Air Quality Index, or AQI, and PM2.5, particulate matter which measures 2.5 micrometers or less, are not the same thing. But both do refer to how polluted the air is, just in different ways. AQI, an ...
“Meeting the PM2.5 standard underscores all of the hard work that Utah has done over the past decade to improve air quality.
NEW DELHI: Delhi recorded its worst PM2.5 levels of the year on Diwali and the day after, with pollution continuing to blanket the city well into midweek, according to a new analysis by the Centre for ...
ZME Science on MSN
The EPA is About to Loosen Its PM2.5 Air Pollution Limits
The U.S. Environmental Protection Agency moved this week to reduce limits on fine particulate air pollution, including soot, set by the Biden administration last year. The administration gave up ...
When AQI crosses 400, fine particulate matter enters deep into the lungs, damages cilia, triggers inflammation and raises the ...
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