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)
38
Good
Knightdale, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.07 μg/m³
0
55
155
255
425
605+
36.56 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
4.30 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Knightdale, North Carolina
Knightdale, North Carolina
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AQI 34
Good
6.10μg/m³
PM2.5
23.57μg/m³
PM10
36.89ppb
O3
0.44ppb
SO2
4.80ppb
NO2
0.19ppm
CO
AQI 38
Good
6.93μg/m³
PM2.5
18.62μg/m³
PM10
37.27ppb
O3
0.28ppb
SO2
4.69ppb
NO2
0.20ppm
CO
AQI 35
Good
6.18μg/m³
PM2.5
23.45μg/m³
PM10
37.77ppb
O3
0.35ppb
SO2
4.57ppb
NO2
0.20ppm
CO
AQI 38
Good
6.88μg/m³
PM2.5
19.26μg/m³
PM10
37.26ppb
O3
0.38ppb
SO2
4.64ppb
NO2
0.19ppm
CO
AQI 31
Good
5.14μg/m³
PM2.5
20.91μg/m³
PM10
33.41ppb
O3
0.43ppb
SO2
4.64ppb
NO2
0.19ppm
CO
AQI 38
Good
6.55μg/m³
PM2.5
23.70μg/m³
PM10
38.13ppb
O3
0.38ppb
SO2
4.71ppb
NO2
0.19ppm
CO
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.
Source: Ambee Data Sources
The air quality for Knightdale, North Carolina is updated every hour.
The worst air quality in Knightdale, North Carolina in the last 24 hours was observed at 09:00:00 on 2025-10-21.
In the last 24 hrs, the best air quality in Knightdale, North Carolina was observed at 03:00:00 on 2025-10-22.
The current air quality in Knightdale, North Carolina is 38, categorized as Good based on real-time data.
The most common pollutant in Knightdale, North Carolina is PM2.5.
If the air quality in Knightdale, North Carolina is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Knightdale, North Carolina is 6.587 μg/m3.
The current PM10 concentration at Knightdale, North Carolina is 18.07 μg/m3.
The current carbon monoxide (CO) concentration at Knightdale, North Carolina is 0.198 ppm.
The current sulfur dioxide (SO2) concentration at Knightdale, North Carolina is 0.291 ppb.
The current ozone (O3) concentration at Knightdale, North Carolina is 36.558 ppm.
The current nitrogen dioxide (NO2) concentration at Knightdale, North Carolina is 4.298 ppb.
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