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https://www.readbyqxmd.com/read/29787974/using-big-data-from-air-quality-monitors-to-evaluate-indoor-pm-2-5-exposure-in-buildings-case-study-in-beijing
#1
JinXing Zuo, Wei Ji, YuJie Ben, Muhammad Azher Hassan, WenHong Fan, Liam Bates, ZhaoMin Dong
Due to time- and expense- consuming of conventional indoor PM2.5 (particulate matter with aerodynamic diameter of less than 2.5 μm) sampling, the sample size in previous studies was generally small, which leaded to high heterogeneity in indoor PM2.5 exposure assessment. Based on 4403 indoor air monitors in Beijing, this study evaluated indoor PM2.5 exposure from 15th March 2016 to 14th March 2017. Indoor PM2.5 concentration in Beijing was estimated to be 38.6 ± 18.4 μg/m3 . Specifically, the concentration in non-heating season was 34...
May 19, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29778082/a-review-of-the-impacts-of-tobacco-heating-system-on-indoor-air-quality-versus-conventional-pollution-sources
#2
REVIEW
Violeta Kaunelienė, Marija Meišutovič-Akhtarieva, Dainius Martuzevičius
With the introduction of novel and potentially less polluting nicotine containing products to the market, the impacts of their usage to indoor air quality as opposed to conventional pollution sources must be reviewed and considered. This review study aimed to comparatively analyse changes in indoor air quality as the consequence of tobacco heating system (THS) generated pollution against general indoor air quality in various micro-environments, especially with combustion-based pollution sources present. Indoor concentrations of formaldehyde, acetaldehyde, benzene, toluene, nicotine and PM2...
May 8, 2018: Chemosphere
https://www.readbyqxmd.com/read/29754094/active-green-wall-plant-health-tolerance-to-diesel-smoke-exposure
#3
Naomi J Paull, Peter J Irga, Fraser R Torpy
Poor air quality is an emerging world-wide problem, with most urban air pollutants arising from vehicular emissions. As such, localized high pollution environments, such as traffic tunnels pose a significant health risk. Phytoremediation, including the use of active (ventilated) green walls or botanical biofilters, is gaining recognition as a potentially effective method for air pollution control. Research to date has tested the capacity of these systems to remove low levels of pollutants from indoor environments...
May 10, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29737507/-indoor-air-pollution-current-fields-of-action
#4
REVIEW
Wolfram Birmili, Marike Kolossa-Gehring, Kerttu Valtanen, Małgorzata Dębiak, Tunga Salthammer
People in Central Europe spend most of their time in private dwellings, offices, education centres or other public buildings. In these indoor places, they are exposed to a variety of gaseous or particulate pollutants that potentially exert adverse health effects. This work compiles current fields of action that are discussed in the public, among expert panels, and in the scientific community. These address ventilation in buildings, the impact of building product emissions and particulate matter sources on indoor air quality, the detection and prevention of mould as well as the assessment of indoor air quality using guidance values and the determination of the internal exposure by human biomonitoring...
May 8, 2018: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/29737193/technology-review-prototyping-platforms-for-monitoring-ambient-conditions
#5
Samuel Olaiya Afolaranmi, Borja Ramis Ferrer, Jose Luis Martinez Lastra
The monitoring of ambient conditions in indoor spaces is very essential owing to the amount of time spent indoors. Specifically, the monitoring of air quality is significant because contaminated air affects the health, comfort and productivity of occupants. This research work presents a technology review of prototyping platforms for monitoring ambient conditions in indoor spaces. It involves the research on sensors (for CO2 , air quality and ambient conditions), IoT platforms, and novel and commercial prototyping platforms...
May 8, 2018: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/29734062/impacts-of-stove-use-patterns-and-outdoor-air-quality-on-household-air-pollution-and-cardiovascular-mortality-in-southwestern-china
#6
Graydon Snider, Ellison Carter, Sierra Clark, Joy Tzu Wei Tseng, Xudong Yang, Majid Ezzati, James J Schauer, Christine Wiedinmyer, Jill Baumgartner
BACKGROUND: Decades of intervention programs that replaced traditional biomass stoves with cleaner-burning technologies have failed to meet the World Health Organization (WHO) interim indoor air quality target of 35-μg m-3 for PM2.5 . Many attribute these results to continued use of biomass stoves and poor outdoor air quality, though the relative impacts of these factors have not been empirically quantified. METHODS: We measured 496 days of real-time stove use concurrently with outdoor and indoor air pollution (PM2...
May 4, 2018: Environment International
https://www.readbyqxmd.com/read/29730403/btex-in-indoor-air-of-beauty-salons-risk-assessment-levels-and-factors-influencing-their-concentrations
#7
Abbas Norouzian Baghani, Roohollah Rostami, Hossein Arfaeinia, Sadegh Hazrati, Mehdi Fazlzadeh, Mahdieh Delikhoon
Concentrations of benzene, toluene, ethylbenzene, and xylene (BTEX) were investigated in indoor air quality of 50 beauty salons in Ardabil, Iran (2017). Ten liters of air samples were collected from each salons regarding the recommended method and analyzed by GC-FID for BTEX concentration. Also, structural and operational conditions of the salons were studied with a self-designed questioner. The results of this study show that the mean concentration of benzene (32.40 ± 26.38) higher than the recommended levels by Health Canada, ANSES and HKSAR...
May 3, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29704807/applications-of-low-cost-sensing-technologies-for-air-quality-monitoring-and-exposure-assessment-how-far-have-they-gone
#8
REVIEW
Lidia Morawska, Phong K Thai, Xiaoting Liu, Akwasi Asumadu-Sakyi, Godwin Ayoko, Alena Bartonova, Andrea Bedini, Fahe Chai, Bryce Christensen, Matthew Dunbabin, Jian Gao, Gayle S W Hagler, Rohan Jayaratne, Prashant Kumar, Alexis K H Lau, Peter K K Louie, Mandana Mazaheri, Zhi Ning, Nunzio Motta, Ben Mullins, Md Mahmudur Rahman, Zoran Ristovski, Mahnaz Shafiei, Dian Tjondronegoro, Dane Westerdahl, Ron Williams
Over the past decade, a range of sensor technologies became available on the market, enabling a revolutionary shift in air pollution monitoring and assessment. With their cost of up to three orders of magnitude lower than standard/reference instruments, many avenues for applications have opened up. In particular, broader participation in air quality discussion and utilisation of information on air pollution by communities has become possible. However, many questions have been also asked about the actual benefits of these technologies...
April 25, 2018: Environment International
https://www.readbyqxmd.com/read/29691740/integration-of-a-photocatalytic-multi-tube-reactor-for-indoor-air-purification-in-hvac-systems-a-feasibility-study
#9
Jeroen van Walsem, Jelle Roegiers, Bart Modde, Silvia Lenaerts, Siegfried Denys
This work is focused on an in-depth experimental characterization of multi-tube reactors for indoor air purification integrated in ventilation systems. Glass tubes were selected as an excellent photocatalyst substrate to meet the challenging requirements of the operating conditions in a ventilation system in which high flow rates are typical. Glass tubes show a low-pressure drop which reduces the energy demand of the ventilator, and additionally, they provide a large exposed surface area to allow interaction between indoor air contaminants and the photocatalyst...
April 24, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29690601/prediction-of-human-performance-using-electroencephalography-under-different-indoor-room-temperatures
#10
Tapsya Nayak, Tinghe Zhang, Zijing Mao, Xiaojing Xu, Lin Zhang, Daniel J Pack, Bing Dong, Yufei Huang
Varying indoor environmental conditions is known to affect office worker’s performance; wherein past research studies have reported the effects of unfavorable indoor temperature and air quality causing sick building syndrome (SBS) among office workers. Thus, investigating factors that can predict performance in changing indoor environments have become a highly important research topic bearing significant impact in our society. While past research studies have attempted to determine predictors for performance, they do not provide satisfactory prediction ability...
April 23, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29690534/a-system-based-on-the-internet-of-things-for-real-time-particle-monitoring-in-buildings
#11
Gonçalo Marques, Cristina Roque Ferreira, Rui Pitarma
Occupational health can be strongly influenced by the indoor environment as people spend 90% of their time indoors. Although indoor air quality (IAQ) is not typically monitored, IAQ parameters could be in many instances very different from those defined as healthy values. Particulate matter (PM), a complex mixture of solid and liquid particles of organic and inorganic substances suspended in the air, is considered the pollutant that affects more people. The most health-damaging particles are the ≤PM10 (diameter of 10 microns or less), which can penetrate and lodge deep inside the lungs, contributing to the risk of developing cardiovascular and respiratory diseases, as well as of lung cancer...
April 21, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29683219/response-of-consumer-and-research-grade-indoor-air-quality-monitors-to-residential-sources-of-fine-particles
#12
B C Singer, W W Delp
The ability to inexpensively monitor PM2.5 to identify sources and enable controls would advance residential indoor air quality (IAQ) management. Consumer IAQ monitors incorporating low-cost optical particle sensors and connections with smart home platforms could provide this service if they reliably detect PM2.5 in homes. In this study, particles from typical residential sources were generated in a 120 m3 laboratory and time-concentration profiles were measured with 7 consumer monitors (2-3 units each), 2 research monitors (Thermo pDR-1500, MetOne BT-645), a Grimm Mini Wide-Range Aerosol Spectrometer (GRM), and a Tapered Element Oscillating Microbalance with Filter Dynamic Measurement System (FDMS), a Federal Equivalent Method for PM2...
April 23, 2018: Indoor Air
https://www.readbyqxmd.com/read/29681504/plants-for-sustainable-improvement-of-indoor-air-quality
#13
REVIEW
Federico Brilli, Silvano Fares, Andrea Ghirardo, Pieter de Visser, Vicent Calatayud, Amalia Muñoz, Isabella Annesi-Maesano, Federico Sebastiani, Alessandro Alivernini, Vincenzo Varriale, Flavio Menghini
Indoor pollution poses a serious threat to human health. Plants represent a sustainable but underexploited solution to enhance indoor air quality. However, the current selection of plants suitable for indoors fails to consider the physiological processes and mechanisms involved in phytoremediation. Therefore, the capacity of plants to remove indoor air pollutants through stomatal uptake (absorption) and non-stomatal deposition (adsorption) remains largely unknown. Moreover, the effects of the indoor plant-associated microbiome still need to be fully analyzed...
April 10, 2018: Trends in Plant Science
https://www.readbyqxmd.com/read/29681128/association-between-indoor-air-pollution-and-respiratory-disease-in-companion-dogs-and-cats
#14
Chung-Hui Lin, Pei-Ying Lo, Huey-Dong Wu, Chinhao Chang, Lih-Chiann Wang
BACKGROUND: Indoor air pollution (IAP) leads to important respiratory morbidity and mortality in humans. Companion dogs and cats share the same household environment with their owners and are exposed to IAP. HYPOTHESIS: Pets with respiratory disease are more commonly exposed to indoor air pollutants in their homes and to worse air quality than pets without respiratory disease. ANIMALS: Three hundred and forty-eight animals (230 dogs and 118 cats) were recruited...
April 21, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29679276/health-risk-assessment-of-voc-emissions-in-laboratory-rooms-via-a-modeling-approach
#15
Farzad Davardoost, Davood Kahforoushan
One of the important agents menacing buildings' employees and residents' health is the emission of volatile organic compounds (VOCs) into the indoor environment. The present research studied the VOC emission to evaluate indoor air quality (IAQ) through studying in-laboratory processes and tasks. On account of that, three different pollutants (acetone, benzene, and toluene) were chosen as candidate VOCs, and Environmental Engineering Research Center at Sahand University of Technology was selected as a sample laboratory for each VOC...
April 21, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29676630/international-approach-to-environmental-and-lung-health-a-perspective-from-the-fogarty-international-center
#16
Roger I Glass, Joshua P Rosenthal
The global burden of lung disease is substantial, accounting for an estimated 7.5 million deaths per year, approximately 14% of annual deaths worldwide. The prime illnesses include, in descending order, chronic obstructive pulmonary disease, lung cancer, tuberculosis, acute respiratory infections, asthma, and interstitial lung fibrosis. Key risk factors include smoking, both indoor and outdoor air pollution, and occupational exposures. Although the distribution of both the diseases and the risk factors varies greatly by age, geography, and setting, the greatest burden falls on populations living in low- and middle-income countries...
April 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29674239/relationship-between-domestic-smoking-and-metals-and-rare-earth-elements-concentration-in-indoor-pm-2-5
#17
Gaspare Drago, Cinzia Perrino, Silvia Canepari, Silvia Ruggieri, Luca L'Abbate, Valeria Longo, Paolo Colombo, Daniele Frasca, Martin Balzan, Giuseppina Cuttitta, Gianluca Scaccianoce, Giuseppe Piva, Salvatore Bucchieri, Mario Melis, Giovanni Viegi, Fabio Cibella, Martin Balzan, David Bilocca, Charles Borg, Stephen Montefort, Christopher Zammit, Salvatore Bucchieri, Fabio Cibella, Paolo Colombo, Giuseppina Cuttitta, Gaspare Drago, Giuliana Ferrante, Luca L'Abbate, Stefania La Grutta, Valeria Longo, Mario R Melis, Silvia Ruggieri, Giovanni Viegi, Remo Minardi, Giuseppe Piva, Rosaria Ristagno, Gianfranco Rizzo, Gianluca Scaccianoce
Cigarette smoke is the main source of indoor chemical and toxic elements. Cadmium (Cd), Thallium (Tl), Lead (Pb) and Antimony (Sb) are important contributors to smoke-related health risks. Data on the association between Rare Earth Elements (REE) Cerium (Ce) and Lanthanum (La) and domestic smoking are scanty. To evaluate the relationship between cigarette smoke, indoor levels of PM2.5 and heavy metals, 73 children were investigated by parental questionnaire and skin prick tests. The houses of residence of 41 "cases" and 32 "controls" (children with and without respiratory symptoms, respectively) were evaluated by 48-h PM2...
April 16, 2018: Environmental Research
https://www.readbyqxmd.com/read/29672477/assessment-of-community-awareness-and-practices-concerning-indoor-air-pollutants-madison-county-alabama-june-2017
#18
Charlene Siza, Melissa Morrison, Scott Harris, Timothy Hatch, Michael Tyler
The Alabama Department of Public Health (ADPH) conducts an annual community assessment to evaluate household preparedness and local public health concerns. In June 2017, ADPH conducted a Community Assessment for Public Health Emergency Response (CASPER), focusing on indoor air pollutants in seven neighborhoods in Madison County, Alabama, where a large percentage of homes were built before 1980. Local health partners had concerns about indoor air quality and environmental risks such as radon; however, limited information was available regarding community awareness, prevention, and mitigation measures related to potential exposures...
April 20, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29665179/pseudoscience-snake-oil-and-indoor-air-quality
#19
EDITORIAL
Glenn Morrison
No abstract text is available yet for this article.
May 2018: Indoor Air
https://www.readbyqxmd.com/read/29653179/a-distributed-computational-model-for-estimating-room-air-level-of-constituents-due-to-aerosol-emission-from-e-vapor-product-use
#20
Ali A Rostami, Samuel Agyemang, Yezdi B Pithawalla
Most indoor air quality models reported in the literature are well-mixed models. A well-mixed model estimates the room average concentration of constituents from sources. It does not provide information on (1) how far and how fast the emitted chemicals travel in the indoor space? And (2) how the concentration changes as a function of distance from the emission source? We developed a distributed model, using computational fluid dynamics and thermodynamics principles, which allows for aerosol dispersion in an indoor space and includes evaporation and condensation of constituents in a multi-compound aerosol mixture...
April 10, 2018: Food and Chemical Toxicology
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