Smoke. Smog. Ragweed and pollen. Car exhaust. When it comes to air quality, most people are quick to point fingers at the pollutants they come across outdoors.
But that’s not where people are spending most of their time. From homes and apartments to office buildings, hospitals, and schools, the average American spends 87 percent of their life indoors — and another 6 percent in enclosed vehicles. That means for the overwhelming majority of Americans, the air entering their bodies every day is directly impacted by the buildings that make up the environment.