Delhi AQI Very Poor; Orange Fog Alert Issued
Delhi Air Quality and Weather Update – December 28, 2025
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Delhi experienced “very poor” air quality on Sunday, December 28, 2025, with an overall Air Quality Index (AQI) reading of 390. According to data from the Central Pollution Control Board (CPCB), 19 monitoring stations across the city reported “severe” conditions, with Anand Vihar registering the highest AQI of 457.The remaining stations recorded “very poor” levels.
Understanding AQI Levels
The CPCB categorizes air quality as follows: 0-50 is “good,” 51-100 is “satisfactory,” 101-200 is “moderate,” 201-300 is “poor,” 301-400 is “very poor,” and 401-500 is “severe.” Thes classifications are crucial for public health advisories and understanding the immediate risks associated with air pollution.
Temperature and Humidity
Delhi’s minimum temperature dipped to 6.3 degrees Celsius on Sunday, 0.5 degrees below the seasonal average. The maximum temperature reached 22.5 degrees Celsius, 2.1 notches above the average, according to the meteorological department.Humidity levels were exceptionally high, reaching 100% at 5:30 PM.
Fog Alert for Monday
The meteorological department has issued an orange alert for very dense fog on Monday, December 29, 2025. Temperatures are expected to range between a maximum of 22 degrees Celsius and a minimum of 7 degrees Celsius. Residents should exercise caution during travel and be prepared for potential disruptions due to reduced visibility.