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Air Pollution Crisis in India

PYQs

7

Articles

1

Momentum

19

Phase IFoundation

Background

Overview

Critical for public health, economic development, environmental justice (disproportionate impact on poor), and effectiveness of environmental governance and policy implementation.

Air pollution in India, particularly from particulate matter (PM2.5), poses a severe public health and economic challenge, with the country consistently ranking among the most polluted globally. It is a complex issue stemming from various sources including vehicular emissions, industrial activities, construction dust, and biomass burning.

Phase IIStatic core

Facts & tables

Key facts

National PM2.5 Average

48.9 µg/m³ (nearly 10 times WHO's safe limit)

Mortality in 2022

Over 1.7 million Indians (38% increase since 2010)

Economic Cost in 2022

$339.4 billion (9.5% of GDP)

Life Expectancy Reduction

3.5 years off average Indian life, up to 8.2 years in Delhi

Reference table

Static syllabus anchors

TypeReference
Conceptual areaEnvironmental Law & Policy

Reference table

Institutions & roles

BodyRole
National Clean Air Programme (NCAP)Policy framework
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Statement-based questions

Prelims angle: Conceptual understanding

Quick revision

  • India is the 6th most polluted country (PM2.5 average 48.9 µg/m³).
  • 1.7 million deaths in 2022, costing 9.5% of GDP.
  • NCAP aimed for 40% pollution cut by 2025-26, but largely failed.
  • Poor fund utilization, focus on road dust over combustion sources.
  • Disproportionate impact of pollution on the poor.

High-confidence PYQs

2025Factual recall, Conceptual understanding

Artificial way of causing rainfall to reduce air pollution makes use of

Environment & EcologyOpen question
2023Multi-statement analysis, Factual recall

Consider the following statements regarding Mercury pollution : 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal ...

Environment & EcologyOpen question
2022Statement-based questions, Conceptual understanding

In the context of WHO Air Quality Guidelines, consider the following statements: 1. The 24-hour mean of PM2.5 should not exceed 15 ug/m³ and annual mean of...

Environment & EcologyOpen question
2020Multi-statement analysis, Factual recall

Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished ...

Environment & EcologyOpen question
2017Statement-based questions, Factual recall

Consider the following statements: 1. Climate and Clean Air Coalition (CCAC) to Reduce Short-Lived Climate Pollutants is a unique initiative of G20 group o...

Environment & EcologyOpen question
2016Factual recall, Multi-statement analysis

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index? 1. Carbon d...

Environment & EcologyOpen question
2013Factual recall, Conceptual understanding

Acid rain is caused by the pollution of the environment by -

Environment & EcologyOpen question

Topic timeline

Environmental Law & Policy
Prelims 2013· Factual recall, Conceptual understanding

Acid rain is caused by the pollution of the environment by -

Open question
Prelims 2016· Factual recall, Multi-statement analysis

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index? 1. Carbon d...

Open question
Prelims 2017· Statement-based questions, Factual recall

Consider the following statements: 1. Climate and Clean Air Coalition (CCAC) to Reduce Short-Lived Climate Pollutants is a unique initiative of G20 group o...

Open question
Prelims 2020· Multi-statement analysis, Factual recall

Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished ...

Open question
Prelims 2022· Statement-based questions, Conceptual understanding

In the context of WHO Air Quality Guidelines, consider the following statements: 1. The 24-hour mean of PM2.5 should not exceed 15 ug/m³ and annual mean of...

Open question
Prelims 2023· Multi-statement analysis, Factual recall

Consider the following statements regarding Mercury pollution : 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal ...

Open question
Prelims 2025· Factual recall, Conceptual understanding

Artificial way of causing rainfall to reduce air pollution makes use of

Open question

Environmental catastrophe will be a tragedy authored by everyone

05 Jun 2026 · India faces a severe air pollution crisis, with high PM2.5 levels leading to significant mortality and economic costs. Despite policies like NCAP, implementation failures and misdirected efforts persist, exacerbating health and environmental burdens.

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