Delhi-NCR has entered its most hazardous pollution phase, with GRAP Stage 3 curbs banning non-essential construction and restricting older vehicles. Experts warn that firecrackers add to air already 'very poor' from year-round sources, and that stubble burning and stagnant winter weather could push AQI past 450, triggering Stage 4 and school closures.
Delhi braces for post-Diwali pollution spike as GRAP Stage 3 enforced
Source: NDTV