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Air Quality History for Hitachi, Japan

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

16
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 10 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 32 20–42 7.6 µg/m³ 10h 8
2026-10-20 37 16–58 9.0 µg/m³ 24h 7
2026-10-19 36 20–52 8.7 µg/m³ 24h 7
2026-10-18 33 23–59 8.0 µg/m³ 24h 7
2026-10-17 41 26–52 9.8 µg/m³ 24h 7
2026-10-16 49 32–109 13.0 µg/m³ 23h 7
2026-10-15 35 17–54 8.3 µg/m³ 24h 6
2026-10-14 41 20–169 11.9 µg/m³ 24h 6
2026-10-13 46 16–67 11.6 µg/m³ 24h 5
2026-10-12 38 17–53 9.2 µg/m³ 24h 6
2026-10-11 41 25–70 10.1 µg/m³ 24h 4
2026-10-10 35 16–52 8.4 µg/m³ 24h 6
2026-10-09 35 15–57 8.5 µg/m³ 24h 6
2026-10-08 34 16–55 8.3 µg/m³ 24h 7
2026-10-07 38 15–54 9.2 µg/m³ 12h 6
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