Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.
Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.
The AQI incorporates measurements of five different air pollutants that the ... tell us what's really happening on the kind ...
The greater Los Angeles region, with a population of over 18 million people, already has some of the worst air quality in the nation. “In the greater LA area, we’re experiencing levels of air ...