What is the air quality in Katihar?

Katihar, India has an annual US AQI of 152 (Polluted) and average PM2.5 of 77.4 µg/m³, ranking #5769 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Katihar?

July is typically the cleanest month (AQI 82) and December the most polluted (AQI 247).

Where does Katihar's air quality data come from?

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

Katihar, India — Air Quality & Clean City Guide 2026

Katihar Air Quality Data

Global rank	City	Continent	AQI	PM2.5
5769	Katihar, India	Asia	AQI 152	PM2.5 77.4 µg/m³