US Air Quality Slipping After Years of Improvement

Posted on June 18, 2019 2:24 pm
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URL https://www.voanews.com/usa/us-air-quality-slipping-after-years-improvement 

After decades of improvement, America’s air may not be getting any cleaner.

Over the last two years the nation had more polluted air days than just a few years earlier, federal data shows. While it remains unclear whether this is the beginning of a trend, health experts say it’s troubling to see air quality progress stagnate.

There were 15% more days with unhealthy air in America both last year and the year before than there were on average from 2013 through 2016, the four years when America had its fewest number of those days since at least 1980.

President Donald Trump has repeatedly

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