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...
top of page
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 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...
- 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...
- 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...
- Jan 5, 2022
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...
- Nov 29, 2021
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 22, 2021
GASP Joins Partners in Response to Bombshell Media Reports About U.S. Steel’s Mon Valley Maintenance
Breathe Project in responding to bombshell media reports published in Allegheny Front and Public Source Friday analyzing court documents...
- Nov 18, 2021
Abysmal Air Quality Returns to Mon Valley as Three More H2S Exceedances Noted
The likely culprit? Another day with sky-high concentrations of hydrogen sulfide (called H2S for short, an air pollutant known by its...
- Nov 8, 2021
<UPDATED> Abysmal Air Quality Continues in the Mon Valley
For the third day in a row, hydrogen sulfide (H2S) levels were so high Tuesday that an exceedance of Pennsylvania’s 24-hour average was...
- 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 27, 2021
Liberty Air Quality Monitor Experiences Malfunction; GASP, ACHD Provide Answers
At GASP we review air quality data the Allegheny County Health Department (ACHD) publishes on a regular basis. Today we noticed...
- 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...
- Jun 7, 2021
More Unhealthy Air Quality, Exceedances Pervade Mon Valley – Update on H2S Problem Needed
The colorless gas is most commonly recognized by its “rotten egg” odor and concentrations exceeded the Pennsylvania 24-hour average...
- 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...
- 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...
- Mar 12, 2021
Thursday Marked Fourth Straight Day of Hydrogen Sulfide Exceedances in the Mon Valley
The values in red denote exceedances of PA’s 24-hour H2S standard of 0.005 ppm. Thursday marked the fourth straight day of air quality...
- Jan 27, 2021
Allegheny County Health Department: Federal Air Quality Standards Attained at All Monitors for 1st T
Allegheny County Health Department (ACHD) announced in a press release Tuesday that, for the first time in its history, all air quality...
- May 28, 2020
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...
bottom of page