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)
60
Moderate
Trumbull, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.54 μg/m³
0
55
155
255
425
605+
13.35 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
25.71 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Trumbull, Connecticut
Trumbull, Connecticut
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AQI 60
Moderate
13.99μg/m³
PM2.5
22.13μg/m³
PM10
12.68ppb
O3
0.10ppb
SO2
26.60ppb
NO2
0.41ppm
CO
AQI 60
Moderate
13.78μg/m³
PM2.5
25.52μg/m³
PM10
13.38ppb
O3
0.13ppb
SO2
25.91ppb
NO2
0.41ppm
CO
AQI 60
Moderate
14.46μg/m³
PM2.5
58.51μg/m³
PM10
11.89ppb
O3
0.25ppb
SO2
21.39ppb
NO2
0.40ppm
CO
AQI 58
Moderate
13.16μg/m³
PM2.5
29.85μg/m³
PM10
12.02ppb
O3
0.22ppb
SO2
24.65ppb
NO2
0.39ppm
CO
AQI 58
Moderate
12.99μg/m³
PM2.5
49.67μg/m³
PM10
9.53ppb
O3
0.24ppb
SO2
21.51ppb
NO2
0.39ppm
CO
AQI 60
Moderate
13.81μg/m³
PM2.5
30.43μg/m³
PM10
13.05ppb
O3
0.15ppb
SO2
26.12ppb
NO2
0.42ppm
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 10:00:00 on 2025-12-28.
The best air quality in Trumbull, Connecticut was recorded at 12:00:00 on 2025-12-28.
The real-time air quality index in Trumbull, Connecticut is 60, currently categorized as Moderate.
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 13.561 μg/m3.
The current PM10 levels in Trumbull, Connecticut are 25.538 μg/m3.
The current carbon monoxide (CO) level in Trumbull, Connecticut is 0.409 ppm.
The current sulfur dioxide (SO2) levels in Trumbull, Connecticut are 0.139 ppb.
The current ozone (O3) levels at Trumbull, Connecticut is 13.354 ppm.
The current nitrogen dioxide (NO2) levels at Trumbull, Connecticut is 25.714 ppb.
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