GASP to ACHD: Revised Coke Oven Regs Must Better Protect Community from H2S, Other Air Pollutants
GASP joined residents and fellow clean air advocates at a public hearing in Clairton Wednesday night to tell the Allegheny County Health...
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Blog Against Smog
- Mar 15, 2022
Air Quality Exceedances Abound This Week at Allegheny County Health Department’s Liberty Monitor
The Allegheny County Health Department (ACHD) Tuesday morning issued a Mon Valley Air Pollution Warning for Tuesday and all of Wednesday....
- Mar 7, 2022
<UPDATED> No More Excuses for U.S. Steel: ACHD Finds Clairton Coke Works “Entirely” Responsibl
Editor’s Note: The Allegheny County Health Department today in a press release announced that it has fined U.S. Steel more than $1.8...
- Feb 17, 2022
Unhealthy Air, Stench Return as Mon Valley Sees 5th H2S Exceedance of Year, GASP Calls for Answers
Wednesday marked the fifth time so far this year that levels of hydrogen sulfide (AKA H2S, an air pollutant distinguished by its...
- Jan 13, 2022
Mon Valley Sees 2nd Exceedance of PA Hydrogen Sulfide Air Quality Standard of the Year Wednesday
It was the second such exceedance of the year at that air quality monitor, according to preliminary data. As a reminder, H2S...
- Dec 21, 2021
UPDATED: Today Will Mark 54th H2S Exceedance of 2021 at Liberty Monitor; Abysmal Air Quality Returns
Editor’s Note: This blog was updated at 10:35 a.m. Wednesday, Dec. 22, 2021, to include information on an exceedance that occurred at...
- Aug 23, 2021
Smoke & Flames at Edgar Thomson Plant, More H2S Exceedances Punctuate Need for Public Update
GASP’s resident smoke reader and longtime project manager Sue Seppi snapped into action, reviewing Breathe Cam footage of the facility,...
- Jun 21, 2021
Air Quality Exceedances Mounting, GASP Again Calls on ACHD to Update Public on Mon Valley Pollution
UPDATE: There was another hydrogen sulfide exceedance at Allegheny County Health Department’s air quality monitor in Liberty Borough...
- May 19, 2021
Liberty-Clairton Area Dealt More Unhealthy Air Quality, More H2S Exceedances
AQI soared into the red, unhealthy-for-everybody range this morning, peaking at 163. An air dispersion report issued Wednesday by the...
- May 17, 2021
Mon Valley Experiences Multi-Day Bad-Air Episode, Two More Air Quality Exceedances
It was a rough weekend of air quality for the Mon Valley, which experienced another days-long bad-air episode and two more air quality...
- Apr 24, 2021
Allegheny Co. Health Dept. Issues Mon Valley Air Pollution Warning; Yet Another H2 Exceedance Noted
Editor’s Note: This story was updated at 12:53 p.m. Saturday to include information about an H2S exceedance. Allegheny County Health...
- Mar 11, 2021
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...
- May 7, 2020
Watchdog Report: Another Hydrogen Sulfide Exceedance – 13th of the Year – Noted Thursday
If you live in the Liberty-Clairton area and were greeted by a foul odor when you opened your windows or walked outside, the culprit was...
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