Stay updated with real-time air quality in Mount Holly, 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
Mount Holly, North Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.57 μg/m³
0
55
155
255
425
605+
9.04 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
7.22 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Holly, North Carolina
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AQI 44
Good
7.63μg/m³
PM2.5
39.17μg/m³
PM10
9.05ppb
O3
0.12ppb
SO2
7.08ppb
NO2
0.34ppm
CO
AQI 33
Good
6.50μg/m³
PM2.5
16.11μg/m³
PM10
9.49ppb
O3
0.12ppb
SO2
5.97ppb
NO2
0.34ppm
CO
AQI 49
Good
9.43μg/m³
PM2.5
39.93μg/m³
PM10
8.46ppb
O3
0.10ppb
SO2
8.73ppb
NO2
0.36ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
42.93μg/m³
PM10
9.06ppb
O3
0.10ppb
SO2
8.08ppb
NO2
0.33ppm
CO
AQI 27
Good
4.92μg/m³
PM2.5
22.32μg/m³
PM10
9.44ppb
O3
0.11ppb
SO2
7.50ppb
NO2
0.35ppm
CO
AQI 38
Good
7.34μg/m³
PM2.5
19.67μg/m³
PM10
9.32ppb
O3
0.10ppb
SO2
7.49ppb
NO2
0.33ppm
CO
Air quality measurements for North Carolina, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Mount Holly, North Carolina is updated on an hourly basis.
The worst air quality in Mount Holly, North Carolina was recorded at 02:00:00 on 2025-12-07.
The best air quality in Mount Holly, North Carolina was recorded at 10:00:00 on 2025-12-07.
The real-time air quality index in Mount Holly, North Carolina is 38, currently categorized as Good.
The most common pollutant in Mount Holly, North Carolina is PM2.5.
If the air quality in Mount Holly, North Carolina is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Mount Holly, North Carolina at present are 7.271 μg/m3.
The current PM10 levels in Mount Holly, North Carolina are 19.568 μg/m3.
The current carbon monoxide (CO) level in Mount Holly, North Carolina is 0.348 ppm.
The current sulfur dioxide (SO2) levels in Mount Holly, North Carolina are 0.1 ppb.
The current ozone (O3) levels at Mount Holly, North Carolina is 9.038 ppm.
The current nitrogen dioxide (NO2) levels at Mount Holly, North Carolina is 7.217 ppb.
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