Winter is here: Delhi records coldest night in three years; AQI still very poor

Delhi experienced its coldest November night in three years, with temperatures dropping to 9C, 4.5 degrees below the seasonal average. Despite the chill, pollution levels remained severe, with the Air Quality Index reaching 377 and several areas in the 'severe' category. Authorities have implemented Stage III of the Graded Response Action Plan to combat the worsening air quality.