Thick fog blankets Delhi; air quality dips to "very poor"

Delhi awoke to thick fog on Wednesday (February 4, 2026), with reduced visibility hampering vehicle traffic.

The minimum temperature at Safdarjung, the city's base station, was 8.2° Celsius, slightly below the seasonal average by 0.2 degrees, per India Meteorological Department (IMD) data.

The IMD issued a yellow alert, predicting dense fog through the morning and late morning hours.

A yellow alert serves as an early warning for potentially severe weather that could disrupt daily routines.

Station-specific readings included Palam at 9.4° Celsius, Lodhi Road at 8.3° Celsius, Ridge at 9.2° Celsius, and Ayanagar at 8.6° Celsius.

Delhi's Air Quality Index (AQI) reached 319 by 9 a.m., falling into the "very poor" range.

The CPCB classifies AQI as "good" from 0-50, "satisfactory" from 51-100, "moderate" from 101-200, "poor" from 201-300, "very poor" from 301-400, and "severe" from 401-500.