Delhi Air Quality Index (AQI) Level Today, October 27, 2025: Marking an extremely slight dip, the the Air Quality Index (AQI) in Delhi-NCR hovered at 315 on Monday (October 27), three points down from yesterday’s 318.

However, this still puts it under the ‘very poor’ category, indicating a slight improvement from Sunday but, a decline from Saturday (October 25) when the AQI was 257 as of 5.30am.

Going by Early Warning System’s forecast, the AQI might shoot up anywhere between 320 and 350 today.

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). Higher the AQI reading, the unhealthier it is to breathe.

Ashok Vihar recorded the highest AQI at 416, putting it under the ‘severe’ c

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