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Air Quality History for Sayama, Japan

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

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 42 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 38 28–51 9.1 µg/m³ 21h 75
2026-05-28 33 22–49 8.0 µg/m³ 24h 80
2026-05-27 27 20–34 6.6 µg/m³ 24h 89
2026-05-26 32 22–42 7.6 µg/m³ 24h 89
2026-05-25 36 28–81 9.0 µg/m³ 24h 81
2026-05-24 33 26–44 8.0 µg/m³ 24h 86
2026-05-23 35 28–44 8.4 µg/m³ 24h 90
2026-05-22 29 21–37 7.1 µg/m³ 24h 84
2026-05-21 34 24–47 8.2 µg/m³ 24h 83
2026-05-20 34 26–41 8.2 µg/m³ 24h 93
2026-05-19 40 32–53 9.6 µg/m³ 24h 91
2026-05-18 53 47–59 13.1 µg/m³ 24h 85
2026-05-17 47 39–55 11.4 µg/m³ 23h 89
2026-05-16 55 52–59 14.0 µg/m³ 21h 89
2026-05-15 52 38–57 12.8 µg/m³ 24h 79
2026-05-14 50 42–54 12.1 µg/m³ 24h 85
2026-05-13 41 34–47 9.7 µg/m³ 24h 80
2026-05-12 34 28–42 8.3 µg/m³ 24h 81
2026-05-11 45 30–70 11.2 µg/m³ 24h 69
2026-05-10 41 33–56 9.9 µg/m³ 24h 86
2026-05-09 32 28–42 7.8 µg/m³ 4h 80
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