Air report names California cities as country’s worst soot, ozone polluters
Once again, California cities occupy the top five spots in terms of having the nation’s sootiest and smoggiest air, according to the American Lung Association (ALA) as detailed in its “State of the Air 2015” report. For daily PM 2.5 (fine particulate matter less than 2.5 micrometers across), the number 1 through 5 spots are: … Read more