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Air Quality History for Kumagaya, Japan

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

39
Current AQI
Good

Air Quality Index Trend

233h

PM2.5 Trend

233h · 5 stations

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-15 36 27–48 8.6 µg/m³ 12.8 17h 4
2026-04-14 51 41–62 12.9 µg/m³ 19.3 24h 4
2026-04-13 49 42–59 12.1 µg/m³ 17.9 14h 4
2026-04-12 46 38–53 11.0 µg/m³ 15.2 22h 4
2026-04-11 48 31–63 12.4 µg/m³ 17.3 21h 4
2026-04-10 32 10–59 7.9 µg/m³ 12.5 19h 4
2026-04-09 28 23–35 6.7 µg/m³ 11.1 14h 4
2026-04-08 33 27–35 7.9 µg/m³ 9.7 7h 4
2026-04-07 29 5–61 7.2 µg/m³ 10.7 22h 4
2026-04-06 50 42–59 12.2 µg/m³ 18.2 16h 4
2026-04-04 35 18–53 8.4 µg/m³ 12.8 14h 4
2026-04-03 32 25–42 7.7 µg/m³ 10.8 20h 4
2026-04-02 17 6–32 4.1 µg/m³ 5.5 19h 4
2026-04-01 7 4–10 1.8 µg/m³ 1.5 4h 2
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