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Air Quality History for Ryōgoku, Japan

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

25
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 19 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 37 29–48 8.9 µg/m³ 12h 29
2026-10-20 45 32–60 10.9 µg/m³ 24h 28
2026-10-19 48 31–67 12.3 µg/m³ 24h 28
2026-10-18 35 24–47 8.4 µg/m³ 24h 29
2026-10-17 48 40–71 12.0 µg/m³ 24h 28
2026-10-16 58 42–95 15.5 µg/m³ 24h 24
2026-10-15 55 30–141 15.3 µg/m³ 24h 26
2026-10-14 56 31–150 15.3 µg/m³ 24h 24
2026-10-13 60 40–168 17.9 µg/m³ 24h 24
2026-10-12 45 32–60 11.2 µg/m³ 24h 25
2026-10-11 51 30–109 13.5 µg/m³ 24h 22
2026-10-10 46 32–75 11.4 µg/m³ 24h 26
2026-10-09 49 25–92 12.8 µg/m³ 24h 26
2026-10-08 33 22–39 7.9 µg/m³ 24h 32
2026-10-07 40 29–47 9.7 µg/m³ 10h 31
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