Stay updated with real-time air quality in Bridgeport, 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
Bridgeport, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.67 μg/m³
0
55
155
255
425
605+
20.33 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
13.03 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Bridgeport, Connecticut
Bridgeport, Connecticut
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AQI 52
Moderate
9.98μg/m³
PM2.5
32.34μg/m³
PM10
39.41ppb
O3
0.51ppb
SO2
4.67ppb
NO2
0.17ppm
CO
AQI 52
Moderate
9.98μg/m³
PM2.5
25.73μg/m³
PM10
40.13ppb
O3
0.54ppb
SO2
4.13ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.22μg/m³
PM2.5
28.10μg/m³
PM10
40.73ppb
O3
0.54ppb
SO2
3.79ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.21μg/m³
PM2.5
31.23μg/m³
PM10
39.19ppb
O3
0.49ppb
SO2
5.01ppb
NO2
0.16ppm
CO
AQI 56
Moderate
11.53μg/m³
PM2.5
47.87μg/m³
PM10
42.81ppb
O3
0.46ppb
SO2
2.38ppb
NO2
0.19ppm
CO
AQI 54
Moderate
10.77μg/m³
PM2.5
38.78μg/m³
PM10
41.24ppb
O3
0.47ppb
SO2
3.28ppb
NO2
0.19ppm
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 Bridgeport, Connecticut is updated on an hourly basis.
The worst air quality in Bridgeport, Connecticut was recorded at 10:00:00 on 2025-07-27.
The best air quality in Bridgeport, Connecticut was recorded at 04:00:00 on 2025-07-28.
The real-time air quality index in Bridgeport, Connecticut is 52, currently categorized as Moderate.
The most common pollutant in Bridgeport, Connecticut is PM2.5.
If the air quality in Bridgeport, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Bridgeport, Connecticut at present are 9.512 μg/m3.
The current PM10 levels in Bridgeport, Connecticut are 18.334 μg/m3.
The current carbon monoxide (CO) level in Bridgeport, Connecticut is 0.213 ppm.
The current sulfur dioxide (SO2) levels in Bridgeport, Connecticut are 0.6 ppb.
The current ozone (O3) levels at Bridgeport, Connecticut is 40.283 ppm.
The current nitrogen dioxide (NO2) levels at Bridgeport, Connecticut is 9.048 ppb.
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