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Tag Archives: PM 2.5

Temperature Inversion Pollution in Saigon

This morning Saigon suffered yet another bad airmorning with the AQI (air quality indicator) at 162 (50 AQI and below is healthy). With cooler weather, the air pollution in Saigon tends to get worse in the morning due to temperature inversions. What is Temperature Inversion? Temperature inversion is when the surface air temperature is cooler […]

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AQBlue PM 2.5 mask

PM 2.5 masks I wear in Saigon (HCMC), Vietnam

I decided to do a post on all of the different PM 2.5 masks that I wear/wore in Saigon the past year. There are a large number of PM 2.5 masks available in both Saigon and Hanoi. Sadly, many are not real PM 2.5 masks nor do they meet N95 or N99 standards. I first […]

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DIY Vietnamese Air Purifier

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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AirVisual reading after six hours

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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