SmogRank / Countries / Japan / Tochigi
Most polluted cities in Tochigi, Japan
11 measured cities ranked by PM2.5, this year. Worst: Oyama at 9.2 µg/m³, #897 in the world.
| # | City | µg/m³ | |
|---|---|---|---|
| 1 | Oyama Tochigi | 9.2 | |
| 2 | Ashikaga Tochigi | 8.8 | |
| 3 | Sano Tochigi | 8.7 | |
| 4 | Utsunomiya Tochigi | 8.3 | |
| 5 | Kaminokawa Tochigi | 8.3 | |
| 6 | Yaita Tochigi | 8.0 | |
| 7 | Mooka Tochigi | 8.0 | |
| 8 | Kanuma Tochigi | 7.9 | |
| 9 | Tochigi Tochigi | 7.8 | |
| 10 | Nasukarasuyama Tochigi | 7.1 | |
| 11 | Imaichi Tochigi | 7.0 |
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data
Estimated: cities without a monitor
Tochigi cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.
| City | 7-day estimate |
|---|---|
| Nikkō estimated | ≈ 2 µg/m³ |
| Ōtawara estimated | ≈ 5 µg/m³ |
| Kuroiso estimated | ≈ 6 µg/m³ |
| Shimotsuke estimated | ≈ 6 µg/m³ |
| Sakura estimated | ≈ 4 µg/m³ |
| Mibu estimated | ≈ 6 µg/m³ |
| Ujiie estimated | ≈ 4 µg/m³ |
| Hōshakuji estimated | ≈ 4 µg/m³ |
| Tanuma estimated | ≈ 6 µg/m³ |
| Mashiko estimated | ≈ 7 µg/m³ |
| Nasu estimated | ≈ 4 µg/m³ |
| Karasuyama estimated | ≈ 4 µg/m³ |
| Fujioka estimated | ≈ 5 µg/m³ |
| Ogawa estimated | ≈ 5 µg/m³ |
Updated 2026-10-01 14:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.