2021 Air Pollution Environmental Protection Ozone 
Union of Concerned Scientists
MAY 13, 2024
Since its inception, the report has effectively heightened the awareness of some hazardous air pollutants, and engaged the public, media, advocates, and policymakers in the ongoing fight against air pollution. The air quality for this report was calculated using data reviewed by EPA from 2020, 2021, and 2022.
Breezometer
OCTOBER 31, 2021
In the presence of heat and sunlight, chemical emissions from cars and factories react to form ozone (learn more here )., a harmful pollutant. As average temperatures rise, ozone levels accelerate. Repeated and excessive traffic pollution and poor air quality were determined to be linked to Ella's worsening asthma.
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Environmental News Bits
MARCH 6, 2023
A federal appeals court on Friday dismissed a lawsuit brought by a utility-supported organization that sought to overturn the Environmental Protection Agency’s revised 2021 Cross-State Air Pollution Update Rule for ozone.
PA Environment Daily
JUNE 4, 2021
On June 4, the Department of Environmental Protection issued a Code Orange Air Quality Action Day for ozone for Saturday, June 5 in the southwestern counties of Allegheny, Armstrong, Beaver, Butler, Fayette, Washington, and Westmoreland. Posted: June 4, 2021] PA Environment Digest
Union of Concerned Scientists
MARCH 23, 2023
GW record from 2021. But if plant owners actually do follow through on their retirement plans, there will be real, tangible public health and environmental benefits. NO x also contributes to the formation of ozone (or “smog”), another toxic pollutant. pollution, which are particles with diameters of 2.5
PA Environment Daily
JUNE 5, 2021
On June 5, the Department of Environmental Protection issued a Code Orange Air Quality Action Day for ozone for Sunday, June 6 in the Lehigh Valley, Southwest and Southeast PA and the Susquehanna Valley. Conditions will be favorable for ozone concentrations on Sunday to climb into the code ORANGE range.
PA Environment Daily
SEPTEMBER 29, 2021
On September 29, the Department of Environmental Protection announced $3 million in funding through the Driving PA Forward - Truck & Bus Fleet Grant Program (formerly the Class 8 Truck and Transit Bus Grant Program). The recommended projects will also reduce hydrocarbons, carbon monoxide, and carbon dioxide.
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