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Earth and Human Activity: Human Impact
Air Quality
Description
Air Quality
Air quality describes how clean or polluted the air is in a particular place. Poor air quality happens when harmful particles or gases build up in the air, usually from sources like factories, cars, wildfires, or dust. These pollutants don’t always stay in one place—they can travel w...
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Transcript
Air quality means how clean or polluted the air is in a place. It changes depending on location, weather, and how much pollution is released. For example, wind can carry pollutants far from where they started.
Mountains can trap polluted air, especially during a temperature inversion, when cool air is stuck beneath warm air. This tra...
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