What is the air quality in Kochi?

Kochi, Japan has an annual US AQI of 57 (Reasonable) and average PM2.5 of 12.5 µg/m³, ranking #1590 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Kochi?

January is typically the cleanest month (AQI 53) and May the most polluted (AQI 66).

Where does Kochi's air quality data come from?

PM2.5: 1998–2026 (monitors 2010–2026, satellite 1998–2010; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Kochi, Japan — Air Quality & Clean City Guide 2026

Kochi Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1590	Kochi, Japan	Asia	AQI 57	PM2.5 12.5 µg/m³