Stay updated with real-time air quality in Holmdel, 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)
42
Good
Holmdel, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.20 μg/m³
0
55
155
255
425
605+
44.86 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
6.21 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Holmdel, New Jersey
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AQI 44
Good
4.64μg/m³
PM2.5
21.66μg/m³
PM10
46.81ppb
O3
0.39ppb
SO2
5.07ppb
NO2
0.27ppm
CO
AQI 43
Good
4.47μg/m³
PM2.5
22.42μg/m³
PM10
45.94ppb
O3
0.41ppb
SO2
3.40ppb
NO2
0.27ppm
CO
AQI 41
Good
6.14μg/m³
PM2.5
21.95μg/m³
PM10
44.20ppb
O3
0.40ppb
SO2
5.17ppb
NO2
0.28ppm
CO
AQI 43
Good
4.43μg/m³
PM2.5
24.10μg/m³
PM10
45.97ppb
O3
0.39ppb
SO2
4.13ppb
NO2
0.27ppm
CO
AQI 44
Good
6.11μg/m³
PM2.5
22.46μg/m³
PM10
46.71ppb
O3
0.39ppb
SO2
4.08ppb
NO2
0.27ppm
CO
AQI 45
Good
5.99μg/m³
PM2.5
22.99μg/m³
PM10
49.22ppb
O3
0.40ppb
SO2
5.28ppb
NO2
0.27ppm
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 Holmdel, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Holmdel, New Jersey was at its worst at 09:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Holmdel, New Jersey was observed at 02:00:00 on 2026-03-29.
As of now, the AQI in Holmdel, New Jersey is 42, indicating Good conditions.
Holmdel, New Jersey air has the highest levels of O3.
Poor air quality in Holmdel, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Holmdel, New Jersey are currently 6.351 μg/m3.
The PM10 concentration in Holmdel, New Jersey is 28.196 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Holmdel, New Jersey is 0.283 ppm.
Currently, Holmdel, New Jersey has a sulfur dioxide (SO2) concentration of 0.364 ppb.
The current ozone (O3) level in Holmdel, New Jersey at the moment is 44.858 ppm.
Nitrogen dioxide (NO2) level in Holmdel, New Jersey at the moment is 6.212 ppb.
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