KDD CUP of Fresh Air
wget https://biendata.com/competition/meteorology/bj_grid/2018-03-30-0/2018-05-02-23/2k0d1d8 -O bj_meo_grid_new.csvwget https://biendata.com/competition/meteorology/ld_grid/2018-03-30-0/2018-05-02-23/2k0d1d8 -O ld_meo_grid_new.csv