Which area of Baotou has the best air quality?

Baotou is a heavy industrial city. Kunqu opera is polluted by Baotou steel, and Qingshan is not much better than Kunqu opera. The East River is not well afforested and the air is not so good. Jiuyuan District is too big, with good air and serious pollution. Baiyun is a small industrial and mining factory, which does not pay attention to energy saving and emission reduction. Shek Guai is a coal mine with many coking plants, and Sarazzi is a coal transfer station, coking plant and so on. Do you have any good places? Today is May Day. Let's go to a place with good air.