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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
India's Ground Truth Record
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Kerala's Air Quality Worst in South India, Study Shows 25 Cities Failing PM10 Standards

GS3Economy · S&T · Environment · Security· Pollution (air, water, plastic)· Prelims + Mains·

Why in news

A CSTEP study revealed that Kerala has the highest local contribution to air pollution in South India, with 25 cities failing PM10 standards under the National Clean Air Programme (NCAP).

Background

The study 'Governance Framework for Airshed-Level Air Quality Management in South India' identifies Kerala as having a 65% local pollution contribution. It highlights that Tamil Nadu and Andhra Pradesh are net contributors, while Kerala and Telangana are primary receivers of pollutants.

Facts for Prelims

  • FactKerala's local contribution to air pollution in South India is 65%.
  • Fact25 cities in South India are classified as non-attainment under NCAP.
  • BodyCSTEP (Council on Sustainable Ecological Systems and Technologies) conducted the study.
  • SchemeNCAP (National Clean Air Programme) targets cities with PM10 and PM2.5 concentrations exceeding specified limits.

For Mains

Q. Discuss the challenges in managing air quality at the 'airshed' level in India. Suggest measures to improve inter-state cooperation for pollution control.

Dimensions to cover in your answer

  • inter-state coordination
  • airshed-based management
  • source apportionment
  • technological monitoring

Keywords: airshed management · non-attainment cities · source apportionment · inter-state cooperation · NCAP

Read the full news →Report a mistake in this noteSource: The Hindu ↗Also: GS1 · Places in news / mapping

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This note is generated automatically from SatyaDheesh's news feed and mapped to the UPSC CSE syllabus. Check facts against the original report or PIB before using them in an answer.