Tracking Air Pollution in China: Near Real-Time PM2.5 Retrievals from Multisource Data Fusion

G Geng, Q Xiao, S Liu, X Liu, J Cheng… - Environmental …, 2021 - ACS Publications
Air pollution has altered the Earth's radiation balance, disturbed the ecosystem, and
increased human morbidity and mortality. Accordingly, a full-coverage high-resolution air …

[HTML][HTML] Spatiotemporal continuous estimates of daily 1 km PM from 2000 to present under the Tracking Air Pollution in China (TAP) framework

Q Xiao, G Geng, S Liu, J Liu, X Meng… - … Chemistry and Physics, 2022 - acp.copernicus.org
High spatial resolution PM 2.5 data covering a long time period are urgently needed to
support population exposure assessment and refined air quality management. In this study …

A CatBoost approach with wavelet decomposition to improve satellite-derived high-resolution PM2. 5 estimates in Beijing-Tianjin-Hebei

Y Ding, Z Chen, W Lu, X Wang - Atmospheric Environment, 2021 - Elsevier
High-resolution data of fine particulate matters (PM 2.5) are of great interest for air pollution
prevention and control. However, due to the uneven spatial distribution of ground stations …

Tracking Daily Concentrations of PM2.5 Chemical Composition in China since 2000

S Liu, G Geng, Q Xiao, Y Zheng, X Liu… - Environmental …, 2022 - ACS Publications
PM2. 5 chemical components play significant roles in the climate, air quality, and public
health, and the roles vary due to their different physicochemical properties. Obtaining …

[HTML][HTML] Spatiotemporal continuous estimates of PM2. 5 concentrations in China, 2000–2016: A machine learning method with inputs from satellites, chemical …

T Xue, Y Zheng, D Tong, B Zheng, X Li, T Zhu… - Environment …, 2019 - Elsevier
Ambient exposure to fine particulate matter (PM 2.5) is known to harm public health in
China. Satellite remote sensing measurements of aerosol optical depth (AOD) were …

Retrieving hourly seamless PM2. 5 concentration across China with physically informed spatiotemporal connection

Y Ding, S Li, J Xing, X Li, X Ma, G Song, M Teng… - Remote Sensing of …, 2024 - Elsevier
Seamless hourly surface fine particulate matters (PM 2.5) datasets are urgently needed for
environmental and epidemiologic studies. Most existing models rely on satellite AOD with …

Reconstructing 1-km-resolution high-quality PM2. 5 data records from 2000 to 2018 in China: spatiotemporal variations and policy implications

J Wei, Z Li, A Lyapustin, L Sun, Y Peng, W Xue… - Remote Sensing of …, 2021 - Elsevier
Exposure to fine particulate matter (PM 2.5) can significantly harm human health and
increase the risk of death. Satellite remote sensing allows for generating spatially …

Evaluation of gap-filling approaches in satellite-based daily PM2. 5 prediction models

Q Xiao, G Geng, J Cheng, F Liang, R Li, X Meng… - Atmospheric …, 2021 - Elsevier
Approximately half of satellite aerosol retrievals are missing that limits the application of
satellite data in PM 2.5 pollution monitoring. To obtain spatiotemporally continuous PM 2.5 …

Estimating PM2. 5 concentrations in Northeastern China with full spatiotemporal coverage, 2005–2016

X Meng, C Liu, L Zhang, W Wang, J Stowell… - Remote sensing of …, 2021 - Elsevier
Predicting long-term spatiotemporal characteristics of fine particulate matter (PM 2.5) is
important in China to understand historical levels of PM 2.5, to support health effects …

An Ensemble Machine-Learning Model To Predict Historical PM2.5 Concentrations in China from Satellite Data

Q Xiao, HH Chang, G Geng, Y Liu - Environmental science & …, 2018 - ACS Publications
The long satellite aerosol data record enables assessments of historical PM2. 5 level in
regions where routine PM2. 5 monitoring began only recently. However, most previous …