What is the air quality in Bettiah?

Bettiah, India has an annual US AQI of 144 (Polluted) and average PM2.5 of 67.3 µg/m³, ranking #5660 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Bettiah?

July is typically the cleanest month (AQI 84) and December the most polluted (AQI 203).

Where does Bettiah's air quality data come from?

PM2.5: 1998–2026 (monitors 2021–2026, satellite 1998–2024, model 2025; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Bettiah, India — Air Quality & Clean City Guide 2026

Bettiah Air Quality Data

Global rank	City	Continent	AQI	PM2.5
5660	Bettiah, India	Asia	AQI 144	PM2.5 67.3 µg/m³