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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.43 μg/m³
0
55
155
255
425
605+
32.87 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
3.29 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Roselle, New Jersey
Roselle, New Jersey
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AQI 28
Good
4.62μg/m³
PM2.5
20.23μg/m³
PM10
30.33ppb
O3
0.82ppb
SO2
3.62ppb
NO2
0.12ppm
CO
AQI 28
Good
4.69μg/m³
PM2.5
18.77μg/m³
PM10
30.04ppb
O3
0.79ppb
SO2
3.66ppb
NO2
0.12ppm
CO
AQI 28
Good
4.57μg/m³
PM2.5
19.16μg/m³
PM10
30.16ppb
O3
0.80ppb
SO2
3.65ppb
NO2
0.12ppm
CO
AQI 28
Good
4.63μg/m³
PM2.5
20.90μg/m³
PM10
30.49ppb
O3
0.83ppb
SO2
3.64ppb
NO2
0.11ppm
CO
AQI 29
Good
4.70μg/m³
PM2.5
23.55μg/m³
PM10
30.52ppb
O3
0.85ppb
SO2
3.17ppb
NO2
0.10ppm
CO
AQI 29
Good
4.69μg/m³
PM2.5
22.25μg/m³
PM10
30.65ppb
O3
0.85ppb
SO2
3.52ppb
NO2
0.11ppm
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 Roselle, New Jersey is updated every hour.
The worst air quality in Roselle, New Jersey in the last 24 hours was observed at 05:00:00 on 2026-01-24.
In the last 24 hrs, the best air quality in Roselle, New Jersey was observed at 08:00:00 on 2026-01-23.
The current air quality in Roselle, New Jersey is 30, categorized as Good based on real-time data.
The most common pollutant in Roselle, New Jersey is O3.
If the air quality in Roselle, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Roselle, New Jersey is 4.79 μg/m3.
The current PM10 concentration at Roselle, New Jersey is 22.809 μg/m3.
The current carbon monoxide (CO) concentration at Roselle, New Jersey is 0.117 ppm.
The current sulfur dioxide (SO2) concentration at Roselle, New Jersey is 0.811 ppb.
The current ozone (O3) concentration at Roselle, New Jersey is 31.686 ppm.
The current nitrogen dioxide (NO2) concentration at Roselle, New Jersey is 3.57 ppb.
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