Home › Japan › Kōshi › History

Air Quality History for Kōshi, Japan

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

46
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 21 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 31 23–40 7.5 µg/m³ 7h 25
2026-10-20 44 25–157 11.9 µg/m³ 24h 20
2026-10-19 45 32–70 11.1 µg/m³ 24h 18
2026-10-18 34 20–57 8.2 µg/m³ 24h 23
2026-10-17 42 24–61 10.2 µg/m³ 24h 18
2026-10-16 58 36–95 16.1 µg/m³ 24h 16
2026-10-15 46 28–88 11.9 µg/m³ 24h 17
2026-10-14 68 21–172 22.7 µg/m³ 24h 15
2026-10-13 53 35–87 14.1 µg/m³ 24h 16
2026-10-12 47 29–84 11.8 µg/m³ 24h 17
2026-10-11 61 27–111 17.7 µg/m³ 24h 13
2026-10-10 45 27–66 11.0 µg/m³ 24h 16
2026-10-09 47 19–121 12.5 µg/m³ 24h 18
2026-10-08 35 24–51 8.5 µg/m³ 24h 24
2026-10-07 38 27–52 9.2 µg/m³ 24h 23
2026-10-06 35 25–51 8.5 µg/m³ 24h 24
2026-10-05 40 28–53 9.7 µg/m³ 24h 23
2026-10-04 40 28–52 9.5 µg/m³ 24h 24
2026-10-03 36 24–44 8.6 µg/m³ 24h 23
2026-10-02 37 27–52 8.8 µg/m³ 24h 23
2026-10-01 39 30–47 9.4 µg/m³ 15h 25
Back to Kōshi Air Quality