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....
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Blog Against Smog
- 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...
- Mar 2, 2022
GASP to Allegheny County Board of Health: Leverage Your Authority & Demand More From ACHD
The Allegheny County Board of Health meeting’s public comment period Wednesday was dominated by residents who expressed their concern...
- Feb 22, 2022
<UPDATED> More H2S Exceedances at Liberty, Mon Valley Residents Report Stench
Editor’s Note: This blog was updated at 10:35 a.m. Feb. 23 to include an updated H2S chart. Users of CMU CreateLab’s crowd-sourcing app...
- Jan 13, 2022
Allegheny County Health Department Releases 2020 Air Quality Report
Allegheny County Health Department (ACHD) in December 2021 provided its yearly analysis and summary of air quality monitoring data,...
- Jan 6, 2022
GASP, Fellow Activists & Residents Tell Board of Health: You’re Not Taking This Seriously
Longtime Clairton resident Art Thomas didn’t mince words Wednesday when he spoke before the Allegheny County Board of Health, telling...
- Nov 5, 2021
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 25, 2021
UPDATED: Mon Valley Experiences Another Air Quality Exceedance, GASP Asks Allegheny Co. Health Dept.
By 9 a.m. Monday, concentrations of hydrogen sulfide (H2S) were so high at Allegheny County Health Department’s air quality monitor in...
- Oct 14, 2021
Mon Valley Experiences More Malodors, Liberty Monitor Again Exceeds PA Air Quality Standard
So, did you smell it yesterday – that all-too-familiar stench of rotten eggs? Because Wednesday marked the 37th day in 2021 that hydrogen...
- Jun 29, 2021
More Air Quality Exceedances for Mon Valley, Allegheny County on Pace to Exceed 2017 H2S Numbers
That makes 29 exceedances of the H2S standard in the past six months at Allegheny County Health Department’s air quality monitor in...
- 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...
- Apr 19, 2021
Another Weekend, Another H2S Air Quality Exceedance for Mon Valley
The average concentration yesterday was 0.006 ppm, according to preliminary health department data. The state 24-hour standard is 0.005...
- Apr 14, 2021
Mon Valley Experiences Another H2S Exceedance Tuesday at Liberty Air Quality Monitor
The average concentration yesterday was 0.006 ppm, according to preliminary health department data. The state 24-hour standard is 0.005...
- Mar 4, 2021
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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