India, Feb. 28 -- Delhi has recorded its poorest February air quality in three years, with the average Air Quality Index (AQI) at 234 till February 26, according to an analysis by the Centre for Research on Energy and Clean Air (CREA).

The data showed that February 2026 has been the worst since 2023, when the monthly average AQI stood at 237. In comparison, the average February AQI was 218 in 2024 and 214 in 2025, while in 2022 it was 225.

In terms of daily air quality categories, the capital witnessed 20 'poor' air quality days and two 'very poor' air days this February, while four days fell in the 'moderate' category. Data from the SAMEER app's AQI calendar indicated that ozone was the most prominent pollutant for most of the month, e...