Stench Returns Despite Enforcement Efforts; GASP Again Calls on ACHD for Answers, Transparency
If you stepped outside this week in the Mon Valley, took a deep breath, and promptly asked yourself, “What is that STENCH?” we’ve...
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Nov 5, 20212 min read
Mon Valley Sees 55th H2S Exceedance, Liberty-Clairton Air Quality Again Worst in Nation Friday
For a time this morning, AirNow.gov showed the Liberty-Clairton area as having the worst NowCast Air Quality Index (AQI) in the nation...
Oct 27, 20212 min read
Liberty Air Quality Monitor Experiences Malfunction; GASP, ACHD Provide Answers
At GASP we review air quality data the Allegheny County Health Department (ACHD) publishes on a regular basis. Today we noticed...
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...
Mar 4, 20212 min read
Same Old Story: More Rotten (Egg) Air Quality, Exceedances, in the Mon Valley
Ambient air concentrations of hydrogen sulfide (H2S) exceeded Pennsylvania’s 24-hour standard in North Braddock and Liberty on Wednesday...
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