An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

The map below is a live snapshot of the current Bay Area air quality readings collected by Purple Air sensors and other groups. Each dot on the map shows the latest readings calculated by one of ...

How to check the air quality where you live. To find out what the air quality is at your location visit AirNow and insert your state, city or ZIP Code.. Below are air quality maps for the U.S. and ...

The map identified one area in northwestern California, near Crescent City, as having "very unhealthy" air quality. Several other areas, including those around San Jose and Sequoia National Park ...

Wednesday morning Robert Ukeiley testified, calling for the U.S. Environmental Protection Agency to include northern Weld County within boarders of the air quality non-attainment area.

The Bay Area Air Quality Management District released a map that shows the levels of air pollution according to an Air Quality Index Levels of Health Concern in the Bay Area as of 7 a.m. local ...

SAN FRANCISCO (KRON) — Air quality in the Bay Area appears to have declined Thursday. According to IQAir’s map, much of the Peninsula, East Bay, plus San Francisco and Marin County are ...

While the northern section of Weld County, which was held out of the non-attainment area, is only responsible for about 25% of the nitrogen oxides and 18% of the volatile organic compounds emitted ...