Airborne Particulate Matter Sensing via Laser Filament-Interaction and Deep Learning [0.03%]
基于激光丝空心通道与深度学习的颗粒物检测技术研究
James A Grant-Jacob,Ben Mills
James A Grant-Jacob
Airborne particulate matter, including mineral dust and biological aerosols, such as pollen, presents growing challenges to public health, agriculture, and environmental monitoring. Current technologies lack the capability to identify singl...
Toward Linking Indoor Commercial Source Emissions to Outdoor Volatile Organic Compounds Using Mobile Measurements [0.03%]
利用移动测量方法将室内商业源排放与室外挥发性有机化合物联系起来
Sri Hapsari Budisulistiorini,Thomas C Moore,Marvin D Shaw et al.
Sri Hapsari Budisulistiorini et al.
Assessing the impact of indoor volatile organic compound (VOC) sources on outdoor concentrations remains challenging due to their variability, rapid dispersion, and chemical reactions in the atmosphere. Mobile monitoring can address these c...
Multiphase Chemistry and Phase State Explain Nonlinear Effects in the Formation and Evaporation of SOA from Mixed Monoterpene Precursors [0.03%]
多元相化学和相态解释了混合单萜前体物形成二次有机气溶胶及其蒸发的非线性效应
Hyun Gu Kang,Masayuki Takeuchi,Nga L Ng et al.
Hyun Gu Kang et al.
A large fraction of airborne particulate matter consists of secondary organic aerosol (SOA), which can be highly viscous, leading to kinetic limitations in gas-particle partitioning and chemical reactivity. The underlying processes, however...
Application of a Chemical Index to Aerosol Mass Spectrometry: Delta Plots and Functional Group Distributions [0.03%]
化学指标在气溶胶质谱中的应用：Delta图和官能团分布
Rachel E O&#x;Brien,Manjula Canagaratna,Xu He et al.
Rachel E O&#x;Brien et al.
A better understanding of the chemical properties of organic aerosol (OA) particles will improve our ability to characterize their sources and predict their lifetime. The high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS)...
Air Quality Benefits and Disbenefits of Forests Under Future Environmental Stressors [0.03%]
未来环境压力下森林的空气质量利弊评估
Meredith G Lassiter,Rebecca M Dalton,Nicole E Olson et al.
Meredith G Lassiter et al.
Air quality in the U.S. has improved greatly in the past half century, due to environmental policies such as the Clean Air Act (CAA) focused on controlling anthropogenic point and mobile sources. As the contributions of anthropogenic source...
Factors Affecting Reduction of Infectious Aerosols by Far-UVC and Portable HEPA Air Cleaners [0.03%]
远UVC灯和便携式HEPA空气净化器减少感染性气溶胶的因素分析
Katherine M Ratliff,Lukas Oudejans,M Worth Calfee et al.
Katherine M Ratliff et al.
Technologies that can reduce concentrations of airborne microorganisms through either particle capture or inactivation are important tools for reducing the risk of disease transmission and improving overall indoor air quality. The effective...
Assessing above-ground fuel storage tank emissions using lower-cost sensor packages and triggered canister samples [0.03%]
利用低成本传感器包和触发罐样评估露天储油罐排放量
Wyatt M Champion,Megan K MacDonald,Brittany Thomas et al.
Wyatt M Champion et al.
Fuel tank terminals provide storage during refined petroleum transport. These sources emit volatile organic compounds (VOCs) that contribute to regional ground-level ozone formation and include some hazardous air pollutants (HAPs, estimated...
Assessing Indoor Versus Outdoor PM2.5 Concentrations During the 2025 Los Angeles Fires Using the PurpleAir Sensor Network [0.03%]
利用PurpleAir传感器网络评估2025年洛杉矶火灾期间的室内和室外PM2.5浓度
Yan Lu,Xinyi Zhang,Soroush Esmaeili Neyestani et al.
Yan Lu et al.
In January 2025, a series of fast-moving wildland-urban-interface (WUI) fires swept through the Los Angeles (LA) metropolitan area, causing severe air pollution. While the impacts of WUI fires on outdoor air quality have been extensively st...
Influence of Ventilation Rate and Indoor Air Mixing on Ozone-Human Skin Chemistry [0.03%]
通风率和室内外空气混合对臭氧与人体皮肤化学反应的影响
Tatjana Arnoldi-Meadows,Nijing Wang,Gabriel Bekö et al.
Tatjana Arnoldi-Meadows et al.
Human exposure to indoor air pollutants can be impacted both by the rate of outdoor air ventilation and by indoor air mixing driven by fans. To elucidate these effects, we monitored human chemical emissions in an occupied climate chamber, u...
Sienna R White,Rebecca A Sugrue,Léo Guillotte et al.
Sienna R White et al.
This study presents a new data set of hourly PM2.5 concentrations across California from 2018 to 2023 at a three-kilometer resolution. This data set was developed by assimilating observations from PurpleAir and the U.S. EPA Air Quality Syst...