HomeJapanKoganei › History

Air Quality History for Koganei, Japan

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

54
Current AQI
Moderate

PM2.5 Trend

310h · 15 stations

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-10 31 15–55 7.6 µg/m³ 15.8 20h 17
2026-04-09 29 13–40 7.0 µg/m³ 13.4 18h 17
2026-04-08 34 27–41 8.2 µg/m³ 9.9 9h 16
2026-04-07 30 9–63 7.4 µg/m³ 11.2 24h 16
2026-04-06 52 44–61 13.1 µg/m³ 19.9 18h 19
2026-04-04 37 16–57 9.1 µg/m³ 15.2 15h 18
2026-04-03 35 27–48 8.4 µg/m³ 11.7 24h 18
2026-04-02 18 6–29 4.4 µg/m³ 6.2 23h 15
2026-04-01 16 5–32 3.9 µg/m³ 5.9 23h 13
2026-03-31 25 6–36 6.0 µg/m³ 11.4 23h 16
2026-03-30 43 23–113 12.3 µg/m³ 18.7 11h 16
2026-03-29 64 55–97 18.4 µg/m³ 24.3 23h 18
2026-03-28 58 34–119 16.0 µg/m³ 20.9 24h 15
2026-03-27 33 20–44 7.8 µg/m³ 11.6 24h 19
2026-03-26 23 17–32 5.5 µg/m³ 7.6 24h 17
2026-03-25 36 30–42 8.6 µg/m³ 12.1 7h 21
Back to Koganei Air Quality