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Air Quality History for Hitachi, Japan

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

78
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

327h

PM2.5 Station

327h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 72 72–73 22.4 µg/m³ 2h 4
2026-07-21 56 25–99 15.6 µg/m³ 20h 3
2026-07-20 50 15–72 13.2 µg/m³ 24h 4
2026-07-19 46 19–74 11.7 µg/m³ 24h 5
2026-07-18 40 17–71 10.1 µg/m³ 24h 5
2026-07-17 50 20–69 12.7 µg/m³ 24h 5
2026-07-16 57 41–81 15.3 µg/m³ 24h 5
2026-07-15 53 32–66 13.6 µg/m³ 24h 5
2026-07-14 45 25–60 11.1 µg/m³ 24h 6
2026-07-13 48 33–69 12.0 µg/m³ 22h 5
2026-07-12 47 23–61 11.8 µg/m³ 24h 5
2026-07-11 28 17–78 7.0 µg/m³ 23h 6
2026-07-10 30 14–52 7.3 µg/m³ 24h 6
2026-07-09 39 19–57 9.4 µg/m³ 23h 5
2026-07-08 32 16–45 7.6 µg/m³ 21h 5
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