Air Quality in Japan
Historical data and real-time monitoring
10
Events (30d)
11
Events (90d)
87.3
Avg Severity
2.4M
Population Exposed
Recent Events
highCS:53
Very Unhealthy Air Quality (AQI 245)
Akashi2026-09-098h ago73.6K exposed
mediumCS:41
Unhealthy Air Quality (AQI 155)
Kosai2026-09-0921h ago22.3K exposed
criticalCS:55
Hazardous Air Quality (AQI 434)
Kobe2026-09-081d ago38.7K exposed
criticalCS:68
Hazardous Air Quality (AQI 767)
Kobe2026-09-081d ago838.7K exposed
mediumCS:50
Unhealthy Air Quality (AQI 160)
Takanawa2026-09-073d ago162.3K exposed
mediumCS:41
Unhealthy Air Quality (AQI 164)
Den’enchōfu2026-09-054d ago20.1K exposed
criticalCS:55
Hazardous Air Quality (AQI 811)
Ichihara2026-09-018d ago27.4K exposed
criticalCS:32
Hazardous Air Quality (AQI 429)
Nagoya2026-08-319d ago958.3K exposed
criticalCS:31
Hazardous Air Quality (AQI 655)
Nobeoka2026-08-2515d ago69.8K exposed
criticalCS:31
Hazardous Air Quality (AQI 931)
Yokohama2026-08-2218d ago63.1K exposed
criticalCS:26
Hazardous Air Quality (AQI 999)
Ayabe2026-07-0270d ago20.9K exposed
criticalCS:26
Hazardous Air Quality (AQI 999)
Minokamo2026-05-30103d ago12.7K exposed
criticalCS:31
Hazardous Air Quality (AQI 674)
Tsuchiura2026-05-30103d ago56.5K exposed
criticalCS:26
Hazardous Air Quality (AQI 670)
Uwajima2026-05-24108d ago40.5K exposed
criticalCS:22
Hazardous Air Quality (AQI 781)
Kasaoka2026-05-09123d ago1.8K exposed
criticalCS:26
Hazardous Air Quality (AQI 999)
Makuhari2026-05-04128d ago23.8K exposed