Linfen (35°23?~36°57? Letter, 110°22?~112°34? E) is actually southwest Shanxi State, Asia, and has now a moderate continental environment (Profile 1). Because of the 2021, Linfen area incorporated step 1 civil section, fourteen state seating and 2 state-peak towns and cities, having a whole part of 20,302 square miles. Predicated on national air quality study away from released because of the Ministry of Ecology and you will Ecosystem off China, Linfen ranked past one of 169 trick metropolises within the China, it is therefore the city towards the terrible quality of air in Asia ( Linfen's really serious air pollution happens mainly regarding coal mining, car emissions and you can commercial pollution (23).