New Delhi : A thick layer of fog enveloped Delhi and adjoining areas on Wednesday morning, leading to low visibility in several areas, affecting vehicular movement and disrupting flight operations at the airport. The dense fog also pushed the air quality back into the "severe" category, with the city recording an Air Quality Index (AQI) of 407. The AQI hovered between 350 and 450 in most parts of the national capital, according to the Central Pollution Control Board (CPCB). According to CPCB standards, an AQI between 0 and 50 is considered "good", 51 to 100 "satisfactory", 101 to 200 "moderate", 201 to 300 "poor", 301 to 400 "very poor", and 401 to 500 "severe". Weather forecast for Delhi-NCR on Dec 31 and Jan 1 The India Meteorological Department (IMD) has issued a yellow alert for moderate to dense fog on December 31. According to the weather office, light rain or drizzle is expected in several parts of the plains, including the capital, on January 1, which is likely to bring the...
- Siddhi Gaharwar
- Updated on: Dec 31, 2025 | 09:24 AM