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Air Quality History for Otaru, Japan

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

13
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

436h

PM2.5 Station

436h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-23 38 13–73 9.6 µg/m³ 18h 2
2026-09-22 35 18–68 8.8 µg/m³ 22h 2
2026-09-21 38 12–99 10.3 µg/m³ 20h 3
2026-09-20 31 10–104 8.4 µg/m³ 23h 3
2026-09-19 28 13–64 6.8 µg/m³ 22h 2
2026-09-18 32 13–65 7.9 µg/m³ 22h 3
2026-09-17 27 17–64 6.5 µg/m³ 22h 3
2026-09-16 30 17–66 7.3 µg/m³ 22h 3
2026-09-15 32 10–152 9.2 µg/m³ 22h 3
2026-09-14 25 10–71 6.1 µg/m³ 24h 3
2026-09-13 28 8–77 6.9 µg/m³ 21h 3
2026-09-12 34 15–90 8.6 µg/m³ 21h 3
2026-09-11 31 8–134 8.2 µg/m³ 22h 2
2026-09-10 31 7–149 8.3 µg/m³ 23h 2
2026-09-09 34 9–99 8.8 µg/m³ 22h 2
2026-09-08 30 7–63 7.3 µg/m³ 22h 2
2026-09-07 29 6–89 7.6 µg/m³ 22h 2
2026-09-06 26 10–85 6.5 µg/m³ 21h 2
2026-09-05 38 15–107 10.3 µg/m³ 20h 3
2026-09-04 30 9–96 7.9 µg/m³ 23h 2
2026-09-03 29 6–52 7.0 µg/m³ 2h 2
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