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
Knightdale, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.96 μg/m³
0
55
155
255
425
605+
10.50 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
2.65 ppb
0
54
101
361
1250
2050+
0.13 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
5.31μg/m³
PM2.5
19.36μg/m³
PM10
8.67ppb
O3
0.38ppb
SO2
3.08ppb
NO2
0.15ppm
CO
AQI 27
Good
5.16μg/m³
PM2.5
15.23μg/m³
PM10
10.37ppb
O3
0.39ppb
SO2
2.60ppb
NO2
0.13ppm
CO
AQI 27
Good
5.12μg/m³
PM2.5
15.62μg/m³
PM10
8.05ppb
O3
0.39ppb
SO2
3.09ppb
NO2
0.15ppm
CO
AQI 27
Good
5.40μg/m³
PM2.5
19.27μg/m³
PM10
11.86ppb
O3
0.39ppb
SO2
2.97ppb
NO2
0.14ppm
CO
AQI 33
Good
6.43μg/m³
PM2.5
28.41μg/m³
PM10
10.03ppb
O3
0.39ppb
SO2
2.98ppb
NO2
0.16ppm
CO
AQI 27
Good
5.29μg/m³
PM2.5
19.67μg/m³
PM10
8.62ppb
O3
0.39ppb
SO2
2.91ppb
NO2
0.15ppm
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 05:00:00 on 2025-06-05.
In the last 24 hrs, the best air quality in Knightdale, North Carolina was observed at 07:00:00 on 2025-06-06.
The current air quality in Knightdale, North Carolina is 33, 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 5.569 μg/m3.
The current PM10 concentration at Knightdale, North Carolina is 17.959 μg/m3.
The current carbon monoxide (CO) concentration at Knightdale, North Carolina is 0.127 ppm.
The current sulfur dioxide (SO2) concentration at Knightdale, North Carolina is 0.39 ppb.
The current ozone (O3) concentration at Knightdale, North Carolina is 10.501 ppm.
The current nitrogen dioxide (NO2) concentration at Knightdale, North Carolina is 2.648 ppb.
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