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Air Quality History for Koga, Japan

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

15
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 34 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 27 24–30 6.5 µg/m³ 9h 38
2026-06-08 28 23–35 6.8 µg/m³ 24h 45
2026-06-07 29 24–34 6.9 µg/m³ 24h 44
2026-06-06 30 23–38 7.3 µg/m³ 24h 44
2026-06-05 30 24–34 7.1 µg/m³ 24h 45
2026-06-04 28 22–35 6.8 µg/m³ 24h 43
2026-06-03 28 22–33 6.6 µg/m³ 24h 43
2026-06-02 28 20–39 6.7 µg/m³ 24h 43
2026-06-01 37 22–54 9.0 µg/m³ 24h 43
2026-05-31 43 31–57 10.5 µg/m³ 24h 44
2026-05-30 39 26–52 9.3 µg/m³ 24h 45
2026-05-29 35 25–44 8.4 µg/m³ 24h 44
2026-05-28 33 26–48 8.0 µg/m³ 24h 43
2026-05-27 34 23–41 8.3 µg/m³ 24h 46
2026-05-26 34 27–42 8.2 µg/m³ 14h 45
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