How to Identify Indoor Air Quality Problems

04/27/2009 05:12 am ET | Updated May 25, 2011

People complain when smog lies thick over a city. They complain when a factory or plant pumps curling, black smoke into our air. It is ironic then that the air quality of our homes often gets overlooked. The majority of our breathing is done inside. And our inside air can be just as polluted. How can you tell if your air is quality air? According to the EPA, there are three basic methods.

1. Canary in a Coal Mine

Are you feeling ill? Do you have unexplained health problems after:


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