Air Quality in Fort Smith, United States

Drizzle
30.4°C · 60.0% humidity
30.4°
Feels 35.0°
72
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
54 9am
54
54
72 12pm
67
63
61 3pm
59
57
36 6pm
56
55
55 9pm
55
54
54 12am
54
54
54 3am
54
54
54 6am
54
27
AD 728×90

Air Quality Index Trend

20h · 1 stn

Fort 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. Current PM2.5 concentration in Fort Smith is 1.5× the WHO 24-hour guideline of 15 µg/m³.

60.0%
Humidity
45.2 km/h
Wind ESE
1008.5 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
72
22.1 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Fort Smith?

Temperature & Precipitation

PM2.5 Trend

20h · 1 station
PM2.522.1 µg/m³ ×1.5 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
22.1
Median
22.1
Average
22.1
Low
22.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -8.6
Both models agree Avg diff: 4.0°C

Where are air quality stations near Fort Smith?

45
Roland, Oklahoma, USA
11.7 km PM2.5: 10.8 µg/m³

What cities are near Fort Smith?

72 Van Buren 59 Tahlequah 54 Fayetteville 57 Siloam Springs 54 Springdale 60 Muskogee 54 Rogers 54 Bentonville 51 Russellville 56 Bella Vista
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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 2026-07-21T17:13 UTC.