Key Air Pollutants

PM10, PM2.5, SO2, NO2 and O3 National Ambient Air Quality Standards (NAAQS) The NAAQS are standards for outdoor air quality set by the US Environmental Protection Agency (EPA). The NAAQS are designed to protect public health and public welfare. 

National Emissions Standards for Hazardous Air Pollutants (NESHAP) NESHAP are standards for hazardous air pollutants set by the US Environmental Protection Agency (EPA). NESHAP are designed to protect public health. 

National Emissions Standards for Hazardous Air Pollutants for Major Sources (MNESHAP) MNESHAP are standards for hazardous air pollutants set by the US Environmental Protection Agency (EPA). MNESHAP are designed to protect public health. National Emissions Standards for Hazardous Air Pollutants for Area Sources (ANESHAP) ANESHAP are standards for hazardous air pollutants set by the US Environmental Protection Agency (EPA). 

ANESHAP are designed to protect public health. National Emissions Standards for Hazardous Air Pollutants for Stationary Sources (SNESHAP) SNESHAP are standards for businesses and municipalities to abide by as a national baseline. 

 

Air pollutants can lead to the following conditions:

  • Cancer
  • Heart disease
  • Stroke
  • Lung disease
  • Chronic bronchitis
  • Emphysema
  • Asthma
  • Premature death

 

Air pollutants of the troposphere and stratosphere

 

Tropospheric air pollution is caused by emissions of sulfur dioxide, nitrogen oxides, and volatile organic compounds from human activities such as combustion of fossil fuels. These pollutants react in the atmosphere to form fine particles, ground-level ozone, and other chemicals that can harm public health and the environment

Stratospheric air pollution is caused by emissions of chlorine and bromine from human activities such as chlorofluorocarbon production and use. These pollutants destroy stratospheric ozone, which protects the Earth’s surface from harmful ultraviolet radiation.

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