Machine learning on the COVID-19 pandemic, human mobility and air quality: A review

MM Rahman, KC Paul, MA Hossain, GGMN Ali… - Ieee …, 2021 - ieeexplore.ieee.org
The ongoing COVID-19 global pandemic is touching every facet of human lives (eg, public
health, education, economy, transportation, and the environment). This novel pandemic and …

Positive effects of COVID-19 lockdown on air quality of industrial cities (Ankleshwar and Vapi) of Western India

R Nigam, K Pandya, AJ Luis, R Sengupta, M Kotha - Scientific reports, 2021 - nature.com
Abstract On January 30, 2020, India recorded its first COVID-19 positive case in Kerala,
which was followed by a nationwide lockdown extended in four different phases from 25th …

Observational evidence for the dual roles of BC in the megacity of eastern China: Enhanced O3 and decreased PM2. 5 pollution

H Wang, Y Ke, Y Tan, B Zhu, T Zhao, Y Yin - Chemosphere, 2023 - Elsevier
PM 2.5 pollution has been alleviated significantly since implementing the Clean Air Action in
China, whereas a concomitant increase in O 3 pollution has been observed. In the megacity …

The interaction between black carbon and planetary boundary layer in the Yangtze River Delta from 2015 to 2020: Why O3 didn't decline so significantly as PM2. 5

Y Tan, H Wang, B Zhu, T Zhao, S Shi, A Liu, D Liu… - Environmental …, 2022 - Elsevier
Abstract Since the Air Pollution Prevention and Control Action Plan (air clean plan) issued in
2013, air quality has been in continuous improvement. The second stage of air clean plan …

Chemistry of atmospheric fine particles during the COVID‐19 pandemic in a megacity of eastern China

L Liu, J Zhang, R Du, X Teng, R Hu… - Geophysical …, 2021 - Wiley Online Library
Air pollution in megacities represents one of the greatest environmental challenges. Our
observed results show that the dramatic NOx decrease (77%) led to significant O3 increases …

Metrological traceability of black carbon measurement based on optical methods and its challenges in China: A review

Y Liu, J Liu, C Yan, J Xiao, J Ye, L Guo, M Zheng - Atmospheric Research, 2023 - Elsevier
Black carbon aerosol has received much more attention as the most light-absorbing aerosol
in recent years. The accuracy, traceability and comparability of its optical measurements …

Spring Festival and COVID‐19 lockdown: disentangling PM sources in major Chinese cities

Q Dai, L Hou, B Liu, Y Zhang, C Song… - Geophysical …, 2021 - Wiley Online Library
Responding to the 2020 COVID‐19 outbreak, China imposed an unprecedented lockdown
producing reductions in air pollutant emissions. However, the lockdown driven air pollution …

Liquid-liquid phase separation reduces radiative absorption by aged black carbon aerosols

J Zhang, Y Wang, X Teng, L Liu, Y Xu, L Ren… - … Earth & Environment, 2022 - nature.com
Black carbon aerosols absorb radiation and their absorptive strength is influenced by
particle mixing structures and coating compositions. Liquid-liquid phase separation can …

Trans‐regional transport of haze particles from the North China Plain to Yangtze River Delta during winter

J Zhang, Q Yuan, L Liu, Y Wang… - Journal of …, 2021 - Wiley Online Library
According to atmospheric modeling and satellite observations, cold fronts can cause trans‐
regional transport (TRT) of haze particles from the North China Plain (NCP) to Yangtze River …

[HTML][HTML] Insights into the significant increase in ozone during COVID-19 in a typical urban city of China

K Zhang, Z Liu, X Zhang, Q Li, A Jensen… - Atmospheric …, 2022 - acp.copernicus.org
The outbreak of COVID-19 promoted strict restrictions to human activities in China, which led
to a dramatic decrease in most air pollutant concentrations (eg, PM 2.5, PM 10, NO x, SO 2 …