PM2.5 air quality monitors used to cost thousands of dollars. But in recent years, there has been an explosion in lower-cost options such as the Qingping (QP) air quality monitors. So how reliable and accurate is a lower-cost air quality monitor at measuring PM2.5? Are the QP air quality monitors …
Many air purifier companies add fancy features to help market their products. One of these features is an air purifier auto mode, also called “smart mode”. The problem? Test data shows an air purifier’s auto mode routinely fails, leaving users with dangerous air. The idea behind smart purifiers’ auto mode …
Xiaomi air purifiers, such as the Xiaomi Mi 3H and 3C are some of the most popular air purifiers on the market. Many rely on Xiaomi’s auto mode to keep their homes clean. The problem? Our tests show the Xiaomi Mi 3H and other Xiaomi air purifier auto modes do …
COVID-19 has caused a surge in interest for all types of masks, including Japanese Pitta masks. Smart Air has received a flood of questions about how well they filter COVID-19 and other viruses. The Japanese Pitta masks are sleek and incredibly popular, but there’s little information available on how well …
New Dyson Pure Cool TP04 tests show the purifier reduced indoor PM2.5 pollution levels by just 49% in a typical size room. This data adds to a growing amount of reviews and tests showing the Dyson air purifier underperforms purifiers far cheaper than it. Dyson Pure Cool TP04 Test: Marketing …
The Xiaomi Mi 2 air purifier – a good cheap and effective air purifier? Ever since I coughed through a Beijing airpocalypse, I’ve been saying clean air doesn’t need to cost an arm and a leg. I even set up Smart Air to provide low-cost purifiers to people around the …
Dyson’s Pure Cool air purifier looks impressive. However a review of its clean air rating (CADR) reveals this filter does a poor job of providing clean air – the Dyson TP05 Pure Cool’s CADR comes in at just 164m3/hr. That means the Dyson Pure Cool air purifier out as much …
In recent months, the Japanese Pitta masks have seen a surge in popularity in Chinese cities like Beijing and Shanghai, as well as in India, the US and South Korea. They look sleek, but I wanted to review whether the Pitta masks actually work, and how effective is the …
I started thinking about finding the best air purifier for my home because I was living in Beijing when the “airpocalypse” struck. I had a cough I couldn’t shake for weeks, so I started doing research into air purifiers. Unlike another answer here, I wasn’t concerned about allergens …
When I started building DIY air purifiers in Beijing to protect my lungs from this… …I wanted to test the air in my home, but particle counters were really expensive. Most cost around $1,000 or $2,000 dollars. But then there was the Dylos, which I bought …
