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)
56
Moderate
West Windsor, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
51.35 μg/m³
0
55
155
255
425
605+
28.95 ppb
0
55
71
86
201
201+
1.24 ppb
0
36
76
186
605
1005+
8.89 ppb
0
54
101
361
1250
2050+
0.28 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 49
Good
8.82μg/m³
PM2.5
40.28μg/m³
PM10
28.13ppb
O3
1.17ppb
SO2
8.86ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.20μg/m³
PM2.5
37.70μg/m³
PM10
30.30ppb
O3
1.20ppb
SO2
7.50ppb
NO2
0.27ppm
CO
AQI 49
Good
9.35μg/m³
PM2.5
37.49μg/m³
PM10
35.28ppb
O3
1.19ppb
SO2
7.74ppb
NO2
0.26ppm
CO
AQI 44
Good
7.86μg/m³
PM2.5
35.58μg/m³
PM10
24.79ppb
O3
1.16ppb
SO2
9.13ppb
NO2
0.25ppm
CO
AQI 49
Good
9.11μg/m³
PM2.5
40.11μg/m³
PM10
31.06ppb
O3
1.20ppb
SO2
7.71ppb
NO2
0.27ppm
CO
AQI 52
Moderate
9.87μg/m³
PM2.5
37.97μg/m³
PM10
29.52ppb
O3
1.17ppb
SO2
8.71ppb
NO2
0.27ppm
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 02:00:00 on 2026-06-18.
In the last 24 hrs, the best air quality in West Windsor, New Jersey was observed at 10:00:00 on 2026-06-18.
The current air quality in West Windsor, New Jersey is 49, 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 8.882 μg/m3.
The current PM10 concentration at West Windsor, New Jersey is 40.549 μg/m3.
The current carbon monoxide (CO) concentration at West Windsor, New Jersey is 0.259 ppm.
The current sulfur dioxide (SO2) concentration at West Windsor, New Jersey is 1.172 ppb.
The current ozone (O3) concentration at West Windsor, New Jersey is 28.341 ppm.
The current nitrogen dioxide (NO2) concentration at West Windsor, New Jersey is 8.813 ppb.
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