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Last updated: Thursday, July 16, 2026 9:31PM GMT<\/p>\n
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PHILADELPHIA (WPVI) — Heavy smoke from wildfires is darkening skies from the U.S. Midwest to the East Coast. The smoke on Thursday prompted warnings that breathing the air outside could be dangerous for people.<\/p>\n
The smoke is coming from fires that are burning primarily in Canada but also in northern Minnesota. A National Weather Service Meteorologist in Detroit says a lingering high pressure system has trapped the smoke close to the ground.<\/p>\n
Air quality alerts have been issued in Philadelphia, Pennsylvania, New Jersey and Delaware.<\/p>\n
Follow along for live updates.<\/p>\n
Key Headlines<\/p>\n
Here’s how the news is developing.<\/p>\n
Latest AccuWeather forecast on air quality and extreme heat<\/p>\n
Wildfire smoke from Canada is creating a Code Red Air Quality Alert and we’ll continue to see some impacts tomorrow.<\/p>\n
Wildfire smoke is creating a Code Red Air Quality Alert and we’ll continue to see some impacts Friday.<\/p>\n
THURSDAY: Smoke in our region has dropped air quality to unhealthy levels for all.. Please limit outdoor activities to prevent yourself from breathing in harmful particulates. Another hot day as heat wave #5 rolls on, high 92, and humid. Watch for an isolated storm to pop up that could be gusty.<\/p>\n
FRIDAY: We again could see smoke reducing visibility and creating air quality issues. Clouds mix with sunshine, high 90.<\/p>\n