SmogRank / World / South Korea / Chungcheongnam-do / September 2023

Most polluted cities in Chungcheongnam-do, South Korea, September 2023

No city in Chungcheongnam-do, South Korea had measurements on 70% of the days, so September 2023 has no board for Chungcheongnam-do, South Korea.

Chungcheongnam-do has 14 cities ranked over the last 30 days, but none here: most of its monitors have no readings for September 2023 in OpenAQ's archive, where ours come from, or too few to rank. Cities missing from this board weren't clean, just not measured.

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

All cities in the world, September 2023 · All cities in South Korea, September 2023 · Chungcheongnam-do now