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)
54
Moderate
Bridgeport, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.07 μg/m³
0
55
155
255
425
605+
53.08 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
3.65 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bridgeport, Connecticut
Bridgeport, Connecticut
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AQI 33
Good
5.81μg/m³
PM2.5
14.76μg/m³
PM10
24.48ppb
O3
0.73ppb
SO2
13.72ppb
NO2
0.23ppm
CO
AQI 33
Good
6.07μg/m³
PM2.5
14.34μg/m³
PM10
23.18ppb
O3
0.77ppb
SO2
12.99ppb
NO2
0.24ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
14.47μg/m³
PM10
21.75ppb
O3
0.78ppb
SO2
12.86ppb
NO2
0.24ppm
CO
AQI 33
Good
5.58μg/m³
PM2.5
14.51μg/m³
PM10
23.97ppb
O3
0.72ppb
SO2
13.87ppb
NO2
0.23ppm
CO
AQI 22
Good
3.87μg/m³
PM2.5
15.22μg/m³
PM10
14.65ppb
O3
0.86ppb
SO2
12.06ppb
NO2
0.25ppm
CO
AQI 27
Good
4.53μg/m³
PM2.5
14.33μg/m³
PM10
17.84ppb
O3
0.84ppb
SO2
12.06ppb
NO2
0.24ppm
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 12:00:00 on 2026-08-07.
The best air quality in Bridgeport, Connecticut was recorded at 07:00:00 on 2026-08-08.
The real-time air quality index in Bridgeport, Connecticut is 38, currently categorized as Good.
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 6.763 μg/m3.
The current PM10 levels in Bridgeport, Connecticut are 14.022 μg/m3.
The current carbon monoxide (CO) level in Bridgeport, Connecticut is 0.237 ppm.
The current sulfur dioxide (SO2) levels in Bridgeport, Connecticut are 0.763 ppb.
The current ozone (O3) levels at Bridgeport, Connecticut is 23.934 ppm.
The current nitrogen dioxide (NO2) levels at Bridgeport, Connecticut is 13.543 ppb.
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