What is the air quality in Patna?

Patna, India has an annual US AQI of 159 (Polluted) and average PM2.5 of 80.4 µg/m³, ranking #5825 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Patna?

August is typically the cleanest month (AQI 95) and December the most polluted (AQI 249).

Where does Patna's air quality data come from?

PM2.5: 1998–2026 (monitors 2015–2026, satellite 1998–2015, 2017; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Patna, India — Air Quality & Clean City Guide 2026

Patna Air Quality Data

Global rank	City	Continent	AQI	PM2.5
5825	Patna, India	Asia	AQI 159	PM2.5 80.4 µg/m³