Scientists propose 'Environmental Catalytic Cities' with self-purification function to remove air pollutants, using stable and green catalytic materials. This technology could mitigate urban air pollution without extra energy consumption.
A policy-specific assessment framework evaluates integrated effects of emission control policies on greenhouse gas mitigation, air quality improvement, and public health protection. China's on-road transportation policies have achieved remarkable progress but face weakening synergies, underscoring the need for deep structural transitions.
A new study reveals Low-Cost Source Apportionment (LoCoSA) is being used to great effect across the Global South, offering a powerful tool for improving public health and environmental policy. Researchers are now putting their findings into practice in Uganda, identifying and understanding dominant sources of Kampala's air pollution.
A multiyear analysis of over 400,000 women and 28,000 breast cancer cases found a strong association between outdoor air pollution and increased breast cancer incidence. The study suggests that reducing car traffic and promoting alternative transportation can help mitigate this risk.
A new study reveals that limiting temperature overshoot can prevent hundreds of thousands of premature deaths while avoiding trillions of dollars in economic damages. The research found significant health benefits by improving air quality, particularly in regions with high population density.
Mayo Clinic has been awarded up to $40 million by ARPA-H to develop new ways to monitor and improve air quality in real-time, enhancing patient care. The Hospital Air Quality (HAIQU) project will introduce cutting-edge biosensors, AI, and smart air filtration systems in emergency departments across Mayo's campuses.
A pilot study found that urban air contained three species of Candida yeasts classified as fungal pathogens, but these were absent in coastal air samples. The researchers suggest that the airborne yeast has industrial or urban origins, such as wastewater treatment plants, and may be infectious.
Research presented at the European Respiratory Society Congress found that a healthy diet rich in fruits and vegetables can partially mitigate the adverse effects of air pollution on lung function. Women who consumed four portions of fruit per day or more appeared to have smaller reductions in lung function associated with air pollution.
Exposure to lower levels of air pollutants is associated with improved vision in children, suggesting that reducing exposure could slow the progression of myopia. Children who live in areas with cleaner air have better vision, especially younger students.
A study of nearly 30,000 Chinese children found that air pollution, particularly nitrogen dioxide and fine particles, is a significant risk factor for childhood myopia. Exposure to poor air quality can cause oxidative stress and inflammation of the eye, potentially harming vision.
A new study finds that wildfires in the western US worsen local air quality but unexpectedly improve air quality in the eastern US due to heat's effect on weather patterns. This overlooked factor significantly alters regional air quality, with climate models overestimating pollution impacts.
Researchers are using bird flight insights to create drone systems that can save energy and fly more efficiently. The goal is to develop technology that can dramatically reduce the amount of energy required for uncrewed aircraft, enabling longer flights.
A major new study quantifies the health impacts of outdoor air pollution from US oil and gas activities, revealing widespread disparities in exposure and health burden across racial and ethnic groups. The research estimates 91,000 premature deaths annually, with Black, Asian, Native American, and Hispanic populations most affected.
A recent study analyzed hourly data from nearly 750 low-cost and regulatory air pollution sensors throughout LA to understand the impact of wildfires on air quality. The findings suggest that combining different data sources, including ground-based sensors and satellite data, can provide more accurate and comprehensive information.
Combining federal monitors, low-cost sensors, and satellite data can provide a more complete picture of local air quality, enabling people to make safer choices in real-time. The study highlights the importance of timely and accurate air quality information during wildfire events.
Researchers developed drones that can safely explore air ducts by understanding airflow patterns and stabilizing their position using lasers and AI. The study opens up new application domains for drones in industrial inspection and public safety.
A community-driven study found that air pollutants, including particulate matter and black carbon, were highest when bulldozer activity and wind from the coal terminal coincided. The study supports long-standing complaints of Curtis Bay residents about coal-related air pollution.
The Michigan Air Mobility Research Corridor will test advanced air mobility technologies, including battery-powered aircraft and autonomous systems. The corridor, spanning 40 miles from Ann Arbor to Detroit, aims to enable safe and efficient flight testing.
A new study published in Communications Earth and Environment suggests that the cleanup of air pollution in East Asia has likely accelerated global warming. The reduction in sulfate emissions from countries like China has partially unmasked greenhouse gas-driven warming, leading to record-breaking surface temperatures.
A whole-genome sequencing study found fine-particulate air pollution to cause more cancer-related changes than secondhand smoke. Researchers analyzed lung tumors from 871 never-smoker patients across 28 geographic locations worldwide and linked air pollution exposure to increased genomic changes.
A study published in PLOS Global Public Health found that prenatal exposure to ambient fine particulate matter is associated with low birth weight and preterm birth in India. The researchers used geospatial models to highlight vulnerable areas, including the Northern districts where children are more susceptible to air pollution.
SourcePLOS·JournalPLOS Global Public Health·TypeObservational study·DateJul 2, 2025
A research team has proposed a novel algorithmic framework that leverages multi-frame spatio-temporal features to track swarm UAVs in air-to-air scenarios. The method achieves state-of-the-art performance across several datasets and demonstrates its suitability for real-world drone swarms.
Research using cardiac MRI found that long-term exposure to air pollution is associated with early signs of heart damage, including diffuse myocardial fibrosis. The study suggests that fine particulate matter in the air may contribute to changes in the heart structure, potentially setting the stage for future cardiovascular disease.
Prescribed burns contribute to significant air pollution in the southeast, particularly in minority and low-income areas. Climate change may exacerbate these impacts as fewer burn days become available.
Researchers at the University of Florida have developed a method to analyze airborne DNA, tracking species and pathogens in the air. This technology has vast potential applications for studying wildlife, human health, and environmental monitoring.
Researchers at the University of Utah found that outdoor air pollution from wildfires and dust events can infiltrate buildings using commercial HVAC systems with air-side economizers. However, indoor air quality remained good overall, and portable air filters can be an effective solution.
A nationwide study by TU Graz found that 75% of Austrian classrooms exceeded the daily average CO2 concentration limit, with some reaching levels almost seven times the guideline value. Regular ventilation can reduce not only CO2 but also airborne disease transmission risk.
Researchers developed a new computer modeling approach to simulate the behavior of tiny nanoparticles in the air, improving accuracy and efficiency. This could lead to better monitoring of air pollution and more precise ways of predicting its effects on human health.
Researchers measured air quality over 19 months to capture both smoky and clear days, finding increases in fine aerosols and carbon monoxide during wildfires. The study has implications for weather, cloud formation, and public health.
A new MIT study reveals that climate change will make it harder to reduce ground-level ozone in certain regions, including eastern North America and Western Europe. In contrast, northeast Asia may see improvements in air quality with decreased nitrogen oxide emissions.
A new mouse study published at the ATS 2025 International Conference found that maternal air pollution exposure during pregnancy can increase asthma risk in adult offspring. The study also discovered lasting epigenetic changes affecting their lungs and immune response, which can persist for generations.
A new study by researchers at London Health Sciences Centre Research Institute found an association between long-term exposure to air pollution and new cases of epilepsy in adults in Ontario. Higher exposure to fine particulate matter and ozone increased the likelihood of developing epilepsy.
The University of Texas at Arlington researcher Yunyao Li has been selected by NASA to develop a system that provides early warnings of hazardous air pollution from wildfires. The project aims to enhance wildfire air quality forecasting capabilities and develop tools for decision-making processes related to health management.
Researchers found that drastic reductions in greenhouse gas emissions could significantly reduce deaths from poor air quality, particularly in deprived regions of Europe. The study suggests that strong climate mitigation would also lead to a more equitable burden of air quality mortality across the continent.
A long-term study from Saxony shows a significant decrease in air pollution in Eastern Europe, with PM1 concentrations falling by 28% per year. The study's findings indicate improved air quality due to clean energy measures and lower emissions from transportation.
A new study found that over 50 million people in the US live in counties with no air-quality monitoring, increasing their exposure to air pollution. Rural areas, particularly those in the Midwest and South, were more likely to lack monitoring sites, often due to poverty and limited access to healthcare.
SourcePenn State·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateApr 21, 2025
Researchers developed a low-cost, durable DIY air cleaner that works as well as HEPA filters to clear indoor air pollutants. The Corsi-Rosenthal Box, comprising common HVAC filters, performed as well or better than comparable HEPA filters in removing particles from the air.
A new study introduces a unified framework to assess the impact of air pollution on ecological health, highlighting rising PM2.5 concentrations in developing countries and declining levels in developed nations. The study provides real-time data to examine the interconnection between air pollution and ecological quality.
Researchers found systemic monitoring disparities for six major pollutants across US Census groups, with Native Hawaiians and Pacific Islanders facing the largest gaps. The study highlights the need to consider biases in datasets beyond algorithmic bias.
Research reveals that dry air caused by climate change dehydrates airways, triggering inflammation and associated conditions like asthma and chronic cough. Higher temperatures and drier air may lead to widespread airway inflammation in the US by mid-century.
New Delhi's air pollution is more severe than previously estimated, with particles absorbing atmospheric water vapor leading to significant underestimation of particulate matter levels. The study highlights the importance of considering hygroscopic growth and its impact on air quality assessments.
Climate change and air pollution threaten food systems, while agricultural activities contribute to global warming and poor air quality. Implementing mitigation and adaptation strategies within the food system can reduce emissions and improve resilience.
A new study by Carnegie Mellon University researchers found a statistically significant relation between air lead concentration and infant mortality. Higher concentrations of lead in the air caused higher levels of infant mortality in infants' first month and first year, suggesting both in utero and environmental exposures matter.
The National Natural Science Foundation of China funded 76 projects to study air pollution complex, achieving significant advances. Research focuses on instrument development, modeling studies, and understanding the impact of heterogeneous processes on haze chemistry.
A new study reveals that people may be exposed to unhealthy levels of airborne pollutants inside their homes, even if the outdoor air quality is good. Researchers used low-cost sensors and innovative techniques to compare particulate matter in three homes, finding significant differences in PM levels.
Research reveals that even short-term exposure to high levels of particulate matter air pollution impairs cognitive functions such as selective attention and emotion recognition. This study highlights the urgent need for stricter air quality regulations and public health measures to combat the harmful effects of pollution on brain health.
A collaborative project between ASU and industry partners aims to develop a regional Direct Air Capture Hub in the Four Corners area, with the goal of removing at least 1 million metric tons of CO2 from the atmosphere each year. The project will also create jobs, stimulate local economies, and support climate change mitigation efforts.
China has achieved significant progress in reducing PM2.5 concentrations by 35.6% since 2015, while also increasing non-fossil energy consumption to 17.5%. However, rising ozone levels and extreme weather events pose new challenges, emphasizing the need for adaptive measures and stricter air quality standards.
Scientists discovered that indoor air quality remained compromised weeks after the devastating Marshall Fire, releasing gases harmful to human health. Researchers tested methods to mitigate smells and VOC concentrations indoors, finding that opening windows and running air cleaners decreased gas levels by over 50%.
A new CU Boulder study found that residents of surviving homes in the area reported physical symptoms, including headaches and sore throats, attributed to poor air quality six months after the Marshall Fire. The study also found that hazardous gases lingered for weeks inside smoke- and ash-damaged homes.
A review of 3,000 studies suggests microplastics in the air may cause serious health problems, including colon cancer, poor lung function, and infertility. The tiny plastic particles are believed to contribute to chronic pulmonary inflammation, increasing the risk of lung cancer.
A new study from Karolinska Institutet reveals that long-term exposure to air pollution in India contributes to millions of deaths annually. The research highlights the need for stricter air quality regulations in the country.
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 urban communities, lower-income areas, and those with higher proportions of racial minorities have higher estimated cancer risks from air pollution. Despite this, the disparity is decreasing over time, suggesting improvements in air pollution control measures.
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.
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.
A new study by the University of Birmingham has found that air fryers emit significantly lower levels of particulate matter and volatile organic compounds (VOCs) than other cooking methods. The researchers measured pollutant levels in a well-controlled research kitchen and found that improving ventilation can help reduce indoor pollution.
A new study by Intermountain Health found that air pollution primarily increases inflammation in patients with heart disease, particularly those with heart failure. Elevated inflammatory markers were observed in these patients during periods of poor air quality, suggesting they are more susceptible to the impacts of air pollution.
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.