Question

With reference to the National Ambient Air Quality Standards (NAAQS), consider the following statements.
$1$. These are standards for ambient air quality set by Central Pollution Control Board (CPCB).
$2$. The CPCB has been conferred this power by the Air (Prevention and Control of Pollution) Act, $1981$.
$3$. The measurement of air quality is based on eight pollutants, namely, $PM10,PM2.5,NO2,SO2,CO,O3,NH3$, and $Pb$.
Which of the statements given is/are correct?

• A. $1$ only
• B. $1$ and $3$ only
• C. $1,2$ and $3$
• D. $1$ and $2$ only

Answer 1

The correct option is C $1,2$ and $3$

National Ambient Air Quality Standards (NAAQS) are standards for ambient air quality set by Central Pollution Control Board (CPCB), applicable nation wide. The measurement of air quality is based on eight pollutants, namely, PM10, PM2.5, NO2, SO2, CO, O3, NH3, and Pb. The CPCB has been conferred this power by the Air (Prevention and Control of Pollution) Act, 1981.