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Air Quality History for Chikuma, Japan

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

80
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

467h

PM2.5 Station

467h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 32 24–38 7.8 µg/m³ 7h 5
2026-10-20 38 16–111 9.7 µg/m³ 24h 4
2026-10-19 40 22–79 10.4 µg/m³ 24h 4
2026-10-18 31 13–51 7.3 µg/m³ 23h 5
2026-10-17 36 16–55 8.7 µg/m³ 24h 4
2026-10-16 51 18–116 13.6 µg/m³ 23h 3
2026-10-15 47 16–289 18.9 µg/m³ 23h 4
2026-10-14 51 13–112 14.5 µg/m³ 24h 4
2026-10-13 49 32–79 12.6 µg/m³ 23h 3
2026-10-12 43 19–101 10.9 µg/m³ 20h 4
2026-10-11 54 31–195 18.0 µg/m³ 24h 4
2026-10-10 42 18–98 10.9 µg/m³ 24h 4
2026-10-09 46 17–125 12.3 µg/m³ 22h 4
2026-10-08 40 24–69 9.7 µg/m³ 24h 5
2026-10-07 38 23–56 9.1 µg/m³ 24h 5
2026-10-06 38 21–55 9.1 µg/m³ 24h 5
2026-10-05 39 17–58 9.4 µg/m³ 24h 5
2026-10-04 37 17–67 9.1 µg/m³ 24h 5
2026-10-03 38 23–55 9.2 µg/m³ 24h 6
2026-10-02 35 20–54 8.5 µg/m³ 24h 5
2026-10-01 43 32–54 10.3 µg/m³ 14h 6
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