Act Now or Forever Hold Your Breath: Tell the EPA to Adopt Stronger PM2.5 Standards
The U.S. Environmental Protection Agency (EPA) in January recommended strengthening the National Ambient Air Quality Standard (NAAQS) for...
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Nov 10, 20215 min read
Allegheny County PM2.5 Levels Below Federal Standard but the Future is Still Hazy
The EPA in September announced that the agency intends to make a Clean Data Determination regarding levels of PM2.5 in the county.
Mar 11, 20213 min read
UPDATED: Mon Valley Experiences 2 More Air Quality Exceedances Wednesday – First of 2021 For PM2.5
The values in red are indicative of exceedances of the state H2S standard of 0.005 ppm. Editor’s Note: This story was updated at 1:46...
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