Wildfire smoke is back – fires burning across Canada are already triggering U.S. air quality alerts in the Midwest and Plains ...

Several states across the northern U.S. were placed under air quality alerts on Monday as smoke from dozens of wildfires ...

Hazy conditions blanketed parts of four U.S. states Monday, as smoke from wildfires in western Canada triggered air quality alerts and warnings. Canada has 146 active wildfires burning, including ...

Canada is dealing with a series of intense wildfires that have spread from the western provinces to Quebec, with hundreds of forest fires burning. Wind has carried smoke from the fires southward, ...

The current snowpack and cooler weather have kept much of Eastern Canada safe from any wildfires this year. However, last ...

Hundreds of fires raging across Canada have filled the skies with haze over parts of the US, pushing air quality down to ...

A hazy city skyline and quiet sidewalk strip tell part of the story up north in Canada, where dozens of wildfires rage.

The Air Quality Bureau in Des Moines reported more than 30 exceedances of the National Ambient Air Quality Standards (NAAQS) in Iowa last month related to the ongoing wildfires in Canada.

MADISON, Wis. — Smoke from Canadian wildfires has prompted health warnings across the upper Midwest for the second straight year. Fires raging in British Columbia and Alberta sent the haze over ...

An air quality alert has been issued for 11 Michigan counties, including in Metro Detroit, as Canadian wildfire smoke returns ...