Stay updated with real-time air quality in Sayreville, 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)
38
Good
Sayreville, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.84 μg/m³
0
55
155
255
425
605+
16.54 ppb
0
55
71
86
201
201+
0.96 ppb
0
36
76
186
605
1005+
7.28 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sayreville, New Jersey
Sayreville, New Jersey
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AQI 52
Moderate
9.83μg/m³
PM2.5
42.51μg/m³
PM10
14.57ppb
O3
0.95ppb
SO2
17.37ppb
NO2
0.43ppm
CO
AQI 54
Moderate
10.85μg/m³
PM2.5
48.78μg/m³
PM10
12.26ppb
O3
1.03ppb
SO2
16.95ppb
NO2
0.42ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
50.40μg/m³
PM10
6.32ppb
O3
0.96ppb
SO2
12.15ppb
NO2
0.43ppm
CO
AQI 49
Good
8.54μg/m³
PM2.5
26.87μg/m³
PM10
7.46ppb
O3
0.94ppb
SO2
16.63ppb
NO2
0.44ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
50.40μg/m³
PM10
6.32ppb
O3
0.96ppb
SO2
12.15ppb
NO2
0.43ppm
CO
AQI 54
Moderate
11.33μg/m³
PM2.5
50.19μg/m³
PM10
7.27ppb
O3
0.97ppb
SO2
12.97ppb
NO2
0.43ppm
CO
The air quality data for New Jersey, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Sayreville, New Jersey are available every hour.
Sayreville, New Jersey experienced its worst air quality at 01:00:00, 2025-12-13.
The best air quality in Sayreville, New Jersey was observed at 04:00:00 on 2025-12-13.
The air quality in Sayreville, New Jersey right now is Good, with an AQI of 49.
In Sayreville, New Jersey, PM2.5 is the most frequently found pollutant.
When air quality in Sayreville, New Jersey is compromised, staying indoors and wearing a mask can reduce health risks.
Sayreville, New Jersey currently has a PM2.5 concentration of 9.363 μg/m3.
Sayreville, New Jersey currently has a PM10 concentration of 34.949 μg/m3.
The current carbon monoxide (CO) level in Sayreville, New Jersey is 0.434 ppm.
The current sulfur dioxide (SO2) concentration in Sayreville, New Jersey is 0.947 ppb.
Sayreville, New Jersey currently has an ozone (O3) concentration of 12.154 ppm.
The current level of nitrogen dioxide (NO2) in Sayreville, New Jersey is 17.308 ppb.
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