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)
54
Moderate
Knightdale, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.59 μg/m³
0
55
155
255
425
605+
36.97 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
9.23 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Knightdale, North Carolina
Knightdale, North Carolina
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AQI 52
Moderate
10.21μg/m³
PM2.5
27.84μg/m³
PM10
44.98ppb
O3
0.20ppb
SO2
5.03ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.05μg/m³
PM2.5
31.22μg/m³
PM10
44.98ppb
O3
0.16ppb
SO2
5.43ppb
NO2
0.23ppm
CO
AQI 54
Moderate
10.51μg/m³
PM2.5
27.27μg/m³
PM10
45.09ppb
O3
0.17ppb
SO2
4.83ppb
NO2
0.23ppm
CO
AQI 52
Moderate
10.48μg/m³
PM2.5
26.34μg/m³
PM10
45.00ppb
O3
0.18ppb
SO2
4.90ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
48.61μg/m³
PM10
50.35ppb
O3
0.22ppb
SO2
5.28ppb
NO2
0.24ppm
CO
AQI 54
Moderate
10.51μg/m³
PM2.5
27.46μg/m³
PM10
45.03ppb
O3
0.18ppb
SO2
4.72ppb
NO2
0.23ppm
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 10:00:00 on 2025-09-05.
In the last 24 hrs, the best air quality in Knightdale, North Carolina was observed at 12:00:00 on 2025-09-05.
The current air quality in Knightdale, North Carolina is 54, categorized as Moderate 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 10.909 μg/m3.
The current PM10 concentration at Knightdale, North Carolina is 25.592 μg/m3.
The current carbon monoxide (CO) concentration at Knightdale, North Carolina is 0.373 ppm.
The current sulfur dioxide (SO2) concentration at Knightdale, North Carolina is 0.161 ppb.
The current ozone (O3) concentration at Knightdale, North Carolina is 36.965 ppm.
The current nitrogen dioxide (NO2) concentration at Knightdale, North Carolina is 9.23 ppb.
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