Air Quality History for Cheongju-si, South Korea
Historical PM2.5 and AQI trend from monitoring stations near Cheongju-si, South Korea.
50
Current AQI
Good Station
Good Station
Air Quality Index Station
478hPM2.5 Station
478h · 18 stationsTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-10-21 | 59 | 55–65 | 15.7 µg/m³ | 3h | 16 |
| 2026-10-20 | 38 | 16–59 | 9.3 µg/m³ | 24h | 16 |
| 2026-10-19 | 37 | 18–57 | 9.0 µg/m³ | 24h | 25 |
| 2026-10-18 | 36 | 12–55 | 8.7 µg/m³ | 24h | 21 |
| 2026-10-17 | 40 | 12–63 | 10.0 µg/m³ | 24h | 16 |
| 2026-10-16 | 48 | 2–69 | 12.5 µg/m³ | 24h | 25 |
| 2026-10-15 | 40 | 17–155 | 10.7 µg/m³ | 24h | 18 |
| 2026-10-14 | 36 | 17–62 | 8.9 µg/m³ | 24h | 22 |
| 2026-10-13 | 49 | 23–80 | 12.9 µg/m³ | 24h | 22 |
| 2026-10-12 | 48 | 19–70 | 12.6 µg/m³ | 24h | 20 |
| 2026-10-11 | 54 | 6–67 | 14.7 µg/m³ | 24h | 32 |
| 2026-10-10 | 51 | 17–69 | 13.8 µg/m³ | 24h | 18 |
| 2026-10-09 | 58 | 23–90 | 16.2 µg/m³ | 24h | 22 |
| 2026-10-08 | 53 | 18–85 | 14.0 µg/m³ | 24h | 19 |
| 2026-10-07 | 47 | 33–59 | 11.5 µg/m³ | 24h | 22 |
| 2026-10-06 | 40 | 25–58 | 9.6 µg/m³ | 24h | 22 |
| 2026-10-05 | 37 | 27–54 | 9.0 µg/m³ | 24h | 23 |
| 2026-10-04 | 39 | 23–52 | 9.3 µg/m³ | 24h | 21 |
| 2026-10-03 | 35 | 15–44 | 8.3 µg/m³ | 24h | 21 |
| 2026-10-02 | 37 | 20–45 | 8.9 µg/m³ | 24h | 22 |
| 2026-10-01 | 36 | 22–47 | 8.6 µg/m³ | 19h | 23 |