> But the most depressing was a bad smell from nearby chimneys of their neighbors. Apparently they couldn't do anything about. This is fixable, but requires ce

> But the most depressing was a bad smell from nearby chimneys of their neighbors. Apparently they couldn't do anything about. This is fixable, but requires central air in the house. Just don't ever open your windows in the smog season, and have all air intake go through a set of filters (before it's pumped into the rooms) which take out all particles and smells. Not the cheapest thing to buy and install, but should solve the problem.