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)
29
Good
West Windsor, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.88 μg/m³
0
55
155
255
425
605+
30.67 ppb
0
55
71
86
201
201+
0.91 ppb
0
36
76
186
605
1005+
27.04 ppb
0
54
101
361
1250
2050+
0.47 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 29
Good
3.62μg/m³
PM2.5
21.61μg/m³
PM10
30.91ppb
O3
0.91ppb
SO2
27.30ppb
NO2
0.48ppm
CO
AQI 27
Good
4.31μg/m³
PM2.5
23.27μg/m³
PM10
28.60ppb
O3
0.93ppb
SO2
25.19ppb
NO2
0.44ppm
CO
AQI 29
Good
3.21μg/m³
PM2.5
13.45μg/m³
PM10
27.11ppb
O3
0.92ppb
SO2
30.67ppb
NO2
0.45ppm
CO
AQI 30
Good
2.54μg/m³
PM2.5
15.40μg/m³
PM10
32.06ppb
O3
0.91ppb
SO2
28.84ppb
NO2
0.48ppm
CO
AQI 30
Good
5.07μg/m³
PM2.5
32.25μg/m³
PM10
28.73ppb
O3
0.93ppb
SO2
12.15ppb
NO2
0.44ppm
CO
AQI 51
Moderate
8.48μg/m³
PM2.5
56.02μg/m³
PM10
25.25ppb
O3
0.92ppb
SO2
22.04ppb
NO2
0.47ppm
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 08:00:00 on 2026-11-12.
In the last 24 hrs, the best air quality in West Windsor, New Jersey was observed at 02:00:00 on 2026-11-12.
The current air quality in West Windsor, New Jersey is 29, categorized as Good based on real-time data.
The most common pollutant in West Windsor, New Jersey is O3.
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 3.674 μg/m3.
The current PM10 concentration at West Windsor, New Jersey is 21.875 μg/m3.
The current carbon monoxide (CO) concentration at West Windsor, New Jersey is 0.475 ppm.
The current sulfur dioxide (SO2) concentration at West Windsor, New Jersey is 0.913 ppb.
The current ozone (O3) concentration at West Windsor, New Jersey is 30.671 ppm.
The current nitrogen dioxide (NO2) concentration at West Windsor, New Jersey is 27.039 ppb.
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