More resident physicians responded that air pollution levels are strongly associated with disease severity after vs. before the educational presentation (59% vs. 26%). Similarly, when asked to ...

Despite decades of progress, the air quality in the United States has started to decline over the past few years, according to data in the Environmental Protection Agency's 2024 "Our Nation’s ...

Fine particulate matter air pollution, or tiny particles measuring less than 2.5 micrometers in diameter—30 times thinner than a human hair—reached levels over 16 times the safe limit.