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)
29
Good
Holmdel, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.55 μg/m³
0
55
155
255
425
605+
27.56 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
31.08 ppb
0
54
101
361
1250
2050+
0.37 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
4.74μg/m³
PM2.5
23.98μg/m³
PM10
30.42ppb
O3
0.86ppb
SO2
26.86ppb
NO2
0.37ppm
CO
AQI 29
Good
5.18μg/m³
PM2.5
29.05μg/m³
PM10
31.38ppb
O3
0.87ppb
SO2
27.82ppb
NO2
0.37ppm
CO
AQI 27
Good
4.79μg/m³
PM2.5
23.63μg/m³
PM10
25.61ppb
O3
0.86ppb
SO2
29.33ppb
NO2
0.36ppm
CO
AQI 30
Good
5.06μg/m³
PM2.5
32.28μg/m³
PM10
30.00ppb
O3
0.86ppb
SO2
12.50ppb
NO2
0.37ppm
CO
AQI 27
Good
4.74μg/m³
PM2.5
23.79μg/m³
PM10
26.78ppb
O3
0.85ppb
SO2
15.08ppb
NO2
0.37ppm
CO
AQI 28
Good
5.25μg/m³
PM2.5
21.41μg/m³
PM10
27.76ppb
O3
0.86ppb
SO2
30.43ppb
NO2
0.37ppm
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 08:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Holmdel, New Jersey was observed at 12:00:00 on 2026-05-14.
As of now, the AQI in Holmdel, New Jersey is 29, indicating Good conditions.
Holmdel, New Jersey air has the highest levels of NO2.
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 4.634 μg/m3.
The PM10 concentration in Holmdel, New Jersey is 29.551 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Holmdel, New Jersey is 0.367 ppm.
Currently, Holmdel, New Jersey has a sulfur dioxide (SO2) concentration of 0.859 ppb.
The current ozone (O3) level in Holmdel, New Jersey at the moment is 27.564 ppm.
Nitrogen dioxide (NO2) level in Holmdel, New Jersey at the moment is 31.083 ppb.
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