Question

What are the harmful effects of $NO_{x}$ pollution?

Answer 1

i) NO is an irritant gas, which combines with air to form NO which is not considered as hazards to human health. The NO gas reacts with smog to create acid rains. The main source of ${ NO }_{ 2 }$ is the reaction between Nitrogen and oxygen at higher temperature and in urban areas from the vehicles smoke such as cars and bikes.

ii) It causes some respiratory problems to human beings.

iii) long term exposure of NO gas decreases lung functions, creates respiratory problems and certain allergies.

iv) In vegetation, the NO gas damages the leaf growth

v) It also reacts with atmosphere pollutants in presence of sunlight to form ozone which creates major problems in vegetation and humans.