Here's a photo of a typical gray winter day in Taiwan. There was a period or a couple of weeks where I didn't see any blue in the sky at all.

It eventually cleared up, but after the clouds were gone it was possible to see the pollution:

Despite that I really like the city...










Blue skies over Taiwan???
I went to Kaohsiung during winter for my brother's wedding reception. That city has to be the most polluted city I've ever seen since Beijing... Even trumps Seoul by a longshot!
Kaohsiung
Kaohsiung is very polluted. I was there for just one night, but my throat was burning from the air pollution. An English teacher there said, "you get used to it after a few days." I left before that... :)