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)
31
Good
Plainfield, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.30 μg/m³
0
55
155
255
425
605+
33.07 ppb
0
55
71
86
201
201+
1.45 ppb
0
36
76
186
605
1005+
6.08 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, New Jersey
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AQI 32
Good
4.01μg/m³
PM2.5
20.89μg/m³
PM10
35.46ppb
O3
1.33ppb
SO2
7.44ppb
NO2
0.21ppm
CO
AQI 32
Good
4.14μg/m³
PM2.5
20.99μg/m³
PM10
35.37ppb
O3
1.38ppb
SO2
7.32ppb
NO2
0.21ppm
CO
AQI 32
Good
4.17μg/m³
PM2.5
20.91μg/m³
PM10
35.38ppb
O3
1.35ppb
SO2
7.12ppb
NO2
0.21ppm
CO
AQI 33
Good
4.04μg/m³
PM2.5
20.94μg/m³
PM10
35.73ppb
O3
1.35ppb
SO2
7.40ppb
NO2
0.21ppm
CO
AQI 29
Good
1.70μg/m³
PM2.5
7.46μg/m³
PM10
30.66ppb
O3
1.48ppb
SO2
5.75ppb
NO2
0.21ppm
CO
AQI 32
Good
3.86μg/m³
PM2.5
18.88μg/m³
PM10
35.34ppb
O3
1.26ppb
SO2
7.68ppb
NO2
0.22ppm
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 09:00:00 on 2026-06-19.
In the last 24 hrs, the best air quality in Plainfield, New Jersey was observed at 04:00:00 on 2026-06-20.
The current air quality in Plainfield, New Jersey is 32, categorized as Good based on real-time data.
The most common pollutant in Plainfield, New Jersey is O3.
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 3.256 μg/m3.
The current PM10 concentration at Plainfield, New Jersey is 14.302 μg/m3.
The current carbon monoxide (CO) concentration at Plainfield, New Jersey is 0.206 ppm.
The current sulfur dioxide (SO2) concentration at Plainfield, New Jersey is 1.42 ppb.
The current ozone (O3) concentration at Plainfield, New Jersey is 35.223 ppm.
The current nitrogen dioxide (NO2) concentration at Plainfield, New Jersey is 5.956 ppb.
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