Again I am surprised by how poor the air is in both Ho Chi Minh City and Hanoi. I expected it to be better in the rainy season. Consistently Shanghai's air has been cleaner than the air in Ho Chi Minh City. This was not expected especially with a constant wind blowing in the city. I hear that factories are moving to Vietnam from China due to lower labor costs. Maybe this is … [Read more...] about Vietnam and Bad Air Quality