smoke coming out of an industrial chimney

Air Quality

Good air quality happens when the air is free of harmful substances, clean enough for humans or the environment. Bad air quality or air pollution is contamination of the environment. Find out what causes air pollution, the health effects of bad quality air, like asthma and heart illnesses, including climate change, and the new policies aimed at improving air quality in California.

Find out the latest research about E-cigarettes and the toxicity debate of gas stoves.