If buying an air purifier is the first step to breathing clean air, the second step is knowing how to use it best! Here are the 4 most important things to know about how to use an air purifier—based on data, not intuition. 1. Note down the date of purchase HEPA filters have a […]
Tag: indoors
Smart Air Indoor Air Quality Audit in 3ESpace
Date of audit: 27/05/2017 Audit conducted by: Yap Choon Khin Paddy Robertson Air quality monitor: Dyloc DC1700 Pro AirVisual Node Audit location: 3ESPACE, Beijing Jiaodaokou, Xinhua New Culture Building, 5th floor Air quality measurement outside premises: 115 µg/m3 Corresponding Air Quality Index (outdoors)[1]: 182 Air quality inside premises: 70 µg/m3 Corresponding Air Quality Index (indoors): […]
How much pollution do we breathe every day?
How much pollution do we actually breathe in every day? Are masks or air purifiers more benefiting to our health? Do we really need both? The answer to this comes down to how and where we are spending most of our time every day. There are two possible theories: masks might seem more effective since when […]

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 […]

How Safe is Indoor Air?
I recently did some research on whether indoor air is as bad as outdoor air. Before that, I had a conversation with a friend in Beijing that went something like this: Friend: I’m not sure if I can make badminton tomorrow. I have a basketball game in the day. Me: Oh man, do you play outside? […]