Which area of Baotou has the best air quality?

Baotou is a heavy industry city. There is Baotou steel pollution in Kunming, and Qingshan is not much better than Kunming. The greening of Donghe River is not good, and the air is not good. Jiuyuan District is too big, with good air and serious pollution. Baiyun is full of small workers and mines, not to mention energy conservation and emission reduction. Shiguai is a coal mine, with many coking plants, and Salaqi is a coal transfer station. Do you have any good places? It's May Day, so let's go to places with good air.