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

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. […]

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