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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.51 μg/m³
0
55
155
255
425
605+
40.74 ppb
0
55
71
86
201
201+
1.07 ppb
0
36
76
186
605
1005+
4.32 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, New Jersey
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AQI 27
Good
4.98μg/m³
PM2.5
21.31μg/m³
PM10
21.96ppb
O3
1.29ppb
SO2
8.04ppb
NO2
0.39ppm
CO
AQI 22
Good
3.80μg/m³
PM2.5
23.20μg/m³
PM10
21.67ppb
O3
1.34ppb
SO2
7.63ppb
NO2
0.39ppm
CO
AQI 22
Good
3.88μg/m³
PM2.5
23.66μg/m³
PM10
21.42ppb
O3
1.33ppb
SO2
6.73ppb
NO2
0.39ppm
CO
AQI 27
Good
4.89μg/m³
PM2.5
21.18μg/m³
PM10
22.00ppb
O3
1.30ppb
SO2
7.70ppb
NO2
0.39ppm
CO
AQI 19
Good
3.31μg/m³
PM2.5
14.63μg/m³
PM10
20.28ppb
O3
1.47ppb
SO2
6.60ppb
NO2
0.40ppm
CO
AQI 27
Good
5.49μg/m³
PM2.5
16.82μg/m³
PM10
15.65ppb
O3
1.19ppb
SO2
7.45ppb
NO2
0.39ppm
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 Plainfield, New Jersey is updated every hour.
The worst air quality in Plainfield, New Jersey in the last 24 hours was observed at 08:00:00 on 2026-08-07.
In the last 24 hrs, the best air quality in Plainfield, New Jersey was observed at 06:00:00 on 2026-08-08.
The current air quality in Plainfield, New Jersey is 22, categorized as Good based on real-time data.
The most common pollutant in Plainfield, New Jersey is PM10.
If the air quality in Plainfield, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Plainfield, New Jersey is 3.876 μg/m3.
The current PM10 concentration at Plainfield, New Jersey is 23.66 μg/m3.
The current carbon monoxide (CO) concentration at Plainfield, New Jersey is 0.392 ppm.
The current sulfur dioxide (SO2) concentration at Plainfield, New Jersey is 1.327 ppb.
The current ozone (O3) concentration at Plainfield, New Jersey is 21.416 ppm.
The current nitrogen dioxide (NO2) concentration at Plainfield, New Jersey is 6.729 ppb.
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