2015 Xining air quality of the northwest five provinces and regions

According to the environmental protection authority statistics, in 2015, 74 key cities in the country, the Xining air quality, air quality index in the northwest of the province of five was the first two". Annual air quality excellent rate of 77.5%.

in 2015, air quality monitoring, Xining City air pollution remediation measures effective. Throughout the year, Xining City air quality monitoring total effective monitoring of 365 days, up to the number of days of 283 days, good rate was 77.5%. Compared with the same period last year, ambient air PM10 concentration decreased by 11.7%, PM2.5 concentration decreased by 22.2%.