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How air quality varies by city

Source: Central Pollution Control Board · Last updated September 2026

Delhi AQI (Sep 2026)

118

Cleanest major city

Aizawl

Air quality varies significantly across Indian cities and even day to day. While Delhi continues to struggle with poor air quality, cities in the Northeast and South often have cleaner air. The Central Pollution Control Board (CPCB) monitors air quality across 250+ cities.

AQI by City (September 2026 snapshot)

Delhi118
Kolkata162
Mumbai76
Bengaluru65
Aizawl (Cleanest)Clean

AQI values are from mid-September 2026 and fluctuate daily. Check CPCB live data for current figures.

Health impacts of poor air quality

  • Respiratory issues: Increased asthma and bronchitis
  • Heart disease: Higher risk of cardiovascular problems
  • Reduced life expectancy: Average Indian loses ~5 years of life due to air pollution

Source

Central Pollution Control Board (CPCB), National Air Quality Monitoring Program; IQAir. Figures reflect data from September 2026.