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)
27
Good
Knightdale, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.38 μg/m³
0
55
155
255
425
605+
17.89 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
3.26 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Knightdale, North Carolina
Knightdale, North Carolina
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AQI 27
Good
5.29μg/m³
PM2.5
14.39μg/m³
PM10
20.49ppb
O3
0.46ppb
SO2
2.95ppb
NO2
0.20ppm
CO
AQI 27
Good
5.47μg/m³
PM2.5
16.57μg/m³
PM10
18.73ppb
O3
0.47ppb
SO2
3.40ppb
NO2
0.20ppm
CO
AQI 33
Good
5.73μg/m³
PM2.5
13.42μg/m³
PM10
19.39ppb
O3
0.47ppb
SO2
3.20ppb
NO2
0.20ppm
CO
AQI 27
Good
5.33μg/m³
PM2.5
14.39μg/m³
PM10
20.63ppb
O3
0.46ppb
SO2
3.00ppb
NO2
0.20ppm
CO
AQI 27
Good
5.40μg/m³
PM2.5
22.40μg/m³
PM10
18.09ppb
O3
0.46ppb
SO2
3.04ppb
NO2
0.19ppm
CO
AQI 27
Good
5.42μg/m³
PM2.5
13.04μg/m³
PM10
15.80ppb
O3
0.47ppb
SO2
3.05ppb
NO2
0.20ppm
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 06:00:00 on 2025-06-13.
In the last 24 hrs, the best air quality in Knightdale, North Carolina was observed at 02:00:00 on 2025-06-14.
The current air quality in Knightdale, North Carolina is 27, 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 5.331 μg/m3.
The current PM10 concentration at Knightdale, North Carolina is 16.382 μg/m3.
The current carbon monoxide (CO) concentration at Knightdale, North Carolina is 0.199 ppm.
The current sulfur dioxide (SO2) concentration at Knightdale, North Carolina is 0.469 ppb.
The current ozone (O3) concentration at Knightdale, North Carolina is 17.888 ppm.
The current nitrogen dioxide (NO2) concentration at Knightdale, North Carolina is 3.256 ppb.
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