As of December 5, 2025, air quality across many major Indian cities is currently classified as "Severe" or "Hazardous", posing significant health risks to the entire population. New Delhi is among the most polluted cities, with an Air Quality Index (AQI) often exceeding 200 or 300. 

Metro City Air Quality Index (AQI) 

Here are the real-time AQI readings for several major metro areas: 

City AQI (US) Status Main Pollutant

New Delhi 236 - 289 Severe / Hazardous PM2.5 / PM10

Mumbai 188 Unhealthy 

Chennai 175 - 193 Unhealthy 

Kolkata 174 - 199 Unhealthy 

Hyderabad 161 - 166 Unhealthy 

Pune 186 - 214 Unhealthy / Severe 

Bengaluru 149 - 158 Unhealthy for Sensitive Groups 

Ahmedabad 152 - 166 Unhealthy for Sensitive Groups 

Note: AQI readings can vary slightly by monitoring station and source, but generally indicate poor air quality across urban centers.