Ozone pollution is invisible,” says Kai Chen, PhD, co-faculty director of the Yale Center on Climate Change and Health, and that’s exactly why it is so dangerous. On July 9, air quality alerts ...

A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

The air quality alert will be in effect from midnight on Friday, July 4, to the end of Saturday, July 5, in Butler, Clermont, Hamilton and Warren counties in Ohio; Boone, ...

“Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of ...

On Saturday at 3:45 p.m. an air quality alert was reported by the National Weather Service in effect until Monday at midnight ...

EDT the National Weather Service reported an air quality alert in effect until Saturday at midnight EDT for Berrien County.