What is the air quality in Wakayama?

Wakayama, Japan has an annual US AQI of 60 (Reasonable) and average PM2.5 of 13.8 µg/m³, ranking #2075 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Wakayama?

September is typically the cleanest month (AQI 55) and May the most polluted (AQI 65).

Where does Wakayama'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.

Wakayama, Japan — Air Quality & Clean City Guide 2026

Wakayama Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2075	Wakayama, Japan	Asia	AQI 60	PM2.5 13.8 µg/m³