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Air Quality History for Hiroshima, Japan

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

18
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 16 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 25–42 7.9 µg/m³ 7h 15
2026-10-20 37 27–59 9.1 µg/m³ 24h 12
2026-10-19 44 29–157 11.8 µg/m³ 24h 11
2026-10-18 33 22–53 7.9 µg/m³ 24h 12
2026-10-17 47 25–81 12.0 µg/m³ 24h 12
2026-10-16 54 29–121 14.6 µg/m³ 24h 10
2026-10-15 43 27–66 10.5 µg/m³ 24h 11
2026-10-14 61 26–140 18.4 µg/m³ 24h 11
2026-10-13 59 37–128 16.7 µg/m³ 24h 10
2026-10-12 50 25–92 13.1 µg/m³ 23h 11
2026-10-11 67 38–155 20.1 µg/m³ 24h 9
2026-10-10 48 21–120 12.6 µg/m³ 24h 12
2026-10-09 53 23–159 15.8 µg/m³ 24h 12
2026-10-08 36 27–54 8.7 µg/m³ 24h 16
2026-10-07 44 30–72 10.9 µg/m³ 24h 16
2026-10-06 38 21–55 9.3 µg/m³ 24h 15
2026-10-05 42 25–55 10.1 µg/m³ 24h 16
2026-10-04 42 32–54 10.1 µg/m³ 24h 15
2026-10-03 41 25–101 10.3 µg/m³ 24h 15
2026-10-02 34 22–47 8.2 µg/m³ 24h 15
2026-10-01 35 28–44 8.5 µg/m³ 14h 15
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