Delhi's Air Quality Plunges to 'Very Poor' Again; Smog Returns with AQI at 355

• Delhi's air quality deteriorated to the 'very poor' category on Saturday morning, with an overall AQI of 355.
• Several areas including Anand Vihar, Jahangirpuri, Narela, Rohini, and Shadipur recorded 'severe' AQI above 400.
• The city's air quality showed a clear downward trend, rising from 234 on Thursday to 332 on Friday.
• Calm wind conditions and an approaching western disturbance are cited as reasons for the spike in pollution levels.
• Pollution levels are expected to remain elevated in coming days, with a yellow alert issued for moderate to dense fog.

Why It Matters: Delhi's air quality worsened to 'very poor' and 'severe' in parts, with high pollution expected due to weather.