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Air Quality History for Hitachi, Japan

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

9
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

325h

PM2.5 Station

325h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 33 22–69 8.3 µg/m³ 13h 5
2026-10-20 40 23–78 10.0 µg/m³ 24h 5
2026-10-19 39 6–70 9.7 µg/m³ 24h 4
2026-10-18 34 15–54 8.2 µg/m³ 24h 6
2026-10-17 39 8–59 9.3 µg/m³ 24h 4
2026-10-16 42 12–93 11.0 µg/m³ 21h 4
2026-10-15 34 13–81 8.6 µg/m³ 24h 3
2026-10-14 37 5–110 9.5 µg/m³ 24h 4
2026-10-13 48 15–178 14.8 µg/m³ 23h 4
2026-10-12 39 17–65 9.8 µg/m³ 23h 3
2026-10-11 49 4–165 15.0 µg/m³ 23h 3
2026-10-10 38 19–62 9.3 µg/m³ 22h 3
2026-10-09 39 9–83 10.0 µg/m³ 24h 3
2026-10-08 31 9–52 7.4 µg/m³ 24h 5
2026-10-07 36 23–52 8.6 µg/m³ 8h 5
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