Wildfire smoke covers Pittsburgh and many parts of the Northeast | News | Pittsburgh | Pittsburgh City Paper

Wildfire smoke covers Pittsburgh and many parts of the Northeast

click to enlarge The sun seen through the hazy smoke over Pittsburgh - CP PHOTO: DARYA KHARABI
CP photo: Darya Kharabi
The sun seen through the hazy smoke over Pittsburgh
Starting on July 19, a grey haze enveloped Pittsburgh, leading to an eerie red sun throughout the afternoon and evening. On July 20, that haze continued to sit over Pittsburgh and has even spread to many parts of the Northeast U.S. According to meteorologists, the haze is wildfire smoke coming from the Western U.S. and Canada.

“The sky is hazy due to wildfire smoke from Canada,” tweeted the National Weather Service Pittsburgh account on July 19.
Fires in Canada aren’t the only reason for the smoke spreading thousands of miles over North America. According to a press release from weather media company AccuWeather, there were nearly 120 wildfires burning across the western U.S. as of July 19. At least 60 of those were considered to be large and uncontained, according to the U.S. Forest Service.

"Due to the fact that smoke particles are small and light, they can be transported hundreds if not a few thousand miles away from their source," says AccuWeather Meteorologist Alex DaSilva in a press release.


Correspondingly, the Pittsburgh area has been issued a Code Orange air quality alert for July 20. This means that the air quality is unhealthy for sensitive groups of people, including those with respiratory problems like asthma or emphysema, or the elderly. Usually, poor air quality in Pittsburgh is caused by temperature inversions that trap industrial pollutants near the surface. But the wildfires from far-flung areas are the main culprit this time around.

The Pennsylvania Department of Environmental Protection encourages people to avoid using fireplaces for wood stoves, or gas-powered lawn and garden equipment during air quality action days.

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