The report says, in November 2019 in Ulaanbaatar, average daily concentrations of the sulfur dioxide and nitrogen dioxide in the air were increased by 0.028 mg / m3 or 82.5 percent and 0.007 mg / m3 or 15.9 percent compared with the same period of previous year, respectively.

An average daily concentrations of the PM10 particles and PM2.5 particles in the air were decreased by 0.084 mg/ m3 or 41.0 percent and 0.048 mg/ m3 or 43.9 percent compared with the same period of previous year, respectively.

Moreover, according to the air quality measurement stations in Ulaanbaatar city, cases exceeded the acceptable level in air quality standard of air pollution concentration in Ulaanbaatar were the most in the 1st micro-district, West Crossroad, Khailaast, Bayankhoshuu areas.

The National Statistics Office of Mongolia