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Live air quality index in Smithfield, North Carolina today

Stay updated with real-time air quality in Smithfield, North Carolina 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)

54

Moderate

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Smithfield, North Carolina

Last updated: ... (Local time)

Major air pollutants in Smithfield, North Carolina

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

10.66 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

32.04 μg/m³

0

55

155

255

425

605+

Ozone (O3)

53.89 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.39 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

4.94 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Smithfield, North Carolina

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Smithfield, North Carolina air quality map: Real-time AQI near you




How accurate is North Carolina, USA air quality data?

Air quality measurements for North Carolina, 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 Smithfield, North Carolina updated?

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Air quality data for Smithfield, North Carolina is updated on an hourly basis.


When did Smithfield, North Carolina experience the worst air quality in the last 24 hours?

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The worst air quality in Smithfield, North Carolina was recorded at 05:00:00 on 2025-06-04.


When did Smithfield, North Carolina have its best air quality in the last 24 hours?

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The best air quality in Smithfield, North Carolina was recorded at 03:00:00 on 2025-06-04.


What is the real-time air quality index for Smithfield, North Carolina?

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The real-time air quality index in Smithfield, North Carolina is 54, currently categorized as Moderate.


Which pollutant is found most often in Smithfield, North Carolina?

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The most common pollutant in Smithfield, North Carolina is PM2.5.


What can I do if the air quality in Smithfield, North Carolina is poor?

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If the air quality in Smithfield, North Carolina is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Smithfield, North Carolina?

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The measured PM2.5 levels in Smithfield, North Carolina at present are 10.66 μg/m3.


What are the current PM10 levels at Smithfield, North Carolina?

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The current PM10 levels in Smithfield, North Carolina are 32.038 μg/m3.


What are the current carbon monoxide (CO) levels at Smithfield, North Carolina?

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The current carbon monoxide (CO) level in Smithfield, North Carolina is 0.239 ppm.


What are the current sulfur dioxide (SO2) levels at Smithfield, North Carolina?

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The current sulfur dioxide (SO2) levels in Smithfield, North Carolina are 0.392 ppb.


What are the current ozone (O3) levels at Smithfield, North Carolina?

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The current ozone (O3) levels at Smithfield, North Carolina is 53.89 ppm.


What are the current nitrogen dioxide (NO2) levels at Smithfield, North Carolina?

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The current nitrogen dioxide (NO2) levels at Smithfield, North Carolina is 4.937 ppb.


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