Atmospheric dispersion modeling

Atmospheric dispersion modeling is when scientists use math and computers to figure out how air pollution moves in the atmosphere. It's like playing an imaginary game where the air pollution is a ball! First, scientists use math to figure out how a 'ball' of air pollution will move due to winds, temperature, and other things. Then they use computers to model, or imagine, what will happen when the 'ball' of air pollution moves around in the atmosphere. Finally, scientists use the information they get from their models to come up with ways to help reduce air pollution.