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Best areas for air quality — Karstula
The 8 best postal code areas in Karstula for air quality, ranked best first. Click an area to see all its statistics.
| Rank | Area | Postal code | Air quality index |
|---|---|---|---|
| 1 | Kangasaho | 43490 | 22.6 |
| 2 | Rantakylä-Pirttilahti | 43540 | 23.1 |
| 3 | Vahanka | 43560 | 23.1 |
| 4 | Karstula Keskus | 43500 | 23.3 |
| 5 | Humppi | 43640 | 23.7 |
| 6 | Vastinki | 43660 | 23.7 |
| 7 | Kiminki | 43520 | 23.8 |
| 8 | Aho | 43610 | 23.9 |