By Manoj Kumar N and Nandikesh Sivalingam
October saw a sharp deterioration in air quality across the country, with worsening conditions concentrated in the Indo-Gangetic Plain (IGP), particularly the NCR
Monthly ambient air quality trends in India: October 2025 air quality snapshot (pdf version)
Data sources
Ambient air quality data recorded by Continuous Ambient Air Quality Monitoring Stations (CAAQMS) is downloaded from the ‘Central Control Room for Air Quality Management – All India‘ dashboard operated by the Central Pollution Control Board (CPCB).