Air Quality Articles
How Catalytic Converters Clean Up Car Emissions
Catalytic converters are essential emissions control devices that reduce harmful pollutants from vehicle exhaust, including carbon monoxide, hydrocarbons, and nitrogen oxides, by converting them into less harmful gases through chemical reactions. By significantly lowering toxic emissions, they play a crucial role in improving urban air quality and protecting public health.
What are Nitrogen Oxides and Why Do We Track Them?
Nitrogen oxides (NOₓ) are a group of highly reactive gases that include nitric oxide (NO) and nitrogen dioxide (NO₂). These gases play significant roles in atmospheric chemistry and environmental health. NOₓ contributes to the formation of ground-level ozone and fine...
The Importance of Changing Your Car’s Cabin Air Filter
Most people spend a surprising amount of time in theor cars. According to AAA, Americans collectively spend over 70 billion hours on the road annually, which averages nearly an hour each day for the typical driver. Given that cars often function as second homes, the...
Mastering Bathroom Ventilation Maintenance
Proper bathroom ventilation is essential for maintaining a healthy indoor environment. It helps control moisture levels, prevents mold growth, and ensures good air quality. This article reviews best practices for making sure your bathroom ventilation is adequate, the...
From Power Plants to Acid Rain: What is Sulfur Dioxide Pollution
Sulfur dioxide (SO₂) is a highly reactive gas known for its pungent odor and impact on air quality and public health. It belongs to the family of sulfur oxides (SOₓ), a group of pollutants regulated under the U.S. Environmental Protection Agency’s (EPA) National...
Understanding SCUBA Systems: Comparing Divers and Firefighters
When safety and survival are on the line, self-contained breathing apparatuses (SCBA) and diving rebreathers become essential tools for firefighters and divers, respectively. Though both systems aim to provide breathable air in environments where it’s unavailable, the...
Smoke School: Training Air Quality Inspectors to Uphold the Clean Air Act
Ensuring air quality is a fundamental aspect of environmental protection, and in the United States, a key component of this effort is the training program known as "smoke school." This program is designed to equip air quality inspectors with the skills necessary to...
Formaldehyde: What Does Your Couch and a Morgue Have in Common
When purchasing new furniture, most people focus on aesthetics, comfort, and price. However, a less visible concern lurks beneath the sleek veneer of many furniture pieces: formaldehyde off-gassing. This phenomenon, stemming from the use of certain chemicals in...
Emissions to Efficiency: Regulating Air Quality in Paper Production
The paper industry has long been a cornerstone of global commerce and daily life, providing everything from packaging materials to office supplies. However, its environmental footprint, particularly its impact on air quality, remains a significant concern. While...
Air Quality Headlines
From Devastating CPAM Diagnosis To Climbing With Hope
American Lung Association | 1 April 2026 | A family’s experience with a child born with a rare lung condition highlights the long-term respiratory challenges children can face and the importance of ongoing pulmonary care and support.
My Six-Year-Old Has Nosebleeds’: Chiang Mai Air Pollution Sparks Health Fears
BBC | 1 April 2026 | Seasonal agricultural burning and wildfires have pushed PM2.5 levels in Chiang Mai to “very unhealthy” levels, prompting some families to consider relocating due to worsening health impacts from recurring smoke pollution.
Call For Consultant – Data Analyst To Assist With Updating WHO Energy Access Databases To Support SDG 7 And Related Health Impact Monitoring And Reporting
World Health Organization (WHO) | 31 March 2026 | WHO is seeking consultancy support to collect and analyze household and health facility energy access data, update global databases, and contribute to SDG 7 reporting and related publications on clean cooking,...
Department Of Environmental Quality To Hold Permit Process Meeting About Proposed Aluminum Smelter
Oklahoma.gov | 31 March 2026 | Oklahoma regulators have begun reviewing an air quality construction permit for a proposed Emirates Global Aluminum smelter in Inola, with public meetings scheduled to gather community input as part of the permitting process.
By The Numbers: 2025 Maps And Data Highlights
State of Michigan | 28 March 2026 | Michigan’s Department of Environment, Great Lakes, and Energy significantly expanded its public data access in 2025 by launching dozens of new interactive maps, dashboards, and open data resources to improve environmental...
Why Indoor Air Quality Is The Next Public Health Frontier
Stockholm Environment Institute | 28 March 2026 | An article argues that the UK must adopt a unified national strategy for indoor air quality, emphasizing better ventilation, monitoring, and regulation in public buildings where people spend most of their time.
In Colorado, Labor And Environmental Groups Split Over Data Center Regulations
Colorado Public Radio | 27 March 2026 | A proposed Colorado bill requiring data centers to fund clean energy and grid upgrades has sparked conflict between environmental groups and labor unions concerned about job losses and economic impacts.
Stay Indoors Advisories Issued In Multiple US States As Life-Threatening Toxins Fill The Air
Daily Mail | 27 March 2026 | Hazardous PM2.5 pollution driven by smoke, dust, and temperature inversions prompted air quality warnings across parts of Tennessee, Georgia, Alabama, and Arizona, with officials urging residents to stay indoors.
“Armhydromet” SNCO Equipped With A Modern Mobile Laboratory For Atmospheric Air Quality Monitoring
United Nations Development Programme | 26 March 2026 | Armenia has expanded its air quality monitoring capabilities with a new UNDP-funded mobile laboratory and additional monitoring stations to improve data collection, identify pollution hotspots, and support...
A New Lens On West Africa’s Invisible Killer
EUMETSAT | 26 March 2026 | Scientists in West Africa are using advanced satellite data and modeling to track air pollution sources and exposure, aiming to improve monitoring, forecasting, and public health protection in rapidly growing cities like Accra.
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