Summer months are a bad time for Wasatch Front air pollution. Ozone (PM 2.5) is the major culprit. Ozone is the invisible pollutant, a by-product of exhausts from smokestacks, cars and small engines like lawnmowers reacting to the sunlight. The Environmental Protection Agency (EPA) says one gas-powered lawn mower releases as many pollutants as eight new cars driving 55 miles … [Read more...]