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Search results for “Air Quality”

1,000+ results for "Air Quality"

New model provides improved air-quality predictions in fire-prone areas

Researchers developed a deep learning model that provides improved predictions of air quality in wildfire-prone areas, distinguishing between wildfires and non-wildfires. The ST-Transformer model uses sparse attention to prioritize relevant information and captures trends associated with wildfires.

SourcePenn State·JournalScience of The Total Environment·TypeComputational simulation/modeling·DateMar 14, 2023

A mixture of trees purifies urban air best

A study by University of Gothenburg found that conifer trees are generally better at purifying air from gaseous pollutants, while broadleaved trees excel at capturing particle-bound pollution. The researchers analyzed leaves and needles from eleven different tree species to determine which ones absorb air pollutants most effectively.

SourceUniversity of Gothenburg·JournalEcological Indicators·TypeContent analysis·DateMar 6, 2023

Current air pollution standards tied to higher heart risks

A Kaiser Permanente study of 3.7 million adults found long-term exposure to fine particle air pollution increases the risk of heart attacks and cardiovascular disease, especially in neighborhoods with lower socioeconomic status. The research lends support for strengthening air quality standards to protect public health.

SourceKaiser Permanente·JournalJAMA Network Open·DateFeb 24, 2023

Children’s lung capacity improved in cleaner air

A new study published in the European Respiratory Journal reports that children's lung capacity has improved in areas with decreased air pollution in Stockholm. The researchers found a 20% lower risk of significantly impaired lung function in participants living in areas with better air quality.

SourceKarolinska Institutet·JournalEuropean Respiratory Journal·TypeObservational study·DateFeb 23, 2023

Nematodes can help us detect indoor air impurities

Researchers developed a new method for measuring indoor air quality using transgenic nematode strains that produce fluorescence when exposed to harmful pollutants. The amount of fluorescence can be measured and used to detect various impurities in the air, including fungal samples, surfactants, and volatile compounds.

SourceUniversity of Turku·JournalPathogens·DateFeb 2, 2023

A type of simple, DIY air filter can be an effective way to filter out indoor air pollutants

A study by Brown University and Silent Spring Institute found that inexpensive DIY air filters called Corsi-Rosenthal boxes can significantly decrease indoor air concentrations of PFAS and phthalates. The boxes, made from MERV-13 filters, duct tape, a fan, and cardboard, reduced PFAS levels by 40% to 60% and phthalates by 30% to 60%.

SourceBrown University·JournalEnvironmental Science & Technology·TypeObservational study·DateDec 23, 2022

PolyU researchers compile world’s first “atlas” of airborne microbes that provides an important new perspective for public health research

Researchers compiled a comprehensive map of the world's airborne microbes, providing fresh insights into how these species interact with the surface environment. The atlas reveals that human activities have changed the structure of microbiomes in natural ambient air, particularly with higher abundance of pathogenic bacteria in urban air.

SourceThe Hong Kong Polytechnic University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 15, 2022

Electric car sales drive toward cleaner air, less mortality

Research found that widespread electric vehicle adoption will significantly reduce air pollution and associated mortality in US metropolitan areas, with Los Angeles projected to see 1,163 fewer premature deaths annually. Electric vehicles could bring up to $12.61 billion in economic health benefits by 2050.

SourceCornell University·JournalRenewable and Sustainable Energy Reviews·DateDec 8, 2022

A new air purification strategy might reduce the risk of COVID-19 transmission in classrooms and other indoor spaces by as much as tenfold

A new study by USC researchers demonstrates that high-efficiency air filtration systems can significantly improve indoor air quality. Operating such systems with portable HEPA air purifiers can maximize the removal of tiny airborne particles, reducing COVID-19 transmission risk by up to tenfold.

SourceUniversity of Southern California·JournalInternational Journal of Environmental Research and Public Health·TypeExperimental study·DateNov 9, 2022

Real-time air quality data ‘life saving’

Sharing real-time air quality readings can reduce fine particulate concentration levels by 2-4 micrograms per cubic metre each year, leading to significant health benefits. The research estimates annual health benefits of $171 million AUD for the median city.

SourceUniversity of Queensland·JournalProceedings of the National Academy of Sciences·DateOct 24, 2022

Air pollution levels declined when US embassies installed monitors abroad and tweeted readings

The study found that fine particulate concentration levels decreased by 2-4 micrograms per cubic meter in host countries with embassy monitors. This reduction led to a significant decrease in premature mortality, resulting in annual health benefits of $127 million for the median city with an embassy monitor.

SourceCarnegie Mellon University·JournalProceedings of the National Academy of Sciences·DateOct 24, 2022

Newly developed air filter showcases excellent performance and endurance in harsh environments

A newly developed composite sponge-based air filter has demonstrated strong potential for applications in automobiles and industry, with high efficiency in removing particulate matter under harsh conditions. The filter's unique design and materials ensure good structural stability and adaptability to various environments.

SourceParticuology·JournalParticuology·TypeExperimental study·DateOct 3, 2022

Exposure to air pollution worsens COVID-19 outcomes, even among the fully vaccinated

Researchers found that air pollutants, particularly fine particles and nitrogen dioxide, increase the risk of COVID-19 hospitalizations up to 30% in vaccinated individuals. Long-term exposure also worsens outcomes, even among those fully vaccinated, highlighting the importance of improving indoor air quality.

SourceKeck School of Medicine of USC·JournalAmerican Journal of Respiratory and Critical Care Medicine·TypeMeta-analysis·DateSep 28, 2022

Haze pollution levels exhibit short-term seesaw behavior over North China Plain

Researchers observed a short-term 'seesaw' phenomenon in haze pollution over the North China Plain, with periods of high pollution followed by low haze levels. The study suggests that sudden changes in atmospheric movement linked to abnormal sea surface temperatures are responsible for this behavior.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAtmospheric and Oceanic Science Letters·DateSep 28, 2022

Understanding the effect of wildfires on air quality: a NASA initiative

A NASA initiative studies wildfire-induced air pollution by measuring atmospheric CO and O3 levels using airborne observations. The study found that CO levels increased in the plume as it was transported away from the fire site, while plume age was associated with distance in both vertical and horizontal directions.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Applied Remote Sensing·DateSep 7, 2022

Natural gas used in homes contains hazardous air pollutants shows Boston-area study by Harvard T.H. Chan School of Public Health

A new Boston-area study by Harvard T.H. Chan School of Public Health reveals that natural gas used in homes contains varying levels of volatile organic chemicals. The research found that even small amounts of hazardous air pollutants could impact indoor air quality and degrade outdoor air quality when gas leaks occur.

SourceHarvard T.H. Chan School of Public Health·JournalEnvironmental Science & Technology·TypeObservational study·DateJun 28, 2022

Young adults with higher exposure to household air pollution show worse lung function

A recent study published in Environment International found that young adults exposed to higher levels of ambient and household air pollution had poorer lung function. Household air pollution from unvented biomass stoves was particularly detrimental, causing a significant decrease in lung capacity.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalEnvironment International·TypeObservational study·DateJun 22, 2022

Reducing air pollution can support healthy brain development: Study

A new study reveals that using portable HEPA filter air cleaners during pregnancy can improve cognitive development in children. The UGAAR randomized controlled trial found that children born to mothers with air cleaner use had higher intelligence quotients and verbal comprehension scores, indicating a potential benefit of reducing exp...

SourceSimon Fraser University·JournalEnvironmental Health Perspectives·TypeRandomized controlled/clinical trial·DateJun 22, 2022

Stanford researcher discusses climate change and air pollution impacts on children’s health

Children are at higher risk of health changes due to air pollution and climate change impacts, including increased asthma rates and vector-borne diseases. Caregivers can take steps to minimize exposure by making personal and family changes such as using electric cars, reducing meat consumption, and improving indoor air quality.

SourceStanford University·JournalNew England Journal of Medicine·DateJun 15, 2022