You call that AIR?

I always thought air was this clear, fresh stuff that smelled good and didn't have much feeling at all. But living in big cities has taught me otherwise.

The buildings in the distance really aren't that far away. And there are others that could be seen if our air had less stuff floating around in it. Some people have air purifiers in their house. Others have apps on their phones that tell the daily air quality. And the big majority of people just live with it.