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Air Quality History for Heyan, China

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

54
Current AQI
Moderate CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

380h

PM2.5 Station

380h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-20 63 30–99 18.4 µg/m³ 16h 2
2026-10-19 62 24–95 17.9 µg/m³ 22h 2
2026-10-18 55 16–99 16.3 µg/m³ 15h 1
2026-10-17 51 30–75 13.6 µg/m³ 19h 2
2026-10-16 78 57–125 24.7 µg/m³ 19h 2
2026-10-15 91 58–154 30.8 µg/m³ 19h 2
2026-10-14 88 49–165 30.5 µg/m³ 19h 2
2026-10-13 102 64–176 37.6 µg/m³ 21h 2
2026-10-12 89 57–147 29.9 µg/m³ 22h 2
2026-10-11 84 55–142 27.5 µg/m³ 20h 2
2026-10-10 92 42–157 31.4 µg/m³ 20h 2
2026-10-09 91 59–129 30.8 µg/m³ 19h 2
2026-10-08 83 63–131 27.1 µg/m³ 21h 2
2026-10-07 75 35–147 23.7 µg/m³ 20h 2
2026-10-06 63 30–93 18.2 µg/m³ 21h 2
2026-10-05 68 37–155 20.3 µg/m³ 19h 2
2026-10-04 50 18–78 13.1 µg/m³ 17h 2
2026-10-03 53 33–84 14.3 µg/m³ 16h 2
2026-10-02 42 20–85 11.1 µg/m³ 21h 2
2026-10-01 66 21–151 20.4 µg/m³ 14h 2
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