Most polluted cities in Toyama, Japan, October 2026

No city in Toyama, Japan had measurements on 70% of the days, so October 2026 has no board for Toyama, Japan.

Good0–50

Moderate51–100

Sensitive groups101–150

Unhealthy151–200

Very unhealthy201–300

Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales