Air Pollution MCQ with answer and solution

Concept

CPCB AQI has six categories based on index range.

Step-by-step solution

1. Recall CPCB AQI ranges. 2. 0-50 Good, 51-100 Satisfactory, 101-200 Moderate. 3. 201-300 Poor, 301-400 Very poor, 401-500 Severe. 4. So 201-300 is Poor.

Explanation

In the Indian National AQI, the range 201-300 is called Poor. People may feel breathing discomfort on long exposure in this range.

Why the other options are wrong

A: Satisfactory is 51-100. B: Moderate is 101-200. D: Very poor is 301-400.

Shortcut

Remember ranges: 50, 100, 200, 300, 400, 500 = Good, Satisfactory, Moderate, Poor, Very poor, Severe.

Common mistake

Mixing Poor (201-300) with Very poor (301-400).