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)
33
Good
Hopatcong, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.31 μg/m³
0
55
155
255
425
605+
21.97 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
19.27 ppb
0
54
101
361
1250
2050+
0.59 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hopatcong, New Jersey
Scroll To Air Quality MapLoading...
AQI 35
Good
3.59μg/m³
PM2.5
15.55μg/m³
PM10
37.68ppb
O3
0.70ppb
SO2
5.87ppb
NO2
0.30ppm
CO
AQI 33
Good
3.99μg/m³
PM2.5
17.35μg/m³
PM10
35.82ppb
O3
0.70ppb
SO2
6.73ppb
NO2
0.30ppm
CO
AQI 31
Good
4.41μg/m³
PM2.5
19.33μg/m³
PM10
33.00ppb
O3
0.70ppb
SO2
9.75ppb
NO2
0.30ppm
CO
AQI 31
Good
4.40μg/m³
PM2.5
19.27μg/m³
PM10
33.05ppb
O3
0.70ppb
SO2
9.70ppb
NO2
0.30ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
35.73μg/m³
PM10
21.41ppb
O3
0.63ppb
SO2
20.52ppb
NO2
0.29ppm
CO
AQI 35
Good
4.42μg/m³
PM2.5
34.72μg/m³
PM10
38.11ppb
O3
0.65ppb
SO2
11.70ppb
NO2
0.29ppm
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 09:00:00 on 2026-03-10.
In the last 24 hours, the best air quality in Hopatcong, New Jersey was observed at 12:00:00 on 2026-03-09.
As of now, the AQI in Hopatcong, New Jersey is 39, indicating Good conditions.
Hopatcong, New Jersey air has the highest levels of PM10.
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 7.012 μg/m3.
The PM10 concentration in Hopatcong, New Jersey is 41.738 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hopatcong, New Jersey is 0.389 ppm.
Currently, Hopatcong, New Jersey has a sulfur dioxide (SO2) concentration of 0.792 ppb.
The current ozone (O3) level in Hopatcong, New Jersey at the moment is 20.262 ppm.
Nitrogen dioxide (NO2) level in Hopatcong, New Jersey at the moment is 18.43 ppb.
All Rights Reserved © Ambee Inc. 2025