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)
28
Good
Plainfield, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.61 μg/m³
0
55
155
255
425
605+
30.50 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
4.14 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, New Jersey
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AQI 29
Good
2.33μg/m³
PM2.5
5.78μg/m³
PM10
30.53ppb
O3
0.70ppb
SO2
3.96ppb
NO2
0.14ppm
CO
AQI 29
Good
2.22μg/m³
PM2.5
5.76μg/m³
PM10
30.52ppb
O3
0.74ppb
SO2
4.10ppb
NO2
0.13ppm
CO
AQI 28
Good
2.11μg/m³
PM2.5
5.61μg/m³
PM10
30.50ppb
O3
0.73ppb
SO2
4.14ppb
NO2
0.14ppm
CO
AQI 29
Good
2.47μg/m³
PM2.5
8.46μg/m³
PM10
30.53ppb
O3
0.71ppb
SO2
3.99ppb
NO2
0.14ppm
CO
AQI 30
Good
3.00μg/m³
PM2.5
12.07μg/m³
PM10
32.29ppb
O3
0.84ppb
SO2
4.87ppb
NO2
0.12ppm
CO
AQI 28
Good
2.54μg/m³
PM2.5
8.50μg/m³
PM10
29.96ppb
O3
0.66ppb
SO2
3.92ppb
NO2
0.14ppm
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 2026-01-23.
In the last 24 hrs, the best air quality in Plainfield, New Jersey was observed at 12:00:00 on 2026-01-23.
The current air quality in Plainfield, New Jersey is 28, 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 2.113 μg/m3.
The current PM10 concentration at Plainfield, New Jersey is 5.606 μg/m3.
The current carbon monoxide (CO) concentration at Plainfield, New Jersey is 0.135 ppm.
The current sulfur dioxide (SO2) concentration at Plainfield, New Jersey is 0.729 ppb.
The current ozone (O3) concentration at Plainfield, New Jersey is 30.496 ppm.
The current nitrogen dioxide (NO2) concentration at Plainfield, New Jersey is 4.142 ppb.
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