Spatiotemporal variations and reduction of air pollutants during the COVID-19 pandemic in a megacity of Yangtze River Delta in China
Q Yuan, B Qi, D Hu, J Wang, J Zhang, H Yang… - Science of the Total …, 2021 - Elsevier
In recent decades, air pollution has become an important environmental problem in the
megacities of eastern China. How to control air pollution in megacities is still a challenging …
megacities of eastern China. How to control air pollution in megacities is still a challenging …
[HTML][HTML] Field evaluation of low-cost PM sensors (Purple Air PA-II) under variable urban air quality conditions, in Greece
I Stavroulas, G Grivas, P Michalopoulos, E Liakakou… - Atmosphere, 2020 - mdpi.com
Recent advances in particle sensor technologies have led to an increased development and
utilization of low-cost, compact, particulate matter (PM) monitors. These devices can be …
utilization of low-cost, compact, particulate matter (PM) monitors. These devices can be …
Characteristics and sources of volatile organic compounds (VOCs) in Shanghai during summer: Implications of regional transport
Y Liu, H Wang, S Jing, Y Gao, Y Peng, S Lou… - Atmospheric …, 2019 - Elsevier
Intensive field measurements were carried out in urban Shanghai between 20 th and 30 th
of May 2017, and the VOC characteristics and sources were investigated with a focus on the …
of May 2017, and the VOC characteristics and sources were investigated with a focus on the …
[HTML][HTML] Real-time measurement and source apportionment of elements in Delhi's atmosphere
Delhi, the capital of India, suffers from heavy local emissions as well as regional transport of
air pollutants, resulting in severe aerosol loadings. To determine the sources of these …
air pollutants, resulting in severe aerosol loadings. To determine the sources of these …
[HTML][HTML] Equal abundance of summertime natural and wintertime anthropogenic Arctic organic aerosols
Aerosols play an important yet uncertain role in modulating the radiation balance of the
sensitive Arctic atmosphere. Organic aerosol is one of the most abundant, yet least …
sensitive Arctic atmosphere. Organic aerosol is one of the most abundant, yet least …
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 …
observed results show that the dramatic NOx decrease (77%) led to significant O3 increases …
[HTML][HTML] Impact of air pollution control measures and regional transport on carbonaceous aerosols in fine particulate matter in urban Beijing, China: insights gained …
D Ji, W Gao, W Maenhaut, J He, Z Wang… - Atmospheric …, 2019 - acp.copernicus.org
As major chemical components of airborne fine particulate matter (PM 2.5), organic carbon
(OC) and elemental carbon (EC) have vital impacts on air quality, climate change, and …
(OC) and elemental carbon (EC) have vital impacts on air quality, climate change, and …
Efficient heterogeneous formation of ammonium nitrate on the saline mineral particle surface in the atmosphere of East Asia during dust storm periods
C Wu, S Zhang, G Wang, S Lv, D Li, L Liu… - … science & technology, 2020 - ACS Publications
To understand the chemical evolution of dust in the current East Asian atmosphere, the
chemistry of PM2. 5 and size-resolved aerosols in Shanghai, China, during the 2019 dust …
chemistry of PM2. 5 and size-resolved aerosols in Shanghai, China, during the 2019 dust …
Seasonal light absorption properties of water-soluble brown carbon in atmospheric fine particles in Nanjing, China
Recently atmospheric brown carbon (BrC) is recognized as an important contributor to light
absorption and positive climate forcing. In this work, daily fine particulate matter (PM 2.5) …
absorption and positive climate forcing. In this work, daily fine particulate matter (PM 2.5) …
[HTML][HTML] Insight into PM2.5 Sources by Applying Positive Matrix Factorization (PMF) at an Urban and Rural Site of Beijing
This study presents the source apportionment of PM 2.5 performed by PMF on data collected
at an urban (Institute of Atmospheric Physics–IAP) and a rural site (Pinggu-PG) in Beijing as …
at an urban (Institute of Atmospheric Physics–IAP) and a rural site (Pinggu-PG) in Beijing as …