Yahoo: How clean is the air in your city? In its annual 'State of the Air' report for 2016, the American Lung Association reports that despite the continued improvement in air quality, there are still over 166 million Americans at risk of averse health effects on account of unhealthy air throughout the country.
"Thanks to cleaner power plants and cleaner vehicles, we see a continued reduction of ozone and year-round particle pollution in the 2016 'State of the Air' report. However, climate change has...