Category Archives: PM 2.5

DIY Air Purifier Bedroom Test (with real person)

At the request of a couple Expats from both Saigon and Hanoi, I decided to do a test of the DIY Air Purifier in my bedroom. My main air purifier since August, 2016, has been the BlueAir 203. BlueAir is a popular brand in Shanghai, China, so it was a good choice for me. When […]

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Accuracy of AirVisual Air Quality Reading for Saigon

Yesterday several people reported that they felt the AQI reading for Saigon was not accurate. They felt it was too low. Check the reading below : In fact, this was a reading from another AirVisual Node in Thu Duc at Riviera Villa. AirVisual will switch to the Riviera Villa reading when the US Consulate’s air […]

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DIY Vietnamese Air Purifier 6 Hour Test

Last week I conducted several tests with my DIY Air Purifer with a SmartAir HEPA filter and Vietnamese fan. The results of testing two rooms at 40 square meters was good. The next day I tested the same DIY air purifier in the test bedroom roughly 20 square meters. As you can see below, it […]

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