Archives for Friday, November 4, 2016

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. Hanoi's air is terrible. … [Read more...] about Saigon air better than Shanghai now