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Air Quality History for Lewiston, United States

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

94
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

249h

PM2.5 Station

249h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 84 60–115 27.6 µg/m³ 10h 1
2026-07-20 43 5–71 11.7 µg/m³ 11h 1
2026-07-19 51 25–66 13.5 µg/m³ 15h 1
2026-07-18 69 43–113 21.0 µg/m³ 12h 1
2026-07-17 80 20–136 26.7 µg/m³ 8h 1
2026-07-16 44 15–57 10.9 µg/m³ 4h 1
2026-07-15 39 14–60 9.6 µg/m³ 13h 1
2026-07-14 33 5–60 8.2 µg/m³ 8h 1
2026-07-13 33 5–76 8.5 µg/m³ 13h 1
2026-07-12 23 2–52 5.6 µg/m³ 17h 1
2026-07-11 28 2–74 7.0 µg/m³ 18h 1
2026-07-10 26 1–54 6.3 µg/m³ 19h 1
2026-07-09 42 5–78 11.2 µg/m³ 13h 1
2026-07-08 31 13–65 7.9 µg/m³ 7h 1
2026-07-07 39 17–58 9.9 µg/m³ 5h 1
2026-07-06 34 7–65 8.9 µg/m³ 7h 1
2026-07-05 35 1–84 9.3 µg/m³ 19h 1
2026-07-04 29 5–61 7.3 µg/m³ 19h 1
2026-07-03 27 8–57 6.7 µg/m³ 23h 1
2026-07-02 35 21–52 8.4 µg/m³ 8h 1
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