The Times of India. Lucknow: People in the city woke up to a hazy sky on Friday as morning mist combined with pollutants led to the formation of smog. The wind speed was slow and thus aerosol (pollutants combined. A thick layer of smog continued to engulf Delhi on Thursday morning as the national capital recorded an average AQI of 314, placing it in the ‘very poor’ category, according to CPCB data.