(Photo provided to China Daily)
Air quality in the Beijing-Tianjin-Hebei region improved in the first four months of 2018 compared with the same period last year, the Ministry of Ecology and Environment said.
The good air days accounted for an average of 59.1 percent of total days in the 13 cities in the region, up 2.2 percentage points year-on-year, ministry statistics showed. It also showed that Beijing saw the ratio of good air quality days increase by 3.9 percentage points to 64.7 percent in the period, with PM 2.5 and PM 10 density down 22.4 percent and 9.9 percent, respectively.
