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)
71
Moderate
Mount Holly, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
71.07 μg/m³
0
55
155
255
425
605+
5.26 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
23.90 ppb
0
54
101
361
1250
2050+
0.93 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mount Holly, New Jersey
Mount Holly, New Jersey
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AQI 71
Moderate
20.21μg/m³
PM2.5
71.07μg/m³
PM10
5.26ppb
O3
0.74ppb
SO2
23.90ppb
NO2
0.93ppm
CO
AQI 71
Moderate
19.95μg/m³
PM2.5
61.50μg/m³
PM10
7.42ppb
O3
0.73ppb
SO2
20.91ppb
NO2
0.88ppm
CO
AQI 73
Moderate
21.29μg/m³
PM2.5
83.92μg/m³
PM10
4.06ppb
O3
0.74ppb
SO2
24.61ppb
NO2
1.06ppm
CO
AQI 73
Moderate
21.44μg/m³
PM2.5
86.88μg/m³
PM10
5.28ppb
O3
0.63ppb
SO2
22.58ppb
NO2
1.02ppm
CO
AQI 75
Moderate
22.37μg/m³
PM2.5
92.86μg/m³
PM10
5.47ppb
O3
0.63ppb
SO2
20.70ppb
NO2
1.00ppm
CO
AQI 71
Moderate
20.10μg/m³
PM2.5
77.05μg/m³
PM10
2.76ppb
O3
0.97ppb
SO2
26.31ppb
NO2
1.01ppm
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 07:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Mount Holly, New Jersey was observed at 12:00:00 on 2025-12-07.
The current air quality in Mount Holly, New Jersey is 71, categorized as Moderate based on real-time data.
The most common pollutant in Mount Holly, New Jersey is PM2.5.
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 20.206 μg/m3.
The current PM10 concentration at Mount Holly, New Jersey is 71.069 μg/m3.
The current carbon monoxide (CO) concentration at Mount Holly, New Jersey is 0.928 ppm.
The current sulfur dioxide (SO2) concentration at Mount Holly, New Jersey is 0.736 ppb.
The current ozone (O3) concentration at Mount Holly, New Jersey is 5.256 ppm.
The current nitrogen dioxide (NO2) concentration at Mount Holly, New Jersey is 23.9 ppb.
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