Air Quality History for Ansan-si, South Korea
Historical PM2.5 and AQI trend from monitoring stations near Ansan-si, South Korea.
32
Current AQI
Good Station
Good Station
Air Quality Index Station
336hPM2.5 Station
336h · 90 stationsTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-07-22 | 47 | 34–56 | 11.5 µg/m³ | 5h | 101 |
| 2026-07-21 | 45 | 28–65 | 11.3 µg/m³ | 24h | 136 |
| 2026-07-20 | 41 | 29–58 | 9.9 µg/m³ | 24h | 112 |
| 2026-07-19 | 47 | 25–58 | 11.3 µg/m³ | 24h | 106 |
| 2026-07-18 | 45 | 28–58 | 11.1 µg/m³ | 24h | 103 |
| 2026-07-17 | 52 | 27–65 | 13.7 µg/m³ | 24h | 84 |
| 2026-07-16 | 60 | 42–72 | 16.3 µg/m³ | 24h | 88 |
| 2026-07-15 | 50 | 33–59 | 12.6 µg/m³ | 24h | 68 |
| 2026-07-14 | 39 | 24–55 | 9.4 µg/m³ | 24h | 73 |
| 2026-07-13 | 38 | 26–47 | 9.1 µg/m³ | 24h | 66 |
| 2026-07-12 | 47 | 24–58 | 11.5 µg/m³ | 24h | 74 |
| 2026-07-11 | 50 | 33–99 | 12.6 µg/m³ | 24h | 72 |
| 2026-07-10 | 44 | 32–54 | 10.5 µg/m³ | 24h | 68 |
| 2026-07-09 | 36 | 18–43 | 8.6 µg/m³ | 24h | 76 |
| 2026-07-08 | 33 | 12–40 | 7.9 µg/m³ | 19h | 92 |