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Air Quality History for Niimi, Japan

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

54
Current AQI
Moderate
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Trend

352h

PM2.5 Trend

352h · 1 station

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-17 51 38–55 12.5 µg/m³ 15.3 6h 1
2026-04-16 48 29–61 12.1 µg/m³ 12.4 23h 1
2026-04-15 31 12–61 7.6 µg/m³ 8.7 23h 1
2026-04-14 59 38–95 16.5 µg/m³ 17.9 23h 1
2026-04-13 64 55–82 18.3 µg/m³ 20.2 16h 1
2026-04-12 64 46–80 18.5 µg/m³ 18.9 23h 1
2026-04-11 52 42–61 13.1 µg/m³ 13.3 23h 1
2026-04-10 38 17–55 9.2 µg/m³ 12.8 23h 1
2026-04-09 52 29–70 13.5 µg/m³ 14.1 14h 1
2026-04-08 59 50–68 15.9 µg/m³ 16.8 9h 1
2026-04-07 42 8–59 10.5 µg/m³ 11.3 23h 1
2026-04-06 71 17–97 22.2 µg/m³ 24.9 16h 1
2026-04-04 35 12–66 8.7 µg/m³ 10.3 15h 1
2026-04-03 67 50–93 19.5 µg/m³ 20.1 23h 1
2026-04-02 51 33–66 12.8 µg/m³ 11.5 21h 1
2026-04-01 27 8–78 6.9 µg/m³ 5.1 16h 1
2026-03-31 23 12–42 5.4 µg/m³ 5.5 20h 1
2026-03-30 42 12–93 12.2 µg/m³ 14.2 9h 1
2026-03-29 105 87–132 37.2 µg/m³ 39.7 21h 1
2026-03-28 72 66–78 21.8 µg/m³ 23.0 5h 1
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