Delhi records cleanest air during Jan-March in 5 years

Delhi saw the best air quality during the January-March period of 2025 in last five years, Commission for Air Quality Management (CAQM) said. The average AQI for this quarter was 231, compared to 250 in 2024, 240 in 2023, 241 in 2022 and 278 in 2021. There hasn't been a single day so far when AQI crossed 400 in 2025.