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)
49
Good
Mount Holly, North Carolina
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.38 μg/m³
0
55
155
255
425
605+
40.25 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
6.20 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Holly, North Carolina
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AQI 49
Good
8.86μg/m³
PM2.5
36.59μg/m³
PM10
33.13ppb
O3
0.18ppb
SO2
7.65ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.68μg/m³
PM2.5
36.94μg/m³
PM10
33.08ppb
O3
0.18ppb
SO2
7.41ppb
NO2
0.21ppm
CO
AQI 54
Moderate
10.69μg/m³
PM2.5
43.44μg/m³
PM10
34.58ppb
O3
0.12ppb
SO2
8.48ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.51μg/m³
PM2.5
29.43μg/m³
PM10
38.74ppb
O3
0.16ppb
SO2
8.21ppb
NO2
0.21ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
34.93μg/m³
PM10
32.83ppb
O3
0.13ppb
SO2
7.98ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.60μg/m³
PM2.5
37.59μg/m³
PM10
37.67ppb
O3
0.17ppb
SO2
7.82ppb
NO2
0.21ppm
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 03:00:00 on 2025-09-04.
The best air quality in Mount Holly, North Carolina was recorded at 12:00:00 on 2025-09-04.
The real-time air quality index in Mount Holly, North Carolina is 49, 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 9.321 μg/m3.
The current PM10 levels in Mount Holly, North Carolina are 43.379 μg/m3.
The current carbon monoxide (CO) level in Mount Holly, North Carolina is 0.2 ppm.
The current sulfur dioxide (SO2) levels in Mount Holly, North Carolina are 0.209 ppb.
The current ozone (O3) levels at Mount Holly, North Carolina is 40.252 ppm.
The current nitrogen dioxide (NO2) levels at Mount Holly, North Carolina is 6.196 ppb.
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