Where should I place my air purifier? It’s a common question every air purifier owner has. Where to position an air purifier can be a difficult decision. How does position affects its performance? Is it best to put an air purifier next to a wall? This post answers the question … Read more
How was Kolkata’s air quality in 2020? Did Kolkata’s air quality improve in 2020 compared to recent years? Air pollution in 2019 averaged levels nearly 7 times the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air dove into the data to see if there was any improvement … Read more
How was Delhi’s air quality in 2020? Did Delhi’s air quality improve in 2020 compared to recent years? For the previous three years, Delhi has seen little improvement in air quality. Air pollution levels have hovered around 10x the World Health Organization’s (WHO) recommended limit for PM2.5 levels. Smart Air … Read more
In 2005, the World Health Organization (WHO) released its most recent guidelines on safe air quality and pollution levels. The problem? More recent research shows these WHO air quality recommendations are actually NOT safe. What Are the WHO Recommended Safe Air Pollution Levels? The WHO gives recommendations for 5 air pollutants: PM2.5, … Read more
Smoke from wildfires is a serious health concern. So questions often come up: How far can wildfire smoke travel? Can someone in New York be affected from the California wildfires thousands of miles away? Do Australian bushfires affect the entire country? During the ravaging California wildfires in September of 2020, … Read more
Air pollution affects all of us, including children. In recent years, more research has been done on how air pollution affects children’s health and the results are scary. In fact, the WHO recently published a 172 page paper on the damaging effects air pollution has on children. They started the … Read more
I often get asked questions about double masks: “Is wearing two masks better than one?” and “Does doubling mask layers increase effectiveness?” It would make sense that the more layers you wear, the safer you are, right? Even director of the NIH Dr. Anthony Fauci has said it seems like … Read more
A peer-reviewed study from the University of Texas finds that ionizers increase air pollution, creating formaldehyde, ozone, and particulate. This data contrasts sharply with claims from air purifier companies that market ionizers as magical machines. One company in China claims that their machine’s negative ions “remove PM2.5 particulate pollution and … Read more
Did India’s air quality improve in 2020? How did COVID-19 affect air quality in India? Smart Air analyzed 2020 India air pollution data for five of India’s major cities: Delhi, Mumbai, Kolkata, Chennai, and Hyderabad. 2020 India Air Quality Report Of the five major Indian cities analyzed in 2020, all … Read more
The up-to-date research on the health effects of air pollution have discovered a surprising finding–low levels of air pollution are actually more harmful than higher levels. This data has potentially important implications for people living in relatively “clean” cities like New York and London. My Intuition About Air Pollution’s … Read more
