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Air Quality History for Saku, Japan

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

9
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

437h

PM2.5 Station

437h · 10 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 28 23–34 6.6 µg/m³ 12h 8
2026-09-04 24 5–53 5.8 µg/m³ 19h 6
2026-09-03 19 8–34 4.5 µg/m³ 22h 6
2026-09-02 31 5–86 7.8 µg/m³ 21h 6
2026-09-01 27 15–61 6.5 µg/m³ 22h 6
2026-08-31 41 8–172 12.8 µg/m³ 23h 3
2026-08-30 27 10–48 6.4 µg/m³ 21h 4
2026-08-29 22 10–34 5.3 µg/m³ 17h 4
2026-08-28 31 15–65 7.7 µg/m³ 20h 4
2026-08-27 24 7–71 5.9 µg/m³ 23h 5
2026-08-26 34 13–71 8.4 µg/m³ 23h 7
2026-08-25 39 20–54 9.5 µg/m³ 23h 7
2026-08-24 35 13–57 8.6 µg/m³ 20h 7
2026-08-23 36 10–54 8.6 µg/m³ 23h 7
2026-08-22 34 16–55 8.1 µg/m³ 24h 8
2026-08-21 27 2–63 6.6 µg/m³ 24h 7
2026-08-20 30 11–46 7.2 µg/m³ 22h 5
2026-08-19 29 10–77 7.1 µg/m³ 23h 7
2026-08-18 28 17–48 6.7 µg/m³ 24h 7
2026-08-17 22 11–33 5.3 µg/m³ 22h 6
2026-08-16 21 12–31 5.1 µg/m³ 9h 8
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