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Air Quality History for Sayō, Japan

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

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

Air Quality Index Station

477h

PM2.5 Station

477h · 13 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-22 29 25–37 7.0 µg/m³ 12h 14
2026-10-21 35 24–45 8.5 µg/m³ 24h 16
2026-10-20 41 27–55 9.9 µg/m³ 24h 14
2026-10-19 40 28–55 9.8 µg/m³ 24h 14
2026-10-18 36 24–55 8.6 µg/m³ 24h 14
2026-10-17 49 30–137 12.6 µg/m³ 24h 14
2026-10-16 55 36–89 14.9 µg/m³ 24h 14
2026-10-15 45 31–71 11.3 µg/m³ 24h 14
2026-10-14 54 23–118 15.5 µg/m³ 24h 13
2026-10-13 49 35–74 12.5 µg/m³ 24h 14
2026-10-12 46 33–72 11.5 µg/m³ 24h 14
2026-10-11 55 26–202 18.6 µg/m³ 24h 12
2026-10-10 40 25–66 9.9 µg/m³ 24h 14
2026-10-09 47 20–109 12.4 µg/m³ 24h 14
2026-10-08 34 21–47 8.2 µg/m³ 24h 15
2026-10-07 37 23–56 8.9 µg/m³ 24h 16
2026-10-06 40 23–54 9.6 µg/m³ 24h 16
2026-10-05 38 27–61 9.3 µg/m³ 24h 15
2026-10-04 37 25–53 8.8 µg/m³ 24h 14
2026-10-03 36 24–51 8.6 µg/m³ 24h 15
2026-10-02 34 28–47 8.2 µg/m³ 9h 14
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