Air pollution is one of the leading causes of death in India. So which cities in India are the most polluted? Smart Air analyzed 2021 air pollution data for dozens of Indian cities to generate the 2022 ranking of the “20 Most Polluted Cities in India”. Scroll down below for …
The Smart Air team is all about open data – not only do we run independent tests, but we also run real-life tests! Recently, a UK customer shared her experience of purchasing a QT3 portable air purifier for her clinically vulnerable son to use at his school. The response was staggering – …
When we initially designed the QT3, we aimed to create a portable air purifier with the highest CADR (clean air delivery rate), while doubling it up as a fan. But after listening to our users and how they use their QT3, we decided to make some improvements. A Gap or …
3M has been selling air conditioner (AC) filters that can be added to the inlet of ACs for some time now. 3M markets them as being simple and easy to attach, and a great way to reduce PM2.5 in homes without an air purifier. But do they actually work? How …
Researchers have tested the air pollution released by incense sticks, and it’s not pretty! Frankincense, myrrh, and nag champa incense are often used in these sticks. Although you may enjoy the scent, these incense sticks can be quite dangerous to your health. The burning of incense sticks releases two dangerous …
Fireworks are everywhere during Diwali. So that got me thinking: just how much air pollution does Diwali create in India? We tracked the data the published PM2.5 data for 2021 Diwali, and share the results of our own tests as well. Testing Diwali Air Pollution in Delhi The Smart Air …
Data shows that improving indoor ventilation can reduce the risk of virus transmission, and is recommended by the CDC. In this article, we’ll cover the ASHRAE recommended air changes per hour for offices, homes, schools, residential and hospitals, using the ASHRAE 62.1 and 62.2 guidelines. ASHRAE Recommended Air Changes Per …
Surgical masks are designed to be worn in one direction only. However, it can be difficult to know which way round a medical face mask should go. Should the blue side face out, or in? Some surgical masks are white all over, which way round should these white face masks …
Covid-19 has led to a new surge in interest in how to clean and disinfect masks. Google searches for “wash N95 mask” and “wash KN95 mask” have sky-rocketed. Yet data-backed answers seem to be in short supply. The standard guidelines say to throw masks out and use new ones. I.e. …
Blueair air purifiers such as the Blueair Blue Pure 211 and 411 models are some of the most popular air purifiers on the market. Yet there is confusion about whether Blueair air purifiers use ionizers and produce ozone. In some sections of their website, Blueair avoids answering the question directly, …
