GIS

 

  a), b), and c) a merged layer and a clipped of Taiwan area     d). Air pollution data for Oct & Nov, 2012, air pollution level referred to Worldwide EPA List (https://aqicn.org/sources/)     e). Air pollution difference from Oct to Nov, 2012 f). Taidong District and Northen area of Taiwan are more recommended to stay. The air quality in the northern part of the region is always better than in the southern part, which makes it more livable, and there is also Taidong district, where the air quality has improved dramatically since November, 2012.