Live updates as wildfire smoke prompts air quality alerts across Philadelphia region

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Last updated: Friday, July 17, 2026 3:15AM GMT
LIVE: Philly officials holds news conference on air quality

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.

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.

Air quality alerts have been issued in Philadelphia, Pennsylvania, New Jersey and Delaware.

Follow along for live updates.

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Here's how the news is developing.
Jul 16, 2026, 10:48 PM

Latest AccuWeather forecast on air quality and extreme heat

AccuWeather Alert: Smoke expected to intensify overnight

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.

FRIDAY: We again could see smoke reducing visibility and creating air quality issues. Clouds mix with sunshine, high 90.

Get the latest AccuWeather forecast at 6abc.com/weather.

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Jul 16, 2026, 10:42 PM GMT

AUDIO: Wildfire smoke impacting Philly flights

A thick layer of wildfire smoke blanketed the Philadelphia area on Thursday, reducing visibility and raising concerns for pilots flying into Philadelphia International Airport.

Air traffic control audio captured an exchange between the crew of American Airlines Flight 2536 and the control tower as the aircraft approached the airport.

"We are starting to pick up some ash on our windshield. Has anyone else been reporting that?" a pilot asked.

Wildfire smoke impacting Philly flights

"No, that's the first one. How long?" an air traffic controller responded.

"Yeah, I've never seen it stick to the windshield like this," the pilot replied.

"Yeah, it's the first time I've actually ever heard about it," the controller said.

In response to the smoky conditions, the Federal Aviation Administration said it slowed the rate of flights arriving at Philadelphia International Airport because of reduced visibility.

The smoke was carried into the region from active wildfires burning in Canada.

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