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Air Quality History for Echigawa, Japan

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

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 26 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 35 28–45 8.4 µg/m³ 20.2 10h 27
2026-10-20 44 30–70 10.8 µg/m³ 21.3 24h 25
2026-10-19 46 32–69 11.7 µg/m³ 14.4 24h 22
2026-10-18 35 23–54 8.4 µg/m³ 10.2 24h 27
2026-10-17 51 28–103 13.3 µg/m³ 12.3 24h 22
2026-10-16 56 33–109 15.0 µg/m³ 14.2 24h 20
2026-10-15 57 29–131 15.9 µg/m³ 9.0 24h 22
2026-10-14 49 23–89 12.7 µg/m³ 10.3 24h 20
2026-10-13 70 42–165 22.5 µg/m³ 20.0 24h 20
2026-10-12 57 34–143 15.9 µg/m³ 12.8 24h 21
2026-10-11 55 33–95 15.0 µg/m³ 15.8 24h 19
2026-10-10 51 31–90 13.4 µg/m³ 20.6 24h 21
2026-10-09 55 26–127 15.5 µg/m³ 16.0 24h 22
2026-10-08 34 24–51 8.2 µg/m³ 12.9 24h 31
2026-10-07 40 32–52 9.5 µg/m³ 8.2 11h 29
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