Stay updated with real-time air quality in Trumbull, Connecticut 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)
112
Unhealthy for sensitive groups
Trumbull, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
17.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.16 μg/m³
0
55
155
255
425
605+
73.69 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
7.45 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Trumbull, Connecticut
Trumbull, Connecticut
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AQI 108
Unhealthy for sensitive groups
16.84μg/m³
PM2.5
29.88μg/m³
PM10
73.09ppb
O3
0.30ppb
SO2
8.46ppb
NO2
0.36ppm
CO
AQI 115
Unhealthy for sensitive groups
18.52μg/m³
PM2.5
62.87μg/m³
PM10
74.82ppb
O3
0.36ppb
SO2
7.96ppb
NO2
0.36ppm
CO
AQI 97
Moderate
17.91μg/m³
PM2.5
67.51μg/m³
PM10
69.19ppb
O3
0.45ppb
SO2
8.01ppb
NO2
0.35ppm
CO
AQI 112
Unhealthy for sensitive groups
18.64μg/m³
PM2.5
59.81μg/m³
PM10
74.13ppb
O3
0.34ppb
SO2
8.55ppb
NO2
0.35ppm
CO
AQI 115
Unhealthy for sensitive groups
18.12μg/m³
PM2.5
67.21μg/m³
PM10
74.50ppb
O3
0.38ppb
SO2
9.28ppb
NO2
0.34ppm
CO
AQI 112
Unhealthy for sensitive groups
17.21μg/m³
PM2.5
44.15μg/m³
PM10
73.97ppb
O3
0.35ppb
SO2
6.63ppb
NO2
0.37ppm
CO
Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Trumbull, Connecticut is updated on an hourly basis.
The worst air quality in Trumbull, Connecticut was recorded at 11:00:00 on 2025-06-05.
The best air quality in Trumbull, Connecticut was recorded at 08:00:00 on 2025-06-06.
The real-time air quality index in Trumbull, Connecticut is 112, currently categorized as Unhealthy for Sensitive Groups.
The most common pollutant in Trumbull, Connecticut is O3.
If the air quality in Trumbull, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Trumbull, Connecticut at present are 17.491 μg/m3.
The current PM10 levels in Trumbull, Connecticut are 44.164 μg/m3.
The current carbon monoxide (CO) level in Trumbull, Connecticut is 0.365 ppm.
The current sulfur dioxide (SO2) levels in Trumbull, Connecticut are 0.349 ppb.
The current ozone (O3) levels at Trumbull, Connecticut is 73.693 ppm.
The current nitrogen dioxide (NO2) levels at Trumbull, Connecticut is 7.446 ppb.
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