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)
56
Moderate
Trumbull, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.83 μg/m³
0
55
155
255
425
605+
22.60 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
13.85 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Trumbull, Connecticut
Trumbull, Connecticut
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AQI 124
Unhealthy for sensitive groups
44.50μg/m³
PM2.5
60.29μg/m³
PM10
41.23ppb
O3
2.18ppb
SO2
4.83ppb
NO2
0.46ppm
CO
AQI 132
Unhealthy for sensitive groups
48.44μg/m³
PM2.5
93.23μg/m³
PM10
40.31ppb
O3
1.54ppb
SO2
5.27ppb
NO2
0.46ppm
CO
AQI 153
Unhealthy
57.71μg/m³
PM2.5
118.22μg/m³
PM10
40.40ppb
O3
1.18ppb
SO2
5.11ppb
NO2
0.47ppm
CO
AQI 134
Unhealthy for sensitive groups
48.73μg/m³
PM2.5
94.90μg/m³
PM10
40.23ppb
O3
1.37ppb
SO2
5.66ppb
NO2
0.45ppm
CO
AQI 151
Unhealthy
55.53μg/m³
PM2.5
120.74μg/m³
PM10
41.10ppb
O3
0.84ppb
SO2
6.06ppb
NO2
0.45ppm
CO
AQI 127
Unhealthy for sensitive groups
46.09μg/m³
PM2.5
97.54μg/m³
PM10
40.53ppb
O3
1.84ppb
SO2
4.08ppb
NO2
0.47ppm
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 05:00:00 on 2025-07-26.
The best air quality in Trumbull, Connecticut was recorded at 08:00:00 on 2025-07-26.
The real-time air quality index in Trumbull, Connecticut is 134, currently categorized as Unhealthy for Sensitive Groups.
The most common pollutant in Trumbull, Connecticut is PM2.5.
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 49.151 μg/m3.
The current PM10 levels in Trumbull, Connecticut are 95.757 μg/m3.
The current carbon monoxide (CO) level in Trumbull, Connecticut is 0.485 ppm.
The current sulfur dioxide (SO2) levels in Trumbull, Connecticut are 1.848 ppb.
The current ozone (O3) levels at Trumbull, Connecticut is 41.546 ppm.
The current nitrogen dioxide (NO2) levels at Trumbull, Connecticut is 5.268 ppb.
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