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Air Quality History for Sayō, Japan

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

13
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 22 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 31 23–42 7.4 µg/m³ 10h 18
2026-10-20 44 26–68 10.9 µg/m³ 24h 15
2026-10-19 61 30–153 17.6 µg/m³ 24h 15
2026-10-18 35 25–56 8.6 µg/m³ 24h 16
2026-10-17 54 31–96 14.6 µg/m³ 24h 14
2026-10-16 61 40–115 17.3 µg/m³ 24h 13
2026-10-15 64 35–107 18.9 µg/m³ 24h 16
2026-10-14 68 33–125 21.0 µg/m³ 24h 14
2026-10-13 65 35–154 19.6 µg/m³ 24h 14
2026-10-12 52 28–156 14.3 µg/m³ 24h 15
2026-10-11 56 34–145 15.5 µg/m³ 24h 13
2026-10-10 52 25–138 14.6 µg/m³ 24h 15
2026-10-09 58 23–137 17.3 µg/m³ 24h 16
2026-10-08 34 23–45 8.1 µg/m³ 24h 21
2026-10-07 38 25–54 9.0 µg/m³ 24h 22
2026-10-06 36 23–61 8.8 µg/m³ 24h 22
2026-10-05 37 26–52 8.9 µg/m³ 24h 22
2026-10-04 35 23–43 8.4 µg/m³ 24h 20
2026-10-03 34 25–42 8.0 µg/m³ 24h 21
2026-10-02 33 27–48 8.0 µg/m³ 24h 21
2026-10-01 40 34–50 9.5 µg/m³ 12h 21
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