![Particulate Matter: The Facts](/sites/default/files/styles/472x642/public/2021-11/gi-274-0219-preview.png?itok=R8_lxuTl)
English
Keep Air Clean
Particulate Matter: The Facts
Learn how particulate matter — small particles and droplets in the air — affect your health and the environment, how to find local data, and how particulate matter is monitored and regulated.