2 More H2S Exceedances for Mon Valley, Still No Word from ACHD on What’s Being Done to Stem Issue
That makes 48 days so far this year that H2S levels exceeded the air quality standard at the Liberty monitor. There have been 17 other...
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Oct 20, 20211 min read
UPDATED: Rotten Egg Stench Persists in Mon Valley as Liberty Experiences More Air Quality Exceedance
Editor’s Note: This story was updated at 11:05 a.m. on 10/20 to include information on today’s H2S exceedances and again at 11:35 a.m....
Oct 19, 20211 min read
More Rotten Egg Stench in Mon Valley as Braddock Monitor Experiences 13th Hydrogen Sulfide Exceedanc
In fact, concentrations of H2S were so high Tuesday that by 8 a.m. it was mathematically impossible for them *not* to exceed...
Oct 14, 20211 min read
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...
Oct 4, 20212 min read
Mon Valley Stench Returns, GASP Again Calls on ACHD for Public Update
CreateLab’s SmellPGH app received a smattering of odor reports Saturday from local residents, one of whom said the outside air smelled...
Aug 23, 20212 min read
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,...
Aug 5, 20212 min read
Public Comment Period for Allegheny County Health Department’s Annual Air Monitoring Plan Closes Mon
Time is running out to submit public comments on Allegheny County Health Department’s 2022 air monitoring network plan, an annual report...
Jul 6, 20212 min read
County Sees More Air Quality Exceedances Monday, Tuesday Designated as Code Orange Air Quality Actio
Air quality stayed mostly in the unhealthy range Monday, with concentrations of fine particle pollution exceeding the federal...
Apr 7, 20212 min read
UPDATED: Yet Another H2S Exceedance & More Unhealthy Air for Mon Valley, ACHD Responds
This story was updated at 10:32 a.m. Wednesday to include a statement issued by the Allegheny County Health Department. Another day,...
Dec 28, 20201 min read
Allegheny County Tallied Two More Air Quality Exceedances Last Week
Allegheny County experienced two more air quality exceedances last week when the midnight-to-midnight 24-hour average concentration of...
Nov 18, 20205 min read
About That Rotten Egg Odor Plaguing Your Neighborhood, What Causes It & How U.S. Steel Can Help
Editor’s Note: This blog was updated at 6:47 p.m. Nov. 19 to clarify the health impacts related to hydrogen sulfide. For many in the Mon...
Nov 11, 20201 min read
Watchdog Report: Tuesday Marked Seventh Day in a Row for Hydrogen Sulfide Exceedances in Allegheny C
For the seventh straight day, Allegheny County on Tuesday tallied another air quality exceedance – the 24-hour concentration of hydrogen...
Nov 10, 20202 min read
Allegheny County Health Department Responds to Extended Bout of Bad Air Quality, Again Blames the We
Here at GASP, we’re all about giving credit where credit is due. To that end, we thank the Allegheny County Health Department (ACHD) for...
Nov 10, 20203 min read
Steps You Can Take to Minimize Impacts of Poor Air Quality as We Wait for ACHD, Industry Action
In air quality warnings issued by the state Department of Environmental Protection (DEP) and Allegheny County Health Department (ACHD)...
Nov 9, 20203 min read
Health Department Warns Stagnant Conditions to Continue Through Tuesday Morning, Increased Air Pollu
Awful air quality is expected to persist through Tuesday morning in Allegheny County, with health department officials warning of...
Nov 7, 20202 min read
UPDATED: Mon Valley Experiences More Air Quality Exceedances, ACHD Says Conditions to Persist Throug
Editor’s Note: This story was updated at 4:10 p.m. on Saturday, Nov. 7 to reflect updated air quality data and table. Levels of hydrogen...
Oct 7, 20202 min read
ACHD Air Pollution Advisory Committee: Board of Health Should Approve Coke Oven Reg Revisions to Pub
After a lengthy and sometimes contentious back-and-forth discussion, the Allegheny County Health Department’s Air Advisory Committee on...
Sep 3, 20203 min read
Allegheny County Board of Health Greenlights $340K Air Toxics Study, Additional H2S Monitoring
The Allegheny County Board of Health on Wednesday approved several Clean Air Fund requests, including a $340,544 proposal for a...
Aug 10, 20201 min read
Allegheny County Experiences Two Air Quality Exceedances Aug. 9; Air Quality Action Day Again Declar
Click image to enlarge the chart. This past weekend of warm and muggy weather was punctuated by two air quality exceedances, according to...
May 28, 20202 min read
Special Report: How COVID-19 Impacted Allegheny County Air Quality
Stay-at-home orders issued by local and state governments this spring have led to more people working and taking classes from home, which...
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