Delhi Air Quality Index (AQI) Level Today, October 17, 2025: The Delhi AQI on Friday, October 17, spiked to 242 at 5:30 am, remaining in the ‘poor’ air quality category. The temperature at the time was 18.2 degrees Celsius. Several areas recorded an AQI above 300, which means the air quality in these localities has turned ‘very poor’. Six more localities in Delhi are now in the ‘poor’ AQI category.

The highest AQI was recorded in Anand Vihar (370), followed by Wazirpur (328), and Jahangirpuri (324).

The AQI reading is categorised as Good (0-50), Satisfactory (51-100), Moderately Polluted (101-200), Poor (201-300), Very Poor (301-400), and Severe (401-500). Thus, higher the AQI reading, the unhealthier it gets to breathe.

Highest AQI localities of Delhi Area AQI Anand Vihar 370 (339

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