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Live air quality index in Fort Smith, Arkansas today

Stay updated with real-time air quality in Fort Smith, Arkansas featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

27

Good

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Fort Smith, Arkansas

Last updated: ... (Local time)

Major air pollutants in Fort Smith, Arkansas

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.16 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

16.87 μg/m³

0

55

155

255

425

605+

Ozone (O3)

8.13 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.77 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.02 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.33 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Fort Smith, Arkansas

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Fort Smith, Arkansas air quality map: Real-time AQI near you




How accurate is Arkansas, USA air quality data?

Air quality measurements for Arkansas, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.


Frequently asked questions

How frequently is the air quality data for Fort Smith, Arkansas updated?

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Air quality data for Fort Smith, Arkansas is updated on an hourly basis.


When did Fort Smith, Arkansas experience the worst air quality in the last 24 hours?

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The worst air quality in Fort Smith, Arkansas was recorded at 11:00:00 on 2025-06-01.


When did Fort Smith, Arkansas have its best air quality in the last 24 hours?

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The best air quality in Fort Smith, Arkansas was recorded at 10:00:00 on 2025-06-02.


What is the real-time air quality index for Fort Smith, Arkansas?

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The real-time air quality index in Fort Smith, Arkansas is 27, currently categorized as Good.


Which pollutant is found most often in Fort Smith, Arkansas?

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The most common pollutant in Fort Smith, Arkansas is PM2.5.


What can I do if the air quality in Fort Smith, Arkansas is poor?

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If the air quality in Fort Smith, Arkansas is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Fort Smith, Arkansas?

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The measured PM2.5 levels in Fort Smith, Arkansas at present are 5.16 μg/m3.


What are the current PM10 levels at Fort Smith, Arkansas?

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The current PM10 levels in Fort Smith, Arkansas are 16.871 μg/m3.


What are the current carbon monoxide (CO) levels at Fort Smith, Arkansas?

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The current carbon monoxide (CO) level in Fort Smith, Arkansas is 0.334 ppm.


What are the current sulfur dioxide (SO2) levels at Fort Smith, Arkansas?

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The current sulfur dioxide (SO2) levels in Fort Smith, Arkansas are 0.774 ppb.


What are the current ozone (O3) levels at Fort Smith, Arkansas?

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The current ozone (O3) levels at Fort Smith, Arkansas is 8.129 ppm.


What are the current nitrogen dioxide (NO2) levels at Fort Smith, Arkansas?

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The current nitrogen dioxide (NO2) levels at Fort Smith, Arkansas is 3.019 ppb.


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