Air quality in Western Pa. showed slight improvement in pandemic shutdown

As coronavirus restrictions closed businesses and reduced road traffic during much of March and April, some of the country's most polluted cities experienced better air quality.

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State of the Air report once again ranks Pittsburgh as one of the worst. What to do?

The recent emphasis on public health and respiratory diseases may have people paying more attention to unhealthy air.


Pittsburgh's air quality gets failing grade—again

Air quality is improving but American Lung Association report still ranks Allegheny County and tri-state region air among nation's worst.

Opinion: To protect people from COVID-19, halt unnecessary air pollution

People living in and near Pittsburgh are at greater risk in the COVID-19 pandemic because of the poor air quality.

Flickr/Mark Dixon

Pittsburgh's air was unsafe to breathe for 3 months in 2018

PITTSBURGH—The air in Pittsburgh was unsafe to breathe for three months in 2018, according to a new report from the PennEnvironment Research and Policy Center.

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DEP issues Code Orange air quality alert for Pittsburgh region

The Pennsylvania Department of Environmental Protection has issued a Code Orange air quality alert for much of southwestern Pennsylvania for Thursday.

Not good enough for whom? Pittsburgh is a place worth fighting for

Pittsburgh is cheap, but it stinks. Or so says Google engineer Dennis Towne, whose recent PublicSource essay laments the city's noxious pollution problem and urges tech workers to stay away.

New Allegheny County Council members want to improve air quality, but what power do they have?

According to the Allegheny County Law Department, the power to change air quality regulations belongs almost exclusively to the Health Department and Board of Health.

Dennis Towne: Why I tell my Google co-workers and industry peers to avoid Pittsburgh

Industrial air pollution is so rare in my experience that I literally didn't even think to look for it here. I wonder how many other people new to Pittsburgh are in the same boat.


Allegheny county elected officials call for crackdown on industrial pollution

More than 60 elected officials from Allegheny County signed an open letter calling for clean air in our region.

Investigation: Cracker plant will bring jobs, pollution

MONACA, PA —The massive ethane cracker plant in Beaver County is bringing thousands of jobs to Western Pennsylvania.
But Action News Investigates has learned it may also bring thousands of tons of air pollutants to a region that already has some of the nation's dirtiest air.

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Pittsburgh’s air quality continues to decline, new report finds

PITTSBURGH—For the second year in a row, Allegheny County, Pennsylvania, was the only U.S. county outside of California to receive all F's in the American Lung Association's national air quality report card.

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Scientists, activists equate air pollution to the opioid epidemic in plea to city council

Pollution is causing more deaths per year in Allegheny County than homicides and traffic crashes combined and is costing billions, according to Neil Donahue, a Carnegie Mellon University atmospheric chemistry expert, who spoke at Tuesday's special meeting.

Air quality monitor measuring SO2 emissions installed in West Mifflin

A new air quality monitor has been installed in West Mifflin, the Allegheny County Health Department announced Monday.

From our Newsroom

Organic diets quickly reduce the amount of glyphosate in people’s bodies

A new study found levels of the widespread herbicide and its breakdown products reduced, on average, more than 70 percent in both adults and children after just six days of eating organic.

Stranded whales and dolphins offer a snapshot of ocean contamination

"Many of the chemical profiles that we see in cetaceans are similar to the types of chemical profiles that we see in humans who live in those coastal areas."

Cutting forests and disturbing natural habitats increases our risk of wildlife diseases

A new study found that animals known to carry harmful diseases such as the novel coronavirus are more common in landscapes intensively used by people.

The President’s green comedy routine

A token, triumphal green moment for a president and party who just might need such a thing in an election year.

Cutting edge of science

An exclusive look at important research just over the horizon that promises to impact our health and the environment

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