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The air outside our homes(it comes inside too!)
RCP RCPCH – London12th April 2017
Gary [email protected]
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London air as painted (and breathed) by MonetClaude Monet. London. The Waterloo Bridge. 1903. Oil on canvas. The Carnegi Institute, Museum of Art, Pittsburgh, USA public copyright.
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Ind KerbsideRoadsideUrbanbkgd SuburbanRural
Annu
alM
ean(µgm
-3)
40µgm-3annualmeanAQSObjective
The state of London’s air 2015– NO2
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Industrial KerbsideRoadside UrbanbackgroundSuburban
Dailym
eans>50µg
m-3
AQSObjective:notmorethan35daysgreaterthan50µgm-3
The state of London’s air 2015 – PM10
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The state of London’s air 2015 – PM2.5
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5
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15
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25
30
Annu
alM
ean(µgm
-3)
25 µgm-3 tobemetby2020
WHOguidelinevalue10µgm-3
KerbsideRoadside Urbanbackground
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Ambient air pollution has a health impact
29,000prematuredeathsperyearintheUKincluding3,500inLondonCouldbeashighas40,000deaths(RcP)peryearifweincludeNO2,9,500inLondon
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Mostofustravelaroundbutbeingindoorsofferssomeprotectionfromoutdoorairpollution
TheOpenRouteServiceAPI(www.openrouteservice.org)wasusedtosimulatewalkingtrips(shortest-path),ProjectOSRMAPI(www.project-osrm.org)tosimulatecartrips(quickest-path),GoogleDirections(https://developers.google.com/maps/documentation/directions/)tosimulatecycling(quickest-path),andtheTfLJourneyPlanner(journeyplanner.tfl.gov.uk)tosimulatepublictransporttrips(overground train,theLondonunderground,theDocklandsLightRailwayandbus).Smithetal(2016)Environ.Sci.Technol.2016,50,11760−11768.
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A winter’s Sunday afternoon in Gary’s house....
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A winter’s Sunday afternoon in Gary’s house....
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A winter’s Sunday afternoon in Gary’s house....
Fuller,G.,Sciare,J.,Lutz,M.,Moukhtar,S.&Wagener,S. Apr2013.AtmosphericEnvironment. 68,295-296
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Our homes protect us from outdoor air pollution(Smith et al 2016)
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Our homes protect us from outdoor air pollution(Smith et al 2016)
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Conclusions § Our outdoor air pollution has changed in the second half of the 20th
century but it still exerts a very large health burden in the UK.
§ Outdoors we have yet to achieve EU (and UK) limits for NO2 that were set in 1999 to be met by 2010.
§ Although we meet EU (and UK) limits for PM this exerts a health burden equivalent to 29,000 premature deaths per year in the UK (COMEAP 2010) including 3,500 in London (Walters et al 2015). This could be as high as 40,000 deaths (RcP, 2016) per year if we include NO2, 9,500 in London.
§ Although our buildings offer some protection from outdoor air pollution, but the outdoor air comes in, and what we do each day affects our exposure.
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Londonjourney’s
ThankstoJamesSmith,SeanBeeversandmanymoreatKing’s
FundingfromDEFRA,London’slocalauthoritiesandNERC