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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

387h

PM2.5 Station

387h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-08-08 15 13–18 3.7 µg/m³ 3h 3
2026-08-07 24 12–51 5.8 µg/m³ 20h 3
2026-08-06 55 13–112 16.0 µg/m³ 18h 2
2026-08-05 51 10–119 13.9 µg/m³ 20h 2
2026-08-04 52 18–152 15.3 µg/m³ 22h 2
2026-08-03 46 8–158 13.8 µg/m³ 19h 2
2026-08-02 31 15–61 7.7 µg/m³ 21h 3
2026-08-01 32 17–50 7.7 µg/m³ 21h 3
2026-07-31 31 14–44 7.4 µg/m³ 20h 2
2026-07-30 37 15–128 9.9 µg/m³ 20h 2
2026-07-29 36 22–65 8.8 µg/m³ 21h 2
2026-07-28 48 25–78 12.2 µg/m³ 20h 3
2026-07-27 43 21–63 10.6 µg/m³ 22h 3
2026-07-26 31 1–68 7.6 µg/m³ 21h 2
2026-07-25 25 12–41 6.0 µg/m³ 18h 3
2026-07-24 25 13–52 6.1 µg/m³ 15h 2
2026-07-23 33 21–64 8.0 µg/m³ 17h 2
2026-07-22 28 10–56 6.8 µg/m³ 17h 3
2026-07-21 47 9–89 12.6 µg/m³ 18h 2
2026-07-20 57 14–116 17.0 µg/m³ 19h 2
2026-07-19 55 10–103 16.8 µg/m³ 15h 3
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