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. Author manuscript; available in PMC: 2023 Feb 22.
Published in final edited form as: Atmos Chem Phys. 2022 Feb 22;22(4):2399–2417. doi: 10.5194/acp-22-2399-2022

Figure 7.

Figure 7.

(a) Sunday-to-weekday TCNO2 ratios averaged over April–November 2018–2019 (pre-lockdown) and 2020 (post-lockdown) from TROPOMI and Pandora (PSI#135); (b) seasonal change in Sunday-to-weekday column ratios pre- and post-lockdown from Pandora (PSI#135).