Stay updated with real-time air quality in Ewing, 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)
44
Good
Ewing, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.67 μg/m³
0
55
155
255
425
605+
4.41 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
18.49 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ewing, New Jersey
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AQI 44
Good
7.93μg/m³
PM2.5
34.60μg/m³
PM10
4.17ppb
O3
0.59ppb
SO2
17.67ppb
NO2
0.30ppm
CO
AQI 44
Good
7.64μg/m³
PM2.5
32.49μg/m³
PM10
4.39ppb
O3
0.59ppb
SO2
19.35ppb
NO2
0.31ppm
CO
AQI 44
Good
7.68μg/m³
PM2.5
32.87μg/m³
PM10
4.36ppb
O3
0.59ppb
SO2
18.98ppb
NO2
0.31ppm
CO
AQI 54
Moderate
10.68μg/m³
PM2.5
36.93μg/m³
PM10
10.39ppb
O3
0.59ppb
SO2
19.49ppb
NO2
0.30ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
29.95μg/m³
PM10
4.79ppb
O3
0.59ppb
SO2
18.32ppb
NO2
0.31ppm
CO
AQI 38
Good
7.33μg/m³
PM2.5
27.20μg/m³
PM10
4.55ppb
O3
0.56ppb
SO2
25.09ppb
NO2
0.31ppm
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 Ewing, New Jersey is updated every hour.
The worst air quality in Ewing, New Jersey in the last 24 hours was observed at 03:00:00 on 2026-03-10.
In the last 24 hrs, the best air quality in Ewing, New Jersey was observed at 06:00:00 on 2026-03-09.
The current air quality in Ewing, New Jersey is 44, categorized as Good based on real-time data.
The most common pollutant in Ewing, New Jersey is PM2.5.
If the air quality in Ewing, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Ewing, New Jersey is 7.596 μg/m3.
The current PM10 concentration at Ewing, New Jersey is 32.673 μg/m3.
The current carbon monoxide (CO) concentration at Ewing, New Jersey is 0.305 ppm.
The current sulfur dioxide (SO2) concentration at Ewing, New Jersey is 0.591 ppb.
The current ozone (O3) concentration at Ewing, New Jersey is 4.412 ppm.
The current nitrogen dioxide (NO2) concentration at Ewing, New Jersey is 18.487 ppb.
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