The deterioration had prompted the Commission for Air Quality Management (CAQM) to invoke Stage 1 of the Graded Response Action Plan (GRAP) across Delhi-NCR on October 21 to curb air pollution.
A thick layer of toxic foam covers the Yamuna river surface amid haze in New Delhi
Toxic Foam Returns To Yamuna As Delhi-NCR Air Quality Slips To ‘Unhealthy’
Oct 25, 2026 | 1:13 AM
