Air Pollution

Air Pollution

Air pollution is the presence of harmful substances in the air that can affect the health of people, animals, plants, and even the environment. These pollutants come from many sources, like car exhaust, factory smoke, wildfires, and even dust or chemicals used in farming. Air pollu...

Air pollution happens when harmful substances are released into the air in large amounts. These can be natural materials like dust or man-made like smoke, soot, or chemical gases. Some pollutants react with sunlight and form new compounds, like ozone.

This mix of particles and gases is often called smog.

In cities, it’s hard to...