Stay updated with real-time air quality in Neptune, 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)
56
Moderate
Neptune, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.98 μg/m³
0
55
155
255
425
605+
25.62 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
14.83 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Neptune, New Jersey
Neptune, New Jersey
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AQI 54
Moderate
11.14μg/m³
PM2.5
58.43μg/m³
PM10
27.36ppb
O3
0.40ppb
SO2
12.13ppb
NO2
0.24ppm
CO
AQI 54
Moderate
11.10μg/m³
PM2.5
58.61μg/m³
PM10
27.45ppb
O3
0.40ppb
SO2
12.24ppb
NO2
0.24ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
43.90μg/m³
PM10
28.37ppb
O3
0.39ppb
SO2
9.82ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.05μg/m³
PM2.5
58.35μg/m³
PM10
27.24ppb
O3
0.40ppb
SO2
12.28ppb
NO2
0.24ppm
CO
AQI 54
Moderate
10.80μg/m³
PM2.5
55.44μg/m³
PM10
26.46ppb
O3
0.40ppb
SO2
11.90ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.09μg/m³
PM2.5
59.16μg/m³
PM10
27.80ppb
O3
0.40ppb
SO2
12.37ppb
NO2
0.24ppm
CO
Air quality measurements for New Jersey, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Neptune, New Jersey is updated on an hourly basis.
The worst air quality in Neptune, New Jersey was recorded at 09:00:00 on 2026-08-11.
The best air quality in Neptune, New Jersey was recorded at 12:00:00 on 2026-08-12.
The real-time air quality index in Neptune, New Jersey is 56, currently categorized as Moderate.
The most common pollutant in Neptune, New Jersey is PM2.5.
If the air quality in Neptune, New Jersey is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Neptune, New Jersey at present are 11.704 μg/m3.
The current PM10 levels in Neptune, New Jersey are 52.977 μg/m3.
The current carbon monoxide (CO) level in Neptune, New Jersey is 0.33 ppm.
The current sulfur dioxide (SO2) levels in Neptune, New Jersey are 0.566 ppb.
The current ozone (O3) levels at Neptune, New Jersey is 25.619 ppm.
The current nitrogen dioxide (NO2) levels at Neptune, New Jersey is 14.83 ppb.
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