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Testing DIY Air Purifier on a bad air day in Saigon, Vietnam

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On Wednesday, January 3rd, 2018, Saigon (Ho Chi Minh City), experienced one of its highest PM 2.5 AQI readings with a reading of 191 early this morning. The smog was noticeable. From Hoang Dieu street in District 4, you could not see the Phu My Bridge in District 8 which was just 5 kilometers away. So where is the PM 2.5 coming from? In short, since PM 2.5 tends … [Read more...] about Testing DIY Air Purifier on a bad air day in Saigon, Vietnam

Xiaomi Air Purifer 2 Test in Auto mode

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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 ago. I can see why many would gravitate towards the Xiaomi. I even bought … [Read more...] about Xiaomi Air Purifer 2 Test in Auto mode

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

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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 micrograms. The safe US levels are 12 micrograms so my room was 3 times above the safe … [Read more...] about Four hour test of SmartAir Original DIY air purifier in Saigon (HCMC)

Cleaner Indoor Air in Saigon (Vietnam)

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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 China to Vietnam due to lower labor costs. Vietnam also … [Read more...] about Cleaner Indoor Air in Saigon (Vietnam)