English
Related papers

Related papers: Multivariate spectral downscaling for PM2.5 specie…

200 papers

Dimension reduction is often the first step in statistical modeling or prediction of multivariate spatial data. However, most existing dimension reduction techniques do not account for the spatial correlation between observations and do not…

Methodology · Statistics 2025-05-27 Si Cheng , Magali N. Blanco , Timothy V. Larson , Lianne Sheppard , Adam Szpiro , Ali Shojaie

Timely alerts about hazardous air pollutants are crucial for public health. However, existing forecasting models often overlook key factors like baseline parameters and missing data, limiting their accuracy. This study introduces a hybrid…

Neural and Evolutionary Computing · Computer Science 2024-07-03 Parviz Ghafariasl , Masoomeh Zeinalnezhad , Amir Ahmadishokooh

The prevalence and mobility of smartphones make these a widely used tool for environmental health research. However, their potential for determining aggregated air quality index (AQI) based on PM2.5 concentration in specific locations…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Joyanta Jyoti Mondal , Md. Farhadul Islam , Raima Islam , Nowsin Kabir Rhidi , Sarfaraz Newaz , Meem Arafat Manab , A. B. M. Alim Al Islam , Jannatun Noor

Objectives: The primary purpose of this study is to analyze the relationship between the first occurrence of hospitalization for cardiovascular disease (CVD) and particulate matter less than 2.5 micrometre in diameter (PM2.5) exposure,…

Quantitative Methods · Quantitative Biology 2023-01-27 Eunjung Cho , Yeonggyeong Kang , Youngsang Cho

Analyzing air pollution data is challenging as there are various analysis focuses from different aspects: feature (what), space (where), and time (when). As in most geospatial analysis problems, besides high-dimensional features, the…

Machine Learning · Computer Science 2022-02-14 Yun-Hsin Kuo , Takanori Fujiwara , Charles C. -K. Chou , Chun-houh Chen , Kwan-Liu Ma

Urban air pollution poses significant risks to public health, environmental sustainability, and policy planning. Effective air quality management requires predictive tools that can integrate diverse datasets and communicate complex spatial…

Human-Computer Interaction · Computer Science 2025-10-27 Brij Bidhin Desai , Yukta Arvind Rajapur , Aswathi Mundayatt , Jaya Sreevalsan-Nair

Public transit is a critical component of urban mobility and equity, yet mobility and air-quality linkages are rarely operationalized in reproducible smart-city analytics workflows. This study develops a transparent, multi-source monitoring…

Physics and Society · Physics 2026-04-06 Sean Elliott , Sohini Roy

We develop new methodology to improve our understanding of the causal effects of multivariate air pollution exposures on public health. Typically, exposure to air pollution for an individual is measured at their home geographic region,…

Methodology · Statistics 2025-11-18 Heejun Shin , Danielle Braun , Kezia Irene , Michelle Audirac , Joseph Antonelli

Air pollution is a chronic problem in large cities worldwide and awareness is rising as the long-term health implications become clearer. Vehicular traffic has been identified as a major contributor to poor air quality. In a lot of cities…

The increasing air pollution poses an urgent global concern with far-reaching consequences, such as premature mortality and reduced crop yield, which significantly impact various aspects of our daily lives. Accurate and timely analysis of…

Machine Learning · Computer Science 2023-10-17 Jindong Han , Weijia Zhang , Hao Liu , Hui Xiong

The multivariate contaminated normal (MCN) distribution represents a simple heavy-tailed generalization of the multivariate normal (MN) distribution to model elliptical contoured scatters in the presence of mild outliers, referred to as…

Methodology · Statistics 2018-10-23 Antonio Punzo , Cristina Tortora

High levels of air pollution may seriously affect people's living environment and even endanger their lives. In order to reduce air pollution concentrations, and warn the public before the occurrence of hazardous air pollutants, it is…

Machine Learning · Computer Science 2019-06-03 Pei Du , Jianzhou Wang , Yan Hao , Tong Niu , Wendong Yang

Weather conditions significantly influence the formation and dispersion of pollution variations. Here we study networks of pollution as well as climate networks and find that pollutants may not only have an impact close to their source but…

Physics and Society · Physics 2025-09-09 Qiuyue Li , Daqing Li , Yossi Ashkenazy , Shlomo Havlin

Air pollution is the origination of particulate matter, chemicals, or biological substances that brings pain to either humans or other living creatures or instigates discomfort to the natural habitat and the airspace. Hence, air pollution…

Machine Learning · Computer Science 2023-06-14 Dhanalakshmi M , Radha V

A good knowledge of pollutant time series behavior is fundamental to elaborate strategies and construct tools to protect human health. In Caribbean area, air quality is frequently deteriorated by the transport of African dust. In the…

Atmospheric and Oceanic Physics · Physics 2023-11-22 T. Plocoste , R. Carmona-Cabezas , F. J. Jimenez-Hornero , E. Gutierrez de Rave , R. Calif

Cumulant mapping employs a statistical reconstruction of the whole by sampling its parts. The theory developed in this work formalises and extends ad hoc methods of `multi-fold' or `multi-dimensional' covariance mapping. Explicit formulae…

Data Analysis, Statistics and Probability · Physics 2023-11-06 Leszek J. Frasinski

Air pollution (e.g., PM2.5) has a negative effect on human health. Recently, the population-weighted annual mean PM2.5 concentration (PWAM) has been selected as an indicator 11.6.2 in Sustainable Development Goals (SDGs), for various…

Computers and Society · Computer Science 2022-08-31 Yuheng Zhang , Qi Zhou , Ke Chang

Air pollution remains a leading global health and environmental risk, particularly in regions vulnerable to episodic air pollution spikes due to wildfires, urban haze and dust storms. Accurate forecasting of particulate matter (PM)…

In air pollution studies, dispersion models provide estimates of concentration at grid level covering the entire spatial domain, and are then calibrated against measurements from monitoring stations. However, these different data sources…

Applications · Statistics 2020-08-17 Chiara Forlani , Samir Bhatt , Michela Cameletti , Elias Krainski , Marta Blangiardo

Remote sensing analysts continuously monitor the amount of pollutants in the atmosphere. They are usually performed via satellite images. However, these images suffer from low temporal and low spatial resolution. Therefore, observations…

Signal Processing · Electrical Eng. & Systems 2021-11-10 Nicholas Danesi , Mayank Jain , Yee Hui Lee , Soumyabrata Dev
‹ Prev 1 8 9 10 Next ›