The CPCB has now broken its silence and issued a clarification on the core mechanics of India's National Air Quality Index (NAQI) framework, its design methodology, and its international alignment. Most of the missing air quality data from Delhi Pollution Control Committee (DPCC) monitoring stations on Diwali night has been updated, revealing dangerously. The CPCB clarified why its AQI readings differ from private apps during extreme pollution episodes.