Which of the following types of particulate matter pollutants are used in…
2020
Which of the following types of particulate matter pollutants are used in calculation of Air Quality Index (AQI)?
(A) TSP (Total Suspended Particles)
(B) PM 10 (Particulate matters of size 10 micron or less)
(C) PM 2.5 (Particulate matter of size 2.5 micron or less)
(D) PM 1 (Particulate matter of size 1 micron or less)
Choose the correct answer from the options given below:
- A.
(B), (C) and (D) only
- B.
(A) and (B) only
- C.
(B) and (C) only
- D.
(A), (B) and (C) only
Attempted by 3 students.
Show answer & explanation
Correct answer: C
AQI calculations include particulate matter indicators such as PM10 and PM2.5. TSP and PM1 are not the standard pair asked for in this MCQ.