Question
Environmental Studies Question on Monitoring the atmosphere
Which of the following are essentially required for photochemical smog formation in ambient atmosphere?
A
Smoke, water vapour and low temperature (> 25 degrees)
B
NOx, SO2 and high temperature (> 25 degrees)
C
NOx, VOCs and high temperature (> 25 degrees)
D
Smoke, NOx and low temperature (< 25 degrees)
Answer
NOx, VOCs and high temperature (> 25 degrees)
Explanation
Solution
Photochemical smog requires NOx, VOCs, and high temperatures.