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Air Quality History for Eugene, United States

Historical PM2.5 and AQI trend from monitoring stations near Eugene, United States.

32
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 6 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 27 17–35 6.5 µg/m³ 7h 6
2026-10-20 21 12–42 5.1 µg/m³ 24h 5
2026-10-19 20 13–28 4.9 µg/m³ 24h 5
2026-10-18 16 11–21 3.8 µg/m³ 24h 5
2026-10-17 20 12–28 4.9 µg/m³ 24h 6
2026-10-16 22 12–37 5.3 µg/m³ 24h 5
2026-10-15 21 11–31 5.0 µg/m³ 24h 5
2026-10-14 22 11–38 5.3 µg/m³ 24h 4
2026-10-13 29 10–81 7.3 µg/m³ 24h 5
2026-10-12 20 8–59 4.8 µg/m³ 24h 5
2026-10-11 16 11–22 3.8 µg/m³ 24h 4
2026-10-10 13 8–19 3.2 µg/m³ 24h 5
2026-10-09 23 5–46 5.6 µg/m³ 24h 4
2026-10-08 27 15–34 6.4 µg/m³ 24h 5
2026-10-07 22 15–31 5.1 µg/m³ 24h 5
2026-10-06 22 17–29 5.2 µg/m³ 24h 5
2026-10-05 23 15–34 5.5 µg/m³ 24h 6
2026-10-04 20 10–29 4.7 µg/m³ 24h 5
2026-10-03 16 9–28 3.9 µg/m³ 24h 6
2026-10-02 17 12–22 4.0 µg/m³ 24h 5
2026-10-01 16 9–26 3.7 µg/m³ 15h 5
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