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Air Quality History for Sayama, Japan

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

53
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 57 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 43 31–70 11.0 µg/m³ 7h 72
2026-10-20 50 32–86 13.5 µg/m³ 24h 68
2026-10-19 62 38–91 17.8 µg/m³ 24h 64
2026-10-18 36 26–56 8.7 µg/m³ 24h 67
2026-10-17 66 34–123 19.9 µg/m³ 24h 65
2026-10-16 75 51–155 23.8 µg/m³ 24h 58
2026-10-15 84 49–158 27.8 µg/m³ 24h 70
2026-10-14 94 29–153 32.2 µg/m³ 24h 58
2026-10-13 73 44–125 22.7 µg/m³ 24h 62
2026-10-12 64 39–131 18.7 µg/m³ 24h 66
2026-10-11 74 48–125 22.9 µg/m³ 24h 54
2026-10-10 71 32–139 21.7 µg/m³ 24h 68
2026-10-09 66 26–123 20.3 µg/m³ 24h 70
2026-10-08 34 28–45 8.0 µg/m³ 24h 102
2026-10-07 37 27–50 8.8 µg/m³ 24h 102
2026-10-06 37 30–50 8.8 µg/m³ 24h 104
2026-10-05 36 29–48 8.7 µg/m³ 24h 102
2026-10-04 35 31–42 8.5 µg/m³ 24h 102
2026-10-03 34 30–42 8.1 µg/m³ 24h 100
2026-10-02 33 28–40 7.9 µg/m³ 24h 101
2026-10-01 40 34–43 9.6 µg/m³ 14h 100
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