@CNN: More than 2,100 cities exceed recommended levels of atmospheric particulate matter, according to a new report… https://t.co/q8DEcZFMwX
More than 2,100 cities exceed recommended levels of atmospheric particulate matter, according to a new report https://t.co/8Wc4gyYCIw http://pic.twitter.com/UgmojSqlt8
— CNN (@CNN) October 30, 2017