Outdoor air pollution in the United States

Air pollutants have been documented to harm people in a variety of ways. Indoor air pollutants are an important source of exposure since so much of modern life occurs indoors. Figure 10–16 in your textbook shows key sources of indoor air pollution but omits an important one—tobacco. The Clean Air Act and other US agencies regulate outdoor air pollutants and environmental health laws. Industry is one source of air pollution, emitting a variety of volatile organic compounds (VOCs), combustion products, and other toxic compounds.