What is Air pollution struction and harmful ?
What is Air pollution struction and harmful ? Posted on 十二月 12, 2018 by olans228 Air pollution struction Air pollutants include smoke, steam, charred paper (CharredPaper), Dust, Soot, Grime, CarbonFumes, gas, Mist, Order, granular ParticulateMatter, Radioactive Materials, toxic chemicals (NoxiousChemicals), or other outdoor atmosphere. Harmful for air pollution The harm of air pollution to human health includes both acute and chronic. When a person is exposed to high concentrations of pollutant air for a period of time, it will immediately cause poisoning or other symptoms, which is an acute hazard. Chronic hazard The mountain fire caused serious pollution of the atmosphere It is a long-term exposure of people in the air of low-concentration pollutants, and the cumulative effect of pollutant harm causes people to develop symptoms. The Pollutant Standard Index (PSI) is an indicator determined by the US Environmental Protection Agency and other agencie...