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)
49
Good
Mount Holly, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.57 μg/m³
0
55
155
255
425
605+
53.10 ppb
0
55
71
86
201
201+
0.13 ppb
0
36
76
186
605
1005+
3.54 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mount Holly, New Jersey
Mount Holly, New Jersey
Scroll To Air Quality MapLoading...
AQI 49
Good
4.53μg/m³
PM2.5
17.57μg/m³
PM10
53.10ppb
O3
0.13ppb
SO2
3.54ppb
NO2
0.22ppm
CO
AQI 48
Good
4.67μg/m³
PM2.5
20.21μg/m³
PM10
51.77ppb
O3
0.14ppb
SO2
3.43ppb
NO2
0.22ppm
CO
AQI 46
Good
4.34μg/m³
PM2.5
17.91μg/m³
PM10
50.07ppb
O3
0.12ppb
SO2
3.81ppb
NO2
0.21ppm
CO
AQI 46
Good
4.28μg/m³
PM2.5
17.42μg/m³
PM10
49.60ppb
O3
0.12ppb
SO2
3.71ppb
NO2
0.22ppm
CO
AQI 45
Good
4.03μg/m³
PM2.5
16.84μg/m³
PM10
48.85ppb
O3
0.13ppb
SO2
3.66ppb
NO2
0.22ppm
CO
AQI 46
Good
4.29μg/m³
PM2.5
17.84μg/m³
PM10
50.09ppb
O3
0.11ppb
SO2
3.85ppb
NO2
0.20ppm
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 01:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Mount Holly, New Jersey was observed at 03:00:00 on 2026-07-23.
The current air quality in Mount Holly, New Jersey is 49, 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 4.533 μg/m3.
The current PM10 concentration at Mount Holly, New Jersey is 17.569 μg/m3.
The current carbon monoxide (CO) concentration at Mount Holly, New Jersey is 0.217 ppm.
The current sulfur dioxide (SO2) concentration at Mount Holly, New Jersey is 0.128 ppb.
The current ozone (O3) concentration at Mount Holly, New Jersey is 53.104 ppm.
The current nitrogen dioxide (NO2) concentration at Mount Holly, New Jersey is 3.539 ppb.
All Rights Reserved © Ambee Inc. 2025