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Air Quality History for Katanawa, Japan

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

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 30 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 33 27–39 7.8 µg/m³ 13h 31
2026-10-20 40 26–58 9.7 µg/m³ 24h 29
2026-10-19 42 33–86 10.4 µg/m³ 24h 27
2026-10-18 33 23–45 7.9 µg/m³ 24h 33
2026-10-17 47 31–82 11.6 µg/m³ 24h 28
2026-10-16 54 37–73 14.0 µg/m³ 24h 24
2026-10-15 47 28–139 12.7 µg/m³ 24h 26
2026-10-14 43 24–100 11.5 µg/m³ 24h 20
2026-10-13 51 33–153 14.0 µg/m³ 24h 22
2026-10-12 46 32–68 11.4 µg/m³ 24h 24
2026-10-11 52 38–151 13.7 µg/m³ 24h 18
2026-10-10 44 30–80 10.9 µg/m³ 24h 25
2026-10-09 48 20–77 12.3 µg/m³ 24h 23
2026-10-08 34 23–57 8.2 µg/m³ 24h 31
2026-10-07 37 27–52 8.9 µg/m³ 24h 30
2026-10-06 40 28–54 9.6 µg/m³ 24h 32
2026-10-05 39 28–58 9.5 µg/m³ 24h 30
2026-10-04 38 28–52 9.1 µg/m³ 24h 31
2026-10-03 39 30–114 10.0 µg/m³ 24h 33
2026-10-02 36 28–45 8.6 µg/m³ 24h 30
2026-10-01 36 30–42 8.5 µg/m³ 8h 34
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