![]() ![]() Health problems related to wildfire smoke exposure can be as mild as eye and respiratory tract irritation and as serious as worsening of heart and lung disease, including asthma, and even premature death. ![]() Smoke can travel hundreds of miles, so you can be impacted even if you’re not near an active fire. Larger, more frequent and intense wildfires are a growing public health problem, contributing to reduced air quality for people living near or downwind of fire. The association between PM2.5 and heart and lung health effects is well documented in scientific literature. They are small enough to get deep into the lungs and the tiniest, ultrafine particles can pass directly into the bloodstream. Particles from smoke can be very small (with diameters of 2.5 micrometers and smaller). Particulate matter (PM) is the main pollutant of concern from wildfire smoke for relatively short-term exposures (hours to weeks). Wildfires produce a range of harmful air pollutants, from cancer-causing substances to tiny particles that can aggravate existing health problems and increase the risk of heart attack or stroke. ![]()
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