The air quality scenario in Delhi-NCR has shown a consistent improvement this year, with the region recording its lowest average AQI for the January-November period in the last eight years, excluding 2020 -- the COVID-19 lockdown year, according to data shared on Sunday.

As per official figures, Delhi`s average AQI between January and November 2025 stood at 187, an improvement over 201 in 2024, 190 in 2023, 199 in 2022, 197 in 2021, 203 in 2019, and 213 in 2018. The period also saw a significant reduction in the number of days with "Severe" air quality. Only three days recorded a daily average AQI above 400 this year, compared with 11 in 2024, 12 in 2023, and 17 in 2021. Notably, no day in 2025 so far has recorded AQI levels above 450 (`Severe+`), unlike previous years.