Some residents of Belmont County in eastern Ohio have long suffered from headaches, fatigue, nausea and burning sensations in their throats and noses. They suspected these symptoms were the result of air pollution from fracking facilities that dominate the area, but regulators dismissed and downplayed their concerns. With the technical assistance of volunteer scientists at … Read more
Slashing emissions of carbon dioxide by itself isn’t enough to prevent catastrophic global warming, a new study shows. But if we simultaneously also reduce emissions of methane and other often overlooked climate pollutants, we could cut the rate of global warming in half by 2050 and give the world a fighting chance. The study, appearing … Read more
Updated October 2026: This article was originally published in June 2022 and has been expanded with additional guidance on CADR, room size, AQI conditions, fan speed, energy use, placement and air purifier safety. Most people know that air purifier filters eventually need maintenance or replacement, but there is no single interval that fits every purifier … Read more
Updated October 2026: This article has been expanded with current technical guidance, clearer limitations, additional examples and new practical visuals while retaining its original URL and core reader flow. Air purifiers are designed to improve indoor air quality, but people reasonably ask whether the device itself can cause problems. A conventional fan-and-filter purifier that is … Read more
Life-threatening arrhythmias are more common on days with highly polluted air, according to research presented today at Heart Failure 2022, a scientific congress of the European Society of Cardiology (ESC).1 The study was conducted in patients with an implantable cardioverter defibrillator (ICD), enabling the authors to track the occurrence of arrhythmias and delivery of life-saving … Read more
The health benefits of using an air purifier are vast and can include improved respiratory health, decreased allergies, and cleaner indoor air. Air purifiers work by removing dust, smoke, and other contaminants from the air. They can be used in any room in the home and can be a valuable tool for those with asthma … Read more