Delhi's air quality worsened slightly on Monday, February 9, 2026. The Air Quality Index (AQI) rose to 206 at 7 a.m., placing it in the 'poor' category, according to the Central Pollution Control Board (CPCB). This is a jump from Sunday’s AQI of 196, which was 'moderate'. On Saturday, the AQI was 213 at 8 a.m. The India Meteorological Department (IMD) recorded a temperature of 10°C early Monday, with misty weather, 97% humidity, and calm winds at 0 km/h. The worst AQI readings were in Mundka (276), Shadipur (282), and Nehru Nagar (269), among others. Other regions like Sri Aurobindo Marg (129), Lodhi Road (139), and IGI Airport (177) had comparatively better air quality. The CPCB classifies AQI as 'good' (0-50), 'satisfactory' (51-100), 'moderate' (101-200), 'poor' (201-300), 'very poor' (301-400), and 'severe' (401-500). The data shows pollution levels fluctuating across the city but trending towards poorer conditions.