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)
52
Moderate
Roselle, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.52 μg/m³
0
55
155
255
425
605+
39.12 ppb
0
55
71
86
201
201+
0.95 ppb
0
36
76
186
605
1005+
24.76 ppb
0
54
101
361
1250
2050+
0.44 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 52
Moderate
10.06μg/m³
PM2.5
44.84μg/m³
PM10
39.56ppb
O3
0.95ppb
SO2
24.50ppb
NO2
0.43ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
42.74μg/m³
PM10
38.04ppb
O3
0.93ppb
SO2
21.62ppb
NO2
0.42ppm
CO
AQI 52
Moderate
9.80μg/m³
PM2.5
43.50μg/m³
PM10
38.17ppb
O3
0.94ppb
SO2
23.80ppb
NO2
0.43ppm
CO
AQI 54
Moderate
10.71μg/m³
PM2.5
48.04μg/m³
PM10
41.24ppb
O3
0.94ppb
SO2
23.47ppb
NO2
0.43ppm
CO
AQI 54
Moderate
10.95μg/m³
PM2.5
49.06μg/m³
PM10
42.41ppb
O3
0.98ppb
SO2
32.53ppb
NO2
0.47ppm
CO
AQI 54
Moderate
10.77μg/m³
PM2.5
48.44μg/m³
PM10
43.94ppb
O3
0.94ppb
SO2
24.14ppb
NO2
0.42ppm
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 03:00:00 on 2026-08-14.
In the last 24 hrs, the best air quality in Roselle, New Jersey was observed at 06:00:00 on 2026-08-14.
The current air quality in Roselle, New Jersey is 52, categorized as Moderate based on real-time data.
The most common pollutant in Roselle, New Jersey is PM2.5.
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 10.002 μg/m3.
The current PM10 concentration at Roselle, New Jersey is 44.519 μg/m3.
The current carbon monoxide (CO) concentration at Roselle, New Jersey is 0.437 ppm.
The current sulfur dioxide (SO2) concentration at Roselle, New Jersey is 0.947 ppb.
The current ozone (O3) concentration at Roselle, New Jersey is 39.123 ppm.
The current nitrogen dioxide (NO2) concentration at Roselle, New Jersey is 24.759 ppb.
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