Figure 5
From: Characterization of ozone in the lower troposphere during the 2016 G20 conference in Hangzhou
Average VCD Maps of the satellite-derived tropospheric O3 during the (a) pre-G20 period (Aug. 15–25), (b) G20 period (Aug. 26-Sep. 6), (c) post-G20 period (Sep. 7–18), (d) P1 episode (Aug. 27–31), (e) P2 episode (Sep. 2–3) and (f) C1 episode (Sep. 5–6). This figure was generated using the IDL 8.2 software (http://www.esrichina.com.cn).
