Air Pollution News

June 3, 2025

Top Headlines

Molecular Link Between Air Pollution and Pregnancy Risks

June 3, 2025 — A new study found exposure to specific tiny particles in air pollution during pregnancy are associated with increased risk of various negative birth ...

DNA Floating in the Air Tracks Wildlife, Viruses -- Even Drugs

June 3, 2025 — Environmental DNA from the air, captured with simple air filters, can track everything from illegal drugs to the wildlife it was originally designed to ...

Rising Soil Nitrous Acid Emissions, Driven by Climate Change and Fertilization, Accelerate Global Ozone Pollution

May 30, 2025 — Ozone pollution is a global environmental concern that not only threatens human health and crop production, but also worsens global warming. While the formation of ozone is often attributed to ...

Does Outdoor Air Pollution Affect Indoor Air Quality? It Could Depend on Buildings' HVAC

May 29, 2025 — Researchers determined how much outdoor particulate pollution affects indoor air quality. Their study concluded pollution from inversion and dust events is kept out of buildings, but wildfire smoke ...

Latest Headlines

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Does Planting Trees Really Help Cool the Planet?

May 29, 2025 — Replanting forests can help cool the planet even more than some scientists once believed, especially in the tropics. But even if every tree lost since the mid-19th century is replanted, the total ...

New Study Analyzes Air Quality Impacts of Wildfire Smoke

May 27, 2025 — With wildfires increasing in frequency, severity, and size in the Western U.S., researchers are determined to better understand how smoke impacts air quality, public health, and even the weather. As ...

Rapid Simulations of Toxic Particles Could Aid Air Pollution Fight

May 27, 2025 — A pioneering method to simulate how microscopic particles move through the air could boost efforts to combat air pollution, a study ...

Climate Change May Make It Harder to Reduce Smog in Some Regions

May 22, 2025 — A modeling study shows that global warming will make it harder to reduce ground-level ozone, a respiratory irritant that is a key component of smog, by cutting greenhouse gas ...

Southeast Asia Could Prevent Up to 36,000 Ozone-Related Early Deaths a Year by 2050 With Stricter Air Pollution Controls

May 21, 2025 — A study has found that implementing robust air pollution control measures could mean Southeast Asian countries prevent as many as 36,000 ...

One in Ten Asthma Cases Can Be Avoided With a Better Urban Environment

May 16, 2025 — The combination of air pollution, dense urban development and limited green spaces increases the risk of asthma in both children and ...

Satellite Measures CO2 and NO2 Simultaneously from Power Plant Emissions for the First Time

May 9, 2025 — A research team used the German environmental satellite EnMAP (Environmental Mapping and Analysis Program) to simultaneously detect the two key air ...

Mercury Levels in the Atmosphere Have Decreased Throughout the 21st Century

May 8, 2025 — Mercury is released by environmental and human-driven processes. And some forms, specifically methylmercury, are toxic to humans. Therefore, policies and regulations to limit mercury emissions have ...

Warming Climate Making Fine Particulate Matter from Wildfires More Deadly and Expensive

May 7, 2025 — Scientists say human-caused climate change led to 15,000 additional early deaths from wildfire air pollution in the continental United States during ...

New Study Tracks Air Pollution and CO2 Emissions Across Thousands of Cities Worldwide

May 7, 2025 — In a sweeping new study of more than 13,000 urban areas worldwide, researchers have mapped air pollution levels and carbon dioxide emissions, ...

Practical New Tool Created for Detecting Nanoplastics and Microplastics in the Environment

May 6, 2025 — A team of researchers has developed a cost-effective, high-throughput technology for detecting nanoplastics and microplastics in the environment. These particles are pervasive, posing health and ...

Cutting Greenhouse Gases Will Reduce Number of Deaths from Poor Air Quality

May 6, 2025 — Up to 250,000 deaths from poor air quality could be prevented annually in central and western Europe by 2050 if greenhouse gas emissions are drastically reduced, say ...

Concerning Chemicals from the Wear of Climbing Shoes Cause Trouble in Indoor Halls

Apr. 29, 2025 — Those who climb indoors are doing something for their health. But climbing shoes contain chemicals of concern that can enter the lungs of climbers through the abrasion of the soles. In a recent ...

London's Low Emission Zones Save Lives and Money

Apr. 23, 2025 — Study finds a 18.5% reduction in sick leave following LEZ implementation in Greater London compared to areas in England without low emission ...

How Safe Is the Air to Breathe? 50 Million People in the US Do Not Know

Apr. 21, 2025 — Across the United States, 58% of counties have no active air-quality monitoring sites, according to a new study. Rural counties, especially those in the Midwest and South, are less likely to have ...

Early-Life Exposure to Air and Light Pollution Linked to Increased Risk of Pediatric Thyroid Cancer

Apr. 18, 2025 — A new study suggests that early-life exposure to two widespread environmental pollutants -- small particle air pollution and outdoor artificial light at night -- could increase the risk of pediatric ...

Study Finds Dramatic Boost in Air Quality from Electrifying Railways

Apr. 16, 2025 — Switching from diesel to electric trains dramatically improved the air quality aboard the San Francisco Bay Area's Caltrain commuter rail line, reducing riders' exposure to the carcinogen ...

Physics Reveals the Optimal Roof Ratios for Energy Efficiency

Apr. 14, 2025 — There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, ...

Europe's Population Is Adapting Better to Cold Than to Heat

Apr. 9, 2025 — A study has shown that Europe has adapted better to low temperatures than to high temperatures over the last two decades. The relative risk of mortality at the coldest temperatures has decreased by ...

Tree Rings Track Atmospheric Mercury Cheaply

Apr. 9, 2025 — Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new ...

A Step Toward Cleaner Iron Extraction Using Electricity

Apr. 9, 2025 — Iron and its alloys, such as steel and cast iron, dominate the modern world, and there's growing demand for iron-derived products. Traditionally, blast furnaces transform iron ore into purified ...

Smoke from US Wildfires, Prescribed Burns Caused Premature Deaths, Billions in Health Damages

Apr. 8, 2025 — Researchers estimated that smoke from wildfires and prescribed burns caused $200 billion in health damages in 2017, and that these were associated with 20,000 premature deaths. Senior citizens were ...

Exposure to Air Pollution May Harm Brain Health of Older Adults

Apr. 7, 2025 — Long-term exposure to high levels of air pollution may harm the brain health of older adults in England, finds a new ...

Exposure to Wildfire Smoke Linked With Worsening Mental Health Conditions

Apr. 4, 2025 — Exposure to fine particulate air pollution (PM2.5) from wildfire smoke was associated with increased visits to emergency departments (ED) for mental health conditions, according to a new ...

Surprising Number of Environmental Pollutants in Hedgehogs

Apr. 1, 2025 — Lead, pesticides, brominated flame retardants, plastic additives, polychlorinated biphenyls (PCBs), and heavy metals. This is what researchers found when they collected dead hedgehogs to investigate ...

Exposure to Air Pollution in Childhood Is Associated With Reduced Brain Connectivity

Apr. 1, 2025 — A new study has found that children exposed to higher levels of air pollution in early and mid childhood have weaker connections between key brain regions. The findings highlight the potential impact ...

The Proportion of Harmful Substances in Particulate Matter Is Much Higher Than Assumed

Mar. 31, 2025 — People breathing contaminated air over the course of years are at greater risk of developing numerous diseases. This is thought to be due to highly reactive components in particulate matter, which ...

New Evidence Links Microplastics With Chronic Disease

Mar. 25, 2025 — Tiny fragments of plastic have become ubiquitous in our environment and our bodies. Higher exposure to these microplastics, which can be inadvertently consumed or inhaled, is associated with a ...

Do-It-Yourself Box Filter Clears the Air of Indoor Pollutants

Mar. 24, 2025 — When wildfires threaten communities, human health can be impacted as smoke distributes on the breeze, infiltrating various structures. To help people protect themselves and their families, ...

Whose Air Quality Are We Monitoring?

Mar. 18, 2025 — The EPA's network consistently failed to capture air quality in communities of color across six major pollutants. The monitors are the key data source driving decisions about pollution ...