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
7.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.12 μg/m³
0
55
155
255
425
605+
19.07 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
2.35 ppb
0
54
101
361
1250
2050+
0.21 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 44
Good
7.75μg/m³
PM2.5
19.00μg/m³
PM10
29.79ppb
O3
0.48ppb
SO2
3.55ppb
NO2
0.26ppm
CO
AQI 44
Good
8.39μg/m³
PM2.5
24.04μg/m³
PM10
31.96ppb
O3
0.47ppb
SO2
3.45ppb
NO2
0.28ppm
CO
AQI 44
Good
8.07μg/m³
PM2.5
19.08μg/m³
PM10
30.66ppb
O3
0.47ppb
SO2
3.84ppb
NO2
0.28ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
19.78μg/m³
PM10
28.21ppb
O3
0.48ppb
SO2
3.50ppb
NO2
0.26ppm
CO
AQI 58
Moderate
12.79μg/m³
PM2.5
56.92μg/m³
PM10
37.31ppb
O3
0.47ppb
SO2
3.96ppb
NO2
0.27ppm
CO
AQI 38
Good
7.45μg/m³
PM2.5
24.17μg/m³
PM10
28.03ppb
O3
0.48ppb
SO2
3.61ppb
NO2
0.27ppm
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 2025-07-21.
In the last 24 hrs, the best air quality in Knightdale, North Carolina was observed at 05:00:00 on 2025-07-20.
The current air quality in Knightdale, North Carolina is 49, 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 9.228 μg/m3.
The current PM10 concentration at Knightdale, North Carolina is 28.113 μg/m3.
The current carbon monoxide (CO) concentration at Knightdale, North Carolina is 0.278 ppm.
The current sulfur dioxide (SO2) concentration at Knightdale, North Carolina is 0.475 ppb.
The current ozone (O3) concentration at Knightdale, North Carolina is 32.997 ppm.
The current nitrogen dioxide (NO2) concentration at Knightdale, North Carolina is 2.777 ppb.
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