PM, or particulate matter, are tiny solid or liquid particles found in the atmosphere. Particulate matter is considered the most dangerous form of air pollution as the tiny particles can easily be absorbed by the lungs into the blood stream causing many health issues. The International Agency for Research on Cancer and the World Health Organization both consider particulates to be a Group 1 Carcinogen. PM 2.5 are particulates with a diameter of 2.5 micrometers. PM 2.5 particulates are especially dangerous as their small size allows them to penetrate the lungs more easily. We have taken data from the EPA and created a map that shows the mean PM 2.5 levels across the United States. Check out how clean the air is in your city or state below, and keep checking our site for more maps and data on air and water pollution!
Air pollution is definitely a concern, especially with the growing population. I came across this air pollution map on aqicn.org that shows real-time air quality around the world. The screenshot below is of the United States, and shows that earlier today, we had a good to moderate air pollution level. If you check out the site, you can see a map of the world and compare how each country or continent is ranking in their current air level rate. The map is color-coded with green being good, yellow being moderate, orange is unhealthy for sensitive groups, red is unhealthy, purple is very unhealthy and dark red is hazardous.