Despite unprecedented alerts over dangerously high smog levels last month, authorities in Beijing say the city’s air quality actually improved last year over 2014. The average concentration of PM2.5, tiny particles that can be inhaled and lodge in the lungs, was 81 micrograms per cubic meter in 2015, Beijing’s municipal environmental protection bureau announced this week. That marks a 6 percent decrease from 2014, and a 10 percent drop from 2013. But as the Associated Press reports, Beijing’s average concentration…
Beijing"s air quality actually improved last year, authorities say
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