Which of the following pollutants are covered in the Air Quality Index (AQI)?
1. Particulate Matter (PM2.5)
2. Ozone (O3)
3. Nitrogen Dioxide (NO2)
4. Methane (CH4)
5. Lead (Pb)
Select the correct answer using the code given below:
1
1, 2 and 5 only
2
2, and 4 only
3
1, 2, 3, 4, and 5
4
1, 2, 3, and 5 only