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What is Indoor Air Quality? Air pollution surrounds us daily . . . car exhaust, smog, indoor air. Indoor air? Yes, indoor air quality is important to your health, and in today's homes, the air can be up to 70% more polluted than the outside air. The American Lung Association estimates that most people spend 90% of their time indoors. So clean, healthy indoor air is important. ·
What Causes Indoor Air Pollution?
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