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Air Quality History for Salem, United States

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

25
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 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 46 46–46 11.0 µg/m³ 1h 1
2026-07-21 41 9–67 10.9 µg/m³ 15h 1
2026-07-20 75 26–178 27.3 µg/m³ 17h 1
2026-07-19 64 18–167 21.2 µg/m³ 20h 1
2026-07-18 104 22–221 44.1 µg/m³ 18h 1
2026-07-17 111 14–260 68.0 µg/m³ 19h 1
2026-07-16 100 15–211 51.4 µg/m³ 19h 2
2026-07-15 53 23–98 14.1 µg/m³ 14h 2
2026-07-14 38 13–57 9.3 µg/m³ 16h 1
2026-07-13 39 11–184 13.4 µg/m³ 19h 1
2026-07-12 36 7–71 8.9 µg/m³ 17h 1
2026-07-11 37 5–82 9.7 µg/m³ 14h 1
2026-07-10 44 6–147 12.1 µg/m³ 14h 1
2026-07-09 34 21–63 8.4 µg/m³ 17h 1
2026-07-08 28 15–40 6.7 µg/m³ 20h 2
2026-07-07 26 2–38 6.3 µg/m³ 22h 2
2026-07-06 28 12–40 6.6 µg/m³ 12h 1
2026-07-05 38 8–154 10.8 µg/m³ 15h 1
2026-07-04 28 9–51 6.7 µg/m³ 15h 2
2026-07-03 43 4–68 11.1 µg/m³ 19h 1
2026-07-02 41 13–76 11.3 µg/m³ 9h 1
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