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Air Quality History for Shiojiri, Japan

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

28
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

425h

PM2.5 Station

425h · 8 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 30 19–52 7.1 µg/m³ 10h 8
2026-09-04 20 6–34 4.8 µg/m³ 20h 5
2026-09-03 17 8–32 4.2 µg/m³ 20h 6
2026-09-02 34 20–67 8.5 µg/m³ 18h 7
2026-09-01 34 13–87 8.9 µg/m³ 22h 6
2026-08-31 45 10–174 13.7 µg/m³ 22h 4
2026-08-30 38 9–174 12.1 µg/m³ 20h 3
2026-08-29 28 8–50 6.6 µg/m³ 18h 3
2026-08-28 26 13–42 6.3 µg/m³ 22h 4
2026-08-27 21 9–60 5.2 µg/m³ 24h 4
2026-08-26 33 14–60 8.2 µg/m³ 23h 5
2026-08-25 40 22–55 9.5 µg/m³ 22h 7
2026-08-24 37 15–59 9.0 µg/m³ 20h 6
2026-08-23 39 25–51 9.3 µg/m³ 23h 6
2026-08-22 35 18–57 8.4 µg/m³ 24h 7
2026-08-21 26 13–40 6.3 µg/m³ 22h 7
2026-08-20 33 12–50 8.0 µg/m³ 20h 5
2026-08-19 28 16–58 6.7 µg/m³ 23h 6
2026-08-18 25 15–36 6.0 µg/m³ 22h 7
2026-08-17 23 13–34 5.4 µg/m³ 19h 7
2026-08-16 23 17–30 5.6 µg/m³ 11h 7
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