Weather Authority: 11 a.m. Thursday Update
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Weather Authority: 11 a.m. Thursday Update

FOX 29's Sue Serio has the latest forecast and a look at the air quality in the area.

FOX 29's Sue Serio has the latest forecast and a look at the air quality in the area.

Over 100 million in eastern US warned of 'unhealthy' air as Canadian wildfire smoke spreads south, west

Over 100 million in eastern US warned of 'unhealthy' air as Canadian wildfire smoke spreads south, west

Choking smoke from wildfires burning in Canada continues to billow into the eastern U.S., where more than 100 million Americans will again experience "unhealthy" to even "hazardous" air quality levels.

Choking smoke from wildfires burning in Canada continues to billow into the eastern U.S., where more than 100 million Americans will again experience "unhealthy" to even "hazardous" air quality levels.

Smoky haze blanketing Philadelphia, northeast could last for days

Smoky haze blanketing Philadelphia, northeast could last for days

With weather systems expected to hardly budge, the smoky blanket billowing across the U.S. and Canada from wildfires in Quebec and Nova Scotia should persist into Thursday and possibly the weekend.

With weather systems expected to hardly budge, the smoky blanket billowing across the U.S. and Canada from wildfires in Quebec and Nova Scotia should persist into Thursday and possibly the weekend.

Code red issued in Philadelphia as smoke from Canada wildfires fills Delaware Valley skies

Code red issued in Philadelphia as smoke from Canada wildfires fills Delaware Valley skies

Intense Canadian wildfires are blanketing the northeastern U.S. in a dystopian haze, turning the air acrid, the sky yellowish gray and prompting warnings for vulnerable populations to stay inside.

Intense Canadian wildfires are blanketing the northeastern U.S. in a dystopian haze, turning the air acrid, the sky yellowish gray and prompting warnings for vulnerable populations to stay inside.

Hawaii's Kilauea volcano begins erupting again

Hawaii's Kilauea volcano begins erupting again

Hawaii’s Kilauea volcano started to erupt early Wednesday morning, according to an alert released by the Hawaiian Volcano Observatory.

Hawaii’s Kilauea volcano started to erupt early Wednesday morning, according to an alert released by the Hawaiian Volcano Observatory.

Quebec ordering more evacuations with dozens of wildfires in Canada still out of control

Quebec ordering more evacuations with dozens of wildfires in Canada still out of control

The intense Canadian wildfires are blanketing the northeastern U.S. and parts of Eastern Canada, turning the sky yellowish gray and prompting warnings for vulnerable populations to stay inside.

The intense Canadian wildfires are blanketing the northeastern U.S. and parts of Eastern Canada, turning the sky yellowish gray and prompting warnings for vulnerable populations to stay inside.

Canada wildfires lead to air-quality alerts in US – Here's how to stay safe

Canada wildfires lead to air-quality alerts in US – Here's how to stay safe

The tiny particles are small enough to get past airway defenses and cause breathing problems. Here's a closer look at what's happening and some precautions for dealing with the haze.

The tiny particles are small enough to get past airway defenses and cause breathing problems. Here's a closer look at what's happening and some precautions for dealing with the haze.

Why wildfire smoke is turning the moon red

Why wildfire smoke is turning the moon red

Air molecules from the smoke in Earth's atmosphere cause light to scatter out most of the blue light, leaving the remaining red light to create a red glow on the moon. More red moons are likely as smoky skies continue.

Air molecules from the smoke in Earth's atmosphere cause light to scatter out most of the blue light, leaving the remaining red light to create a red glow on the moon. More red moons are likely as smoky skies continue.

Saharan dust over Puerto Rico fueling potentially deadly heat with feels-like temps of 120 degrees possible

Saharan dust over Puerto Rico fueling potentially deadly heat with feels-like temps of 120 degrees possible

Dangerous and potentially deadly heat will plague the U.S. territory of Puerto Rico this week, thanks in part to plumes of Saharan dust that are blowing across the Atlantic Ocean from Africa.

Dangerous and potentially deadly heat will plague the U.S. territory of Puerto Rico this week, thanks in part to plumes of Saharan dust that are blowing across the Atlantic Ocean from Africa.

Haiti rocked by 4.9 magnitude earthquake leaving at least 4 dead, dozens injured

Haiti rocked by 4.9 magnitude earthquake leaving at least 4 dead, dozens injured

An earthquake with a preliminary magnitude of 4.9 struck southern Haiti early Tuesday, killing at least four people and injuring 36 others, authorities said.

An earthquake with a preliminary magnitude of 4.9 struck southern Haiti early Tuesday, killing at least four people and injuring 36 others, authorities said.

Philadelphia, New Jersey under 'critical' wildfire threat as unusual dry thunderstorm pattern looms

Philadelphia, New Jersey under 'critical' wildfire threat as unusual dry thunderstorm pattern looms

NOAA's Storm Prediction Center has issued a "critical" wildfire risk – a level 2 on its 3-rung scale for fire weather danger – for nearly 8 million people around the Philadelphia and southern New Jersey area. Fire Weather Warnings are also in effect for the region.

NOAA's Storm Prediction Center has issued a "critical" wildfire risk – a level 2 on its 3-rung scale for fire weather danger – for nearly 8 million people around the Philadelphia and southern New Jersey area. Fire Weather Warnings are also in effect for the region.