American Lung Association says air pollution has dropped
The American Lung Association, using data from the U.S. Environmental
Protection Agency, says the number of counties with unhealthy levels of air
pollution fell from 441 last year to 390 this year.
The American Lung Association, using data from the U.S. Environmental Protection Agency, says the number of counties with unhealthy levels of air pollution fell from 441 last year to 390 this year. According to CNN, the association cites cool and wet weather as the cause for the pollution decline. CNN
Tags: