- Article
Impact of Lockdowns on Air Pollution: Case Studies of Two Periods in 2022 in Guangzhou, China
- Xinlei Zhao,
- Xian-Xiang Li,
- Rui Xin,
- Yuejuan Zhang and
- Chun-Ho Liu
The photochemical mechanisms of ozone (O3) formation are complex, and simply reducing nitrogen oxide (NOx) emissions is insufficient to reduce O3 concentrations. The lockdown due to the Coronavirus Disease 2019 (COVID-19) pandemic provided a rare opp...

