Saigon is experiencing more bad air days with PM 2.5 levels above 150 AQI. Below is a photo from my apartment to Phu My Hung. Notice that the Phu My Hung Bridge on the top photo. Below it disappears. It is only 5 km away. … [Read more...] about Good air vs bad air days in Saigon
Clean Technology
Air Quality in Long An, Vietnam
Nearly 11 months ago I took my first air quality reading in Long An about 30 km south of Ho Chi Minh City, Vietnam. I was surprised that I got an AQI reading of 41 (about 10 micrograms which is the safe level for clean air based on WHO standards). Currently at the same location I got the following reading: This is 58 micrograms or roughly 152 AQI which is unhealthy. … [Read more...] about Air Quality in Long An, Vietnam
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 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)
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)
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)