MadSci Network: Environment & Ecology

Re: How would temperature affect the levels of NO2 in the air?

Date: Mon May 15 12:28:26 2000
Posted By: Kelly Dennison, Staff, Environmental Science/Industrial Hygiene, Earth Tech
Area of science: Environment & Ecology
ID: 957975327.En

Hi Alana,
Temperature and humidity have no effect on the levels of NO2 in the 
atmosphere.  What will increase NO2 is plant material and vehicle 
emissions.  Also light energy can increase products of NO2 reactions such 
as NO3, N2O5, and HNO3.

Temperature and humidity do, however, may have an affect on the method you 
use to test NO2, depending on the type of detector.  High humidity (often 
associated with high temperature) may fog the detector inside and produce 
a less efficient reading.

Hope this helps and good luck with your project!

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