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Air Quality History for Niimi, Japan

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

58
Current AQI
Moderate
48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

304h · 1 station

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-12 52 46–55 13.0 µg/m³ 14.2 4h 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 83 66–102 27.3 µg/m³ 29.2 15h 1
2026-03-27 68 25–99 20.6 µg/m³ 21.5 23h 1
2026-03-26 33 12–46 7.9 µg/m³ 7.2 23h 1
2026-03-25 25 17–33 6.0 µg/m³ 7.7 6h 1
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