S
M
T
W
T
F
S
Percentage of Days with Good Air Quality
S
M
T
W
T
F
S
Note: The city-level air quality statistics are derived from daily average data published by the national environmental monitoring network. Days affected by dust storms have been partially excluded based on reference criteria for dust removal. These figures have not undergone official validation and are for reference only. For accurate statistics, please refer to official data released by the ecological and environmental authorities.