Stay updated with real-time air quality in Randolph, 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)
26
Good
Randolph, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.93 μg/m³
0
55
155
255
425
605+
27.55 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
4.20 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Randolph, New Jersey
Randolph, New Jersey
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AQI 31
Good
4.86μg/m³
PM2.5
20.72μg/m³
PM10
32.56ppb
O3
0.61ppb
SO2
6.84ppb
NO2
0.23ppm
CO
AQI 31
Good
5.21μg/m³
PM2.5
22.35μg/m³
PM10
32.56ppb
O3
0.61ppb
SO2
6.65ppb
NO2
0.22ppm
CO
AQI 29
Good
2.87μg/m³
PM2.5
10.13μg/m³
PM10
31.01ppb
O3
0.60ppb
SO2
8.48ppb
NO2
0.24ppm
CO
AQI 29
Good
3.50μg/m³
PM2.5
18.29μg/m³
PM10
30.95ppb
O3
0.60ppb
SO2
5.81ppb
NO2
0.23ppm
CO
AQI 28
Good
3.09μg/m³
PM2.5
10.36μg/m³
PM10
29.55ppb
O3
0.60ppb
SO2
7.30ppb
NO2
0.25ppm
CO
AQI 29
Good
2.87μg/m³
PM2.5
10.13μg/m³
PM10
31.01ppb
O3
0.60ppb
SO2
8.48ppb
NO2
0.24ppm
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 Randolph, New Jersey is updated every hour.
The worst air quality in Randolph, New Jersey in the last 24 hours was observed at 04:00:00 on 2026-05-30.
In the last 24 hrs, the best air quality in Randolph, New Jersey was observed at 06:00:00 on 2026-05-30.
The current air quality in Randolph, New Jersey is 29, categorized as Good based on real-time data.
The most common pollutant in Randolph, New Jersey is O3.
If the air quality in Randolph, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Randolph, New Jersey is 1.219 μg/m3.
The current PM10 concentration at Randolph, New Jersey is 5.06 μg/m3.
The current carbon monoxide (CO) concentration at Randolph, New Jersey is 0.198 ppm.
The current sulfur dioxide (SO2) concentration at Randolph, New Jersey is 0.594 ppb.
The current ozone (O3) concentration at Randolph, New Jersey is 30.581 ppm.
The current nitrogen dioxide (NO2) concentration at Randolph, New Jersey is 9.356 ppb.
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