<UPDATED> Allegheny County Air Quality Program Approves 10 Mon Valley Episode Rule Plans, Reje
Editor’s Note: The Allegheny County Health Department approved all six of the resubmitted plans on April 1, 2022. You can read more about...
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Feb 2, 20222 min read
Allegheny County Health Department Tells U.S. Steel, Others that Mitigation Plans "Unacceptable"
The Allegheny County Health Department (ACHD) has notified U.S. Steel and other major source polluters that emissions mitigation plans...
Jan 24, 20222 min read
2022's 4th Exceedance of PA’s H2S Air Quality Standard Noted in Mon Valley; Still No Word from ACHD
Sadly, if you live in the Mon Valley, this likely isn’t news: Air quality was terrible early Saturday, with AirNow.gov showing...
Jan 20, 20222 min read
Rotten Egg Odor Returns Wednesday as Mon Valley Experiences 3rd 2022 Exceedance of PA’s Hydrogen Sul
This was one of the complaints filed with CMU’s SmellPGh app Wednesday. Wednesday marked the third time so far this year that...
Jan 13, 20222 min read
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 13, 20221 min read
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...
Jan 10, 20223 min read
Hearing Officer Issues Split Decision on Coke Oven Dispute Between the Allegheny County Health Depar
Remember back in September when famously litigious U.S. Steel asked an Allegheny County Health Department hearing officer to put the...
Jan 6, 20222 min read
U.S. Steel Issued Civil Penalty for Air Quality Violation Stemming from Clairton Coke Works Equipmen
Editor’s Note: This story was updated on Jan. 6 to correct an error regarding the volume of air pollutants emitted during the five-hour...
Jan 5, 20221 min read
Tuesday Marked First Hydrogen Sulfide Exceedance of the Year for Allegheny County
Well, that didn’t take long: The first exceedance of Pennsylvania’s 24-hour average hydrogen sulfide (H2S) standard is already in the...
Dec 30, 20213 min read
Allegheny County Health Department Takes Enforcement Action Related to Asbestos Abatement
The Allegheny County Health Department (ACHD) periodically updates its website with recent Air Quality Program enforcement actions. That...
Dec 21, 20212 min read
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...
Dec 14, 20212 min read
UPDATED: Unhealthy Air Quality Returns to Mon Valley as Allegheny County Experiences 51st H2S Exceed
Editor’s Note: This story was updated at 1-:17 a.m. Dec. 17 to include information and updated chart to reflect an H2S exceedance that...
Nov 30, 20214 min read
It’s Giving Tuesday: Here’s 7 Reasons to Give to GASP Today
After all these years with you fighting the good air quality fight, the difficult truth remains: Environmental advocacy is largely a...
Nov 29, 20211 min read
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...
Nov 29, 20213 min read
TOMORROW: Give to GASP this Giving Tuesday to Keep Up Momentum in Fight for Clean Air for ALL Allegh
Serious questions: When’s the last time you woke up in the wee hours of the morning choked by an industrial odor seeping in through your...
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 5, 20213 min read
UPDATED: GASP Lauds Enforcement Order, $62K Civil Penalty Against Neville Chemical But Calls on ACHD
The Allegheny County Health Department (ACHD) on Tuesday issued an enforcement order to Neville Chemical Company for violating numerous...
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...
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