Air Quality History for Ansan-si, South Korea
Historical PM2.5 and AQI trend from monitoring stations near Ansan-si, South Korea.
27
Current AQI
Good Station
Good Station
Air Quality Index Station
478hPM2.5 Station
478h · 38 stationsTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-09-05 | 33 | 28–39 | 8.0 µg/m³ | 21h | 103 |
| 2026-09-04 | 33 | 27–42 | 7.9 µg/m³ | 24h | 106 |
| 2026-09-03 | 38 | 27–54 | 9.0 µg/m³ | 24h | 100 |
| 2026-09-02 | 43 | 34–49 | 10.2 µg/m³ | 24h | 100 |
| 2026-09-01 | 29 | 22–36 | 7.0 µg/m³ | 24h | 103 |
| 2026-08-31 | 26 | 20–36 | 6.3 µg/m³ | 24h | 91 |
| 2026-08-30 | 32 | 22–44 | 7.6 µg/m³ | 24h | 98 |
| 2026-08-29 | 32 | 24–45 | 7.7 µg/m³ | 24h | 95 |
| 2026-08-28 | 34 | 24–51 | 8.0 µg/m³ | 24h | 107 |
| 2026-08-27 | 50 | 42–56 | 12.4 µg/m³ | 24h | 104 |
| 2026-08-26 | 50 | 39–57 | 12.4 µg/m³ | 24h | 108 |
| 2026-08-25 | 43 | 21–54 | 10.3 µg/m³ | 24h | 107 |
| 2026-08-24 | 56 | 32–66 | 14.7 µg/m³ | 24h | 104 |
| 2026-08-23 | 44 | 25–57 | 10.7 µg/m³ | 24h | 102 |
| 2026-08-22 | 37 | 20–53 | 8.8 µg/m³ | 24h | 107 |
| 2026-08-21 | 45 | 25–63 | 11.3 µg/m³ | 24h | 105 |
| 2026-08-20 | 57 | 48–68 | 15.1 µg/m³ | 24h | 111 |
| 2026-08-19 | 51 | 41–60 | 12.6 µg/m³ | 24h | 104 |
| 2026-08-18 | 43 | 38–51 | 10.4 µg/m³ | 24h | 104 |
| 2026-08-17 | 33 | 24–44 | 7.9 µg/m³ | 24h | 96 |
| 2026-08-16 | 28 | 28–28 | 6.7 µg/m³ | 1h | 124 |