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)
27
Good
Mount Holly, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.88 μg/m³
0
55
155
255
425
605+
20.18 ppb
0
55
71
86
201
201+
1.03 ppb
0
36
76
186
605
1005+
23.32 ppb
0
54
101
361
1250
2050+
0.47 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 27
Good
4.69μg/m³
PM2.5
22.88μg/m³
PM10
20.18ppb
O3
1.03ppb
SO2
23.32ppb
NO2
0.47ppm
CO
AQI 22
Good
4.26μg/m³
PM2.5
19.99μg/m³
PM10
14.12ppb
O3
1.02ppb
SO2
21.70ppb
NO2
0.45ppm
CO
AQI 27
Good
4.63μg/m³
PM2.5
21.73μg/m³
PM10
12.52ppb
O3
0.98ppb
SO2
13.54ppb
NO2
0.54ppm
CO
AQI 27
Good
4.72μg/m³
PM2.5
21.92μg/m³
PM10
10.61ppb
O3
1.00ppb
SO2
16.76ppb
NO2
0.52ppm
CO
AQI 27
Good
4.84μg/m³
PM2.5
22.54μg/m³
PM10
12.67ppb
O3
1.00ppb
SO2
19.32ppb
NO2
0.51ppm
CO
AQI 27
Good
4.69μg/m³
PM2.5
21.84μg/m³
PM10
15.59ppb
O3
0.91ppb
SO2
15.70ppb
NO2
0.52ppm
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 04:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Mount Holly, New Jersey was observed at 11:00:00 on 2026-01-23.
The current air quality in Mount Holly, New Jersey is 27, categorized as Good 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 4.693 μg/m3.
The current PM10 concentration at Mount Holly, New Jersey is 22.876 μg/m3.
The current carbon monoxide (CO) concentration at Mount Holly, New Jersey is 0.475 ppm.
The current sulfur dioxide (SO2) concentration at Mount Holly, New Jersey is 1.027 ppb.
The current ozone (O3) concentration at Mount Holly, New Jersey is 20.185 ppm.
The current nitrogen dioxide (NO2) concentration at Mount Holly, New Jersey is 23.322 ppb.
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