Air Quality History for Heqian, China
Historical PM2.5 and AQI trend from monitoring stations near Heqian, China.
66
Current AQI
Moderate CAMS model
Moderate CAMS model
Air Quality Index Station
202hPM2.5 Station
202h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-07-22 | 60 | 50–78 | 16.2 µg/m³ | 4h | 1 |
| 2026-07-21 | 67 | 20–112 | 20.6 µg/m³ | 17h | 1 |
| 2026-07-20 | 63 | 16–101 | 18.3 µg/m³ | 17h | 1 |
| 2026-07-19 | 62 | 30–116 | 18.2 µg/m³ | 11h | 1 |
| 2026-07-18 | 57 | 25–88 | 16.1 µg/m³ | 13h | 1 |
| 2026-07-17 | 46 | 18–73 | 11.7 µg/m³ | 10h | 1 |
| 2026-07-16 | 45 | 25–80 | 11.8 µg/m³ | 15h | 1 |
| 2026-07-15 | 47 | 24–81 | 12.7 µg/m³ | 13h | 1 |
| 2026-07-14 | 59 | 17–99 | 17.4 µg/m³ | 8h | 2 |
| 2026-07-13 | 56 | 25–97 | 15.7 µg/m³ | 21h | 1 |
| 2026-07-12 | 45 | 13–70 | 11.6 µg/m³ | 13h | 1 |
| 2026-07-11 | 54 | 18–97 | 15.1 µg/m³ | 17h | 1 |
| 2026-07-10 | 54 | 24–97 | 15.3 µg/m³ | 12h | 1 |
| 2026-07-09 | 54 | 30–82 | 14.5 µg/m³ | 17h | 2 |
| 2026-07-08 | 43 | 13–61 | 11.1 µg/m³ | 14h | 2 |