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Air Quality History for Katō, Japan

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

13
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 49 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 34 26–46 8.2 µg/m³ 10h 48
2026-10-20 51 30–106 13.8 µg/m³ 24h 42
2026-10-19 53 31–79 14.0 µg/m³ 24h 39
2026-10-18 37 24–61 9.0 µg/m³ 24h 46
2026-10-17 53 35–84 14.0 µg/m³ 24h 38
2026-10-16 71 46–153 21.4 µg/m³ 24h 33
2026-10-15 67 31–119 20.2 µg/m³ 24h 38
2026-10-14 77 32–124 24.8 µg/m³ 24h 36
2026-10-13 67 38–134 20.1 µg/m³ 24h 36
2026-10-12 60 40–110 17.0 µg/m³ 24h 38
2026-10-11 72 49–152 21.9 µg/m³ 24h 34
2026-10-10 59 39–94 16.2 µg/m³ 24h 38
2026-10-09 62 26–102 18.5 µg/m³ 24h 42
2026-10-08 36 26–44 8.6 µg/m³ 24h 61
2026-10-07 40 29–51 9.5 µg/m³ 24h 61
2026-10-06 37 24–52 8.9 µg/m³ 24h 62
2026-10-05 41 31–51 9.9 µg/m³ 24h 60
2026-10-04 39 34–42 9.3 µg/m³ 24h 60
2026-10-03 36 30–44 8.6 µg/m³ 24h 59
2026-10-02 33 28–41 8.0 µg/m³ 24h 58
2026-10-01 40 35–45 9.6 µg/m³ 11h 62
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