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Air Quality History for Hannan, Japan

Historical PM2.5 and AQI trend from monitoring stations near Hannan, Japan.

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 52 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 37 29–45 8.8 µg/m³ 10h 64
2026-10-20 51 32–104 13.8 µg/m³ 24h 59
2026-10-19 53 38–87 13.9 µg/m³ 24h 57
2026-10-18 37 25–57 8.9 µg/m³ 24h 60
2026-10-17 55 38–90 15.0 µg/m³ 24h 58
2026-10-16 67 50–155 19.9 µg/m³ 24h 48
2026-10-15 70 30–156 21.4 µg/m³ 24h 55
2026-10-14 70 34–121 21.5 µg/m³ 24h 49
2026-10-13 64 38–135 18.8 µg/m³ 24h 50
2026-10-12 55 38–86 15.1 µg/m³ 24h 57
2026-10-11 61 45–106 17.0 µg/m³ 24h 46
2026-10-10 52 33–73 13.4 µg/m³ 24h 60
2026-10-09 53 26–96 14.8 µg/m³ 24h 58
2026-10-08 34 27–41 8.1 µg/m³ 24h 81
2026-10-07 39 27–51 9.3 µg/m³ 24h 83
2026-10-06 38 26–55 9.1 µg/m³ 24h 79
2026-10-05 38 30–51 9.1 µg/m³ 24h 80
2026-10-04 37 32–44 9.0 µg/m³ 24h 78
2026-10-03 35 29–40 8.4 µg/m³ 24h 78
2026-10-02 33 28–39 7.9 µg/m³ 24h 79
2026-10-01 39 35–42 9.3 µg/m³ 12h 77
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