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)
22
Good
Plainsboro, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.54 μg/m³
0
55
155
255
425
605+
20.98 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
5.65 ppb
0
54
101
361
1250
2050+
0.22 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 20
Good
3.15μg/m³
PM2.5
19.79μg/m³
PM10
22.22ppb
O3
0.48ppb
SO2
3.94ppb
NO2
0.21ppm
CO
AQI 20
Good
3.20μg/m³
PM2.5
20.30μg/m³
PM10
22.33ppb
O3
0.48ppb
SO2
3.96ppb
NO2
0.21ppm
CO
AQI 22
Good
3.93μg/m³
PM2.5
17.60μg/m³
PM10
20.54ppb
O3
0.51ppb
SO2
4.44ppb
NO2
0.22ppm
CO
AQI 18
Good
1.21μg/m³
PM2.5
6.19μg/m³
PM10
19.08ppb
O3
0.52ppb
SO2
3.40ppb
NO2
0.20ppm
CO
AQI 19
Good
3.47μg/m³
PM2.5
15.00μg/m³
PM10
21.32ppb
O3
0.50ppb
SO2
4.17ppb
NO2
0.22ppm
CO
AQI 20
Good
3.13μg/m³
PM2.5
14.19μg/m³
PM10
21.69ppb
O3
0.52ppb
SO2
4.89ppb
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 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 02:00:00 on 2025-10-23.
In the last 24 hours, the best air quality in Plainsboro, New Jersey was observed at 10:00:00 on 2025-10-23.
As of now, the AQI in Plainsboro, New Jersey is 22, indicating Good conditions.
Plainsboro, New Jersey air has the highest levels of PM2.5.
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 3.582 μg/m3.
The PM10 concentration in Plainsboro, New Jersey is 19.543 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Plainsboro, New Jersey is 0.217 ppm.
Currently, Plainsboro, New Jersey has a sulfur dioxide (SO2) concentration of 0.599 ppb.
The current ozone (O3) level in Plainsboro, New Jersey at the moment is 20.977 ppm.
Nitrogen dioxide (NO2) level in Plainsboro, New Jersey at the moment is 5.654 ppb.
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