The Gap Just Flipped For The First Time On Record

DATA · DELHI AIR QUALITY — OFFICIAL VS. INDEPENDENT The Gap Just Flipped For The First Time On Record Official ran higher than independent every year 2017–2024. In 2025, it didn’t. Official Independent 0 25 50 75 100 125 150 130 108.2 2017 128 113.5 2018 98.6 2019 101 84.1 2020 COVID lockdown 113 96.4 2021 103 92.6 2022 106 102.1 2023 110 108.3 2024 97 99.6 2025 ANNUAL PM2.5 (µG/M³) Official: Delhi Economic Survey/DPCC, PIB. Independent: IQAir World Air Quality Reports. Same series as the two charts above, paired by year.