SSC Selection Post 2025 PYQ — Question 8

Correct Answer

Good

Explanation

The Air Quality Index (AQI) is a tool used by government agencies to communicate to the public how polluted the air is or how polluted it is forecast to become. In India, the AQI is categorized into six levels to make it easy for the public to understand. The 'Good' category, which represents the cleanest air quality, is assigned an AQI value range of 0 to 50.

Key Points

The AQI values and their corresponding categories in India are as follows: 0–50 is Good, 51–100 is Satisfactory, 101–200 is Moderate, 201–300 is Poor, 301–400 is Very Poor, and 401–500 is Severe.

Important Questions and Answers

Question: Which organization in India is primarily responsible for monitoring and reporting the National Air Quality Index?

Answer: The Central Pollution Control Board (CPCB).

Question: What does an AQI in the 'Severe' category imply for public health?

Answer: It implies that the air quality is extremely hazardous and can have serious health impacts even on healthy people, and potentially severe impacts on those with existing respiratory or cardiac conditions.