Air Quality Test Kits
The following products are inexpensive ways to test the quality of your air. The Ozone monitor is a patch that changes color in the presence of ozone. The Air Quality Test kit is a petri dish test for microbials.
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Air Quality Test Kit (2 per kit)
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This test kit will give you a good idea of general air quality in your home or allow you to conduct a before and after test. Each test kit contains two petri dishes, two bottles of Easygel , color brochure on air quality and detailed instructions. After exposing the test kit to air for 1 hour you place it in a room temperature and low light space for 3 days or more.  A dresser works good.  After 3 days view the test to see how much bacteria,  mold, yeast, fungus etc. has grown.

Personal Portable Ozone Monitor
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The Eco Badge® Personal Portable Ozone Monitor is compact and easy to use. It can be clipped to your shirt or jacket, our placed near an air purifier that emits ozone. With the Eco Badge® you'll take two readings: a one-hour peak exposure and an eight-hour average exposure, calibrated in ranges of 10 ppb to 350 ppb. It's compact, easy to use, and requires no special apparatus or chemicals. Wear it proudly. Tell the world you're concerned, environmentally aware, and leading the fight against airborne pollutants. The kit comes with 4 badges and a ozone indicator chart.