Air Quality Archive

Historical air quality data and city rankings for India

Browse Archives

🏭 Most Polluted Cities

Historical rankings of India's most polluted cities — yearly, monthly, and daily snapshots

🌿 Cleanest Cities

Historical rankings of India's cleanest cities — yearly, monthly, and daily snapshots

Yearly Overview

2026

Average AQI: 78 · 486 cities tracked · 4 months of data

Satisfactory
Most Polluted: Gurgaon (AQI 345) →Cleanest: Leh (AQI 16) →

2024

Average AQI: 106 · 275 cities tracked · 12 months of data

Moderate
Most Polluted: Byrnihat (AQI 219) →Cleanest: Tirunelveli (AQI 30) →

2023

Average AQI: 114 · 209 cities tracked · 12 months of data

Moderate
Most Polluted: Darbhanga (AQI 365) →Cleanest: Madikeri (AQI 38) →

2022

Average AQI: 122 · 199 cities tracked · 12 months of data

Moderate
Most Polluted: Byrnihat (AQI 377) →Cleanest: Gangtok (AQI 34) →

2021

Average AQI: 122 · 160 cities tracked · 12 months of data

Moderate
Most Polluted: Siwan (AQI 332) →Cleanest: Shillong (AQI 27) →

2020

Average AQI: 114 · 129 cities tracked · 12 months of data

Moderate
Most Polluted: Moradabad (AQI 208) →Cleanest: Aizawl (AQI 30) →

2019

Average AQI: 138 · 109 cities tracked · 12 months of data

Moderate
Most Polluted: Ghaziabad (AQI 239) →Cleanest: Shillong (AQI 34) →

2018

Average AQI: 150 · 71 cities tracked · 12 months of data

Moderate
Most Polluted: Hapur (AQI 339) →Cleanest: Chikkaballapur (AQI 67) →

2017

Average AQI: 179 · 50 cities tracked · 12 months of data

Moderate
Most Polluted: Bhiwadi (AQI 362) →Cleanest: Thiruvananthapuram (AQI 67) →

2016

Average AQI: 177 · 19 cities tracked · 12 months of data

Moderate
Most Polluted: Delhi (AQI 242) →Cleanest: Ahmedabad (AQI 65) →

Recent Daily Rankings

2026-06-04
PollutedClean
2026-06-03
PollutedClean
2026-06-02
PollutedClean
2026-06-01
PollutedClean
2026-05-31
PollutedClean
2026-05-30
PollutedClean
2026-05-29
PollutedClean
2026-05-28
PollutedClean
2026-05-27
PollutedClean
2026-05-26
PollutedClean