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
5.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.77 μg/m³
0
55
155
255
425
605+
9.23 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
2.67 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 27
Good
4.91μg/m³
PM2.5
20.45μg/m³
PM10
10.22ppb
O3
0.33ppb
SO2
4.25ppb
NO2
0.28ppm
CO
AQI 44
Good
8.11μg/m³
PM2.5
29.72μg/m³
PM10
18.86ppb
O3
0.38ppb
SO2
4.95ppb
NO2
0.25ppm
CO
AQI 38
Good
6.54μg/m³
PM2.5
26.56μg/m³
PM10
15.77ppb
O3
0.38ppb
SO2
3.59ppb
NO2
0.25ppm
CO
AQI 16
Good
3.24μg/m³
PM2.5
13.41μg/m³
PM10
7.50ppb
O3
0.32ppb
SO2
4.22ppb
NO2
0.28ppm
CO
AQI 44
Good
7.75μg/m³
PM2.5
36.21μg/m³
PM10
18.54ppb
O3
0.38ppb
SO2
6.80ppb
NO2
0.25ppm
CO
AQI 38
Good
7.50μg/m³
PM2.5
36.88μg/m³
PM10
18.14ppb
O3
0.35ppb
SO2
7.24ppb
NO2
0.28ppm
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 10:00:00 on 2026-08-05.
In the last 24 hrs, the best air quality in West Windsor, New Jersey was observed at 01:00:00 on 2026-08-06.
The current air quality in West Windsor, New Jersey is 27, 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 5.008 μg/m3.
The current PM10 concentration at West Windsor, New Jersey is 20.899 μg/m3.
The current carbon monoxide (CO) concentration at West Windsor, New Jersey is 0.282 ppm.
The current sulfur dioxide (SO2) concentration at West Windsor, New Jersey is 0.334 ppb.
The current ozone (O3) concentration at West Windsor, New Jersey is 10.386 ppm.
The current nitrogen dioxide (NO2) concentration at West Windsor, New Jersey is 4.227 ppb.
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