Air Quality in Fort Smith, United States
Windy
16.8°C · 33.4% humidity
16.8°
Feels 16.8°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
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Air Quality Index Trend
27h · 1 stnFort Smith's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
33.4%
Humidity
64.3 km/h
Wind N
1026.2 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.3 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Fort Smith?
Temperature & Precipitation
PM2.5 Trend
27h · 1 stationPM2.511.3 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (1 station within 25 km)
11.3
Median
11.3
Average
11.3
Low
11.3
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -3.1
What is the 7-day forecast for Fort Smith?
10-20
20.9° 3.8°
10-21
22.2° 11.9°
0.5 mm
10-22
25.9° 11.3°
10-23
17.5° 12.1°
0.69 mm
10-24
26.6° 14.5°
10-25
19.9° 7.8°
10-26
25.0° 6.6°
Both models agree
Avg diff: 3.5°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:05 UTC.