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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

333h

PM2.5 Station

333h · 27 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 45 30–72 12.0 µg/m³ 11h 48
2026-10-20 57 30–97 15.8 µg/m³ 24h 46
2026-10-19 61 38–85 17.0 µg/m³ 24h 41
2026-10-18 50 28–119 13.4 µg/m³ 24h 46
2026-10-17 60 40–83 16.6 µg/m³ 24h 40
2026-10-16 67 49–96 19.7 µg/m³ 24h 38
2026-10-15 76 46–115 23.8 µg/m³ 24h 42
2026-10-14 84 43–152 27.3 µg/m³ 24h 37
2026-10-13 75 51–151 23.2 µg/m³ 24h 37
2026-10-12 68 36–120 20.4 µg/m³ 24h 39
2026-10-11 75 50–162 24.0 µg/m³ 24h 32
2026-10-10 71 43–148 21.7 µg/m³ 24h 41
2026-10-09 72 25–120 22.6 µg/m³ 24h 41
2026-10-08 35 29–44 8.4 µg/m³ 24h 64
2026-10-07 37 29–43 8.7 µg/m³ 10h 60
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