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)
23
Good
Plainsboro, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.41 μg/m³
0
55
155
255
425
605+
24.98 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
10.47 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainsboro, New Jersey
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AQI 23
Good
3.35μg/m³
PM2.5
15.64μg/m³
PM10
24.76ppb
O3
0.23ppb
SO2
8.99ppb
NO2
0.25ppm
CO
AQI 23
Good
3.38μg/m³
PM2.5
15.75μg/m³
PM10
24.80ppb
O3
0.23ppb
SO2
9.00ppb
NO2
0.25ppm
CO
AQI 23
Good
3.00μg/m³
PM2.5
10.38μg/m³
PM10
24.83ppb
O3
0.23ppb
SO2
10.27ppb
NO2
0.25ppm
CO
AQI 19
Good
3.13μg/m³
PM2.5
12.64μg/m³
PM10
20.62ppb
O3
0.23ppb
SO2
9.42ppb
NO2
0.25ppm
CO
AQI 19
Good
3.04μg/m³
PM2.5
12.70μg/m³
PM10
20.13ppb
O3
0.23ppb
SO2
9.12ppb
NO2
0.25ppm
CO
AQI 23
Good
3.16μg/m³
PM2.5
14.07μg/m³
PM10
25.33ppb
O3
0.23ppb
SO2
10.32ppb
NO2
0.25ppm
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 10:00:00 on 2026-03-05.
In the last 24 hours, the best air quality in Plainsboro, New Jersey was observed at 05:00:00 on 2026-03-06.
As of now, the AQI in Plainsboro, New Jersey is 23, indicating Good conditions.
Plainsboro, New Jersey air has the highest levels of O3.
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 3.018 μg/m3.
The PM10 concentration in Plainsboro, New Jersey is 10.41 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Plainsboro, New Jersey is 0.251 ppm.
Currently, Plainsboro, New Jersey has a sulfur dioxide (SO2) concentration of 0.229 ppb.
The current ozone (O3) level in Plainsboro, New Jersey at the moment is 24.979 ppm.
Nitrogen dioxide (NO2) level in Plainsboro, New Jersey at the moment is 10.468 ppb.
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