Explanipedia

Particle lung deposited surface area (LDSAal) size distributions in different urban environments and geographical regions: Towards understanding of the PM2.5 dose–response Open

Teemu Lepistö, Henna Lintusaari, Anna Oudin, Luis Barreira, Jarkko V. Niemi , et al. · 2023

Recent studies indicate that monitoring only fine particulate matter (PM_2.5) may not be enough to understand and tackle the health risk caused by particulate pollution. Health effects per unit PM_2.5 seem to increase i…

Compound climate-pollution extremes in Santiago de Chile Open

Sarah Féron, Raúl R. Cordero, Alessandro Damiani, Pedro Oyola, Tabish Ansari , et al. · 2023

Calibration of SO2 and NO2 Electrochemical Sensors via a Training and Testing Method in an Industrial Coastal Environment Open

Sofía Ahumada, Matías Tagle, Yeanice Vásquez, Rodrigo Donoso, Jenny Lindén , et al. · 2022

Low-cost sensors can provide inaccurate data as temperature and humidity affect sensor accuracy. Therefore, calibration and data correction are essential to obtain reliable measurements. This article presents a training and testing method …

Editorial: Rise of Low-Cost Sensors and Citizen Science in Air Quality Studies Open

Pedro Oyola, Samara Carbone, Hilkka Timonen, Mehdi Amouei Torkmahalleh, Jenny Lindén · 2022

EDITORIAL article Front. Environ. Sci., 24 March 2022Sec. Environmental Informatics and Remote Sensing https://doi.org/10.3389/fenvs.2022.868543

TUBE Project: Transport-Derived Ultrafines and the Brain Effects Open

Maria‐Viola Martikainen, Päivi Aakko-Saksa, Lenie van den Broek, Flemming R. Cassee, Roxana O. Carare , et al. · 2021

The adverse effects of air pollutants on the respiratory and cardiovascular systems are unquestionable. However, in recent years, indications of effects beyond these organ systems have become more evident. Traffic-related air pollution has…

Influence of Particle Composition and Size on the Accuracy of Low Cost PM Sensors: Findings From Field Campaigns Open

E. Gramsch, Pedro Oyola, Felipe Reyes, Y. Vásquez, M. Rubio , et al. · 2021

In the last decade, many low-cost monitoring sensors and sensor-networks have been used as an alternative air quality assessment method. It is also well known that these low cost monitors have calibration, accuracy and long term variation …

Trends in particle matter and its elemental composition in Santiago de Chile, 2011 – 2018 Open

E. Gramsch, Pedro Oyola, Felipe Reyes, Francisca Rojas, Andres R. Henriquez , et al. · 2021

Daily fine (PM_2.5) and coarse (PM_10-2.5) particle matter (PM) samples collected at Parque O’Higgins station in downtown Santiago de Chile have been studied to find the trends in concentration from 1998 to 2018. Elemen…

Impact of Biomass Burning on Air Quality in Temuco City, Chile Open

Felipe Reyes, Sofía Ahumada, Francisca Rojas, Pedro Oyola, Yeanice Vásquez , et al. · 2021

Residential wood burning emits a complex mixture of particulate and gaseous compounds. In this article we show an in-depth chemical characterization of particulate matter evidencing the impact of biomass burning on the urban air quality in…

Global Air Quality and COVID-19 Pandemic: Do We Breathe Cleaner Air? Open

Mehdi Amouei Torkmahalleh, Zarina Akhmetvaliyeva, Ali Darvishi Omran, Faezeh Faezeh Darvish Omran, Mohadeseh Kazemitabar , et al. · 2021

The global spread of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has challenged most countries worldwide. It was quickly recognized that reduced activities (lockdowns) during the Coronavirus Disease of 2019 (COVID-19) pand…

Field performance of a low-cost sensor in the monitoring of particulate matter in Santiago, Chile Open

Matías Tagle, Francisca Rojas, Felipe Reyes, Yeanice Vásquez, Fredrik Hallgren , et al. · 2020

Model-simulated Source Contributions to PM2.5 in Santiago and the Central Region of Chile Open

Joakim Langner, Lars Gidhagen, R. W. Bergstrom, E. Gramsch, Pedro Oyola , et al. · 2020

Relationship between UV Energy and Formation of Secondary Particles in Santiago de Chile Open

E. Gramsch, Cristian Soto, Pedro Oyola, Felipe Reyes, Yeanice Vásquez , et al. · 2020

Despite reduction efforts, the concentration of PM25 (particulate matter ≤ 2.5 µm in diameter) has remained steady or even grown slightly in Santiago, Chile, over the last few years. However, this potential increase may be due to the forma…

Photooxidation of Emissions from Firewood and Pellet Combustion Using a Photochemical Chamber Open

Felipe Reyes, Yeanice Vásquez, E. Gramsch, Pedro Oyola, Bernhard Rappenglück , et al. · 2019

The main emission source in Central and Southern Chilean cities is biomass combustion from residential heating and cooking due to old combustion technologies that are still widely utilized. In order to improve our understanding of biomass …

Secondary particles formed from the exhaust of vehicles using ethanol-gasoline blends increase the production of pulmonary and cardiac reactive oxygen species and induce pulmonary inflammation Open

Talita Dias da Silva, Viviani Barnabé, Ana Laura Ricci‐Vitor, Vasileios Papapostolou, Matías Tagle , et al. · 2019

Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S) Open

Juan A. Alfonso, Raúl R. Cordero, Penny M. Rowe, Steven Neshyba, Gino Casassa , et al. · 2019

Sources and Characteristics of Particulate Matter at Five Locations in an Underground Mine Open

Sanna Saarikoski, Laura Salo, Matthew Bloss, Jenni Alanen, Kimmo Teinilä , et al. · 2019

The sources Sources and characteristics of particulate matter (PM) were determined in a modern underground chrome mine in Finland. Measurements were conducted at five locations in the mine: the maintenance area, blasting area, ore pit dump…

Characterization of submicron aerosol chemical composition and sources in the coastal area of Central Chile Open

Sanna Saarikoski, Felipe Reyes, Yeanice Vázquez, Matías Tagle, Hilkka Timonen , et al. · 2018

Chemical characteristics and the sources of submicron particles (<1 mu m in diameter) were investigated in Valle Alegre, the coastal area of Central Chile. The chemical composition of particles was studied by using a Soot particle Aerosol …

Monitoring and modeling of household air quality related to use of different Cookfuels in Paraguay Open

Matías Tagle, Ajay Pillarisetti, María Teresa Hernández, Karin Troncoso, Agnes Soares da Silva , et al. · 2018

In Paraguay, 49% of the population depends on biomass (wood and charcoal) for cooking. Residential biomass burning is a major source of fine particulate matter (PM_2.5 ) and carbon monoxide (CO) in and around the household enviro…

Spatiotemporal Variation in Composition of Submicron Particles in Santiago Metropolitan Region, Chile Open

Matías Tagle, Felipe Reyes, Yeanice Vásquez, Samara Carbone, Sanna Saarikoski , et al. · 2018

The chemical composition of submicron particles (aerodynamic diameter Da < 1.0 μm) was investigated at three locations in the Santiago Metropolitan Region (SMR), Chile. Measurements campaigns were conducted in winter and spring 2016, at re…

Particulate matter characteristics, dynamics, and sources in an underground mine Open

Sanna Saarikoski, Kimmo Teinilä, Hilkka Timonen, Minna Aurela, T. Laaksovirta , et al. · 2017

Particulate matter (PM) from mining operations, engines, and ore processing may have adverse effects on health and well-being of workers and population living nearby. In this study, the characteristics of PM in an underground chrome mine w…

Prevalence of Freshly Generated Particles during Pollution Episodes in Santiago de Chile Open

E. Gramsch, Felipe Reyes, Yeanice Va ́squez, Pedro Oyola, Mari ́a A. Rubio · 2016

A winter campaign was carried out in Santiago de Chile the year 2012 in two urban sites that can be considered representative for most of the city in order to characterize formation of primary and secondary PM1.0 during episodes. One site …

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