hydrogen sulfide

Blog Against Smog

GASP Joins U.S. Rep. Summer Lee, Officials & Advocates to Laud Air Quality Monitoring Investments

GASP was honored to join U.S. Rep. Summer Lee and fellow environmental and public health advocates for a press conference to celebrate...

Health Department Launches H2S Dashboard Following Recent Calls from GASP to Ramp Up Transparency

Allegheny County Health Department on Tuesday announced it has launched a new dashboard dedicated to tracking hydrogen sulfide - a move...

Rotten Egg Stench & Poor Air Quality Return to Mon Valley

Local residents took to CMU CREATE Lab’s Smell PGH app Monday morning to sound off about poor air quality and its associated stench,...

GASP to Board of Health: Time to Review & Adjust Mon Valley Episode Rule, Take Action on H2S is NOW

GASP joined residents and fellow advocates Wednesday to tell the Allegheny County Board of Health that October’s abysmal air quality is...

How Bad has Air Quality Been? H2S Was Below PA Standard For Only 3 Hours This Week

GASP crunched the numbers and can tell you definitively that in the Mon Valley (and downwind of it) the stench has been UNRELENTING this...

Mon Valley Air Pollution Exceeded National Health Standard Tuesday, Stench Continues While ACHD Mum

UPDATE: Stench and elevated concentrations of H2S persisted Thursday at the Liberty air quality monitor. Another exceedance of...

UPDATE: PA’s 1-Hr H2S Standard Exceeded in Mon Valley for 1st Time Since ‘15; GASP Demands Answers

Editor's Note Update #2: The Allegheny County Health Department issued a follow-up public alert regarding hydrogen sulfide levels at the...