Canada wildfires 2026 smoke drifts across North America, triggering air quality alerts and health concerns. Thousands of campers were evacuated from remote areas after lightning-sparked fires spread rapidly. Wildfire smoke contains harmful particles and gases affecting lungs and hearts, especially for vulnerable groups. Health experts warn that extreme heat combined with poor air quality increases health risks. Reducing exposure to smoke remains the most effective way to minimize health risks.

Over 800 wildfires are burning through forests in Canada, prompting heavy smoke warnings for millions of Americans.

Wildfires in Canada are pouring thick clouds of smoke into the US and will usher in unhealthy air quality for millions of people in Northeast and Midwest.

States warned residents about air quality issues that could last for days