The sky over Winnipeg was among the smokiest in the country Friday morning, prompting warnings from Environment and Climate ...

While the last few days have been marked by poor air quality in many regions of Quebec, the situation should gradually improve on Monday, according to Environment and Climate Canada. Early in the day, ...

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring relief later in the week.

Toronto is among the most polluted cities in the world on Monday morning as the city remains under a special air quality ...

WE STARTED NOTICING THE AIR QUALITY COMING DOWN LATE YESTERDAY EVENING THROUGH THE OVERNIGHT HOURS. AND THAT’S WHY THERE’S ...

Illinois residents are urged to reduce pollution levels. The air quality is expected to improve by Saturday, according to the National Weather Service. Hannah Hudnall covers trending news for the USA ...

Friday morning, Chicago's air quality showed a PM 2.5 of 157. Typically, anything above 100 is considered to be hazardous to at least some groups, and anything over 150 is considered to be “unhealthy, ...

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...