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Live air quality index in Knightdale, North Carolina today

Stay updated with real-time air quality in Knightdale, 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)

33

Good

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Knightdale, North Carolina

Last updated: ... (Local time)

Major air pollutants in Knightdale, North Carolina

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.57 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

17.96 μg/m³

0

55

155

255

425

605+

Ozone (O3)

10.50 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.39 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

2.65 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Knightdale, North Carolina

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Knightdale, North Carolina air quality map: Track AQI near you




How accurate is North Carolina, USA air quality data?

Air quality data and pollutant measurements for North Carolina, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Knightdale, North Carolina updated?

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The air quality for Knightdale, North Carolina is updated every hour.


When was the worst air quality at Knightdale, North Carolina in the last 24 hrs?

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The worst air quality in Knightdale, North Carolina in the last 24 hours was observed at 05:00:00 on 2025-06-05.


When was the best air quality at Knightdale, North Carolina in the last 24 hrs?

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In the last 24 hrs, the best air quality in Knightdale, North Carolina was observed at 07:00:00 on 2025-06-06.


What is the current air quality in Knightdale, North Carolina?

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The current air quality in Knightdale, North Carolina is 33, categorized as Good based on real-time data.


What pollutant is the most common in Knightdale, North Carolina?

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


What should I do if the air quality in Knightdale, North Carolina is poor?

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If the air quality in Knightdale, North Carolina is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Knightdale, North Carolina?

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The current PM2.5 concentration at Knightdale, North Carolina is 5.569 μg/m3.


What is the current concentration of PM10 in Knightdale, North Carolina?

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The current PM10 concentration at Knightdale, North Carolina is 17.959 μg/m3.


What is the current concentration of carbon monoxide (CO) in Knightdale, North Carolina?

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The current carbon monoxide (CO) concentration at Knightdale, North Carolina is 0.127 ppm.


What is the current concentration of sulfur dioxide (SO2) in Knightdale, North Carolina?

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The current sulfur dioxide (SO2) concentration at Knightdale, North Carolina is 0.39 ppb.


What is the current concentration of ozone (O3) in Knightdale, North Carolina?

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The current ozone (O3) concentration at Knightdale, North Carolina is 10.501 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Knightdale, North Carolina?

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The current nitrogen dioxide (NO2) concentration at Knightdale, North Carolina is 2.648 ppb.


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