The EPA announced last week the annual health-based national ambient air quality standard for fine particulate matter – sometimes referred to as PM2.5 or soot – will be tightened from the ...
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EPA announces new air quality standards for particulate matter, citing health risksby updating the national air-quality standards, citing negative health impacts of PM exposure. While the rule is being praised by environmental and health groups, some industry groups have ...
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The cities with the dirtiest air in America, according to data—and no, #1 isn't New York or San Franciscocreated National Ambient Air Quality standards. The two most relevant thresholds are 150 micrograms of pollutants per cubic meter of air over a 24-hour period for coarse particulate matter (PM10 ...
Think back to the red AQI forecast on your phone. What information was it trying to convey? The Air Quality Index (AQI) is a ...
Of course, in order to play its lifesaving role for people and the climate, the Clean Air Act must be enforced. The Center works hard to make sure its comprehensive pollution-control system is fully ...
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