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Air Quality History for Koga, Japan

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

18
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 24 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 37 24–95 10.5 µg/m³ 7h 24
2026-10-20 45 27–91 11.6 µg/m³ 24h 23
2026-10-19 58 35–126 16.2 µg/m³ 24h 23
2026-10-18 35 23–52 8.4 µg/m³ 24h 23
2026-10-17 59 31–145 16.9 µg/m³ 24h 23
2026-10-16 69 46–122 20.4 µg/m³ 24h 22
2026-10-15 62 32–152 18.1 µg/m³ 24h 22
2026-10-14 75 33–162 25.4 µg/m³ 24h 21
2026-10-13 61 39–100 17.5 µg/m³ 24h 21
2026-10-12 55 42–101 14.7 µg/m³ 24h 23
2026-10-11 64 38–142 18.4 µg/m³ 24h 17
2026-10-10 63 28–143 18.3 µg/m³ 24h 24
2026-10-09 55 25–94 15.6 µg/m³ 24h 22
2026-10-08 34 24–46 8.1 µg/m³ 24h 31
2026-10-07 40 29–89 10.1 µg/m³ 14h 31
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