英文：雾霾(Haze)的相关定义、危害、成因、现状及个人和政府应该采取的措施

Haze(雾霾)Contents1.Chaijingandherdocumentary2.Definitionofhaze3.CurrentSituation4.Damage5.Causes6.WhatcanwedoChaijingandherdocumentary《UndertheDome》madebyChaiJingIn2015,AformerCCTVpresenter,ChaiJing,hasreleasedaself-fundeddocumentaryabouthazeShowingaseriesofphotographsandslides,Chaiexamineshowthepollutionproblemhasbecomesoseriousinthecountryandrevealstheprojectwasinspiredbylungillnessofhernew-borndaughterTheTEDTalk-stylepresentationbecomeaviralhitrackingupover100millionviewsinlessthan24hoursDefinitionHaze:“aslightobscurationoftheloweratmosphere,typicallycausedbyfinesuspendedparticles”Smog:“fogorhazeintensifiedbysmokeorotheratmosphericpollutants”(accordingtoNewOxfordDictionaryofEnglish)haze=SO2NOx＋PM2.5＋Definition•PM:Particulatematter.•PM10:Inhalableparticles•PM2.5:Particlescanbedrawnintolung,whichdiameterislessthan2.5micron.DefinitionAPI:AirpollutionIndexAQI:AirQualityIndexFour-tieralerts:blue,yellow,orangeandred-willbeissuedonheavypollutiondays.Redalert,thehighest,willbeissuedforheavypollutionthatisexpectedtolastmorethanthreedays.SituationGlobalsatellite-derivedmapofPM2.5averagedover2001-2006ThismeasurementsfromtwoNASAsatelliteinstrumentswithinformationabouttheverticaldistributionofaerosolsfromacomputermodelThemapshowsveryhighlevelsofPM2.5inabroadswathstretchingfromtheSaharanDesertinNorthernAfricatoEasternAsiaSituationBeijinghasissuedaredalertforhazesince2013whenBeijingadoptedanemergencyresponseprogramforairpollutionMuchofnorth-easternChinawereenvelopedbysomeoftheworstlevelsofhazeonrecord爆表了！offthecharts！DamageHealth1.Breathingparticulate-ladenairmaybehardeningourarteriesfasterthannormal.2.Itmayhasabadeffectonourrespiratoryorganandcardiocascularsystem(心血管系统).3.Fog,hazeweather,theairwilloftenwithbacteriaandviruses(细菌和病毒),easytocausethespreaddiseases.DamageHealthAlabtestshowedatleast15cancer-causingmatterswerecontainedinthetestedsamplecontaminatedbythepollutionairAprofessorwhohasstudiedairpollutionfor30yearssaid,inthe1980s,pollutedairhadbeguntocauselungcancerinChina,butpeopleweremoreconcernedabouteconomicdevelopmentatthattime.DamageTraffichazeistheobstacleofvisibility,whichincreasetrafficaccidentsthelowatmospheremakespeoplefeelnervousanddepressedPsychologyTheharmofchildren'sgrowthconcernedaboutherdaughter'shealth.Iftheairpollutionstayslikethis,herwon'teverbeabletoleavethehouse.CausesAftersomeanalysis,scientistsfromChinaAcademyofSciencesfoundthattheblackmatterscapturedbythesamplingdevicewerefromburningcoal,fuel,fertilizers,industrialproduction,dust,andotherhuman-relatedactivities.Conclusion:60%ofPM2.5inChinacomesfromtheburningoffossilfuels.suspendedindustrialdustvehicleexhaustWinterheatingWhatcanwedoBecareofvisibility,it’sharmfultoyouifthevisibilityisunder5miles.SearchAirQualityIndexfirst,reduceoutdoorexerciseifit’sbeyond100.WearN95maskwhiledensityofPM2.5reach150μg/m3Peoplewithrespiratorydiseaseshouldwearmaskwhileit’sbeyond75.Drinkmorewater(notdrink),atleast1200mlperday.GoodpersonalhygieneWhatcangovernmentdoIncreasethegreenareaEnactmorestrictlawsstrengthenairmonitordevelopgreenandenergy-savingenergy•Thankyou!