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Air Quality History for Heyan, China

Historical PM2.5 and AQI trend from monitoring stations near Heyan, China.

62
Current AQI
Moderate CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

436h

PM2.5 Station

436h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 73 35–141 23.1 µg/m³ 16h 2
2026-09-04 54 25–98 15.0 µg/m³ 22h 2
2026-09-03 50 30–78 13.5 µg/m³ 23h 3
2026-09-02 47 25–114 12.6 µg/m³ 21h 3
2026-09-01 42 13–77 10.4 µg/m³ 22h 2
2026-08-31 46 16–85 12.3 µg/m³ 23h 2
2026-08-30 45 17–70 11.5 µg/m³ 22h 2
2026-08-29 60 34–80 16.6 µg/m³ 23h 3
2026-08-28 55 25–87 15.3 µg/m³ 22h 2
2026-08-27 48 21–75 12.5 µg/m³ 22h 2
2026-08-26 56 34–78 15.1 µg/m³ 23h 3
2026-08-25 49 24–77 12.9 µg/m³ 21h 2
2026-08-24 54 13–93 15.3 µg/m³ 21h 3
2026-08-23 48 13–79 13.0 µg/m³ 23h 2
2026-08-22 47 12–93 12.9 µg/m³ 20h 2
2026-08-21 57 22–107 16.3 µg/m³ 21h 2
2026-08-20 50 13–77 13.5 µg/m³ 23h 3
2026-08-19 64 25–129 18.8 µg/m³ 22h 2
2026-08-18 65 42–134 19.2 µg/m³ 19h 2
2026-08-17 66 30–97 19.7 µg/m³ 24h 3
2026-08-16 72 37–117 23.0 µg/m³ 3h 3
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