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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

466h

PM2.5 Station

466h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-29 26 14–55 6.2 µg/m³ 16h 3
2026-05-28 24 15–47 5.8 µg/m³ 22h 3
2026-05-27 40 12–297 16.9 µg/m³ 24h 4
2026-05-26 20 10–47 4.7 µg/m³ 24h 4
2026-05-25 26 11–52 6.1 µg/m³ 24h 3
2026-05-24 22 10–39 5.3 µg/m³ 24h 4
2026-05-23 18 5–38 4.4 µg/m³ 24h 3
2026-05-22 25 13–52 6.1 µg/m³ 24h 3
2026-05-21 19 6–30 4.5 µg/m³ 24h 3
2026-05-20 25 6–66 6.1 µg/m³ 24h 3
2026-05-19 27 8–61 6.7 µg/m³ 24h 3
2026-05-18 23 4–52 5.5 µg/m³ 23h 3
2026-05-17 18 5–54 4.4 µg/m³ 21h 3
2026-05-16 20 9–36 4.8 µg/m³ 20h 3
2026-05-15 19 5–33 4.6 µg/m³ 24h 3
2026-05-14 21 5–47 5.1 µg/m³ 24h 3
2026-05-13 27 14–62 6.7 µg/m³ 24h 3
2026-05-12 26 13–43 6.2 µg/m³ 24h 3
2026-05-11 27 11–54 6.5 µg/m³ 23h 3
2026-05-10 26 11–56 6.3 µg/m³ 22h 3
2026-05-09 24 19–32 5.7 µg/m³ 7h 3
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