Massive wildfires burning across central Canada since May have scorched millions of acres. Dry weather, extreme heat, and leftover “zombie fires” from last season have fueled this year’s early and intense fire activity.
Over the past 48 hours, northwest winds carried thick smoke hundreds of miles into the Midwest and Great Lakes, pushing air quality to unhealthy levels from Minnesota to Michigan and even parts of the Northeast. A high-pressure dome is trapping smoke close to the ground, making it hard to breathe and cutting visibility in many cities.
Wildfire smoke contains fine particles (PM2.5) that can irritate eyes and lungs, worsen asthma or heart conditions, and increase long-term health risks with repeated exposure. Health officials advise staying indoors, using air purifiers, and wearing a N95 or KN95 mask outdoors.
Conditions are expected to slowly improve by Sunday or Monday, depending on shifting winds and weather patterns. Until then, check AirNow.gov for real-time AQI updates and limit strenuous activity outside.
Canada’s wildfires don’t stop at the border—and as fire seasons grow longer and more intense, smoky skies may be something we all need to prepare for each summer.
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