Translation of quail in Spanish

On the drive into the city center we were a little shocked by the amount of motorcycles, by the pollution and stress in that city. After only two days in a small village we forgot how it was.
Hey. You are online! Pollution means that the air is filthy and that it is hard to breathe. I'm getting much better at German, so please correct me when I am wrong in my language. You're English is actually great.
All taxi drivers recommended that we stay in the hotel, watch TV, refrain from physical effort and drink Mate tea in order to get used to the altitude. We made the mistake and didn't listen to them