The NWS San Diego CA reported an air quality alert at 7:19 p.m. on Sunday in effect until Monday at 6 p.m. The alert is for ...

According to the Maricopa County Air Quality Map, several parts of the Valley have an air quality level listed in the "very ...

Air quality in confined spaces can change in an instant—and assumptions can be costly. Here’s why continuous monitoring and ...

Tips to stay protected from harmful air quality 01:57. Smoke from wildfires in Canada has drifted into the U.S., prompting air quality alerts for Americans as it continues to spread.. But when ...