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Air Quality History for Lewiston, United States

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

5
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

262h

PM2.5 Station

262h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 21 4–53 5.2 µg/m³ 3h 1
2026-07-21 35 11–60 8.7 µg/m³ 10h 1
2026-07-20 63 17–110 19.8 µg/m³ 10h 1
2026-07-19 56 20–181 20.5 µg/m³ 13h 1
2026-07-18 49 30–72 12.6 µg/m³ 10h 1
2026-07-17 95 20–257 42.8 µg/m³ 11h 1
2026-07-16 80 12–305 46.5 µg/m³ 14h 1
2026-07-15 54 13–191 20.0 µg/m³ 14h 1
2026-07-14 36 13–75 9.2 µg/m³ 14h 1
2026-07-13 33 9–68 8.3 µg/m³ 16h 1
2026-07-12 29 11–67 7.2 µg/m³ 11h 1
2026-07-11 29 17–57 7.0 µg/m³ 15h 1
2026-07-10 37 19–104 9.9 µg/m³ 13h 1
2026-07-09 36 11–56 8.8 µg/m³ 16h 1
2026-07-08 29 8–56 6.9 µg/m³ 19h 1
2026-07-07 34 15–52 8.0 µg/m³ 14h 2
2026-07-06 29 14–38 6.9 µg/m³ 8h 1
2026-07-05 50 23–155 14.4 µg/m³ 17h 2
2026-07-04 28 6–49 6.7 µg/m³ 13h 1
2026-07-03 45 20–68 11.5 µg/m³ 17h 1
2026-07-02 60 54–65 16.1 µg/m³ 4h 1
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