Toxic white foam reappears on Yamuna River as Delhi-NCR AQI hits 168
GS3Economy · S&T · Environment · Security· Pollution (air, water, plastic)· Prelims + Mains·
Why in news
The Commission for Air Quality Management (CAQM) invoked Stage 1 of the Graded Response Action Plan (GRAP) as Delhi-NCR AQI hit 168 and toxic white foam reappeared on the Yamuna River.
Background
Toxic white foam was observed on the Yamuna River near Kalindi Kunj. The CAQM invoked Stage 1 of the GRAP on October 21 due to an AQI of 168 in Delhi-NCR.
Facts for Prelims
- BodyCAQM: Commission for Air Quality Management is thebody responsible for air quality management in Delhi-NCR
- FactAQI: The Air Quality Index reached 168 in Delhi-NCR on October 21
- PlaceKalindi Kunj: Location near Delhi where toxic white foam was observed on the Yamuna River
- SchemeGRAP: Graded Response Action Plan is a set of measures to tackle severe air pollution
For Mains
Q. Discuss the institutional and infrastructural challenges in managing river pollution and air quality in the Delhi-NCR region.
Dimensions to cover in your answer
- Regulatory gap: Coordination hurdles between state and central bodies in enforcing GRAP measures
- Waste management: Inadequate sewage treatment infrastructure leading to high organic load in Yamuna
- Policy trade-off: Balancing rapid urban expansion with ecological rejuvenation of river basins
Keywords: Graded Response Action Plan · Air Quality Index · River Rejuvenation · Environmental Governance · Pollution Mitigation
More Environment & Ecology notes
- Neelakurinji blooms and endangered Nilgiri tahr viewable via MUVs for ₹1,250 per person · 25 October 2026
- IMD warns very severe cyclonic storm to hit Andhra Pradesh by October 28 forenoon · 25 October 2026
- Free-ranging dogs pose serious threat to vultures at Bikaner livestock carcass dumpsite · 25 October 2026
- Mumbai AQI hits 322 as Bombay High Court declares emergency over health complaints · 25 October 2026
- Delhi winter mean AQI rose from 280 in 2022-23 to 304 in 2023-24 · 24 October 2026
- The India Meteorological Department (IMD) reported a low-pressure area · 24 October 2026
Something wrong, or something missing?
Spotted a mistake in a note, or want a topic, format or PDF that would help your preparation? Write to us. We read every mail and fix errors fast.
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.