Category Archives: PM 2.5

SmartAir Original DIY air purifier in comparison to Xiaomi Air Purifier 2

Xiaomi Air Purifer 2 Test in Auto mode

The Xiaomi Air Purifier 2 currently seems to be one of the most popular air purifiers in Vietnam. Costing only 2.6 million VND, this makes the Xiaomi Air Purifier 2 a good value. Replacement filters are around 600,000 VND. My personal air purifier, a BlueAir 203, cost me about $500 USD in Shanghai a year […]

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SmartAir Original Fan and SmartAir HEPA filter

Four hour test of SmartAir Original DIY air purifier in Saigon (HCMC)

Last week, Saigon woke up to unhealthy air measuring 156 AQI at the US Consulate or roughly 65 micrograms. This gave me an opportunity to test my SmartAir Original DIY fan and HEPA filter in my other room. As you can see from the photos below, LaserEgg gave an AQI reading of 95 or 32 […]

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AirVisual Node with July 15, 2017, AQI reading in Saigon, Vietnam.

Cleaner Indoor Air in Saigon (Vietnam)

After four years out of Vietnam, I have finally returned “home” to Saigon. There have been much changes to the city. Development seems quite higher than when I first left in 2013. You see new apartment buildings and shopping centers across the city. More cars and motorbikes clog the streets. More factories have moved from […]

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Hanoi AQI is horrible

Climates wise Hanoi is probably comparable to Shanghai. Seems that more factories have relocated from China to Vietnam, specifically outside of Hanoi. Hence when comparing the airs between the two cities, people in Hanoi should be shocked. See below: Remember, readings inside homes and apartments will be higher than outside. Below is the same reading […]

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