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Air Quality History for Saku, Japan

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

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

Air Quality Index Station

326h

PM2.5 Station

326h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 40 22–52 9.7 µg/m³ 14h 4
2026-10-20 43 13–199 15.3 µg/m³ 24h 3
2026-10-19 49 19–237 17.5 µg/m³ 24h 3
2026-10-18 33 14–73 8.2 µg/m³ 24h 4
2026-10-17 37 15–64 9.1 µg/m³ 23h 3
2026-10-16 55 17–170 17.7 µg/m³ 23h 3
2026-10-15 48 17–137 13.7 µg/m³ 24h 3
2026-10-14 48 19–84 13.1 µg/m³ 22h 3
2026-10-13 45 20–107 11.7 µg/m³ 24h 3
2026-10-12 43 19–83 11.0 µg/m³ 24h 3
2026-10-11 63 23–152 18.5 µg/m³ 22h 3
2026-10-10 43 9–92 11.1 µg/m³ 23h 3
2026-10-09 46 13–132 13.6 µg/m³ 24h 3
2026-10-08 37 23–62 9.0 µg/m³ 24h 4
2026-10-07 43 28–60 10.6 µg/m³ 7h 4
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