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)
28
Good
Holmdel, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.01 μg/m³
0
55
155
255
425
605+
29.85 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
6.75 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Holmdel, New Jersey
Holmdel, New Jersey
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AQI 28
Good
5.36μg/m³
PM2.5
24.01μg/m³
PM10
29.85ppb
O3
0.64ppb
SO2
6.75ppb
NO2
0.19ppm
CO
AQI 29
Good
5.26μg/m³
PM2.5
15.76μg/m³
PM10
30.52ppb
O3
0.66ppb
SO2
6.97ppb
NO2
0.19ppm
CO
AQI 27
Good
4.71μg/m³
PM2.5
24.18μg/m³
PM10
26.54ppb
O3
0.62ppb
SO2
8.04ppb
NO2
0.19ppm
CO
AQI 29
Good
2.89μg/m³
PM2.5
10.22μg/m³
PM10
31.22ppb
O3
0.64ppb
SO2
4.95ppb
NO2
0.20ppm
CO
AQI 28
Good
3.59μg/m³
PM2.5
15.94μg/m³
PM10
30.23ppb
O3
0.64ppb
SO2
5.49ppb
NO2
0.20ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
24.28μg/m³
PM10
29.39ppb
O3
0.61ppb
SO2
7.82ppb
NO2
0.19ppm
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 11:00:00 on 2025-12-11.
In the last 24 hours, the best air quality in Holmdel, New Jersey was observed at 03:00:00 on 2025-12-12.
As of now, the AQI in Holmdel, New Jersey is 28, 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 5.359 μg/m3.
The PM10 concentration in Holmdel, New Jersey is 24.006 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Holmdel, New Jersey is 0.193 ppm.
Currently, Holmdel, New Jersey has a sulfur dioxide (SO2) concentration of 0.635 ppb.
The current ozone (O3) level in Holmdel, New Jersey at the moment is 29.847 ppm.
Nitrogen dioxide (NO2) level in Holmdel, New Jersey at the moment is 6.75 ppb.
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