NEW DELHI: Delhi recorded an average Air Quality Index (AQI) of 166 in October, the lowest for the month in eight years, according to the Union Environment Ministry.
The city also witnessed a higher number of days with ‘Good to Moderate’ air quality compared to most previous years, the ministry said on Saturday.
Delhi’s average AQI in October was 223 in 2025, 234 in 2024, 219 in 2023 and 210 in 2022. The corresponding figures were 173 in 2021, 265 in 2020, 234 in 2019 and 269 in 2018.
Meanwhile, Delhi’s average AQI from January to October this year stood at 167, showing an improvement from 170 in 2025 and 184 in 2024. The ministry said the figure was lower than the corresponding averages recorded in most years since 2018.
