Asthma Trigger: Nitrogen Dioxide (combustion by-product)

Trigger: Nitrogen dioxide – An odorless gas that can irritate your eyes, nose, and throat and may cause shortness of breath.

Where Found: Associated with gas cooking appliances, fireplaces, woodstoves, and unvented kerosene and gas space heaters.

What Can You Do?

• Limit exposure to wood smoke.
• Make sure all heating and cooking appliances are properly ventilated.

Image from http://www.ehhi.org/woodsmoke/wood_smoke_testimony310_all_clip_image002.jpg