Saigon air better than Shanghai now

Well, with winter coming to Shanghai soon, I was warned that the pollution of the air will get worse. Though I am not in Shanghai now, the air is quite bad. I will probably need to wear my mask there when I return Sunday.

I brought some 3M PM2.5 masks for a friend. I will bring more and some air purifiers next month to Saigon.

AQI for Saigon, Hanoi and Shanghai

AQI for Saigon, Hanoi and Shanghai


Hanoi’s air is terrible. 

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