PENNSYLVANIA — A Code Red Air Quality Alert has been issued for much of Pennsylvania as smoke from ongoing Canadian wildfires moves into the region, creating unhealthy air conditions across the Commonwealth.
The Pennsylvania Department of Environmental Protection (DEP) issued the alert after elevated levels of fine particulate matter (PM2.5) were detected. These tiny particles, carried by wildfire smoke, can penetrate deep into the lungs and pose health risks to everyone—not just those with pre-existing medical conditions.
A Code Red on the Air Quality Index (AQI) means the air is considered unhealthy for everyone. While sensitive groups, including children, older adults, pregnant women, and people with asthma, heart disease, or other respiratory illnesses, are at the greatest risk, even healthy individuals may experience symptoms such as coughing, throat irritation, shortness of breath, or eye irritation after spending time outdoors.
Residents are encouraged to limit prolonged outdoor activity, especially strenuous exercise, until air quality improves. Health officials also recommend keeping windows and doors closed, using air conditioning on recirculate mode if available, and considering the use of a HEPA air purifier indoors. Anyone who must spend extended time outside should consider wearing a properly fitted N95 mask.
The smoky conditions are the result of large wildfires burning in Canada, with changing weather patterns allowing the smoke to drift south into Pennsylvania and much of the Northeast. In some areas, residents may notice hazy skies, reduced visibility, and the smell of smoke throughout the day.
Air quality conditions are expected to improve as weather systems move through the region, but officials caution that conditions can change quickly depending on wind direction and wildfire activity.
The DEP encourages residents to continue monitoring local air quality forecasts and to take appropriate precautions until the alert is lifted. Those experiencing severe breathing difficulties or worsening respiratory symptoms should seek medical attention immediately.
