April Ends With Three More Air Quality Exceedances in the Mon Valley
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Blog Against Smog
![April Ends With Three More Air Quality Exceedances in the Mon Valley](https://static.wixstatic.com/media/be24dd_2e4b26d239b6491eb699e6524080c82a~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_2e4b26d239b6491eb699e6524080c82a~mv2.webp)
![Allegheny Co. Health Dept. Issues Mon Valley Air Pollution Warning; Yet Another H2 Exceedance Noted](https://static.wixstatic.com/media/be24dd_39e363562a1c4f0b87c211d6ca143cfe~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_39e363562a1c4f0b87c211d6ca143cfe~mv2.webp)
- Apr 24, 2021
- 2 min
Allegheny Co. Health Dept. Issues Mon Valley Air Pollution Warning; Yet Another H2 Exceedance Noted
![“State of the Air” Report: Improvements Noted, But Pittsburgh-Area Air Quality Still Gets F Grade](https://static.wixstatic.com/media/be24dd_48ad4f988418498eb3262a3b16fdd0e7~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_48ad4f988418498eb3262a3b16fdd0e7~mv2.webp)
- Apr 21, 2021
- 3 min
“State of the Air” Report: Improvements Noted, But Pittsburgh-Area Air Quality Still Gets F Grade
![Another Weekend, Another H2S Air Quality Exceedance for Mon Valley](https://static.wixstatic.com/media/be24dd_4ad171cc7a4749b99e459b35c4fcbea4~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_4ad171cc7a4749b99e459b35c4fcbea4~mv2.webp)
- Apr 19, 2021
- 2 min
Another Weekend, Another H2S Air Quality Exceedance for Mon Valley
![Mon Valley Experiences Another H2S Exceedance Tuesday at Liberty Air Quality Monitor](https://static.wixstatic.com/media/be24dd_bf86a498111542999727512d9ff7f3a9~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_bf86a498111542999727512d9ff7f3a9~mv2.webp)
- Apr 14, 2021
- 1 min
Mon Valley Experiences Another H2S Exceedance Tuesday at Liberty Air Quality Monitor
![](https://static.wixstatic.com/media/be24dd_503f647473d541a5916038ddbc688500~mv2.jpg/v1/fill/w_250,h_250,fp_0.50_0.50,q_30,blur_30,enc_auto/be24dd_503f647473d541a5916038ddbc688500~mv2.webp)
![U.S. Steel: Prove Commitment to Community by Taking Voluntary Measures to Mitigate Air Pollution](https://static.wixstatic.com/media/be24dd_503f647473d541a5916038ddbc688500~mv2.jpg/v1/fill/w_453,h_340,fp_0.50_0.50,q_90,enc_auto/be24dd_503f647473d541a5916038ddbc688500~mv2.webp)
- Apr 13, 2021
- 3 min
U.S. Steel: Prove Commitment to Community by Taking Voluntary Measures to Mitigate Air Pollution
![Air Advisory Committee: Episodic Weather Regulation Ready to Go to Public Comment](https://static.wixstatic.com/media/be24dd_d7d3f1420f794cc1a392c749d73cf829~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_d7d3f1420f794cc1a392c749d73cf829~mv2.webp)
- Apr 13, 2021
- 2 min
Air Advisory Committee: Episodic Weather Regulation Ready to Go to Public Comment
![Allegheny County Health Department to Begin Sending Mon Valley Air Quality Alerts](https://static.wixstatic.com/media/be24dd_64ac4e314f164c4c83c5a6e2741acc8b~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_64ac4e314f164c4c83c5a6e2741acc8b~mv2.webp)
- Apr 9, 2021
- 2 min
Allegheny County Health Department to Begin Sending Mon Valley Air Quality Alerts
![UPDATED | Watchdog Report: Two More Air Quality Exceedances for Mon Valley](https://static.wixstatic.com/media/be24dd_bcaf4eab0fc64a08a97254c8dd12c552~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_bcaf4eab0fc64a08a97254c8dd12c552~mv2.webp)
- Apr 8, 2021
- 2 min
UPDATED | Watchdog Report: Two More Air Quality Exceedances for Mon Valley
![UPDATED: Yet Another H2S Exceedance & More Unhealthy Air for Mon Valley, ACHD Responds](https://static.wixstatic.com/media/be24dd_a049477e691b4ba6b385c94315572da1~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_a049477e691b4ba6b385c94315572da1~mv2.webp)
- Apr 7, 2021
- 2 min
UPDATED: Yet Another H2S Exceedance & More Unhealthy Air for Mon Valley, ACHD Responds
![UPDATED: Several More H2S Exceedances for Mon Valley as Poor Air Quality Lingers](https://static.wixstatic.com/media/be24dd_1c5f698c4b834d5b8a2da1e9089e2822~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_1c5f698c4b834d5b8a2da1e9089e2822~mv2.webp)
- Apr 5, 2021
- 2 min
UPDATED: Several More H2S Exceedances for Mon Valley as Poor Air Quality Lingers
![Health Department Issues Notice Of Violation to U.S. Steel Over Hydrogen-Sulfide Exceedances](https://static.wixstatic.com/media/be24dd_56ac6a09cb81476f9137fa30262d3003~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_56ac6a09cb81476f9137fa30262d3003~mv2.webp)
- Apr 1, 2021
- 1 min
Health Department Issues Notice Of Violation to U.S. Steel Over Hydrogen-Sulfide Exceedances
![#ICYMI: Mon Valley Tallies Two More Air Quality Exceedances This Past Weekend](https://static.wixstatic.com/media/be24dd_96cc8ab4b9644ddfb5383886c189ecb5~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_96cc8ab4b9644ddfb5383886c189ecb5~mv2.webp)
- Mar 29, 2021
- 1 min
#ICYMI: Mon Valley Tallies Two More Air Quality Exceedances This Past Weekend
![Yet Another Air Quality Exceedance in Mon Valley, as Area (Again) Experiences Worst AQI in Nation](https://static.wixstatic.com/media/be24dd_dcb6ff154ce0400289916bad54dfe557~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_dcb6ff154ce0400289916bad54dfe557~mv2.webp)
- Mar 25, 2021
- 1 min
Yet Another Air Quality Exceedance in Mon Valley, as Area (Again) Experiences Worst AQI in Nation
![ACTION ALERT | Tell Allegheny County Council: Air Quality Permit Fee Changes Desperately Needed](https://static.wixstatic.com/media/be24dd_0be1712781d9415e804e6778eaebc700~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_0be1712781d9415e804e6778eaebc700~mv2.webp)
- Mar 24, 2021
- 2 min
ACTION ALERT | Tell Allegheny County Council: Air Quality Permit Fee Changes Desperately Needed
![More Air Quality Violations at Clairton Coke Works Leads to $383K Demand for Stipulated Penalties](https://static.wixstatic.com/media/be24dd_bc873ee820b14689b2903679d69cf694~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_bc873ee820b14689b2903679d69cf694~mv2.webp)
- Mar 16, 2021
- 1 min
More Air Quality Violations at Clairton Coke Works Leads to $383K Demand for Stipulated Penalties
![](https://static.wixstatic.com/media/be24dd_79223cd0876e475fafe159a9729d620e~mv2.jpeg/v1/fill/w_250,h_250,fp_0.50_0.50,q_30,blur_30,enc_auto/be24dd_79223cd0876e475fafe159a9729d620e~mv2.webp)
![Residents Tell Allegheny Co. Health Dept: Put Our Health Above Industry Profits with Strong Permits](https://static.wixstatic.com/media/be24dd_79223cd0876e475fafe159a9729d620e~mv2.jpeg/v1/fill/w_453,h_340,fp_0.50_0.50,q_90,enc_auto/be24dd_79223cd0876e475fafe159a9729d620e~mv2.webp)
- Mar 15, 2021
- 3 min
Residents Tell Allegheny Co. Health Dept: Put Our Health Above Industry Profits with Strong Permits
![Thursday Marked Fourth Straight Day of Hydrogen Sulfide Exceedances in the Mon Valley](https://static.wixstatic.com/media/be24dd_4a8f8348e4d24b98bf388a3d6ef6f3a7~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_4a8f8348e4d24b98bf388a3d6ef6f3a7~mv2.webp)
- Mar 12, 2021
- 1 min
Thursday Marked Fourth Straight Day of Hydrogen Sulfide Exceedances in the Mon Valley
![Two Pittsburgh Contractors Fined More than $19K for Asbestos-Related Air Quality Violations, Enforce](https://static.wixstatic.com/media/be24dd_516bccc0ae61455daae34a0be5127103~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_516bccc0ae61455daae34a0be5127103~mv2.webp)
- Mar 11, 2021
- 2 min
Two Pittsburgh Contractors Fined More than $19K for Asbestos-Related Air Quality Violations, Enforce
![UPDATED: Mon Valley Experiences 2 More Air Quality Exceedances Wednesday – First of 2021 For PM2.5](https://static.wixstatic.com/media/be24dd_144e580c3f874857959d5e4ab860b3ff~mv2.png/v1/fill/w_453,h_340,fp_0.50_0.50,q_95,enc_auto/be24dd_144e580c3f874857959d5e4ab860b3ff~mv2.webp)
- Mar 11, 2021
- 3 min
UPDATED: Mon Valley Experiences 2 More Air Quality Exceedances Wednesday – First of 2021 For PM2.5