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
7.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.21 μg/m³
0
55
155
255
425
605+
15.16 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
2.21 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Holly Springs, North Carolina
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AQI 38
Good
6.95μg/m³
PM2.5
19.77μg/m³
PM10
18.88ppb
O3
0.40ppb
SO2
2.17ppb
NO2
0.20ppm
CO
AQI 38
Good
7.13μg/m³
PM2.5
18.09μg/m³
PM10
17.48ppb
O3
0.41ppb
SO2
2.31ppb
NO2
0.23ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
23.18μg/m³
PM10
21.88ppb
O3
0.40ppb
SO2
2.85ppb
NO2
0.27ppm
CO
AQI 38
Good
7.05μg/m³
PM2.5
23.01μg/m³
PM10
22.12ppb
O3
0.40ppb
SO2
2.90ppb
NO2
0.28ppm
CO
AQI 44
Good
7.90μg/m³
PM2.5
15.74μg/m³
PM10
20.16ppb
O3
0.39ppb
SO2
2.00ppb
NO2
0.17ppm
CO
AQI 44
Good
7.88μg/m³
PM2.5
18.20μg/m³
PM10
18.97ppb
O3
0.39ppb
SO2
1.97ppb
NO2
0.16ppm
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 01:00:00 on 2025-06-15.
In the last 24 hrs, the best air quality in Holly Springs, North Carolina was observed at 03:00:00 on 2025-06-15.
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 7.12 μg/m3.
The current PM10 concentration at Holly Springs, North Carolina is 23.213 μg/m3.
The current carbon monoxide (CO) concentration at Holly Springs, North Carolina is 0.211 ppm.
The current sulfur dioxide (SO2) concentration at Holly Springs, North Carolina is 0.403 ppb.
The current ozone (O3) concentration at Holly Springs, North Carolina is 15.161 ppm.
The current nitrogen dioxide (NO2) concentration at Holly Springs, North Carolina is 2.214 ppb.
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