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At 166, Delhi Records Lowest October Average Air Quality In 8 Years

Delhi's 166 October average marks an 8-year low, signaling improved air quality.

Context
What happened: Delhi recorded an average air quality index of 166 in October, its lowest October average in eight years, according to a ministry statement. Key numbers: October 2025 average AQI 166. Prior October averages: 234 in 2024, 219 in 2023, 210 in 2022, 173 in 2021, 265 in 2020, 234 in 2019, 269 in 2018. Why it matters: The 166 reading is below every October average listed since 2018, including the 173 recorded in 2021.
What changed
Delhi recorded an average air quality index of 166 in October, its lowest October average in eight years, according to a ministry statement.
Why it matters
The 166 reading is below every October average listed since 2018, including the 173 recorded in 2021.
Sources
ndtv
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