Have you ever noticed an unpleasant smell at your gym? That could be a sign of something more concerning: poor air quality. While going to gyms makes you healthier, the air inside may not be as clean as we think. So, how bad is the air you breathe during your …
As winter arrives, many people get colds, flu, and other respiratory infections. But why do we get sick more often during these colder months? Research helps explain how cold weather can weaken our immune defenses. Problem #1: Cold Air Our nose is the primary entry point for respiratory viruses and …
Current air regulations regard all PM2.5 air pollution as equally hazardous. However, recent studies indicate that particulate matter from wildfire smoke is considerably more toxic than that found in typical outdoor air pollution. This suggests that wildfire smoke could be much more harmful than what current air quality indexes reflect. …
Smart Air has identified the “10 Most Polluted Cities in Germany” based on 2023 data. If you’re in Germany and concerned about air quality, this article is for you! Scroll down to see the complete list of Germany’s most polluted cities along with their annual PM2.5 levels in micrograms per …
The costs of replacement HEPA filters for air purifiers can quickly add up. A quick search on Amazon reveals some HEPA filters that cost hundreds of dollars. Should HEPA filters cost this much? Put simply: No! Read on to learn why HEPA filters shouldn’t be expensive, but why some companies …
Every year, as winter blankets India, over a billion people find themselves navigating through streets filled with toxic, polluted air. Whether in Delhi, Mumbai, Kolkata, or Hyderabad, the question on everyone’s mind becomes: Do face masks and air pollution masks truly offer protection? Throughout India, I’ve encountered intelligent, skeptical individuals …
Wearing masks for hours on end has led some people to worry about whether N95 masks deprive us of oxygen. Scientists have actually made people wear N95 masks and measured their blood oxygen. So we have a solid answer to this question, and it’s not what this question assumes. This …
When I was coughing through Beijing’s airpocalypse and thinking about buying an air purifier, I wanted to know something first–do air purifiers really remove PM2.5? I wondered because I saw lots of air purifier tests on pollen, but pollen is generally 10 microns or larger, whereas I was really concerned …
Millions of people live with chronic illnesses, including asthma, cancer, auto-immune conditions, and long-COVID, and they all face an invisible threat: poor indoor air quality. Plum Stone, founder of The Safer Air Project, is on a mission to change that. Discover how Plum’s new charity fights for safer air in all buildings, protecting everyone’s health. Tune in to learn how we can all breathe easier, together.
Data shows that improving indoor ventilation can reduce the risk of virus transmission, and is recommended by the CDC. But what are the recommended air changes per hour for different spaces? In this article, we’ll cover the recommended ASHRAE recommended air changes per hour for offices, homes, schools, residential and hospitals, using …
