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Air Quality History for Lewiston, United States

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

26
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

378h

PM2.5 Station

378h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 19 1–50 4.6 µg/m³ 18h 1
2026-09-04 19 3–39 4.6 µg/m³ 22h 1
2026-09-03 25 2–53 6.1 µg/m³ 24h 1
2026-09-02 48 25–69 12.4 µg/m³ 24h 1
2026-09-01 57 29–72 15.8 µg/m³ 23h 1
2026-08-31 70 54–82 20.9 µg/m³ 7h 1
2026-08-29 32 13–54 7.7 µg/m³ 6h 1
2026-08-28 45 9–72 11.4 µg/m³ 22h 1
2026-08-27 55 25–92 14.9 µg/m³ 23h 1
2026-08-26 91 65–121 31.1 µg/m³ 19h 1
2026-08-25 65 29–129 19.4 µg/m³ 22h 1
2026-08-24 32 4–59 8.0 µg/m³ 21h 1
2026-08-23 60 36–87 16.9 µg/m³ 23h 1
2026-08-22 79 47–107 25.2 µg/m³ 19h 1
2026-08-21 76 47–106 24.2 µg/m³ 22h 1
2026-08-20 101 76–167 36.9 µg/m³ 15h 1
2026-08-19 46 19–86 12.3 µg/m³ 22h 1
2026-08-18 65 41–97 18.8 µg/m³ 19h 1
2026-08-17 42 11–73 10.9 µg/m³ 23h 1
2026-08-16 78 66–86 24.7 µg/m³ 4h 1
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