Stay updated with real-time air quality in West Windsor, 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)
33
Good
West Windsor, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.55 μg/m³
0
55
155
255
425
605+
21.91 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
15.06 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Windsor, New Jersey
West Windsor, New Jersey
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AQI 33
Good
5.53μg/m³
PM2.5
24.36μg/m³
PM10
21.96ppb
O3
0.66ppb
SO2
15.16ppb
NO2
0.42ppm
CO
AQI 38
Good
6.73μg/m³
PM2.5
28.37μg/m³
PM10
26.39ppb
O3
0.67ppb
SO2
14.09ppb
NO2
0.41ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
20.57μg/m³
PM10
23.76ppb
O3
0.66ppb
SO2
14.76ppb
NO2
0.41ppm
CO
AQI 27
Good
4.84μg/m³
PM2.5
20.96μg/m³
PM10
22.17ppb
O3
0.65ppb
SO2
15.74ppb
NO2
0.43ppm
CO
AQI 33
Good
6.12μg/m³
PM2.5
20.77μg/m³
PM10
25.91ppb
O3
0.67ppb
SO2
14.68ppb
NO2
0.41ppm
CO
AQI 33
Good
6.09μg/m³
PM2.5
21.86μg/m³
PM10
25.02ppb
O3
0.66ppb
SO2
15.70ppb
NO2
0.42ppm
CO
Air quality data and pollutant measurements for New Jersey, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for West Windsor, New Jersey is updated every hour.
The worst air quality in West Windsor, New Jersey in the last 24 hours was observed at 06:00:00 on 2026-08-16.
In the last 24 hrs, the best air quality in West Windsor, New Jersey was observed at 10:00:00 on 2026-08-17.
The current air quality in West Windsor, New Jersey is 33, categorized as Good based on real-time data.
The most common pollutant in West Windsor, New Jersey is PM2.5.
If the air quality in West Windsor, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at West Windsor, New Jersey is 5.573 μg/m3.
The current PM10 concentration at West Windsor, New Jersey is 24.555 μg/m3.
The current carbon monoxide (CO) concentration at West Windsor, New Jersey is 0.42 ppm.
The current sulfur dioxide (SO2) concentration at West Windsor, New Jersey is 0.658 ppb.
The current ozone (O3) concentration at West Windsor, New Jersey is 21.911 ppm.
The current nitrogen dioxide (NO2) concentration at West Windsor, New Jersey is 15.063 ppb.
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