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Air Quality History for Chikuma, Japan

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

20
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

462h

PM2.5 Station

462h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 42 23–55 10.1 µg/m³ 14h 3
2026-05-28 30 17–48 7.2 µg/m³ 23h 3
2026-05-27 30 9–54 7.2 µg/m³ 23h 3
2026-05-26 30 11–54 7.2 µg/m³ 24h 3
2026-05-25 35 18–53 8.3 µg/m³ 24h 3
2026-05-24 31 14–52 7.4 µg/m³ 23h 3
2026-05-23 35 18–73 8.8 µg/m³ 24h 3
2026-05-22 25 10–40 6.0 µg/m³ 24h 3
2026-05-21 30 12–54 7.2 µg/m³ 24h 3
2026-05-20 32 15–58 7.7 µg/m³ 24h 3
2026-05-19 41 30–60 10.1 µg/m³ 24h 3
2026-05-18 52 35–67 13.3 µg/m³ 23h 3
2026-05-17 45 20–70 11.1 µg/m³ 22h 3
2026-05-16 52 32–63 13.2 µg/m³ 20h 3
2026-05-15 50 28–64 12.4 µg/m³ 23h 3
2026-05-14 50 37–70 12.3 µg/m³ 24h 3
2026-05-13 38 24–52 9.0 µg/m³ 22h 3
2026-05-12 33 15–56 8.0 µg/m³ 24h 3
2026-05-11 45 26–102 12.2 µg/m³ 20h 2
2026-05-10 39 18–70 9.8 µg/m³ 24h 3
2026-05-09 27 18–42 6.4 µg/m³ 9h 4
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