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 ...
PHILADELPHIA (CBS) -- Air Quality Index (AQI) refers to the Environmental Protection Agency's scale regarding the health impact of air quality and pollution in the U.S., regulated under the Clear Air ...
An air quality alert is in effect Wednesday for the second day for New York City and parts of the northern suburbs.
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