Q. Which of the following pollutants are monitored under NAAQS (National Ambient Air Quality Standards)?
All of the above pollutants are monitored under NAAQS (National Ambient Air Quality Standards.
Twelve pollutants are monitored under NAAQS PM10, PM2.5, NO2, SO2, CO, O3, NH3, Lead (Pb), Benzene, Benzopyrene, Arsenic and Nickel.