One reason indoor air quality is worse is the rate of dilution. If the air outside were an Olympic size swimming pool, your house would be more like a thimble of water. Pollutants simply become more concentrated inside a building.
One reason indoor air quality is worse is the rate of dilution. If the air outside were an Olympic size swimming pool, your house would be more like a thimble of water. Pollutants simply become more concentrated inside a building.