@article{10.1029/2021JD035440, author = {Balamurugan, Vigneshkumar and Chen, Jia and Qu, Zhen and Bi, Xiao and Gensheimer, Johannes and Shekhar, Ankit and Bhattacharjee, Shrutilipi and Keutsch, Frank N.}, title = {Tropospheric NO 2 and O 3 Response to COVID‐19 Lockdown Restrictions at the National and Urban Scales in Germany}, journal = {Journal of Geophysical Research: Atmospheres}, year = {2021}, volume = {126}, number = {19}, doi = {10.1029/2021jd035440}, }