Fog envelopes Delhi, air quality dips to 'moderate' category

New Delhi, Jan 25 (ANI): Layer of fog engulfed New Delhi on January 25. Minimum temperature will remain at around 8 degree Celsius. According to AQI, major pollutants PM 2.5 and PM 10 were at 131 and 174 respectively both in 'moderate' category, in Lodhi Road.