Study reveals increased nitrogen dioxide exposure in smaller homes with gas stoves.

A recent study has investigated indoor exposure to nitrogen dioxide (NO2) in American households, particularly from the use of gas stoves. The findings suggest that short-term NO2 exposure from typical gas stove use often exceeds recommended benchmarks set by the World Health Organization and the United States Environmental Protection Agency. In fact, using a gas stove can increase NO2 levels to 75% of the WHO's standard for indoor and outdoor exposure, even when other sources of pollution are avoided. The study measured air pollution in homes across five states and Washington D.C., revealing that NO2 concentrations often breach health benchmarks within an hour of gas stove use, including in bedrooms.