Trending in United States · Weather · Last observed Jul 17, 2026
code purple air quality trending in United States
A statewide Code Purple Air Quality Alert has been declared due to wildfire smoke affecting Pennsylvania and Washington DC areas.
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A significant spike in air pollution has led to a statewide Code Purple Air Quality Alert being issued for Pennsylvania and the Washington DC area, largely due to wildfire smoke drifting from Canada. This alert indicates very unhealthy air quality, especially harmful for sensitive groups such as children, the elderly, and those with respiratory conditions. Residents are advised to limit outdoor activities and stay informed on air quality updates.
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Commonwealth of Pennsylvania (.gov)
DEP Declares Statewide Code Purple Air Quality Alert for Friday, July 17, 2026 - Commonwealth of Pennsylvania (.gov)DEP Declares Statewide Code Purple Air Quality Alert for Friday, July 17, 2026 Commonwealth of Pennsylvania (.gov)
City of Philadelphia (.gov)
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