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)
39
Good
Mount Holly, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.87 μg/m³
0
55
155
255
425
605+
41.59 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
2.61 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Holly, New Jersey
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AQI 39
Good
2.44μg/m³
PM2.5
10.01μg/m³
PM10
41.84ppb
O3
0.32ppb
SO2
2.74ppb
NO2
0.20ppm
CO
AQI 39
Good
3.60μg/m³
PM2.5
20.62μg/m³
PM10
41.77ppb
O3
0.30ppb
SO2
2.75ppb
NO2
0.20ppm
CO
AQI 39
Good
2.47μg/m³
PM2.5
11.19μg/m³
PM10
42.33ppb
O3
0.34ppb
SO2
3.15ppb
NO2
0.20ppm
CO
AQI 40
Good
2.29μg/m³
PM2.5
10.52μg/m³
PM10
42.70ppb
O3
0.32ppb
SO2
2.98ppb
NO2
0.20ppm
CO
AQI 40
Good
2.11μg/m³
PM2.5
9.66μg/m³
PM10
42.52ppb
O3
0.31ppb
SO2
2.91ppb
NO2
0.20ppm
CO
AQI 39
Good
2.60μg/m³
PM2.5
11.42μg/m³
PM10
41.90ppb
O3
0.36ppb
SO2
3.30ppb
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 12:00:00 on 2026-03-14.
In the last 24 hrs, the best air quality in Mount Holly, New Jersey was observed at 02:00:00 on 2026-03-14.
The current air quality in Mount Holly, New Jersey is 39, 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 2 μg/m3.
The current PM10 concentration at Mount Holly, New Jersey is 6.868 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 0.329 ppb.
The current ozone (O3) concentration at Mount Holly, New Jersey is 41.592 ppm.
The current nitrogen dioxide (NO2) concentration at Mount Holly, New Jersey is 2.612 ppb.
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