A new forecasting system provides 72-hour forecasts of fine particulates in New Delhi, helping officials and residents plan to reduce exposure to unhealthy air. The system uses measurements, computer modeling, and statistical techniques, improving accuracy but requiring refinement for precise pollutant levels.
A Northwestern University study concludes that human-caused climate change played only a minor role in the city's record-breaking air pollution event. Researchers suggest that reducing greenhouse gas emissions can greatly improve air quality and mitigate health problems, making it a win-win for public health and the environment.
Researchers found elevated ozone levels 30-50% higher than baseline conditions in the Amazon rainforest downwind of the city. Human activities release nitrogen oxides and VOCs that mix with plant-emitted gases, producing chemicals affecting regional air quality and climate.
Scientists at Estonian Research Council developed a new method for improving air purifier efficiency by analyzing oxygen adsorption. The research, published in Surfaces and Interfaces, found that oxygen plays a significant role in photocatalytic processes alongside UV radiation.
The study found that electric vehicles have a net positive impact on air quality and climate change, reducing ozone and particulate matter pollution. Transitioning to EVs can improve public health, even with current energy mixes, as long as power generation shifts towards clean energy sources.
A study by UC Berkeley scientists found that falling levels of air pollution are causing the decline in California's tule fog, which may help improve traffic safety in the region. The researchers analyzed data from 1930 to 2016 and found a strong correlation between air pollutant emissions and fog frequency.
Green roofs have been found to improve indoor air quality by reducing ozone levels, according to a PSU study. The research involved comparing air quality between a green roof and a conventional white membrane roof on a retail store in North Portland.
Researchers created an interactive heat map and city-by-city table detailing the distribution of childhood asthma due to traffic-related air pollution across the United States. Between 2000 and 2010, asthma cases attributable to traffic-related air pollution decreased by 33%, with over 140,000 cases reported in 2010.
A six-month study of children with asthma found that higher omega-3 fatty acid intake was associated with lower odds of daytime asthma symptoms in response to indoor air pollution. Conversely, higher omega-6 intake was linked to more severe asthma and increased inflammation. The study suggests that dietary recommendations can help prot...
A University of Washington-led study reveals that declining nitrogen oxides due to tightened standards can lead to cleaner air, but the process may take longer. The research found that NOx affects the formation of PM2.5 by changing the chemistry of hydrocarbon vapors.
A study published in the European Heart Journal found that air pollution is responsible for an estimated 8.8 million extra deaths globally, with Europe accounting for nearly 800,000 excess deaths annually. In Europe, air pollution causes an estimated 790,000 extra deaths and between 40-80% are due to cardiovascular diseases.
Researchers found that PM2.5 pollution is disproportionately caused by the consumption of goods and services by the non-Hispanic white majority, but disproportionately inhaled by black and Hispanic minorities. This disparity is driven by differences in consumption patterns and exposure to pollution.
A Rutgers study found that exposure to ultrafine particulates restricts blood flow and nutrients to the uterus, potentially leading to delayed growth and development. Pregnant women are advised to monitor indoor air quality and avoid high-smog days.
Delhi's air pollution is a complex issue, with multiple sources including burning from power plants, landfills, and individual fires. Experts cite difficulties in collecting accurate data due to erroneous official numbers and uncounted small sources.
Researchers from University of Colorado at Boulder found that daily household activities like cooking and cleaning release high levels of airborne chemicals, contributing to indoor and outdoor air quality. The study highlights the importance of proper ventilation in homes to minimize health impacts.
A new study published in Environmental Research found that people living in drafty homes in low-income, urban communities are at a higher risk of respiratory health issues such as asthma. The study revealed that residents in homes with the highest air-exchange rates were more likely to report chronic cough and asthma-like symptoms.
A nationwide study found that counties with dirtier air had higher rates of stroke deaths and shorter life expectancies. The study analyzed health data and pollution monitoring information from 1,561 counties across the US, revealing a significant association between PM2.5 pollution levels and increased risk of stroke.
Researchers propose using compressed air storage in porous rock formations to meet UK's electricity needs during winter months, providing a viable option for steady and reliable renewable energy supplies. The approach aims to store enough compressed air to cover the UK's typical electricity demand for January and February.
Researchers discovered a link between air quality and happiness in Chinese cities, finding that higher pollution levels are associated with decreased happiness. Women and those on higher incomes were found to be more sensitive to pollution's impact.
A new study found that fire air pollution weakens forest productivity globally, with surface O3 reducing GPP by 4.9 Pg C and global aerosols enhancing it by 1.0 Pg C. The net impact is dominated by O3, leading to a reduction of 0.9 Pg C annually.
A comprehensive review of air pollution effects in children reveals adverse birth outcomes, cognitive and behavioral problems, asthma incidence, and potentially childhood cancer. The study estimates that over 40% of environmental disease burden is borne by children under five.
A study by ETH Zurich researchers found that clean air would increase solar radiation nationwide, allowing for a one-tenth increase in electricity production. This could lead to additional electricity generation of 85-158 terawatt hours per year, generating significant revenue for the Chinese electricity industry.
Researchers at University of Utah Health found a 16 percent increased risk of miscarriage for women exposed to elevated air pollution levels, particularly nitrogen dioxide. The study suggests air quality is associated with adverse pregnancy outcomes and highlights the need for constructive solutions.
Despite improvements in air quality, the study found little impact on child lung health, with reduced lung function and asthma symptoms observed. Children still live in highly polluted areas, posing lifelong health risks, emphasizing the need for further action to tackle high levels of air pollution.
A study of 2,000 children suggests that London's diesel-dominated air pollution is restricting lung capacity, putting them at risk of lifelong breathing disorders. Despite improvements in air quality through the introduction of Low Emission Zones, there was no evidence of a reduction in small lungs or asthma symptoms.
Researchers found that using low-cost portable air purifiers at home significantly lowered urban seniors' fine particulate matter exposure and blood pressure. The study showed a 40% reduction in air pollutant exposure and an average of 3.4 mm Hg decrease in systolic blood pressure.
A Monash University study found a strong link between air pollution and the development of autism spectrum disorder (ASD) in children. Exposure to fine particles (PM2.5) from vehicle exhausts, industrial emissions, and other sources increased the risk of ASD by up to 78%. The study adds to previous research on prenatal air pollution ex...
Researchers deployed low-cost, solar-powered sensors to monitor air quality in Puerto Rico after Hurricane Maria. The devices detected high levels of sulfur dioxide and carbon monoxide, exceeding EPA standards on nearly 80% of days during the monitoring period.
Researchers have developed a new method to identify outliers in air quality monitoring data, which can automatically flag erroneous data and improve forecasting accuracy. The method uses probability of residuals to discriminate outliers, allowing for simultaneous evaluation of spatial and temporal consistencies.
A comprehensive study by the Swiss Tropical and Public Health Institute found that air pollution and transportation noise significantly increase the risk of heart attacks. The study reveals that considering both factors together reduces the estimated effect of air pollution on cardiovascular health.
A recent study found that US air pollution deaths decreased by 47% between 1990 and 2010, resulting in nearly 135,000 fewer deaths. The improvement coincided with increased federal air quality regulations.
Researchers from the University of Edinburgh have discovered a novel form of air bubble that enhances the drag on dandelion seeds, allowing them to travel great distances without power consumption. This breakthrough could inspire the development of small-scale drones for remote sensing or air pollution monitoring.
Researchers have developed a novel catalyst that enables an aluminum-air flow battery to outperform lithium-ion batteries in terms of energy density, cost, and cycle life. The breakthrough technology uses a silver manganate nanoplate architecture to alleviate side reactions and improve the battery's longevity.
High levels of air pollutants, especially PM2.5, may be associated with an increased risk of developing mouth cancer, according to the first study of its kind. The study found that exposure to high levels of PM2.5 was linked to a 43% heightened risk of a mouth cancer diagnosis.
A recent study explores the feasibility of measuring atmospheric pollutants in China using geostationatory satellites. The research recommends suitable sensor parameters for improved retrieval sensitivity and reduced errors, paving the way for more accurate monitoring and control of air pollution.
Researchers from the University of Utah discovered that homeowners change their behavior when they can visualize air quality in their homes. By using portable air quality monitors and a smartphone app, participants were able to see real-time data on PM2.5 levels and adjust their daily habits accordingly. This study has the potential to...
A University of Utah engineering study shows that smart controllers for home heating and cooling systems can clean pollution with minimal additional energy costs. The 'SmartAir' setting, which turns on the HVAC fan based on both temperature and air quality, cleaned the air almost as well as continuous operation but used 58% less energy.
A two-year study found that indoor HEPA filters significantly reduce fine-particulate matter in the air, with a 55% reduction in PM2.5 levels when used during poor air quality days.
USC research reveals that air pollution alters thyroid development in fetuses, increasing the risk of health impacts later in life. Thyroid hormone levels were found to increase with exposure to particulate matter, highlighting a potential link between air pollution and fetal growth and metabolism.
Researchers find switching from coal to natural gas reduces air pollution, carbon emissions, but may increase water stress in some regions. A transition from coal to natural gas can have co-benefits for air quality and carbon mitigation, but trade-offs exist depending on the sector and location.
A new study conducted in Ulaanbaatar, Mongolia found that high-efficiency particulate arresting (HEPA) air purifiers can decrease fine particulate matter by 29% and lead to babies weighing up to 85 grams more at term. The results provide further evidence of the negative impact of air pollution exposure during pregnancy on fetal growth.
A new analysis reveals that poor-quality care is responsible for an estimated 5 million deaths per year, surpassing deaths due to insufficient access to care. Global efforts to improve health systems will be futile if quality does not improve.
A study found that air pollution exposure was associated with decreased cognitive test scores, particularly in verbal abilities. Reducing fine particulate matter concentrations could lead to significant improvements in cognitive performance, equivalent to a shift from median to 63rd percentile scores.
A new study published in PLOS ONE suggests that polluted air may be a threat to your kidneys, increasing the risk of chronic kidney disease. Air pollution contains fine particulate matter (PM2.5), which can cause serious health effects when inhaled regularly.
A new study found that air pollution shortens human lives by over a year globally, with better air quality potentially extending lifespans. The researchers analyzed data from 185 countries and quantified the national impact of PM2.5 air pollution on life expectancy.
Four low-cost indoor air quality monitors reliably detect high levels of particulate matter in the air, enabling use of ventilation systems or air cleaners to reduce pollutant exposure. However, all monitors faltered for ultrafine particles smaller than 0.3 micrometers, which pose significant health risks.
A study published by the USDA Forest Service found that tweets from California during the 2015 wildfire season could predict air quality impacts from smoke. The research combined ground-based monitoring with a topic model mapping citizens' tweets to improve models for predicting smoke dispersion.
A new study by the University of Washington shows that winter air pollution levels in the eastern US have remained high due to complex chemical processes, rather than reduced emissions. The study highlights the need for further emissions reductions to improve wintertime air quality.
Researchers in Shanghai discovered new particles formed in polluted air, defying expectations and highlighting the need for emission reductions to mitigate climate change. The study provides new insights into urban particle formation (NPF) and its role in affecting local and global air quality.
Recent studies suggest a potential relationship between air pollution and infertility, menstrual irregularity, uterine fibroids, and endometriosis. Researchers emphasize the need for further exploration of these findings to support policy guidelines on air pollution and human health.
A new study forecasts up to 1,000 additional deaths annually in the Eastern US due to elevated air pollution from increased air conditioning use. The study suggests transitioning to clean energy sources like wind and solar power to mitigate these effects.
Summer monsoons in South Asia purify the air of certain pollutants by oxidizing them into less volatile products, which then exit the atmosphere through rain. However, these monsoons also disperse other pollutants globally through a massive anticyclone circulating above the region.
The TRAX project is the only known transit-based mobile air quality network in North America. It has mapped out where and when different pollutants are present along its route, providing valuable insights into air pollution and greenhouse gas emissions.
The Citizen-Enabled Aerosol Measurements for Satellites project deploys 250 air samplers across Colorado and the Northwest, collecting precise measurements of air quality. The study aims to improve satellite-derived pollution estimates and better understand where air pollution is dirtiest.
Researchers developed a novel gel-like material that effectively dehumidifies ambient air while harnessing the moisture in the air for various applications. The hydrogel can absorb water from surrounding air more than 2.5 times its weight and performs at least eight times better than commercial drying agents.
A Cedars-Sinai study found that prolonged air pollution exposure in the Los Angeles Basin triggers inflammation and cancer-related gene expression in rat brains, particularly due to nickel content. The research highlights the need for reducing ambient air pollution levels.
A new study reveals that US improvements in air quality are slowing down, making it challenging to meet ozone pollution goals. The slowdown is attributed to slower-than-expected reductions in emissions from industrial and commercial sources.
A new MIT study estimates that China's climate policy would improve air quality and human health, saving $339 billion in health costs by 2030. The researchers used a new modeling approach to simulate the effects of different policy scenarios on provincial air quality and public health.
Researchers recommend integrating smart-sensor-controlled air cleaning technologies with plants to optimize indoor air quality. Plants absorb carbon dioxide, increase humidity, and passively absorb pollutants, making them a potential solution for reducing indoor pollution and saving energy.
A new study suggests that air pollution from traffic-related emissions is a significant contributor to childhood asthma cases in Bradford, with up to 24% of annual cases potentially attributed to this factor. The research highlights the need for policies aimed at reducing traffic-related air pollution to mitigate its effects on childre...