If you’ve walked down 4th Street in San Francisco these days, you’ve probably been hit with a massive dust cloud from all the construction — and seen a bunch of people trying to breathe through their shirts or covering their mouths. Air quality is a huge issue these days and zeroing in on the worst spots in the city is probably one of the best things you can do to figure out… Read More
Air Map helps you navigate your city through the best air quality spots
