室内空气污染INDOORAIRpollux

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1、INDOORAIRPOLLUTIONHAZARDHanYang...INDOORAIRQUALITYIndoorairquality(IAQ)isatermwhichreferstothe airquality withinandaround buildings and structures,especiallyasitrelatestothehealthandcomfortofbuildingoccupants.INDOORAIRQUALITYIndoorairqualityisinfluenc

2、edby:Outdoorairpollution:vehiclesandindustrialplantsSecondhandtobaccosmokeFuelsusedforheatingandcookingConfinedandpoorlyventilatedspacesOvercrowdedhomesandinsufficientlivingspaceCustoms,habits,traditionsLevelofeconomicdevelopment:Industrialized≠developi

3、ngcountriesADVERSEHEALTHEFFECTSIrritationofthemucousmembranes(eyes,nose,throat)Cough,wheeze,chesttightnessIncreasedairwayresponsivenesstoallergensLong-termexposuredecreaseslunggrowthImpairmentofpulmonaryfunctionIncreasedsusceptibilitytochronicobstructiv

4、elungdiseasesAcuteChronicENVIRONMENTANDPOLLUTIONIndoorenvironmentsalsoreflectoutdoorairqualityIndustrialoragriculturalactivitiesTreatmentofindustrialeffluentsanddomesticresiduesTrafficSolidwastemanagementCottageindustriesChemicalincidentsandspillsENVIRO

5、NMENTANDPOLLUTIONIndoorairpollutionalsoaffectsoutdoorairqualityINDOORAIRPOLLUTANTParticulatematterCarbonmonoxideSecondhandtobaccosmokePesticidesVolatileorganiccompoundsBiologicalpollutants-Mites-Allergens-MouldsRadonAsbestosPARTICULATEMATTERCoarsepartic

6、les(2.5–10micrometres)depositedintheupperrespiratorytractandlargeairwaysFineparticles(<2.5micrometres)mayreachterminalbronchiolesandalveoliSMOKYCOOKINGFUELSOpenfirecookingstovesproduceheavysmokecontaining:FineparticlesCarbonmonoxide(CO)Polycyclicaromati

7、chydrocarbons(PAHs)StronglylinkedtopneumoniaSuggestedlinktolowbirthweightInadults:chronicobstructivepulmonarydisease,lungcancerSMOKYCOOKINGFUELSLevelofparticulatesinhomeusingbiofuel:>1000µg/m3(24hrmean)Canreach10000µg/m3PM10EPA:50µg/m3PM10annualmeanWome

8、nandyoungchildrenhavegreatestexposureSMOKYCOOKINGFUELSAgedistributionofglobalburdenofdiseaseattributabletosolidfueluseAgegroup(yrs)AttributablemortalityAttributableDALYs0–456835–140015–595860+389Youngchildrenathighriskdueto:Lungi