Code Yellow Air Quality or the moderate level for particle pollution is forecast for Saturday and Sunday. This may cause health symptoms for groups of people in the unusually sensitive category.

Environment Canada suggests the city’s air quality will stay at “moderate risk” levels until at least Saturday.

The red alert, issued by the Minnesota Pollution Control Agency, means that the air quality is unhealthy for everyone. It ...

Canada is having its second worst wildfire season yet. Two scientists explain what a red air alert means and how anyone living in impacted areas can protect themselves.

The sky over Winnipeg isn't just among the smokiest in Canada right now — the city has the unenviable distinction of having ...

People with chronic lung conditions and diseases should take their symptoms seriously when there are air quality alerts like ...

Air quality specialists in the state are starting to more closely monitor wildfire activity in Canada. Because of climate ...

As wildfires scorch the Western Slope, Coloradans may consider the air quality in different parts of the state before ...

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...

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

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

Wildfires combined with a persistent heat wave are significantly impacting air quality in the region, raising health concerns ...