On top of the fact that Wednesday is a messy, murky day weather-wise in the tri-state area, much of the region is also under an air quality alert due to elevated levels of fine particulate matter (PM ...
Clean air laws have led to a significant reduction in long-term exposure to fine particulate air pollution across much of the ...
In May 2024, the Environmental Protection Agency (EPA) lowered the primary annual National Ambient Air Quality Standards (NAAQS) for PM 2.5 [1] from 12.0 to 9.0 micrograms per cubic meter (μg/m 3). In ...
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