How is the air quality in Beijing now?

air quality continues to improve and pollutant concentration continues to decrease.

1. Continuous improvement of air quality: In 222, the number of days with excellent air quality in Beijing was 286, and the rate of excellent air quality in the whole year was nearly 8%, reaching the national second-class standard for two consecutive years.

2. The concentration of pollutants continues to decrease: the average annual concentration of fine particles in the atmospheric environment is 3 μ g/m3, and the concentrations of inhalable particles, nitrogen dioxide and sulfur dioxide have decreased by 31.3%, 29%, 4.4%, 41.7% and 5.8% respectively compared with the same period in 2.