Wildfire smoke creates fine particulate matter that can linger in the atmosphere and spread from coast to coast. According to the US Environmental Protection Agency (EPA), in large quantities ...

The first is by using the Wildfire Aware map produced ... and Smoke mapping tool, a collaboration between the U.S. Forest Service and the Environmental Protection Agency, lets you track air ...

Contributing: Christopher Cann This article originally appeared on USA TODAY: California wildfire map: Track blaze near Los Angeles and in Sonoma wine country ...

Canada wildfires spark air quality alerts in Chicago North American smoke alerts in maps and images At least dozen dead as heat dome sears southern US Should you wear a mask because of wildfire smoke?

Los Angeles has experienced some of the world’s worst air quality this week as smoke from massive wildfires blankets the region and threatens the health of far more people than the fires themselves.