New Delhi [India], February 6 : The air quality in Delhi improved slightly on Friday morning, with the overall Air Quality Index (AQI) recorded at 226 at 8 AM, remaining in the poor category, according to Central Pollution Control Board (CPCB) data.
While the air quality improved from Thursday, when it was recorded at 241, several areas of the national capital remained in the 'poor' category and were blanketed by a thin layer of fog this morning.
According to CPCB data, areas including Anand Vihar (261). Ashok Vihar (259), Chandani Chowk (240), Dwarka Sector 8 (273), RK Puram (271), and Okhla Phase 2 (262) remained in the 'poor' category.
Furthermore, DTU (228), Bawana (266), Sonia Vihar (262), Rohini (268), and Shadipur (280) also remained in the 'poor' category.
Meanwhile, numerous areas also witnessed considerable improvement in air quality, with AQI in the 'moderate' category.
The IGI T3 (148), Mathura Road (183), Pusa (190), North Campus (202) and Lodhi Road (157) saw considerably better AQI, as compared to industrial areas.
As per AQI classification, a reading between 0 and 50 is 'good', 51 to 100 'satisfactory', 101 to 200 'moderate', 201 to 300 'poor', 301 to 400 'very poor' and 401 to 500 'severe'.
Despite this improvement, a thin layer of smog persists in parts of the city, and overall air quality remains poor.
Earlier on Thursday, several areas in the capital recorded the 'very poor' air quality, including Anand Vihar (332), Bawana (306), Ashok Vihar (320), Dwarka Sector 8 (328), RK Puram (314), Rohini (322) and Patparganj (307).
However, some areas of the city had better air quality than others. For instance, Aya Nagar recorded an AQI of 214, Chandni Chowk (218), and Sonia Vihar (299) experienced improved air quality, though the levels still fell within the 'poor' category.

The Indian Meteorological Department (IMD) recorded Delhi's temperature to be at 9.4 degree celsius. There has been a rise in the minimum temperature up to 1-2°C and no large change in the maximum temperature during the past 24 hours.