (2 Low) ^*1	27/05/2018 17:00:00
Stockton-on-Tees A1305 Roadside Timeseries Graph	n/m	25 (1 Low)	n/m	17 (2 Low)	n/m	27/05/2018 20:00:00
Stockton-on-Tees Eaglescliffe Timeseries Graph	n/m	22 (1 Low)	n/m	20 (2 Low)	34 (3 Low) ^*2	27/05/2018 16:00:00
Sunderland Silksworth Timeseries Graph	110 (4 Moderate)	9 (1 Low)	n/m	16 (2 Low)	n/m	27/05/2018 20:00:00
Sunderland Wessington Way Timeseries Graph	n/m	5 (1 Low)	n/m	n/m	n/m	27/05/2018 14:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Aberdeen Timeseries Graph	92 (3 Low)	18 (1 Low)	n/m	14 (2 Low)	22 (2 Low)	27/05/2018 01:00:00
Aberdeen Union Street Roadside Timeseries Graph	n/m	60 (1 Low)	n/m	n/m	n/m	26/05/2018 20:00:00
Aberdeen Wellington Road Timeseries Graph	n/m	72 (2 Low)	n/m	n/m	n/m	26/05/2018 21:00:00
Dundee Mains Loan Timeseries Graph	n/m	9 (1 Low)	n/m	n/m	n/m	27/05/2018 06:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Aston Hill Timeseries Graph	108 (4 Moderate)	6 (1 Low)	n/m	n/m	n/m	27/05/2018 01:00:00
Wrexham Timeseries Graph	n/m	38 (1 Low)	20 (1 Low)	n/m	n/m	26/05/2018 20:15:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Birkenhead Borough Road Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	n/m	26/05/2018 23:00:00
Blackburn Accrington Road Timeseries Graph	n/m	14 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
Blackpool Marton Timeseries Graph	129 (5 Moderate)	8 (1 Low)	n/m	n/a	n/m	27/05/2018 01:00:00
Bury Whitefield Roadside Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	24 (2 Low)	26/05/2018 21:00:00
Carlisle Roadside Timeseries Graph	n/m	33 (1 Low)	n/m	15 (2 Low)	27 (2 Low)	27/05/2018 10:00:00
Glazebury Timeseries Graph	113 (4 Moderate)	11 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Liverpool Speke Timeseries Graph	109 (4 Moderate)	18 (1 Low)	11 (1 Low)	15 (2 Low)	23 (2 Low)	26/05/2018 21:45:00
Manchester Piccadilly Timeseries Graph	90 (3 Low)	32 (1 Low)	9 (1 Low)	16 (2 Low)	n/m	27/05/2018 14:30:00
Manchester Sharston Timeseries Graph	122 (5 Moderate)	20 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Preston Timeseries Graph	122 (5 Moderate)	15 (1 Low)	n/m	n/a	n/m	27/05/2018 01:00:00
Salford Eccles Timeseries Graph	n/m	20 (1 Low)	n/m	16 (2 Low)	24 (2 Low)	27/05/2018 20:00:00
Shaw Crompton Way Timeseries Graph	n/m	13 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
St Helens Linkway Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	22 (2 Low)	26/05/2018 22:00:00
Warrington Timeseries Graph	n/m	55 (1 Low)	n/m	n/a	n/a	21/05/2018 01:00:00
Widnes Milton Road Timeseries Graph	n/m	n/a	n/m	n/m	n/m	18/04/2018 10:00:00
Wigan Centre Timeseries Graph	129 (5 Moderate)	12 (1 Low)	n/m	14 (2 Low)	n/m	27/05/2018 01:00:00
Wirral Tranmere Timeseries Graph	114 (4 Moderate)	19 (1 Low)	n/m	15 (2 Low)	n/m	27/05/2018 01:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Armagh Roadside Timeseries Graph	n/m	21 (1 Low)	n/m	n/m	23 (2 Low)	26/05/2018 23:00:00
Ballymena Antrim Road Timeseries Graph	n/m	12 (1 Low)	n/m	n/m	n/m	27/05/2018 19:00:00
Ballymena Ballykeel Timeseries Graph	n/m	16 (1 Low)	n/a	n/m	n/m	22/05/2018 08:15:00
Belfast Centre Timeseries Graph	87 (3 Low)	38 (1 Low)	13 (1 Low)	22 (2 Low)	27 (2 Low)	27/05/2018 12:00:00
Belfast Stockman's Lane Timeseries Graph	n/m	33 (1 Low)	n/m	n/m	19 (2 Low) ^*2	27/05/2018 15:00:00
Derry Rosemount Timeseries Graph	111 (4 Moderate)	14 (1 Low)	16 (1 Low)	12 (2 Low)	17 (2 Low)	27/05/2018 07:30:00
Lough Navar Timeseries Graph	112 (4 Moderate)	n/m	n/m	n/m	15 (1 Low)	26/05/2018 21:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Dumfries Timeseries Graph	n/m	26 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
Eskdalemuir Timeseries Graph	108 (4 Moderate)	3 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
Peebles Timeseries Graph	103 (4 Moderate)	4 (1 Low)	n/m	n/m	n/m	26/05/2018 21:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Brighton Preston Park Timeseries Graph	118 (4 Moderate)	19 (1 Low)	n/m	n/m	n/m	26/05/2018 23:00:00
Canterbury Timeseries Graph	111 (4 Moderate)	27 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Chatham Roadside Timeseries Graph	n/m	33 (1 Low)	n/m	46 (5 Moderate)	59 (5 Moderate) ^*1	27/05/2018 01:00:00
Chilbolton Observatory Timeseries Graph	142 (6 Moderate)	21 (1 Low)	6 (1 Low)	29 (3 Low)	37 (3 Low)	26/05/2018 24:45:
Eastbourne Timeseries Graph	n/m	17 (1 Low)	n/m	34 (3 Low)	n/m	27/05/2018 01:00:00
Horley Timeseries Graph	n/m	19 (1 Low)	n/m	n/m	n/m	27/05/2018 18:00:00
Lullington Heath Timeseries Graph	132 (5 Moderate)	14 (1 Low)	5 (1 Low)	n/m	n/m	27/05/2018 15:15:00
Oxford Centre Roadside Timeseries Graph	n/m	39 (1 Low)	n/m	n/m	n/m	27/05/2018 14:00:00
Oxford St Ebbes Timeseries Graph	n/m	10 (1 Low)	n/m	29 (3 Low)	32 (2 Low)	27/05/2018 01:00:00
Portsmouth Timeseries Graph	104 (4 Moderate)	41 (1 Low)	n/m	19 (2 Low)	42 (3 Low)	27/05/2018 17:00:00
Portsmouth Anglesea Road Timeseries Graph	n/m	70 (2 Low)	n/m	n/m	38 (3 Low) ^*1	27/05/2018 20:00:00
Reading London Road Timeseries Graph	n/m	43 (1 Low)	n/m	n/m	41 (3 Low) ^*2	26/05/2018 23:00:00
Reading New Town Timeseries Graph	122 (5 Moderate)	28 (1 Low)	n/m	25 (3 Low)	30 (2 Low)	27/05/2018 02:00:00
Rochester Stoke Timeseries Graph	107 (4 Moderate)	27 (1 Low)	4 (1 Low)	35 (3 Low)	50 (3 Low)	27/05/2018 08:45:00
Southampton A33 Timeseries Graph	n/m	48 (1 Low)	n/m	n/m	31 (2 Low)	27/05/2018 13:00:00
Southampton Centre Timeseries Graph	112 (4 Moderate)	43 (1 Low)	15 (1 Low)	32 (3 Low)	39 (3 Low)	27/05/2018 13:00:00
Storrington Roadside Timeseries Graph	n/m	30 (1 Low)	n/m	n/m	n/m	27/05/2018 12:00:00
Worthing A27 Roadside Timeseries Graph	n/m	56 (1 Low)	n/m	25 (3 Low)	n/m	27/05/2018 01:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Cardiff Centre Timeseries Graph	91 (3 Low)	12 (1 Low)	4 (1 Low)	27 (3 Low)	31 (2 Low)	27/05/2018 04:30:00
Cardiff Newport Road Timeseries Graph	n/m	35 (1 Low)	n/m	n/m	37 (3 Low) ^*1	27/05/2018 20:00:00
Chepstow A48 Timeseries Graph	n/m	45 (1 Low)	n/m	24 (3 Low)	33 (2 Low)	27/05/2018 02:00:00
Cwmbran Timeseries Graph	104 (4 Moderate)	7 (1 Low)	n/m	n/m	n/m	27/05/2018 02:00:00
Hafod-yr-ynys Roadside Timeseries Graph	n/m	70 (2 Low)	n/m	n/m	n/m	27/05/2018 19:00:00
Narberth Timeseries Graph	110 (4 Moderate)	7 (1 Low)	12 (1 Low)	n/m	25 (2 Low)	27/05/2018 15:45:00
Newport Timeseries Graph	n/m	33 (1 Low)	n/m	n/a	n/a	15/08/2017 01:00:00
Port Talbot Margam Timeseries Graph	115 (4 Moderate)	22 (1 Low)	2 (1 Low)	20 (2 Low)	26 (2 Low)	27/05/2018 19:45:00
Swansea Roadside Timeseries Graph	n/m	31 (1 Low)	n/m	25 (3 Low)	31 (2 Low) ^*2	27/05/2018 05:00:00

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 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	n/a	n/a	21/05/2018 01:00:00
Bath Roadside Timeseries Graph	n/m	44 (1 Low)	n/m	n/m	n/m	27/05/2018 18:00:00
Bournemouth Timeseries Graph	n/a	n/a	n/m	24 (3 Low)	n/m	26/05/2018 13:00:00
Bristol St Paul's Timeseries Graph	93 (3 Low)	16 (1 Low)	n/m	32 (3 Low)	42 (3 Low)	27/05/2018 04:00:00
Bristol Temple Way Timeseries Graph	n/m	71 (2 Low)	n/m	n/m	50 (3 Low) ^*1	27/05/2018 17:00:00
Charlton Mackrell Timeseries Graph	92 (3 Low)	9 (1 Low)	n/m	n/m	n/m	26/05/2018 22:00:00
Christchurch Barrack Road Timeseries Graph	n/m	30 (1 Low)	n/m	23 (2 Low)	n/m	27/05/2018 01:00:00
Exeter Roadside Timeseries Graph	71 (3 Low)	59 (1 Low)	n/m	n/m	n/m	27/05/2018 08:00:00
Honiton Timeseries Graph	n/m	13 (1 Low)	n/m	n/m	n/m	27/05/2018 06:00:00
Plymouth Centre Timeseries Graph	101 (4 Moderate)	20 (1 Low)	n/m	29 (3 Low)	36 (3 Low)	27/05/2018 03:00:00
Plymouth Tavistock Road Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	26/05/2018 21:00:00
Saltash Callington Road Timeseries Graph	n/m	n/m	n/m	26 (3 Low)	n/a	27/05/2018 05:00:00
Swindon Walcot Timeseries Graph	n/m	13 (1 Low)	n/m	n/m	n/m	27/05/2018 12:00:00
Yarner Wood Timeseries Graph	87 (3 Low)	15 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Mace Head Timeseries Graph	112 (4 Moderate)	n/m	n/m	n/m	n/m	26/05/2018 24:00:

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Birmingham A4540 Roadside Timeseries Graph	94 (3 Low)	35 (1 Low)	n/m	25 (3 Low)	33 (2 Low)	27/05/2018 01:00:00
Birmingham Acocks Green Timeseries Graph	101 (4 Moderate)	18 (1 Low)	n/m	26 (3 Low)	n/m	27/05/2018 01:00:00
Burton-on-Trent Horninglow Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Cannock A5190 Roadside Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	n/m	27/05/2018 13:00:00
Coventry Allesley Timeseries Graph	102 (4 Moderate)	19 (1 Low)	n/m	32 (3 Low)	n/m	27/05/2018 01:00:00
Coventry Binley Road Timeseries Graph	n/m	40 (1 Low)	n/m	n/m	37 (3 Low)	27/05/2018 18:00:00
Leamington Spa Timeseries Graph	102 (4 Moderate)	17 (1 Low)	n/m	27 (3 Low)	35 (3 Low)	27/05/2018 01:00:00
Leamington Spa Rugby Road Timeseries Graph	n/m	12 (1 Low)	n/m	30 (3 Low)	36 (3 Low)	27/05/2018 01:00:00
Leominster Timeseries Graph	105 (4 Moderate)	9 (1 Low)	n/m	n/m	n/m	26/05/2018 24:00:
Oldbury Birmingham Road Timeseries Graph	n/m	74 (2 Low)	n/m	n/m	n/m	27/05/2018 19:00:00
Stoke-on-Trent A50 Roadside Timeseries Graph	n/m	44 (1 Low)	n/m	n/m	29 (2 Low)	27/05/2018 20:00:00
Stoke-on-Trent Centre Timeseries Graph	120 (4 Moderate)	10 (1 Low)	n/m	17 (2 Low)	n/m	27/05/2018 01:00:00
Telford Hollinswood Timeseries Graph	n/m	29 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Walsall Woodlands Timeseries Graph	104 (4 Moderate)	11 (1 Low)	n/m	n/m	n/m	26/05/2018 24:00:

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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Barnsley Gawber Timeseries Graph	108 (4 Moderate)	13 (1 Low)	11 (1 Low)	n/m	n/m	27/05/2018 19:15:00
Bradford Mayo Avenue Timeseries Graph	n/m	76 (2 Low)	n/m	n/m	n/m	26/05/2018 21:00:00
Dewsbury Ashworth Grove Timeseries Graph	n/m	26 (1 Low)	n/m	n/m	n/m	26/05/2018 21:00:00
Doncaster A630 Cleveland Street Timeseries Graph	n/m	28 (1 Low)	n/m	n/m	n/m	27/05/2018 01:00:00
High Muffles Timeseries Graph	130 (5 Moderate)	3 (1 Low)	n/m	n/m	n/m	27/05/2018 20:00:00
Hull Freetown Timeseries Graph	121 (5 Moderate)	11 (1 Low)	8 (1 Low)	15 (2 Low)	n/m	27/05/2018 18:45:00
Hull Holderness Road Timeseries Graph	n/m	10 (1 Low)	n/m	n/m	28 (2 Low) ^*1	27/05/2018 09:00:00
Immingham Woodlands Avenue Timeseries Graph	n/m	43 (1 Low)	n/m	n/m	n/m	27/05/2018 06:00:00
Leeds Centre Timeseries Graph	114 (4 Moderate)	11 (1 Low)	3 (1 Low)	17 (2 Low)	27 (2 Low)	27/05/2018 16:30:00
Leeds Headingley Kerbside Timeseries Graph	n/m	35 (1 Low)	n/m	18 (2 Low)	28 (2 Low)	27/05/2018 09:00:00
Scunthorpe Town Timeseries Graph	n/m	14 (1 Low)	54 (1 Low)	n/m	34 (3 Low)	27/05/2018 15:30:00
Sheffield Barnsley Road Timeseries Graph	n/m	43 (1 Low)	n/m	20 (2 Low)	n/m	27/05/2018 20:00:00
Sheffield Devonshire Green Timeseries Graph	113 (4 Moderate)	26 (1 Low)	n/m	19 (2 Low)	30 (2 Low)	27/05/2018 01:00:00
Sheffield Tinsley Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	n/m	26/05/2018 21:00:00
York Bootham Timeseries Graph	n/m	29 (1 Low)	n/m	14 (2 Low)	19 (2 Low)	27/05/2018 15:00:00
York Fishergate Timeseries Graph	n/m	30 (1 Low)	n/m	13 (2 Low)	24 (2 Low)	27/05/2018 14:00:00

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 BAM unheated
*3: measurements are PM₁₀ FIDAS

UK AIR

Air Information Resource