உள்ளடக்கத்திற்குச் செல்
செய்திகள் SEITHIGAL
தேடல்
NDTV, India

Why Is Max AQI Capped At 500? Pollution Board Attempts To Clear The Air

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.