Harrisburg, Pa. – Wildfire smoke from Canada is expected to reach parts of the East Coast by 1 p.m. Monday, bringing hazy skies and potential air quality concerns across Pennsylvania, New York, and Maryland through Tuesday.
According to the National Weather Service in Pittsburgh, the highest concentrations of smoke will initially remain aloft, resulting in a milky sky across the region Monday afternoon and evening. However, by Tuesday, some of the smoke is likely to settle near the surface—especially in valleys and urban corridors—raising the risk for respiratory irritation and reduced visibility.
Cities including Philadelphia, Albany, and Baltimore could see minor dips in daytime temperatures due to the sun-filtering effect of thick smoke layers. Sensitive groups such as children, seniors, and those with asthma are advised to stay indoors if haze or breathing discomfort becomes noticeable. Outdoor activities should be limited, and windows kept closed where possible.
This marks the first significant smoke event of June for the region. While no Code Orange or Red alerts have been issued yet, state agencies are monitoring air quality and may update guidance.
Conditions are expected to gradually improve by late Tuesday night, though additional smoke episodes remain possible if wildfires continue burning in eastern Canada.
