Stay updated with real-time air quality in Plainsboro, 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)
24
Good
Plainsboro, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.26 μg/m³
0
55
155
255
425
605+
16.97 ppb
0
55
71
86
201
201+
0.90 ppb
0
36
76
186
605
1005+
25.25 ppb
0
54
101
361
1250
2050+
0.59 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Plainsboro, New Jersey
Plainsboro, New Jersey
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AQI 27
Good
4.97μg/m³
PM2.5
21.25μg/m³
PM10
10.93ppb
O3
0.66ppb
SO2
24.14ppb
NO2
0.57ppm
CO
AQI 27
Good
4.97μg/m³
PM2.5
21.33μg/m³
PM10
10.98ppb
O3
0.66ppb
SO2
23.97ppb
NO2
0.57ppm
CO
AQI 22
Good
4.04μg/m³
PM2.5
14.13μg/m³
PM10
15.26ppb
O3
0.72ppb
SO2
23.34ppb
NO2
0.58ppm
CO
AQI 28
Good
5.19μg/m³
PM2.5
17.73μg/m³
PM10
5.60ppb
O3
0.77ppb
SO2
29.79ppb
NO2
0.55ppm
CO
AQI 27
Good
5.11μg/m³
PM2.5
20.79μg/m³
PM10
10.24ppb
O3
0.69ppb
SO2
25.25ppb
NO2
0.59ppm
CO
AQI 27
Good
4.08μg/m³
PM2.5
14.33μg/m³
PM10
17.07ppb
O3
0.75ppb
SO2
28.97ppb
NO2
0.58ppm
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 Plainsboro, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Plainsboro, New Jersey was at its worst at 12:00:00 on 2025-12-09.
In the last 24 hours, the best air quality in Plainsboro, New Jersey was observed at 06:00:00 on 2025-12-09.
As of now, the AQI in Plainsboro, New Jersey is 24, indicating Good conditions.
Plainsboro, New Jersey air has the highest levels of NO2.
Poor air quality in Plainsboro, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Plainsboro, New Jersey are currently 4.124 μg/m3.
The PM10 concentration in Plainsboro, New Jersey is 24.264 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Plainsboro, New Jersey is 0.594 ppm.
Currently, Plainsboro, New Jersey has a sulfur dioxide (SO2) concentration of 0.895 ppb.
The current ozone (O3) level in Plainsboro, New Jersey at the moment is 16.969 ppm.
Nitrogen dioxide (NO2) level in Plainsboro, New Jersey at the moment is 25.252 ppb.
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