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
8.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.79 μg/m³
0
55
155
255
425
605+
7.36 ppb
0
55
71
86
201
201+
1.17 ppb
0
36
76
186
605
1005+
24.61 ppb
0
54
101
361
1250
2050+
0.63 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, New Jersey
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AQI 44
Good
7.86μg/m³
PM2.5
30.01μg/m³
PM10
9.23ppb
O3
0.97ppb
SO2
24.83ppb
NO2
0.37ppm
CO
AQI 44
Good
7.52μg/m³
PM2.5
30.67μg/m³
PM10
3.88ppb
O3
0.97ppb
SO2
24.90ppb
NO2
0.36ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
32.87μg/m³
PM10
6.86ppb
O3
0.98ppb
SO2
24.16ppb
NO2
0.37ppm
CO
AQI 44
Good
8.34μg/m³
PM2.5
30.88μg/m³
PM10
4.37ppb
O3
0.84ppb
SO2
25.29ppb
NO2
0.37ppm
CO
AQI 54
Moderate
10.63μg/m³
PM2.5
48.59μg/m³
PM10
6.66ppb
O3
0.97ppb
SO2
32.15ppb
NO2
0.34ppm
CO
AQI 44
Good
7.75μg/m³
PM2.5
30.08μg/m³
PM10
5.45ppb
O3
0.96ppb
SO2
17.51ppb
NO2
0.38ppm
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 05:00:00 on 2026-03-10.
In the last 24 hrs, the best air quality in Plainfield, New Jersey was observed at 01:00:00 on 2026-03-10.
The current air quality in Plainfield, New Jersey is 44, categorized as Good based on real-time data.
The most common pollutant in Plainfield, New Jersey is PM2.5.
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 8.223 μg/m3.
The current PM10 concentration at Plainfield, New Jersey is 30.79 μg/m3.
The current carbon monoxide (CO) concentration at Plainfield, New Jersey is 0.628 ppm.
The current sulfur dioxide (SO2) concentration at Plainfield, New Jersey is 1.165 ppb.
The current ozone (O3) concentration at Plainfield, New Jersey is 7.361 ppm.
The current nitrogen dioxide (NO2) concentration at Plainfield, New Jersey is 24.61 ppb.
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