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Current Air Pollution Bulletin


Air Pollution is on a scale of 1 to 10
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High(7 - 9)      Very High (10)

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Pollutant levels recorded for the hour up to 3pm Thu Sep 2nd 2010
N/M means that the pollutant is not measured at that site              N/A means that no data were recorded for the period
Greater London
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Bexley N/M 11   (Low 1) 5   (Low 1) 0.1   (Low 1) N/M
Bloomsbury 44   (Low 2) 42   (Low 1) 5   (Low 1) 0.2   (Low 1) 26   (Low 2)
Camden Kerbside N/M 65   (Low 1) N/M N/M 32   (Low 2)
Cromwell Road 2 N/M N/A N/A N/A N/M
Eltham 82   (Low 3) 10   (Low 1) N/M N/M N/M
Haringey N/A 13   (Low 1) N/M N/M N/M
Haringey Roadside N/M 42   (Low 1) N/M N/M 30   (Low 2)
Harlington 76   (Low 3) 17   (Low 1) N/M N/M N/A
Hillingdon 68   (Low 3) 29   (Low 1) N/M N/M N/M
Marylebone Road 44   (Low 2) 76   (Low 1) 13   (Low 1) 0.4   (Low 1) 26   (Low 2)
N. Kensington 78   (Low 3) 23   (Low 1) 3   (Low 1) 0.1   (Low 1) N/A
Teddington N/A N/A N/M N/M N/M
Tower Hamlets Roadside N/M 67   (Low 1) N/M 0.4   (Low 1) N/M
Westminster 60   (Low 2) 36   (Low 1) 3   (Low 1) 0.7   (Low 1) N/M
North East
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Billingham N/M 65   (Low 1) N/M N/M N/M
Middlesbrough N/A N/A 16   (Low 1) 0.5   (Low 1) 22   (Low 2)
Stockton-on-Tees Eaglescliffe N/M 19   (Low 1) N/M N/M 27   (Low 2)
Sunderland Silksworth 64   (Low 2) 10   (Low 1) 5   (Low 1) N/M N/M
North West & Merseyside
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Blackburn Darwen Roadside N/M 50   (Low 1) N/M N/M N/M
Blackpool Marton N/A N/A N/M N/M N/M
Carlisle Roadside N/M 53   (Low 1) N/M N/M 30   (Low 2)
Glazebury 90   (Low 3) 13   (Low 1) N/M N/M N/M
Great Dun Fell 68   (Low 3) N/M N/M N/M N/M
Preston 70   (Low 3) 48   (Low 1) N/M N/M N/M
Warrington N/M 25   (Low 1) N/M N/M 44   (Low 3)
Wigan Centre 25   (Low 1) 31   (Low 1) N/M N/M N/M
Wirral Tranmere 78   (Low 3) 29   (Low 1) N/M N/M N/M
Yorkshire & Humberside
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Barnsley 12 N/M N/M 11   (Low 1) N/M N/M
Barnsley Gawber 54   (Low 2) N/A N/A N/M N/M
High Muffles 53   (Low 2) N/A N/M N/M N/M
Hull Freetown 38   (Low 2) N/A N/A N/A N/A
Scunthorpe Town N/M 23   (Low 1) 45   (Low 1) N/M 31   (Low 2)
York Bootham N/M N/M N/M N/M N/A
York Fishergate N/M 32   (Low 1) N/M N/M 25   (Low 2)
East Midlands
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Bottesford 84   (Low 3) N/M N/M N/M N/M
Chesterfield N/M 23   (Low 1) N/M N/M 30   (Low 2)
Chesterfield Roadside N/M 46   (Low 1) N/M N/M N/A
Ladybower 80   (Low 3) 17   (Low 1) 15.4   (Low 1) N/M N/M
Market Harborough 72   (Low 3) 11.5   (Low 1) N/M N/M N/M
Northampton 76   (Low 3) 11   (Low 1) 3   (Low 1) N/M N/M
West Midlands
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Coventry Memorial Park 78   (Low 3) 11   (Low 1) N/M N/M N/M
Leamington Spa 92   (Low 3) 10   (Low 1) 5   (Low 1) N/M 30   (Low 2)
Leominster 98   (Low 3) 15   (Low 1) 0   (Low 1) N/M N/M
Stoke-on-Trent Centre 74   (Low 3) 29   (Low 1) N/M N/M N/A
Eastern
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Cambridge Roadside N/M 31   (Low 1) N/M N/M N/M
Norwich Lakenfields 50   (Low 2) 17   (Low 1) 3   (Low 1) N/M 25   (Low 2)
Sandy Roadside N/M 6   (Low 1) N/M N/M 31   (Low 2)
Sibton 90   (Low 3) N/M N/M N/M N/M
Southend-on-Sea 90   (Low 3) 11   (Low 1) N/M N/M N/M
St Osyth N/A N/A N/M N/M N/M
Stanford-le-Hope Roadside N/M 10   (Low 1) 3   (Low 1) N/M 20   (Low 2)
Thurrock 94   (Low 3) N/A 3   (Low 1) N/M 32   (Low 2)
Weybourne N/A N/M N/M N/M N/M
Wicken Fen 59   (Low 2) N/A N/A N/M N/M
South East
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Canterbury N/M 6   (Low 1) N/M N/M N/M
Chatham Roadside N/M 23   (Low 1) N/M N/M 45   (Low 3)
Eastbourne N/M N/M N/M N/M 17   (Low 1)
Harwell 86   (Low 3) 8.8   (Low 1) 1.1   (Low 1) N/M N/A
Horley N/M N/A N/M N/M N/M
Lullington Heath 52   (Low 2) 10.7   (Low 1) 9   (Low 1) N/M N/M
Oxford Centre Roadside N/M N/A N/M N/M N/M
Oxford St Ebbes N/M 6   (Low 1) N/M N/M 25   (Low 2)
Reading New Town 72   (Low 3) 19   (Low 1) N/M N/M 25   (Low 2)
Rochester Stoke N/A N/A N/A N/M N/A
Southampton Centre 66   (Low 3) 38   (Low 1) 5   (Low 1) 0.3   (Low 1) 24   (Low 2)
Storrington Roadside N/M N/M N/M N/M 19   (Low 1)
South West
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Bath Roadside N/M 138   (Low 2) N/M N/M N/M
Bournemouth 76   (Low 3) 11   (Low 1) N/M N/M N/M
Charlton Mackrell 70   (Low 3) 9   (Low 1) N/M N/M N/M
Exeter Roadside 70   (Low 3) 44   (Low 1) N/M N/M N/M
Plymouth Centre 66   (Low 3) 27   (Low 1) N/M N/M 16   (Low 1)
Saltash Roadside N/M N/M N/M N/M N/A
Yarner Wood 60   (Low 2) N/A N/M N/M N/M
South Wales
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Chepstow A48 N/M 50   (Low 1) N/M N/M N/A
Cwmbran 90   (Low 3) 8   (Low 1) N/M N/M N/M
Narberth 78   (Low 3) 10.1   (Low 1) 5.1   (Low 1) N/M N/A
Newport N/M 31   (Low 1) N/M N/M N/A
North Wales
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Aston Hill 85   (Low 3) N/A N/M N/M N/M
Mold 72   (Low 3) 52   (Low 1) N/M N/M N/M
Wrexham N/M N/A N/A N/M N/M
Scottish Borders
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Dumfries N/M 42   (Low 1) N/M N/M N/M
Eskdalemuir 60   (Low 2) N/A N/M N/M N/M
Peebles 84   (Low 3) 11   (Low 1) N/M N/M N/M
Central Scotland
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Auchencorth Moss 62   (Low 2) N/M N/M N/M N/A
Bush Estate 60   (Low 2) 17   (Low 1) N/M N/M N/M
Dunbarton Roadside N/M N/A N/M N/M N/M
Grangemouth N/M 23   (Low 1) 51   (Low 1) N/M 25   (Low 2)
Grangemouth Moray N/M 27   (Low 1) N/M N/M N/M
North East Scotland
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Aberdeen 62   (Low 2) N/A N/M N/M 25   (Low 2)
Aberdeen Union Street Roadside N/M N/A N/M N/M N/M
Highland
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Fort William 34   (Low 2) N/A N/M N/M N/M
Inverness N/M 65   (Low 1) N/M N/M N/M
Lerwick 66   (Low 3) N/M N/M N/M N/M
Strath Vaich 70   (Low 3) N/M N/M N/M N/M
Northern Ireland
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Armagh Roadside N/M 17   (Low 1) N/M N/M 35   (Low 2)
Ballymena N/M N/M 3   (Low 1) N/M N/M
Derry 92   (Low 3) 17   (Low 1) 3   (Low 1) N/M 23   (Low 2)
Lough Navar 102   (Moderate 4) N/M N/M N/M 27   (Low 2)
West Midlands Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Birmingham Tyburn 84   (Low 3) 23   (Low 1) 5   (Low 1) N/M 49   (Low 3)
Birmingham Tyburn Roadside 56   (Low 2) 38   (Low 1) N/M N/M 44   (Low 3)
Sandwell West Bromwich 44   (Low 2) N/A 8   (Low 1) N/M N/M
Walsall Willenhall N/M N/A N/M N/M N/M
Greater Manchester Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Bury Roadside N/M 107   (Low 2) N/M N/A N/A
Manchester Piccadilly 78   (Low 3) 38   (Low 1) 21   (Low 1) N/M N/M
Manchester South 68   (Low 3) 27   (Low 1) N/M N/M N/M
Salford Eccles 78   (Low 3) 32   (Low 1) 0   (Low 1) 0   (Low 1) 37   (Low 2)
West Yorkshire Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Leeds Centre 39   (Low 2) 42   (Low 1) 80   (Low 1) 0.4   (Low 1) 29   (Low 2)
Leeds Headingley Kerbside N/M 88   (Low 1) N/M N/M 33   (Low 2)
Tyneside
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Newcastle Centre 62   (Low 2) 15   (Low 1) 5   (Low 1) 0   (Low 1) 20   (Low 2)
Newcastle Cradlewell Roadside N/M 53   (Low 1) N/M N/M N/M
Liverpool Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Liverpool Queen's Drive Roadside N/M 38   (Low 1) N/M N/M N/M
Liverpool Speke 74   (Low 3) 32   (Low 1) 5   (Low 1) 0.2   (Low 1) 40   (Low 2)
Sheffield Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Sheffield Centre 56   (Low 2) 48   (Low 1) 13   (Low 1) 0.3   (Low 1) N/A
Sheffield Tinsley N/M 17   (Low 1) N/M N/M N/M
Nottingham Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Nottingham Centre 62   (Low 2) 36   (Low 1) 16   (Low 1) N/M 34   (Low 2)
Bristol Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Bristol Old Market N/M 124   (Low 2) N/M 0.5   (Low 1) N/M
Bristol St Paul's 82   (Low 3) 13   (Low 1) 8   (Low 1) 0.1   (Low 1) 32   (Low 2)
Brighton/Worthing/Littlehampton
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Brighton Preston Park 72   (Low 3) 6   (Low 1) N/M N/M N/M
Brighton Roadside N/M 21   (Low 1) N/M N/M N/M
Leicester Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Leicester Centre 56   (Low 2) 25   (Low 1) 5   (Low 1) 0.2   (Low 1) 28   (Low 2)
Portsmouth Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Portsmouth 44   (Low 2) 15   (Low 1) N/M N/M 29   (Low 2)
Swansea Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Port Talbot Margam 94   (Low 3) 13   (Low 1) 5   (Low 1) 1.2   (Low 1) N/A
Swansea Roadside N/M 50   (Low 1) N/M N/M 27   (Low 2)
Cardiff Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Cardiff Centre 84   (Low 3) 6   (Low 1) 13   (Low 1) 0.2   (Low 1) 20   (Low 2)
Edinburgh Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Edinburgh St Leonards 52   (Low 2) 13   (Low 1) 13   (Low 1) 0.2   (Low 1) 24   (Low 2)
Glasgow Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Glasgow Centre 48   (Low 2) 50   (Low 1) 8   (Low 1) 0.3   (Low 1) 34   (Low 2)
Glasgow City Chambers N/M 61   (Low 1) N/M N/M N/M
Glasgow Kerbside N/M 122   (Low 2) N/M N/M 43   (Low 3)
Belfast Metropolitan Urban Area
SITE Hourly Mean
Ozone
(µgm-3)
Hourly Mean
Nitrogen dioxide
(µgm-3)
max 15min mean
Sulphur dioxide
(µgm-3)
8 Hourly Mean
Carbon monoxide
(mgm-3)
24Hour mean
PM10
Particles

(µgm-3Grav Equiv)
Belfast Centre N/A N/A N/A N/A N/A