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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

Air Quality Index Trend

42h

PM2.5 Trend

42h · 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 28 12–61 7.0 µg/m³ 8.0 13h 1
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