Area Designations for the 2012 Annual Fine Particle (PM2.5) Standard
Where You LiveThe links on this page will direct you to information about designations recommendations for the fine particle standards for where you live, and will provide information about air quality conditions in your area.
State Designations - EPA issued initial area designations on December 18, 2014.
Tribal Designations - EPA issued initial area designations on December 18, 2014.
PM2.5 Conditions - Link to the AIRNow Web site for real-time displays of current ozone and particle pollution.
Webcams - The Effect of Fine Particle Pollution on Visibility Conditions - Link to a number of webcams in urban areas, national parks, and other scenic areas around the country. Fine particles scatter light and are a principle cause of poor visibility conditions.
Air Quality Forecast - Link to the AIRNow Web site for next-day air quality forecasts for hundreds of American cities.