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)
24
Good
Hopatcong, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.03 μg/m³
0
55
155
255
425
605+
26.23 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
2.96 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hopatcong, New Jersey
Hopatcong, New Jersey
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AQI 19
Good
1.65μg/m³
PM2.5
11.75μg/m³
PM10
21.49ppb
O3
0.38ppb
SO2
3.15ppb
NO2
0.27ppm
CO
AQI 24
Good
1.58μg/m³
PM2.5
6.79μg/m³
PM10
26.45ppb
O3
0.38ppb
SO2
2.87ppb
NO2
0.32ppm
CO
AQI 22
Good
3.74μg/m³
PM2.5
19.47μg/m³
PM10
18.73ppb
O3
0.38ppb
SO2
3.17ppb
NO2
0.26ppm
CO
AQI 22
Good
3.74μg/m³
PM2.5
19.47μg/m³
PM10
18.73ppb
O3
0.38ppb
SO2
3.17ppb
NO2
0.26ppm
CO
AQI 23
Good
1.64μg/m³
PM2.5
11.59μg/m³
PM10
25.48ppb
O3
0.37ppb
SO2
2.84ppb
NO2
0.31ppm
CO
AQI 21
Good
3.37μg/m³
PM2.5
12.24μg/m³
PM10
23.00ppb
O3
0.36ppb
SO2
3.45ppb
NO2
0.26ppm
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 11:00:00 on 2026-09-19.
In the last 24 hours, the best air quality in Hopatcong, New Jersey was observed at 03:00:00 on 2026-09-20.
As of now, the AQI in Hopatcong, New Jersey is 21, 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 1.63 μg/m3.
The PM10 concentration in Hopatcong, New Jersey is 11.787 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hopatcong, New Jersey is 0.31 ppm.
Currently, Hopatcong, New Jersey has a sulfur dioxide (SO2) concentration of 0.378 ppb.
The current ozone (O3) level in Hopatcong, New Jersey at the moment is 23.169 ppm.
Nitrogen dioxide (NO2) level in Hopatcong, New Jersey at the moment is 2.918 ppb.
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