People spend most of their time indoors(>90%0) 80.00% 70.00 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00% age group
0.00% 10.00% 20.00% 30.00% 40.00% 50.00% 60.00% 70.00% 80.00% total ＜20 20-40 ＞40 age group home office/school other indoor environments outdoor People spend most of their time indoors (>90%)
Estimated annual deaths due to indoor and outdoor pollution exposure Developed countries(urban) Developed Developing countries (rural) countries(Urban countries(urbal 23% ping ountries(rural) 93% 67% Total deaths 2.8 million Total deaths 0.2 million (indoor exposure) (outdoor exposure) WHO,2000
Estimated annual deaths due to indoor and outdoor pollution exposure Developing countries (rural) 67% Developing countries (urban) 23% Developed countries (urban) 9% Developed countries (rural) 1% Total deaths 2.8 million (indoor exposure) Developing countries (Urban) 7% Developed countries (Urban) 93% Total deaths 0.2 million (outdoor exposure) [WHO, 2000]
Different housing characteristics and behaviors with vary potential risks
Different housing characteristics and behaviors with vary potential risks
Change of environmental tobacco smoke ets) life style problems Increase of daily time spent Key elements IAQ problems in Elevate the modern society standard of living Airtight of buildings Emission of new products Ventilation indoor air pollutants decrease (HCHO, VOCS) Increase of Indoor air pollution
Change of life style Change of life style Airtight of buildings Airtight of buildings Increase of daily time spent Due to Ventilation decrease Elevate the standard of living Elevate the standard of living Increase of Consumer products Emission of new indoor air pollutants (HCHO, VOCs) Emission of new indoor air pollutants (HCHO, VOCs) Increase of Indoor air pollution Key elements IAQ problems in modern society environmental tobacco smoke (ETS) problems environmental tobacco smoke (ETS) problems
内容提要 研究室内空气污染的重要性与迫切性 室内空气污染物的主要来源 室内空气中主要污染物及其危害 室内空气污染对人体的健康效应 防治室内污染的主要措施
内容提要 • 研究室内空气污染的重要性与迫切性 • 室内空气污染物的主要来源 • 室内空气中主要污染物及其危害 • 室内空气污染对人体的健康效应 • 防治室内污染的主要措施