Stay updated with real-time air quality in Hopatcong, 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)
19
Good
Hopatcong, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.79 μg/m³
0
55
155
255
425
605+
19.96 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
12.30 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hopatcong, New Jersey
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AQI 27
Good
1.89μg/m³
PM2.5
7.79μg/m³
PM10
29.48ppb
O3
0.22ppb
SO2
11.49ppb
NO2
0.25ppm
CO
AQI 24
Good
1.83μg/m³
PM2.5
7.36μg/m³
PM10
25.89ppb
O3
0.22ppb
SO2
11.45ppb
NO2
0.25ppm
CO
AQI 23
Good
1.92μg/m³
PM2.5
7.79μg/m³
PM10
25.33ppb
O3
0.22ppb
SO2
11.11ppb
NO2
0.25ppm
CO
AQI 23
Good
1.92μg/m³
PM2.5
7.79μg/m³
PM10
25.33ppb
O3
0.22ppb
SO2
11.11ppb
NO2
0.25ppm
CO
AQI 24
Good
1.90μg/m³
PM2.5
8.77μg/m³
PM10
26.46ppb
O3
0.21ppb
SO2
10.06ppb
NO2
0.25ppm
CO
AQI 25
Good
2.09μg/m³
PM2.5
10.87μg/m³
PM10
27.39ppb
O3
0.21ppb
SO2
10.78ppb
NO2
0.24ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Hopatcong, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Hopatcong, New Jersey was at its worst at 01:00:00 on 2026-03-05.
In the last 24 hours, the best air quality in Hopatcong, New Jersey was observed at 06:00:00 on 2026-03-06.
As of now, the AQI in Hopatcong, New Jersey is 19, indicating Good conditions.
Hopatcong, New Jersey air has the highest levels of O3.
Poor air quality in Hopatcong, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hopatcong, New Jersey are currently 1.861 μg/m3.
The PM10 concentration in Hopatcong, New Jersey is 7.785 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hopatcong, New Jersey is 0.25 ppm.
Currently, Hopatcong, New Jersey has a sulfur dioxide (SO2) concentration of 0.217 ppb.
The current ozone (O3) level in Hopatcong, New Jersey at the moment is 19.961 ppm.
Nitrogen dioxide (NO2) level in Hopatcong, New Jersey at the moment is 12.297 ppb.
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