We’ve shipped over 50,000 of our simple, effective, no-nonsense DIY air purifiers since launching. That’s a lot of clean air, for a fraction of the market average price. In 2017 we launched the Blast and Blast Mini purifiers, which pump out huge amounts of clean air at very low noise levels. The DIYs are great […]
Tag: China
This One Region in China Saw a Pollution Miracle in 2018
New analysis from Smart Air shows that China is making progress on its “war on air pollution.” PM2.5 air pollution was down in 14 out of China’s 15 largest cities. Yet one region saw far more progress than the rest. South Sees Modest Air Quality Gains In southern China, from Shanghai to Shenzhen, […]
China’s 15 Biggest Cities Saw Better Air in 2018 — Except This One
A new analysis of air quality from 15 of China’s largest cities shows that PM2.5 fell in all cities—except one. From Shenzhen to Xi’an, air pollution was down in 2018. Yet Zhengzhou, capital of Henan province, actually saw pollution rise 7%. With this increase, Zhengzhou now averages over 6 times the World Health […]
Did Beijing’s Air Get Better in 2018?
Analyzing new air quality data, Smart Air found that Beijing’s PM2.5 dropped 14% in 2018 compared to the year before. Despite the improvement, Beijing still averages nearly five times the World Health Organization’s annual limit. Improvement Came Mostly from Winter Enforcement By breaking down the data month by month, analysis shows that the air quality […]
Do we need car air purifiers?
Car air purifiers sound like a great idea. Soon after I started making DIYs, people emailed me asking if we could make a DIY for their car. My initial reaction was, “Great idea!” On the highways, we’re surrounded by all of that awful pollution. Best to get a car air purifier. But as a methodical […]
Shanghai Test: Is indoor air better than outdoor air?
When I got my very first particle counter, I tested sites around Beijing to see whether indoor air quality was better than outdoors. It was. But that test had some limitations. My first particle counter didn’t have a battery, so I had to estimate outdoor particulate in some locations. I also didn’t look into any […]