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Air Quality History for Fort Smith, United States

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

35
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

418h

PM2.5 Station

418h · 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 34 28–40 8.2 µg/m³ 2h 2
2026-08-07 32 17–59 7.9 µg/m³ 20h 2
2026-08-06 35 12–51 8.3 µg/m³ 18h 3
2026-08-05 31 19–44 7.4 µg/m³ 20h 3
2026-08-04 38 14–59 9.2 µg/m³ 23h 3
2026-08-03 34 17–90 8.6 µg/m³ 21h 2
2026-08-02 35 20–52 8.4 µg/m³ 24h 3
2026-08-01 40 23–66 9.9 µg/m³ 23h 3
2026-07-31 38 18–58 9.3 µg/m³ 22h 3
2026-07-30 32 13–56 7.8 µg/m³ 19h 2
2026-07-29 44 31–69 11.0 µg/m³ 21h 3
2026-07-28 47 24–63 11.9 µg/m³ 22h 2
2026-07-27 52 31–161 14.8 µg/m³ 20h 3
2026-07-26 38 6–57 9.3 µg/m³ 21h 2
2026-07-25 36 20–64 8.7 µg/m³ 23h 2
2026-07-24 33 5–52 7.9 µg/m³ 23h 3
2026-07-23 39 17–70 9.6 µg/m³ 24h 3
2026-07-22 42 23–76 10.8 µg/m³ 22h 3
2026-07-21 50 27–117 13.3 µg/m³ 17h 2
2026-07-20 60 27–125 17.6 µg/m³ 19h 3
2026-07-19 51 22–141 14.6 µg/m³ 14h 2
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