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Articles by Xavier Querol
A two-stage modeling approach to estimate indoor NO 2 exposure: a Barcelona case study
Abstract Indoor air pollution is a major contributor to personal exposure to air pollution, yet accurately modeling indoor concentrations remains a major challenge in epidemiological studies. This issue is especially relevant since we spend a great portion of our time indoors. To develop a two-stage model to estimate indoor nitrogen dioxide (NO2) concentrations. The study was conducted in the Barcelona Life Study Cohort (2018–2021), a cohort of pregnant individuals in Barcelona, Spain.
Investigadores del CSIC detectan un aumento de polvo en suspensión que afecta casi la mitad del año a Canarias
Un estudio en el que participa el Instituto de Diagnóstico Ambiental y Estudios del Agua (IDAEA-CSIC) ha revelado que los episodios de polvo del desierto en suspensión siguen en aumento, entre un 10% y un 25%, con una concentración media de 5,3 microgramos por metro cúbico (µg/m³) en el sur de Europa y durante días concretos, “más del doble que en el centro y norte del continente”, afectando a casi la mitad del año al archipiélago canario.
Rising dust pollution across Europe in a changing climate
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Abstract Mineral desert dust is a major contributor to total atmospheric particulate matter1. Desert dust outbreaks degrade air quality and can pose adverse health effects2, including asthma exacerbation3 and increased mortality4. At some European locations, there has been a rise in the intensity and frequency of transported dust outbreaks from deserts in recent decades5,6,7,8,9.
By Petros Vasilakos, Abhishek Upadhyay, Manousos I. Manousakas, Andres Alastuey, James Allan, Célia Alves, Benjamin Bergmans, Benjamin T. Brem, Sonia Castillo, Theodoros Christoudias, Cristina Colombi, Sébastien Conil, Katja Dzepina, Anja Eichler, Konstantinos Eleftheriadis, Olivier Favez, Michael Flynn, Kristina Glojek, Stuart K. Grange, David Green, Christoph Hueglin, Jean-Luc Jaffrezo, Theo M. Jenk, Jianhui Jiang, Ekaterina Krymova, Franco Lucarelli, Dario Massabò, Nikolaos Mihalopoulos, Robin L Modini, Claudia Mohr, Attilio Naccarato, Petra Pokorna, Paolo Prati, Nicole Probst-Hensch, André S. H. Prévôt, Xavier Querol, Cristina Reche, Jesús D. de la Rosa, Mark Scerri, Jean Sciare, Michael Sigl, Anja H Tremper, Rita Traversi, Daniel Trejo Banos, Maria Tsagkaraki, Gaëlle Uzu, Roberta Vecchi, Kees de Hoogh, Imad El-Haddad, Kaspar R. Daellenbach
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Nature
Verified
Retos actuales y futuros en la calidad del aire de España
La crisis del 2008-2014 supuso un parón en muchas políticas ambientales de la UE, entre ellas las relacionadas con la calidad del aire, primera causa ambiental de impactos sobre la salud según la Organización Mundial de la Salud (OMS).
Constraining the intensive absorption properties of ambient organic aerosol particles based on pan-European observations
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Abstract Organic aerosol particles (OA) can absorb solar radiation with varying efficiencies depending on their chemical composition and physical properties. This light-absorbing fraction of OA, commonly referred to as brown carbon (BrC), is difficult to accurately represent in climate models due to the inherent diversity of its optical properties.
By Jordi Rovira, Gang Chen, Martin Gysel-Beer, Minna Aurela, John Backman, Benjamin T. Brem, Kaspar R. Daellenbach, Joel de Brito, Evangelia Diapouli, Konstantinos Eleftheriadis, Mikael Ehn, Olivier Favez, Maria Gini, Roy M. Harrison, Liine M. Heikkinen, Christoph Hueglin, Antti Hyvärinen, Hannes Keernik, Eleni T Liakakou, Chunshui Lin, Marek Maasikmets, Hanna E. Manninen, Manousos Ioannis Manousakas, Nicolas Marchand, Nikos Mihalopoulos, María Cruz Minguillón, Jarkko Niemi, Jurgita Ovadnevaite, Noemi Ann Perez, Noemí Pérez, Jean-Eudes Petit, Stephen Platt, Petra Pokorna, André S. H. Prévôt, Véronique Riffault, Martin Rigler, Matteo Rinaldi, Erik Teinemaa, Hilkka Timonen, Anna Tobler, Jeni Vasilescu, Olga Zografou, Andres Alastuey, Tuukka Petäjä, Xavier Querol, Marco Pandolfi, Jesús Yus-Díez, Sujai Banerji, Anna Canals-Angerri, Benjamin Chazeau, Harald Flentje, Konstantinos Granakis, Radek Lhotka, Krista Luoma, Saliou Mbengue, Doina Nicolae, Jaroslav Schwarz, Iasonas Stavroulas, Kimmo Teinilä, Stergios Vratolis, Karl Espen Yttri
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Nature
Verified
Analysis of the abundance and impacts of volatile organic compounds across Europe
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Abstract Urban volatile organic compounds (VOCs) are key precursors of tropospheric ozone and secondary organic aerosols (SOA), yet their long-term dynamics and health implications remain unclear across Europe. Here, we synthesize two decades of VOC observations (2002–2023) from 21 urban monitoring sites in six countries to assess emission trends, oxidation potentials, and human exposure risks.
By Xiansheng Liu, Minghan Wang, Taicheng An, xun zhang, Tao Wang, Rosa Lara, Ana Maria Yáñez-Serrano, Roger Seco, Paul Petit, Audrey Chevalier, Yann Fortier, Alexia Baudic, Grégory Gille, Ludovic Lanzi, Valérie Gros, Jean-Eudes Petit, Heidi Hellén, Stefan Reimann, Michelle Muller, David C. Beddows, Siqi Hou, Zongbo Shi, Roy M. Harrison, William Bloss, James Dernie, Alastair Lewis, Jim Hopkins, Xiaoli Duan, Philip K. Hopke, Andres Alastuey, Xavier Querol, Thérèse Salameh, Marta Monge, Marvin Dufresne, Marie Gohy, Marie-Pierre Vagnot, Véronique Ghersi, Leïla Simon, Zoé Le Bras, Stéphane Sauvage
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Nature
Verified
Oxidative potential of atmospheric particles in Europe and exposure scenarios - Nature
A global observational analysis to understand changes in air quality during exceptionally low anthropogenic emission conditions
Article Dans Une Revue Environment International Année : 2021 A global observational analysis to understand changes in air quality during exceptionally low anthropogenic emission conditions Mots clés COVID-19 OzoneParticulate matter Nitrogen dioxide Sulphur dioxide Carbon monoxide Fichier principal 1-s2.0-S0160412021004438-main.pdf (14.14 Mo) Télécharger le fichier Origine : Fichiers éditeurs autorisés sur une archive ouverte Licence : CC BY NC ND - Paternité - Pas d'utilisation commerciale -...
Synthesis of a SiO2/Co(OH)2 Nanocomposite Catalyst for SOX/NOX Oxidation in Flue Gas
This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticle by Alon Khabra 1, Haim Cohen 1, Gad A.
Mejorar la calidad del aire que respiramos
En contaminación atmosférica hay tres grandes problemas que están evolucionando de manera muy diferente; a saber: el cambio climático, la calidad del aire en los interiores y la calidad del aire urbano. En cuanto al primero, vamos hacia un calentamiento de, como mínimo, 2,7 °C en 2100, cuando el Acuerdo de París pedía no superar los 1,5 °C (anticipaba que, si no se podía, se recomendaba no sobrepasar los 2 °C).
Óxidos de nitrógeno y tráfico
La Directiva europea de calidad del aire obliga desde enero de 2010 a no sobrepasar los dos valores límite de óxidos de nitrógeno (NO2) para la protección a la salud. El anual (no superar como media una cierta concentración fija del mismo contaminante), y el horario (no superar 18 horas al a?o otra concentración del contaminante). El primero nos protege de una exposición prolongada al contaminante, mientras que el segundo lo hace de los episodios de contaminación agudos.
Respiratory effects of vehicle exhaust ultrafine particles versus secondary ultrafine particles in ambient air
AbstractBackground and aim: Vehicle exhaust is the main emission source in urban areas, mainly releasing ultrafine particles (<0.1µm, UFP) with impact in particle number concentration (N) in ambient air. Evidence of UFP health effects is inconsistent. New particles are the result of direct emissions and formation of secondary UFP from gaseous precursors.
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