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Air Quality History for Otaru, Japan

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

9
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 15 1–24 3.6 µg/m³ 4h 3
2026-06-08 29 9–86 7.4 µg/m³ 24h 3
2026-06-07 28 10–72 6.8 µg/m³ 24h 3
2026-06-06 38 15–77 9.6 µg/m³ 24h 4
2026-06-05 30 10–43 7.2 µg/m³ 23h 4
2026-06-04 34 9–72 8.4 µg/m³ 24h 3
2026-06-03 28 2–53 6.6 µg/m³ 24h 3
2026-06-02 29 7–81 7.5 µg/m³ 24h 3
2026-06-01 48 30–78 12.7 µg/m³ 24h 3
2026-05-31 51 35–79 13.2 µg/m³ 24h 3
2026-05-30 44 25–72 11.0 µg/m³ 24h 3
2026-05-29 36 9–57 8.8 µg/m³ 24h 3
2026-05-28 36 9–59 8.8 µg/m³ 24h 3
2026-05-27 26 5–52 6.2 µg/m³ 24h 3
2026-05-26 32 10–55 7.6 µg/m³ 24h 3
2026-05-25 34 18–58 8.4 µg/m³ 23h 3
2026-05-24 37 14–78 9.4 µg/m³ 24h 2
2026-05-23 34 15–76 8.5 µg/m³ 24h 2
2026-05-22 30 5–59 7.3 µg/m³ 24h 3
2026-05-21 38 8–76 9.7 µg/m³ 24h 3
2026-05-20 31 13–68 7.8 µg/m³ 20h 2
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