Which area in Dalian has the best air quality?

pulandian district. The air quality in Pulandian District is the best, and its emission index of supercritical pollutants is lower than the national first-class standard, and the air quality reaches the excellent level. Dalian, also known as Bincheng and romantic city, is a prefecture-level city, a sub-provincial city, a city with separate plans and a megacity under the jurisdiction of Liaoning Province, an important central city, a port and a scenic tourist city in the northern coastal area of China, and a central city in the coastal economic belt of Liaoning.