Kumamoto Moderate
Kumamoto, Kumamoto
Updated: May 12, 2026, 1:00 AM
Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Current Weather
Pollutant Breakdown
Dominant pollutant: PM25
PM2.5 Forecast (next 7 days)
Health Guidance
Data from: Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム), Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム), World Air Quality Index Project
Is the air safe in Kumamoto today?
The current Air Quality Index (AQI) in Kumamoto is 53, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.
Air quality in Kumamoto, Kumamoto is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.