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)
49
Good
Plainfield, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.52 μg/m³
0
55
155
255
425
605+
19.20 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
15.54 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Plainfield, New Jersey
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AQI 49
Good
8.70μg/m³
PM2.5
24.49μg/m³
PM10
19.88ppb
O3
0.60ppb
SO2
14.82ppb
NO2
0.43ppm
CO
AQI 49
Good
8.91μg/m³
PM2.5
19.50μg/m³
PM10
22.12ppb
O3
0.61ppb
SO2
15.13ppb
NO2
0.43ppm
CO
AQI 49
Good
8.99μg/m³
PM2.5
19.52μg/m³
PM10
19.20ppb
O3
0.60ppb
SO2
15.54ppb
NO2
0.43ppm
CO
AQI 49
Good
9.26μg/m³
PM2.5
24.32μg/m³
PM10
15.56ppb
O3
0.60ppb
SO2
14.69ppb
NO2
0.43ppm
CO
AQI 38
Good
7.19μg/m³
PM2.5
32.13μg/m³
PM10
16.45ppb
O3
0.63ppb
SO2
24.44ppb
NO2
0.42ppm
CO
AQI 49
Good
8.75μg/m³
PM2.5
26.24μg/m³
PM10
20.56ppb
O3
0.58ppb
SO2
14.82ppb
NO2
0.41ppm
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 03:00:00 on 2026-03-11.
In the last 24 hrs, the best air quality in Plainfield, New Jersey was observed at 08:00:00 on 2026-03-12.
The current air quality in Plainfield, New Jersey is 49, 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 8.992 μg/m3.
The current PM10 concentration at Plainfield, New Jersey is 19.519 μg/m3.
The current carbon monoxide (CO) concentration at Plainfield, New Jersey is 0.429 ppm.
The current sulfur dioxide (SO2) concentration at Plainfield, New Jersey is 0.605 ppb.
The current ozone (O3) concentration at Plainfield, New Jersey is 19.197 ppm.
The current nitrogen dioxide (NO2) concentration at Plainfield, New Jersey is 15.538 ppb.
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