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Fine particulate matter(PM2.5) pollution in China is strongly modulated bymeteorological variability, yet its seasonal predictability from oceanic signals remains unclear. Here we identify the leading PM2.5 variability mode over China and…

Atmospheric and Oceanic Physics · Physics 2026-05-26 Yuan Chen , Dan Zhao , Xu Li

Air pollution significantly threatens human health and ecosystems, necessitating effective air quality prediction to inform public policy. Traditional approaches are generally categorized into physics-based and data-driven models.…

Machine Learning · Computer Science 2025-04-16 Jindong Tian , Yuxuan Liang , Ronghui Xu , Peng Chen , Chenjuan Guo , Aoying Zhou , Lujia Pan , Zhongwen Rao , Bin Yang

Nitrogen dioxide (NO2) is one of the most important atmospheric pollutants. However, current ground-level NO2 concentration data are lack of either high-resolution coverage or full coverage national wide, due to the poor quality of source…

Atmospheric and Oceanic Physics · Physics 2022-07-20 Xinyu Dou , Cuijuan Liao , Hengqi Wang , Ying Huang , Ying Tu , Xiaomeng Huang , Yiran Peng , Biqing Zhu , Jianguang Tan , Zhu Deng , Nana Wu , Taochun Sun , Piyu Ke , Zhu Liu

Deep learning is a machine learning approach that produces excellent performance in various applications, including natural language processing, image identification, and forecasting. Deep learning network performance depends on the…

Machine Learning · Computer Science 2023-06-14 Andri Pranolo , Yingchi Mao , Aji Prasetya Wibawa , Agung Bella Putra Utama , Felix Andika Dwiyanto

Air pollution poses a significant threat to public health and well-being, particularly in urban areas. This study introduces a series of machine-learning models that integrate data from the Sentinel-5P satellite, meteorological conditions,…

Machine Learning · Computer Science 2024-05-31 Giacomo Blanco , Luca Barco , Lorenzo Innocenti , Claudio Rossi

Air pollution has long been a serious environmental health challenge, especially in metropolitan cities, where air pollutant concentrations are exacerbated by the street canyon effect and high building density. Whilst accurately monitoring…

Machine Learning · Computer Science 2021-03-29 Yang Han , Qi Zhang , Victor O. K. Li , Jacqueline C. K. Lam

Accurate assessment of atmospheric nitrogen dioxide (NO$_2$) and sulfur dioxide (SO$_2$) is essential for understanding climate-air quality interactions, supporting environmental policy, and protecting public health. Traditional monitoring…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Prasanjit Dey , Soumyabrata Dev , Bianca Schoen-Phelan

The design of fluid channel structures of reactors or separators of chemical processes is key to enhancing the mass transfer processes inside the devices. However, the systematic design of channel topological structures is difficult for…

Fluid Dynamics · Physics 2025-03-07 Chenhui Kou , Yuhui Yin , Min Zhu , Shengkun Jia , Yiqing Luo , Xigang Yuana , Lu Lu

Understanding the link between urban planning and commuting flows is crucial for guiding urban development and policymaking. This research, bridging computer science and urban studies, addresses the challenge of integrating these fields…

Machine Learning · Computer Science 2024-02-26 Yan Luo , Zhuoyue Wan , Yuzhong Chen , Gengchen Mai , Fu-lai Chung , Kent Larson

Environmental air quality affects people's life, obtaining real-time and accurate environmental air quality has a profound guiding significance for the development of social activities. At present, environmental air quality measurement…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Zhenyu Wang , Wei Zheng , Chunfeng Song

Air pollution is a major driver of climate change. Anthropogenic emissions from the burning of fossil fuels for transportation and power generation emit large amounts of problematic air pollutants, including Greenhouse Gases (GHGs). Despite…

Machine Learning · Computer Science 2021-09-01 Linus Scheibenreif , Michael Mommert , Damian Borth

Air quality is closely related to public health. Health issues such as cardiovascular diseases and respiratory diseases, may have connection with long exposure to highly polluted environment. Therefore, accurate air quality forecasts are…

Applications · Statistics 2019-12-17 Haolin Fei , Xiaofeng Wu , Chunbo Luo

Atmospheric nitrogen oxides (NOx) primarily from fuel combustion have recognized acute and chronic health and environmental effects. Machine learning (ML) methods have significantly enhanced our capacity to predict NOx concentrations at…

As a huge threat to the public health, China's air pollution has attracted extensive attention and continues to grow in tandem with the economy. Although the real-time air quality report can be utilized to update our knowledge on air…

Physics and Society · Physics 2019-02-13 Yue-Hua Dai , Wei-Xing Zhou

Air pollution, especially particulate matter 2.5 (PM2.5), is a pressing concern for public health and is difficult to estimate in developing countries (data-poor regions) due to a lack of ground sensors. Transfer learning models can be…

Machine Learning · Computer Science 2024-06-25 Shrey Gupta , Yongbee Park , Jianzhao Bi , Suyash Gupta , Andreas Züfle , Avani Wildani , Yang Liu

Fusing satellite observations and station measurements to estimate ground-level PM2.5 is promising for monitoring PM2.5 pollution. A geo-intelligent approach, which incorporates geographical correlation into an intelligent deep learning…

Atmospheric and Oceanic Physics · Physics 2018-01-31 Tongwen Li , Huanfeng Shen , Qiangqiang Yuan , Xuechen Zhang , Liangpei Zhang

The sustainability of urban environments is an increasingly relevant problem. Air pollution plays a key role in the degradation of the environment as well as the health of the citizens exposed to it. In this chapter we provide a review of…

Machine Learning · Computer Science 2022-01-03 Pablo Torres , Beril Sirmacek , Sergio Hoyas , Ricardo Vinuesa

Monitoring real-time air quality is essential for safeguarding public health and fostering social progress. However, the widespread deployment of air quality monitoring stations is constrained by their significant costs. To address this…

Machine Learning · Computer Science 2025-07-03 Qiongyan Wang , Yutong Xia , Siru ZHong , Weichuang Li , Yuankai Wu , Shifen Cheng , Junbo Zhang , Yu Zheng , Yuxuan Liang

Mobile robots require comprehensive scene understanding to operate effectively in diverse environments, enriched with contextual information such as layouts, objects, and their relationships. Although advances like neural radiation fields…

Robotics · Computer Science 2024-12-30 Jiawei Hou , Wenhao Guan , Longfei Liang , Jianfeng Feng , Xiangyang Xue , Taiping Zeng

Current operational air quality forecasts are computationally expensive, sensitive to errors in physics and emissions, and often neglect weather-related uncertainty. To address these limitations, we present AirFusion, a hybrid,…

Atmospheric and Oceanic Physics · Physics 2026-03-24 Ao Ding , Aoxing Zhang , Tzung-May Fu , Yuanlong Huang , Qianjie Chen , Yuyang Chen , Jiajia Mo , Wei Tao , Wai-Chi Cheng , Lei Zhu , Xin Yang , Guy Brasseur