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Air Quality History for Koga, Japan

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

12
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 25 15–30 6.0 µg/m³ 7h 44
2026-06-08 27 22–43 6.6 µg/m³ 24h 55
2026-06-07 27 23–34 6.5 µg/m³ 24h 58
2026-06-06 31 26–37 7.3 µg/m³ 24h 54
2026-06-05 30 25–40 7.3 µg/m³ 24h 56
2026-06-04 28 23–32 6.8 µg/m³ 24h 54
2026-06-03 28 22–34 6.6 µg/m³ 24h 56
2026-06-02 27 20–38 6.4 µg/m³ 24h 56
2026-06-01 40 23–55 9.6 µg/m³ 24h 53
2026-05-31 46 38–55 11.1 µg/m³ 24h 55
2026-05-30 40 33–48 9.6 µg/m³ 24h 56
2026-05-29 36 25–44 8.7 µg/m³ 24h 55
2026-05-28 34 24–59 8.3 µg/m³ 24h 54
2026-05-27 32 24–40 7.8 µg/m³ 24h 58
2026-05-26 34 27–42 8.1 µg/m³ 17h 61
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