A new analysis of air quality from 15 of China’s largest cities shows that PM2.5 fell in all cities—except one. From Shenzhen to Xi’an, air pollution was down in 2018. Yet Zhengzhou, capital of Henan province, actually saw pollution rise 7%. With this increase, Zhengzhou now averages over …
Analyzing new air quality data, Smart Air found that Beijing’s PM2.5 dropped 14% in 2018 compared to the year before. Despite the improvement, Beijing still averages nearly five times the World Health Organization’s annual limit. Improvement Came Mostly from Winter Enforcement By breaking down the data month by month, analysis …
After analyzing Delhi’s air quality data from the US Embassy in 2018, Smart Air found that air pollution fell 5% in 2018 compared to 2017. Despite the slight improvement, Delhi still averaged more than 10 times the World Health Organization’s annual air quality limit, making it one of the most polluted cities …
