On July 20, the Clean Air Board and the Clean Air Council submitted joint comments to DEP on its 2026 Air Monitoring Network Plan. The comments noted that there were no DEP monitoring stations located downwind of new data centers and requested DEP include in its plans measures to monitor for pollutants, including PM2.5, NO2, VOCs, and HAPs from these hyperscale data centers, Read the full comments.
PurpleAir monitors measurements this morning.
The Department of Environmental Protection is issuing a STATEWIDE CODE PURPLE Air Quality Alert (AQA) for Friday for fine particulate matter (PM2.5). Wildfire smoke continues to impact Pennsylvania from Ontario, Canada and Minnesota, significantly deteriorating the air quality across Commonwealth. The flow continues from the northwest.
| Friday, Jul 17: | 205 AQI | Very Unhealthy |  | Particle Pollution (2.5 microns) |
| 85 AQI | Moderate |  | Ozone |
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Thomas Au2026-04-30 20:08:062026-05-07 21:16:06CAB will host community forum on data centers on May 21
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Thomas Au2026-02-16 19:00:082026-02-16 19:00:13PA DEP has declared an Air Quality Action Day for Susquehanna Valley Area, PA on Feb 17
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Thomas Au2026-02-09 22:36:392026-02-09 22:36:46PA DEP declares Code Orange alert for Tuesday, Feb. 10
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Thomas Au2025-11-11 09:34:552025-11-11 09:34:57Exposure to air pollution worsens Alzheimer’s disease, Penn research finds
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Thomas Au2025-09-18 16:00:082025-09-18 16:02:18See where wildfire smoke is getting worse in the U.S.
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Thomas Au2025-09-09 11:10:152025-09-09 11:10:19Air pollution can drive devastating forms of dementia, research suggestAmerican Lung Association State of the Air Report
https://www.lung.org/our-initiatives/healthy-air/sota/
Group Against Smog and Pollution
https://gasp-pgh.org/
Clean Air Council
https://cleanair.org/
