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Air Quality History for Chichibu, Japan

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

30
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 38 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 22 18–25 5.2 µg/m³ 4.4 3h 36
2026-06-08 25 20–32 5.9 µg/m³ 7.3 24h 35
2026-06-07 27 15–36 6.5 µg/m³ 11.0 24h 36
2026-06-06 33 24–49 7.8 µg/m³ 11.3 24h 36
2026-06-05 28 23–36 6.6 µg/m³ 7.1 24h 38
2026-06-04 27 21–32 6.5 µg/m³ 7.6 24h 35
2026-06-03 26 18–32 6.1 µg/m³ 4.7 24h 34
2026-06-02 27 20–36 6.5 µg/m³ 8.0 24h 36
2026-06-01 41 28–57 9.8 µg/m³ 17.4 24h 36
2026-05-31 48 41–57 11.7 µg/m³ 18.7 24h 37
2026-05-30 38 32–46 9.1 µg/m³ 13.0 24h 37
2026-05-29 35 28–44 8.5 µg/m³ 11.6 24h 35
2026-05-28 29 25–35 6.9 µg/m³ 8.5 24h 35
2026-05-27 32 24–39 7.8 µg/m³ 10.3 24h 36
2026-05-26 33 26–42 7.9 µg/m³ 11.5 24h 37
2026-05-25 34 27–40 8.1 µg/m³ 12.1 24h 36
2026-05-24 34 27–48 8.3 µg/m³ 12.4 24h 38
2026-05-23 34 25–42 8.1 µg/m³ 11.6 24h 37
2026-05-22 30 23–41 7.3 µg/m³ 7.4 24h 36
2026-05-21 31 20–47 7.4 µg/m³ 6.6 24h 35
2026-05-20 33 23–43 7.9 µg/m³ 12.8 20h 37
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