Fig. 1
Comparison of the average air pollution levels between Shenyang (18–31 January 2013) and Beijing (10–17 January 2013) during 2013JHE4.
Fig. 1 | Scientific Reports
Comparison of the average air pollution levels between Shenyang (18–31 January 2013) and Beijing (10–17 January 2013) during 2013JHE4.
