PM2.5 is a particulate air pollutant that poses a major health concern to humans. They are tiny pollutants measuring 2.5 microns and below. PM2.5 can enter deep into the lungs and the blood stream. Prolonged exposure to PM2.5 can cause health effects like respiratory and cardiovascular diseases. Learn more about PM2.5, the best way to protect yourself from PM2.5 and other trends here.
Bangladesh’s air pollution levels reached an average of 86 micrograms in 2019. That means Dhaka, Bangladesh’s pollution levels are almost 9 times the WHO safe limit. With such high pollution levels, many may wonder where Dhaka and Bangladesh’s pollution actually comes from. Learn more: Overview of Bangladesh & Dhaka Air …
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 …
Ever wondered which cities in India have the best air quality and AQI? The city with the best AQI and cleanest air might not be where you think. I analyzed the data from the World Health Organization’s database of annual particulate pollution (PM2.5) averages for 122 cities. Here’s what I found. …
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.
Many big purifier companies claim only their HEPA filters capture nanoparticles, like this Molekule ad. Although this claim is false, even journalists repeat this myth. Why is this belief so pervasive? What size micron is a HEPA filter? One reasonable explanation is that the definition of “HEPA” leads people down …
My intuition has always been that there is less air pollution at night because there are fewer cars on the road and fewer factories humming at that time of day. Pollution Time of Day Guesses Apparently, I’m not alone: 139 voted for their guess about what time of day has …
In the ongoing fight against air pollution, particularly in cities like Beijing, mask protection is a priority. Smart Air tested 15 masks, including N95 and N99, weighing factors such as price, comfort, and fit. Check out our recommendations and handy tips when choosing a mask that fits your needs. Does …
Can plants effectively replace air purifiers? The data suggests that plants may not excel at removing VOCs from the air. Despite a NASA study highlighting certain plants like ivy, spider plants, aloe vera, and bamboo palm as potential VOC reducers, real-home data tells a different story. Now, let’s consider the …
There are many questions around 0.3 microns and PM0.3. What exactly is a 0.3-micron filter? Why do HEPA filters claim to filter 0.3-micron particles? Can masks and HEPA filters effectively capture particles of this size? We will answer all these questions in this article. What Does PM0.3 Mean? How Big …
