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Air Quality History for Hongkou, China

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

40
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 26 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 55 45–69 14.2 µg/m³ 26.7 7h 21
2026-10-20 75 22–100 24.0 µg/m³ 52.4 24h 19
2026-10-19 66 52–79 19.3 µg/m³ 19.2 24h 17
2026-10-18 57 42–74 15.5 µg/m³ 27.0 24h 21
2026-10-17 56 40–77 14.9 µg/m³ 20.0 24h 19
2026-10-16 74 55–113 22.8 µg/m³ 17.5 23h 19
2026-10-15 96 75–118 33.5 µg/m³ 1.5 24h 17
2026-10-14 76 39–113 24.3 µg/m³ 5.1 24h 12
2026-10-13 87 52–143 28.8 µg/m³ 48.8 24h 13
2026-10-12 141 105–157 54.3 µg/m³ 59.6 24h 16
2026-10-11 110 80–152 39.0 µg/m³ 29.9 24h 13
2026-10-10 102 78–140 35.7 µg/m³ 30.9 24h 15
2026-10-09 93 64–135 31.8 µg/m³ 22.4 24h 18
2026-10-08 107 80–155 37.8 µg/m³ 40.2 24h 23
2026-10-07 92 64–121 31.3 µg/m³ 37.8 24h 23
2026-10-06 84 58–123 27.5 µg/m³ 33.4 24h 21
2026-10-05 67 41–143 19.9 µg/m³ 12.3 24h 20
2026-10-04 53 41–71 13.7 µg/m³ 10.3 24h 20
2026-10-03 71 32–131 22.0 µg/m³ 2.5 24h 17
2026-10-02 76 52–109 23.9 µg/m³ — 24h 18
2026-10-01 70 45–90 21.5 µg/m³ 6.7 15h 17
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