Estimation of PM10 and PM2.5 Using Backscatter Coefficient of Ceilometer and Machine Learning by Bu-Yo Kim, Joo Wan Cha, Yong Hee Lee

“…Abstract Air quality issues, including health and environmental challenges, have recently become more relevant in urban areas with large populations and active industries. Therefore, particulate matter (PM) estimation with high accuracy using various methods is required. …”
Get full text

Forecasting of Primary Air Pollutions: Emission Inventory Sample from Turkey by Filiz Dadaşer Çelik, Şükrü Taner Azgın

“…In this study, emissions of four primary pollutants, namely, particulate matter (PM), sulfur dioxide (SO2), nitrogen oxides (NOx), and carbon monoxide (CO) were estimate. …”
Get full text

Soil Phosphorus Dynamics of Wheat-Based Cropping Systems in the Semiarid Region of Argentina by Liliana Suñer, Juan Galantini, Gabriela Minoldo

“…The coarse fraction of the reference plots had significantly higher levels of Po and Pi than the cultivated treatments, probably a consequence of the particulate organic matter decomposition and coarse mineral particle weathering. …”
Get full text

Indoor Air Pollution of Outdoor Origin: Mitigation Using Portable Air Cleaners in Singapore Office Building by Zuraimi Sultan, Jiayu Li, Jovan Pantelic, Stefano Schiavon

“…Abstract Landscape fires in Indonesia and traffic pollution have been receiving increasing attention as sources of particulate matter (PM) in Singapore. Although mitigation measures to reduce PM levels using portable air cleaners (PACs) have been used in residential buildings, its application for office buildings is unknown. …”
Get full text

Effects of Payloads on Non-exhaust PM Emissions from A Hybrid Electric Vehicle during A Braking Sequence by Worawat Songkitti, Sutthiphong Sa-ard-iam, Chalermpol Plengsa-Ard, Ekathai Wirojaskunchai

“…Abstract Vehicles equipped with internal combustion engines are known as important sources of particulate matter (PM) emissions. Many countries are aware of this issue. …”
Get full text

Mitigation of the biosafety risks of sars-cov-2 at bsl-3 laboratories by Mustafa Sencer Karagül, Orbay Sayı, Mevlüt Demirbaş, Fahriye Saraç, Mustafa Hasöksüz

“…The system was established as an additional biosafety barrier before the discharge of laboratory exhaust air passing through high-efficiency particulate filters. The biosafety barriers provide a safer working environment by reducing the biological risk stemming from the laboratory work. …”
Get full text

Fatty Acids in Cnidaria: Distribution and Specific Functions by Vasily I. Svetashev

“…The composition of their fatty acids (FAs) depends on food (plankton and particulate organic matter), symbiotic photosynthetic dinoflagellates and bacteria, and de novo biosynthesis in host tissues. …”
Get full text

Issues with the Organic and Elemental Carbon Fractions in Recent U.S. Chemical Speciation Network Data by Philip K. Hopke, Yunle Chen, David Q. Rich, John G. Watson, Judith C. Chow

“…Abstract The carbon fractions of organic (OC1, OC2, OC3, OC4, OP) and elemental (EC1, EC2, and EC3) carbon obtained from IMPROVE (Interagency Monitoring of PROtected Visual Environments) thermal/optical carbon analysis of quartz-fiber filters have been implemented to help distinguish spark-ignition engine exhaust particulate matter (PM) contributions from those of heavy-duty diesel exhaust. …”
Get full text

Household Fuel Preference and Its Association with Breathing Difficulty among Rural Women in Jodhpur, Rajasthan: A Cross-sectional Study by Neeti Rustagi, Shaima Abdul Jabbar, R. Ranjitha, Arun Kumar Sharma, Suman Saurabh, Ankit Mittal

“…Objectives: The current study investigated the fuel preferences and its association with participants characteristics, particulate matter (PM2.5) levels and respiratory complaints. …”
Get full text

When do science recommendations stop being effective? The case of the sprawl of diesel electricity generators in Beirut. by Mohammad Al Hallak, Abdul Aziz Kurdieh, Amira Yassine, Rachel El Hage, Najat Saliba

“…Sampling took place and the PPAHs samples were extracted, quantified using Gas Chromatography-Mass spectrometry (GC-MS) and source apportioned using Positive Matrix Factorization (PMF). Particulate Matter 2.5μm (PM2.5) mean levels at AUB, BCD and NSMU, which was found to be 14.3 μg/m3, 18.3 μg/m3 and 22.6 μg/m3 respectively, beside the high annual PM2.5 mean level (17.19 μg/m3) exceeded the World Health Organization (WHO) standard levels. …”
Get full text

Theory and Practice of Burning Solid Biofuels in Low-Power Heating Devices by Małgorzata Dula, Artur Kraszkiewicz

“…The article presents issues related to the theory, characteristics of the combustion process and problems related to the formation of harmful chemical compounds nitrogen oxides (NO_x), SO_x, carbon monoxide (CO), particulate matter (PM) emitted to the atmosphere during the combustion process in low-power heating devices. …”
Get full text

Indoor Air Quality and Indoor Environmental Quality: The role of occupational health surveillance and the cooperation between public and occupational health stakeholders by Francesco Chirico, Gaetano Settimo, Nicola Magnavita

“…These pollutants, ranging from very volatile organic-VVOC, volatile-VOC, semi-volatile organic-SVOC compounds, particulate matter-PM10, PM2.5, and biological entities, necessitate extensive interdisciplinary research. …”
Get full text

A Re-Designed Efficient Charcoal Stove. by Mwesigwa, Lourdel

“…However, further studies including particulate matter(PM) and carbon emissions are recommended for future design improvements to suit general public safety and health standards. …”
Get full text

Global sensitivity analysis and uncertainty quantification for a mathematical model of dry anaerobic digestion in plug-flow reactors by Daniele Bernardo Panaro, Andrea Trucchia, Vincenzo Luongo, Maria Rosaria Mattei, Luigi Frunzo

“…The study showed that the net methane production is mostly sensitive to the values of the conversion parameter related to the particulate biodegradable volatile solids in acetic acid $ k_1 $ and to the kinetic parameter describing the acetic acid uptake $ k_2 $. …”
Get full text

Comparison of PM2.5 Chemical Compositions during Haze and Non-haze Days in a Heavy Industrial City in North China by Menghui Li, Liping Wu, Xiangyan Zhang, Xinwu Wang, Wenyu Bai, Jing Ming, Chunmei Geng, Wen Yang

“…Abstract This study aimed to determine the chemical composition, sources and contributing factors of airborne PM2.5 (particulate matter with an aerodynamic diameter ≤ 2.5 µm) during a haze episode in Zibo, a heavy industrial city in China. …”
Get full text

Impact of Mixed Sources on the Atmospheric Aerosols of Urbanized Areas in the Philippines by Preciosa Corazon B. Pabroa, Joseph Michael D. Racho, John Robin Yee, Lawrence Adrian Tacliad, Haron Deo Vargaz, Iara Chantrelle V. Coronel, Raymond J. Sugcang, Christian Mark G. Salvador

“…The variability of coarse and fine aerosols, black carbon (BC), and trace elements of particulate matter (PM) were analyzed between June 2017 and April 2019. …”
Get full text

The relationships between meteorological parameters and air pollutants in an urban environment by I. Kayes, S.A. Shahriar, K. Hasan, M. Akhter, M.M. Kabir, M.A. Salam

“…Regression analysis resulted that both the multiple non-linear and linear model performed similar for predicting concentrations of particulate matters but for gaseous pollutants both model performances were poor. …”
Get full text

Impacts of meteorology and emission reductions on haze pollution during the lockdown in the North China Plain by L. Liu, L. Liu, X. Long, Y. Li, Y. Li, Z. Zang, Z. Zang, F. Wang, Y. Han, Z. Bao, Y. Chen, T. Feng, J. Yang

“…Utilizing the WRF-Chem model, we explored how sharp emission reductions and varying meteorological conditions influenced fine-particulate-matter (PM<span class="inline-formula">_2.5</span>) concentrations across the NCP. …”
Get full text

Interventions used to reduce infectious aerosol concentrations in hospitals—a reviewResearch in context by Gráinne Brady, Fiona Bennin, Rosaline De Koning, Cecilia Vindrola-Padros, Sigrún Eyrúnardóttir Clark, Manish K. Tiwari, Simon Watt, Andrea Ducci, Ryo Torii, Danielle Morris, Elizabeth Lloyd-Dehler, Jerry Slann, Fiona Stevenson, Zarnie Khadjesari, Hakim-Moulay Dehbi, Lena Ciric, Ruth Epstein, John Rubin, Catherine F. Houlihan, Rachael Hunter, Laurence B. Lovat

“…The most common device or method that was outlined by researchers was high efficiency particulate air (HEPA) filters which were able to reduce aerosol concentrations under investigation across the included literature. …”
Get full text

The microbiome of Total Suspended Particles and its influence on the respiratory microbiome of healthy office workers by Giulia Solazzo, Sabrina Rovelli, Simona Iodice, Matthew Chung, Michael Frimpong, Valentina Bollati, Luca Ferrari, Elodie Ghedin

“…Air particulate matter (PM) is widely recognized for its potential to negatively affect human health, including changes in the upper respiratory microbiome. …”
Get full text