Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

On Aug. 6, the Wisconsin Department of Natural Resources has not extended its Wisconsin air quality alert — a decision it ...

An air quality alert issued today from the Clark County Division of Air Quality warns that wildfire smoke from Southern ...

A thin veil of smoke from wildfires burning in Canada is worsening air quality and putting a lid on temperatures in the D.C.

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become ...

Residents of central Pennsylvania should prepare for hazy skies and reduced air quality today as wildfire smoke from Canada ...

An air quality alert is in effect for all of Massachusetts as smoke from Canadian wildfires descends into the Boston area.

Each New England state has seen an uptick in the number of days over the last five years when fine particulate matter (PM2.5) ...

In Grand Rapids, the Air Quality Index, which measures particle pollution in the air, was over 100 AQI six of the last seven ...