Stay updated with real-time air quality in Holly Springs, 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
Holly Springs, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.86 μg/m³
0
55
155
255
425
605+
15.55 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
5.87 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Holly Springs, North Carolina
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AQI 27
Good
5.48μg/m³
PM2.5
16.27μg/m³
PM10
12.01ppb
O3
0.36ppb
SO2
5.42ppb
NO2
0.22ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
15.75μg/m³
PM10
12.86ppb
O3
0.37ppb
SO2
4.28ppb
NO2
0.21ppm
CO
AQI 22
Good
4.42μg/m³
PM2.5
14.37μg/m³
PM10
12.27ppb
O3
0.37ppb
SO2
4.39ppb
NO2
0.20ppm
CO
AQI 22
Good
4.43μg/m³
PM2.5
14.32μg/m³
PM10
12.13ppb
O3
0.37ppb
SO2
4.46ppb
NO2
0.20ppm
CO
AQI 27
Good
4.83μg/m³
PM2.5
18.14μg/m³
PM10
12.74ppb
O3
0.36ppb
SO2
4.14ppb
NO2
0.21ppm
CO
AQI 27
Good
5.06μg/m³
PM2.5
13.01μg/m³
PM10
13.47ppb
O3
0.36ppb
SO2
3.36ppb
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 Holly Springs, North Carolina is updated every hour.
The worst air quality in Holly Springs, 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 Holly Springs, North Carolina was observed at 10:00:00 on 2025-06-06.
The current air quality in Holly Springs, North Carolina is 38, categorized as Good based on real-time data.
The most common pollutant in Holly Springs, North Carolina is PM2.5.
If the air quality in Holly Springs, North Carolina is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Holly Springs, North Carolina is 6.647 μg/m3.
The current PM10 concentration at Holly Springs, North Carolina is 32.863 μg/m3.
The current carbon monoxide (CO) concentration at Holly Springs, North Carolina is 0.265 ppm.
The current sulfur dioxide (SO2) concentration at Holly Springs, North Carolina is 0.38 ppb.
The current ozone (O3) concentration at Holly Springs, North Carolina is 15.555 ppm.
The current nitrogen dioxide (NO2) concentration at Holly Springs, North Carolina is 5.867 ppb.
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