State of the Air

April 30, 2015, 9am PDT
The 16th annual State of the Air report includes everyone's favorite tool for putting the achievements of cities and metropolitan areas in perspective: rankings.
American Lung Association
April 27, 2012, 5am PDT
Joanna Zelman reports on the good news and bad news contained in the American Lung Association's just released study, "State of the Air 2012." If you live in California, you may not want to read on.
Huffington Post