Stay updated with real-time air quality in Mount Holly, New Jersey 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)
28
Good
Mount Holly, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.74 μg/m³
0
55
155
255
425
605+
29.55 ppb
0
55
71
86
201
201+
1.95 ppb
0
36
76
186
605
1005+
24.73 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Mount Holly, New Jersey
Mount Holly, New Jersey
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AQI 45
Good
6.91μg/m³
PM2.5
23.29μg/m³
PM10
48.60ppb
O3
0.48ppb
SO2
20.03ppb
NO2
0.44ppm
CO
AQI 45
Good
6.94μg/m³
PM2.5
23.57μg/m³
PM10
49.18ppb
O3
0.44ppb
SO2
11.87ppb
NO2
0.42ppm
CO
AQI 41
Good
6.23μg/m³
PM2.5
26.68μg/m³
PM10
43.80ppb
O3
0.53ppb
SO2
20.94ppb
NO2
0.51ppm
CO
AQI 36
Good
6.37μg/m³
PM2.5
28.70μg/m³
PM10
39.35ppb
O3
0.46ppb
SO2
15.94ppb
NO2
0.48ppm
CO
AQI 38
Good
6.55μg/m³
PM2.5
29.46μg/m³
PM10
41.46ppb
O3
0.46ppb
SO2
15.94ppb
NO2
0.47ppm
CO
AQI 45
Good
6.30μg/m³
PM2.5
25.15μg/m³
PM10
48.85ppb
O3
0.61ppb
SO2
25.57ppb
NO2
0.53ppm
CO
Air quality data and pollutant measurements for New Jersey, 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 Mount Holly, New Jersey is updated every hour.
The worst air quality in Mount Holly, New Jersey in the last 24 hours was observed at 11:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Mount Holly, New Jersey was observed at 04:00:00 on 2026-04-23.
The current air quality in Mount Holly, New Jersey is 28, categorized as Good based on real-time data.
The most common pollutant in Mount Holly, New Jersey is O3.
If the air quality in Mount Holly, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Mount Holly, New Jersey is 1.876 μg/m3.
The current PM10 concentration at Mount Holly, New Jersey is 7.738 μg/m3.
The current carbon monoxide (CO) concentration at Mount Holly, New Jersey is 0.338 ppm.
The current sulfur dioxide (SO2) concentration at Mount Holly, New Jersey is 1.954 ppb.
The current ozone (O3) concentration at Mount Holly, New Jersey is 29.55 ppm.
The current nitrogen dioxide (NO2) concentration at Mount Holly, New Jersey is 24.726 ppb.
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