Articles tagged with Air Quality
A recent study reveals racial and ethnic disparities in the placement of regulatory air quality monitors in the US, which may lead to inadequate exposure estimates for certain populations. The findings underscore the need for further investigation into the health implications of incomplete or uncertain air quality data.
A study reveals that soil emissions account for at least a quarter of nitrogen oxide emissions in California's Salton Sea air basin, with annual total emissions reaching 11 tons per day. The findings highlight the need to better understand and account for agricultural soils' emissions to improve air quality in rural areas.
Parks have been found to be the most effective solution for reducing overall air pollution, cutting it by 22% in city-wide studies. However, other green spaces like trees and green walls showed mixed results, with some even worsening air quality.
A new study finds that fine particulate air pollution (PM2.5) exposure is associated with altered immune responses and increased inflammation in pregnant women, leading to adverse birth outcomes. The study highlights the importance of minimizing air pollution exposure in pregnant women to protect maternal and fetal health.
Fine particulate matter (PM2.5) and ground-level ozone (O3) are major pollutants degrading China's urban air quality, with serious human health effects. Coordinating their control is central to improving air quality, according to scientists.
Researchers at Loma Linda University found the Salton Sea's shoreline is retreating at an increasing rate, creating more polluted dust from agricultural runoff. The study forecasts parts of the North Shore will retreat up to 172 meters by 2041, posing health risks to nearby communities.
Researchers analyzed data from air quality monitoring stations in Spain and Portugal to reconstruct PM10 concentrations during extreme dust events. The study found that concentrations reached up to 5000 micrograms per cubic meter in the Canary Islands and exceeded EU standards.
A new method developed by Tianlang Zhao quickly determines surface air quality during Alaska's intense wildfire season. The method combines ground monitoring data with satellite aerosol optical depth measurements to provide an observational-based estimation of PM 2.5 levels across Alaska during wildfires.
A new study found that exposure to higher levels of air pollution as a baby is associated with increased odds of developing a peanut allergy and having it persist throughout childhood. Policies aimed at tackling poor air quality could potentially reduce the development and persistence of peanut allergies, according to researchers.
A study by Columbia University's Mailman School of Public Health finds significant improvement in air quality in NYC from 1998-2021 due to enacted policies. The research also highlights a cumulative beneficial effect on residents disproportionately affected by air pollution.
A new video series by UC Davis aims to educate building managers on removing pollutants from indoor spaces, linked to various health issues and even economic gains. The project's three R's approach focuses on removal, reduction, and mediation of air pollution sources.
A new study found that the US air pollution monitoring network has significant gaps in coverage, particularly in historically underrecognized communities. The network's inadequacy to capture exposure disparities has been highlighted as a major concern, with potential health implications for millions of people.
A new study suggests that large-scale adoption of electric vehicles can lead to significant population-level health benefits. The research team used computer simulations to show that aggressive electrification of the US vehicle fleet, coupled with an ambitious rollout of renewable electricity generation, could result in health benefits...
A new study reveals high levels of airborne plasticizers in Southern California, including phthalates known to cause reproductive harm and cancer. The study uses silicone wristbands to track exposure to these chemicals, finding that daily levels are both high and persistent.
Cities with high-performing streetcar systems prioritize transporting people to desired locations, while those that focus on economic development often experience poor performance. The study highlights the importance of focusing on passenger attraction and coordinated fare policies for successful streetcar systems.
Researchers developed a low-cost means of measuring indoor air quality, pinpointing sources and factors affecting PM concentrations. Air pollution levels remained within World Health Organisation guidelines during school hours, with dominant outdoor sources.
B.H. Baek at George Mason University conducts air quality monitoring and simulation analysis under the U.S. EPA's Office of Air Quality Policy and Standards. Funding from General Dynamics supports this project until December 2024.
Research shows ozone gas reduces tropical forest growth by 5.1% on average, impacting carbon capture and global warming. This effect is stronger in some regions, including Asia's tropical forests, which lose 10.9% of new growth.
Researchers found that women exposed to higher levels of nitrogen dioxide and inhalable particulate matter during the second trimester face an almost fourfold increased risk of postpartum depression. The study also discovered a sustained effect of air pollution on symptoms of depression for up to three years after birth.
A new study from Harvard T.H. Chan School of Public Health found that higher exposure to fine particulate air pollution (PM2.5) during infancy is associated with lower economic earnings in adulthood. The association was strongest in the Midwest and South, where an increase in PM2.5 exposure by one microgram per cubic meter was linked t...
A new study found that four in ten children in Central London switched to walking or cycling after the ULEZ was introduced, while only two in ten in Luton made this switch. This shift is linked to reduced air pollution and increased physical activity, with benefits for children's health and development.
A new study by Colorado State University researchers found that horse speed was negatively impacted by concentrations of PM2.5 far below the EPA's current safe limit, highlighting a relationship between air quality and athletic performance in horses. The study's findings could also have implications for better understanding the impact ...
A recent study found that human-made secondary organic aerosols (SOAs) contribute up to 53% of total SOA levels today, a significant increase from preindustrial times. This dramatic change is crucial to understanding the environmental impact of human activities on air quality and climate change.
Researchers found a significant association between air pollutant exposure and emergency room visits for mental disorders in communities that were once denied mortgages due to race. Elevated levels of fine particulate matter and nitrogen dioxide in these neighborhoods increased ER visits by 1.04% and 0.44%, respectively.
A new study finds that pollution levels significantly impact households' decision to relocate within the US, with poorer families being priced out of healthier areas. Richer households, on the other hand, opt for cleaner environments, earning more than average in their new communities.
A multidisciplinary team at UC Davis Health has developed a real-time action plan to support patients with preexisting respiratory diseases affected by poor air quality from wildfires. The plan, which considers social, economic, environmental and behavioral factors, aims to mitigate the health threat posed by wildfires.
A new perspective article highlights the impact of wildfires on individuals with COPD and asthma. The five-part Population Health Approach, developed by the University of California, Davis Health, identifies high-risk patients and provides interventions to mitigate poor air quality's negative effects.
A new study finds that reduced sulfur emissions from shipping industry likely contributed to nearly 20% of record-breaking 2023 warmth, while regulations also accelerated warming. Further research is needed to understand the magnitude of climate response.
A study by Rutgers researchers examined particulate matter from a June 2023 fire that triggered advisories for over 100 million Americans in the Northeast. The analysis revealed extremely high concentrations of ultrafine particles and toxic chemicals, surpassing national air quality standards.
Researchers found that air pollution affects people differently, causing some to feel less aroused and more negative. The study suggests that this effect can contribute to increased anxiety risk and inform climate adaptation planning.
A Dutch survey study found that higher satisfaction with home office setup, including air ventilation, is associated with higher productivity and lower burnout. The study suggests that investing in home-office hardware and environmental factors can support work-from-home policies.
A new study quantifies air pollution for NYC subway commuters, revealing disparities in exposure across racial and income groups. The research found that people from lower-income working communities have higher exposures and Black and Hispanic workers experience on average 35% and 23% higher PM2.5 exposure, respectively.
Researchers call for coordinated action to address air pollution's complexity, including elevating policy ambition, expanding regulatory scope, and integrating scientific policymaking. The paper highlights urgent need for clean air globally as health harms arise from lower concentrations.
A new study by Stellenbosch University reveals that indoor fireplaces release harmful particles into the air, posing a risk to occupant health. The research highlights the importance of improving indoor air quality in homes with amenity fireplaces.
A recent study explores the Clean Air Act and its impact on downwind states, highlighting challenges in regulating interstate air pollution. Downwind states face lengthy response times, infrequent petition acceptance, and burdens of proof in court, making it difficult to effectively address unequal pollution effects.
A new study finds that exposure to particulate matter 2.5 microns or bigger rises by about 2.4 percent when daily travel patterns are taken into account. The research also reveals demographic disparities in exposure levels, with income and ethnicity playing a significant role.
This Special Issue explores the intersections of science, health, and policy related to air pollution monitoring, health impacts, and built environment changes. Advances in satellite technology and modeling can help bridge data gaps, but economic disparities persist.
The COVID-19 pandemic highlighted the importance of proper ventilation in buildings to prevent airborne infection transmission. Experts recommend developing interdisciplinary knowledge, investing in mechanical ventilation systems, and implementing equivalent ventilation methods for existing buildings.
The 2024 Olympic and Paralympic Games in Paris are likely to experience high levels of ozone and grass pollen, potentially affecting athletes' health. Background air quality monitoring data suggests that PM2.5 levels are below the WHO recommended threshold, but NO2 levels exceed the limit at some stations
The EPIC Air Quality Fund aims to expand access to real-time air quality data to 1 billion people worldwide by 2030, enabling communities to understand pollution levels and drive policy change. The fund, supported by Open Philanthropy, will provide data-driven solutions to address air pollution in Asia, Africa, and Latin America.
A recent study by TU Graz found that rail transport contributes significantly to particulate matter emissions, with levels reaching up to 25 micrograms per cubic meter along railway lines. This poses a concern for air quality and soil pollution, particularly in areas with increased braking activity.
Research shows that oil and natural gas development in the Permian Basin contributes to high eight-hour ozone concentrations frequently exceeding EPA health standards during summer months. The study uses data from a 2019 field survey to confirm the impact of drilling, flaring, and other activities on ozone levels.
Researchers analyzed six US cities and found that tree species in parks were more drought-tolerant and reflected greater native biodiversity than those in residential yards. The study highlights the importance of planting drought-tolerant trees in urban areas to adapt to future climate change.
Burning ammonia for maritime fuel could worsen air quality and lead to devastating public health impacts, even with cleaner engine technology and green production methods. The study suggests that stronger regulations could reduce premature deaths from 600,000 to 66,000 annually
A new study published in Arthritis & Rheumatology found that chronic air pollution exposure may increase the risk of developing systemic lupus erythematosus (SLE), a condition that affects multiple organs. Individuals with high genetic risk and high air pollution exposure had the highest risk of developing lupus.
A new study has found that exposure to fine particulate matter prior to oocyte retrieval during IVF can reduce the odds of achieving a live birth by almost 40%. The research analysed 3,659 frozen embryo transfers and found that even in areas with excellent air quality, higher PM2.5 exposure was associated with decreased live birth rates.
A new study from POSTECH forecasts over 110,000 premature deaths in Korea by 2050 due to PM2.5 exposure and rapid population aging. To mitigate this burden, PM2.5 concentrations must be reduced to approximately 6 µg/m³.
Climate change is increasing the frequency and severity of wildfires in Canada, resulting in increased exposure to hazardous wildfire smoke. Health care practitioners play a crucial role in mitigating the health effects of wildfire smoke by providing guidance and support to vulnerable populations.
A new study suggests that care homes built next to busy roads without adequate tree planting can significantly increase exposure to deadly fine particle pollution. Building care homes near trees can mitigate this impact, with a significant decrease in indoor air quality found the further away from the road.
Researchers from Johns Hopkins University found ethylene oxide concentrations thousands of times higher than EPA estimates, posing significant cancer risks to people living near facilities. The mobile lab measurements revealed alarming levels of the toxic gas in air and soil, highlighting the need for more accurate monitoring tools.
A dog-like quadruped robot equipped with a mechanized arm is developed to detect hazardous gases and volatile organic compounds in hard-to-reach areas. The system uses air samples collected by the robot's arm and analyzed on-site, allowing for safer conditions for scientists and technicians.
Scientists developed a miniaturized micro-spectrometer to detect multiple toxic and greenhouse gases, offering increased control over individual exposure. The technology uses machine learning and metasurface spectral filter arrays to create a compact sensor that can be integrated into wearable devices.
The 'Air of the Anthropocene' project uses digital light painting and low-cost sensors to create impactful images of air pollution levels in cities across Ethiopia, India, and the UK. The team aims to make invisible air pollution visible and demonstrate its health risks through accessible visuals.
A new study finds that climate change will increase ozone pollution in the US by 2050, with potentially millions more people exposed to dangerously high levels. The study's findings suggest that current emissions reductions efforts may be less effective in meeting air quality standards.
A recent study by ISGlobal and partners reveals that imported ground-level ozone (O3) contributed to over 88% of all deaths attributable to O3 across 35 European countries. Most transboundary O3 came from hemispheric sources, accounting for 56.7% of total attributable mortality.
A new study finds that urban office buildings continuously release volatile organic compounds (VOCs) into the outdoors, similar to traffic emissions. The research team measured VOC concentrations in a high-performance office building and found indoor levels 2-15 times higher than outdoors.
A new UC Riverside study found that boreal forests in the northern hemisphere are particularly vulnerable to negative effects of cleaning up aerosol pollution. Reducing levels of human-made aerosols causes an increase in wildfires, especially in northern hemisphere forests.
Replacing diesel school buses with electric ones can yield up to $247,600 in climate and health benefits per individual bus, according to a new study. The benefits include reduced greenhouse gas emissions and lower rates of adult mortality and childhood asthma.
A recent study found that approximately 30% of India's PM2.5 air quality improvements can be attributed to favorable meteorological conditions, highlighting the need for additional mitigation measures. The researchers also noted that emissions of key PM2.5 precursors have not decreased and may indicate ineffective or under-enforced pol...
A new data center aims to tackle emerging air quality issues in China, providing a comprehensive platform for scientific research and collaboration. The China Air Pollution Data Center (CAPDC) offers high-quality datasets and tools to help combat ozone pollution and other complexities.