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This lesson covers the main atmospheric pollutants, their sources, and their effects on the environment and human health, as required by AQA GCSE Chemistry specification (5.9.3). You need to understand which pollutants are produced by human activities (particularly burning fuels), how they form, and the problems they cause. This is a key topic that links chemistry to real-world environmental issues.
Atmospheric pollutants are substances released into the air that have harmful effects on the environment and/or human health. Most atmospheric pollutants are produced by the combustion (burning) of fossil fuels — coal, oil, and natural gas — in power stations, vehicles, factories, and homes.
The main atmospheric pollutants you need to know are:
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