Figure 4

Mean NO2 concentration, change in workplace mobility and NOx emission in 2020 and 2019 standardized with respect to the first week of January 2020 (6 January–12 January, 2020) over Delhi.

Mean NO2 concentration, change in workplace mobility and NOx emission in 2020 and 2019 standardized with respect to the first week of January 2020 (6 January–12 January, 2020) over Delhi.