Relevance: GS Paper III – Environment & Ecology (Pollution and Public Health); Source: The Hindu, The Indian Express
Context & News
Recent studies have highlighted that indoor air pollution in Indian homes is often 2–5 times worse than outdoor air, posing a serious but under-recognized public health challenge. With people spending nearly 90% of their time indoors, experts are calling for India-specific indoor air quality standards and greater policy focus on domestic pollution sources.
What is Indoor Air Quality (IAQ)?
Indoor Air Quality (IAQ) refers to the air condition inside buildings and its impact on human health and comfort.
|
Major Indoor Pollutants |
Sources |
| PM2.5, PM10 | Cooking, candles, outdoor infiltration |
| Carbon Monoxide (CO) | Biomass fuel, tobacco smoke |
| Nitrogen Oxides (NOx) | Gas stoves, heaters |
| Volatile Organic Compounds (VOCs) | Paints, cleaning agents, furniture |
| Biological contaminants | Mould, pet dander, pollen |
Poor IAQ contributes to asthma, COPD, cardiovascular issues, and developmental disorders.
India’s Context
|
Factor |
Concern |
| Cooking fuels | Over 40% of rural households still rely on biomass and solid fuels. |
| Urban buildings | Poor ventilation and sealed interiors trap pollutants. |
| Regulatory gap | No national indoor air quality standards yet exist. |
| Limited awareness | Most people remain unaware of indoor sources and solutions. |
Government Efforts & the Way Ahead
|
Challenges |
Suggested Measures |
| Absence of IAQ standards | Develop India-specific IAQ index and norms |
| Biomass dependency | Promote clean cooking fuels under schemes like Ujjwala Yojana |
| Poor ventilation | Update building codes for airflow and natural lighting |
| Public unawareness | Conduct awareness campaigns and indoor monitoring drives |
Aligns with SDG 3 (Good Health and Well-being) and SDG 11 (Sustainable Cities and Communities).
UPSC Prelims Practice Question
With reference to indoor air pollution in India, consider the following statements:
- Indoor air in Indian households can be more polluted than outdoor air.
- The National Clean Air Programme (NCAP) comprehensively covers indoor air standards.
- Biomass fuel use is a major cause of indoor air pollution in rural India.
Which of the above statements are correct?
(a) 1 and 2 only (b) 1 and 3 only (c) 2 and 3 only (d) All of the above
Answer: (b) 1 and 3 only
One-line Wrap:
India’s clean air mission must move indoors — tackling hidden household pollutants through better fuels, ventilation, and awareness to secure healthier homes.
Share This Story, Choose Your Platform!
Start Yours at Ajmal IAS – with Mentorship StrategyDisciplineClarityResults that Drives Success
Your dream deserves this moment — begin it here.
