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Air Quality History for Chiba, Japan

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

38
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 81 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 32 28–36 7.7 µg/m³ 12.8 10h 76
2026-10-20 42 32–59 10.2 µg/m³ 22.0 24h 75
2026-10-19 45 32–70 11.0 µg/m³ 13.9 24h 74
2026-10-18 34 26–43 8.1 µg/m³ 9.4 24h 78
2026-10-17 42 34–58 10.1 µg/m³ 11.6 24h 72
2026-10-16 52 38–71 13.0 µg/m³ 15.7 24h 65
2026-10-15 44 28–85 10.9 µg/m³ 11.7 24h 68
2026-10-14 50 29–109 13.3 µg/m³ 12.6 24h 63
2026-10-13 51 39–110 13.1 µg/m³ 18.3 24h 65
2026-10-12 43 32–54 10.4 µg/m³ 15.7 24h 66
2026-10-11 50 36–76 12.6 µg/m³ 14.0 24h 62
2026-10-10 44 34–91 11.1 µg/m³ 13.4 24h 69
2026-10-09 45 28–77 11.5 µg/m³ 15.2 24h 69
2026-10-08 34 27–44 8.1 µg/m³ 12.6 24h 82
2026-10-07 39 29–44 9.3 µg/m³ 8.9 24h 82
2026-10-06 41 28–61 10.0 µg/m³ 7.5 24h 82
2026-10-05 39 30–50 9.4 µg/m³ 8.8 24h 80
2026-10-04 39 32–69 9.6 µg/m³ 9.3 24h 81
2026-10-03 37 29–57 9.0 µg/m³ 9.7 24h 82
2026-10-02 35 30–42 8.3 µg/m³ 9.7 24h 82
2026-10-01 40 34–69 10.0 µg/m³ 17.2 12h 83
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