SmogRank / Countries / Japan / 2023
Most polluted cities in Japan, 2023
No city in Japan had measurements on 70% of the days, so 2023 has no board for Japan.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
All cities in the world, 2023 · Japan now