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Air Quality History for Chichibu, Japan

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

39
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

474h

PM2.5 Station

474h · 31 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 34 29–44 8.1 µg/m³ 13.1 15h 30
2026-05-28 27 20–32 6.6 µg/m³ 8.5 24h 30
2026-05-27 33 25–48 8.0 µg/m³ 10.3 24h 30
2026-05-26 34 25–49 8.2 µg/m³ 11.5 24h 29
2026-05-25 34 28–42 8.2 µg/m³ 12.1 24h 31
2026-05-24 34 28–44 8.3 µg/m³ 12.4 24h 31
2026-05-23 34 26–45 8.2 µg/m³ 11.6 24h 32
2026-05-22 29 20–36 7.0 µg/m³ 7.4 24h 31
2026-05-21 28 20–38 6.7 µg/m³ 6.6 24h 29
2026-05-20 35 26–47 8.3 µg/m³ 13.3 24h 29
2026-05-19 39 32–55 9.4 µg/m³ 16.5 24h 28
2026-05-18 47 36–54 11.4 µg/m³ 20.2 24h 31
2026-05-17 43 34–52 10.4 µg/m³ 19.0 23h 29
2026-05-16 49 42–58 12.0 µg/m³ 20.5 21h 31
2026-05-15 48 40–57 11.6 µg/m³ 20.6 24h 31
2026-05-14 43 34–52 10.2 µg/m³ 17.4 24h 30
2026-05-13 34 28–40 8.2 µg/m³ 13.1 24h 31
2026-05-12 32 27–43 7.7 µg/m³ 11.5 24h 32
2026-05-11 34 25–51 8.1 µg/m³ 11.1 24h 29
2026-05-10 33 25–39 8.0 µg/m³ 10.4 24h 31
2026-05-09 33 28–38 7.9 µg/m³ 9.8 7h 30
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