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)
38
Good
Bridgeport, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.03 μg/m³
0
55
155
255
425
605+
39.62 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
8.89 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bridgeport, Connecticut
Bridgeport, Connecticut
Scroll To Air Quality MapLoading...
AQI 42
Good
6.93μg/m³
PM2.5
16.56μg/m³
PM10
45.34ppb
O3
0.43ppb
SO2
6.55ppb
NO2
0.21ppm
CO
AQI 39
Good
7.18μg/m³
PM2.5
17.89μg/m³
PM10
42.35ppb
O3
0.46ppb
SO2
7.45ppb
NO2
0.21ppm
CO
AQI 38
Good
7.19μg/m³
PM2.5
17.95μg/m³
PM10
41.36ppb
O3
0.48ppb
SO2
8.45ppb
NO2
0.21ppm
CO
AQI 41
Good
6.78μg/m³
PM2.5
16.70μg/m³
PM10
44.27ppb
O3
0.43ppb
SO2
6.92ppb
NO2
0.21ppm
CO
AQI 38
Good
6.77μg/m³
PM2.5
15.56μg/m³
PM10
37.27ppb
O3
0.60ppb
SO2
14.27ppb
NO2
0.22ppm
CO
AQI 38
Good
6.68μg/m³
PM2.5
15.72μg/m³
PM10
37.88ppb
O3
0.57ppb
SO2
13.04ppb
NO2
0.21ppm
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 2026-05-13.
The best air quality in Bridgeport, Connecticut was recorded at 11:00:00 on 2026-05-14.
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 7.491 μg/m3.
The current PM10 levels in Bridgeport, Connecticut are 19.033 μg/m3.
The current carbon monoxide (CO) level in Bridgeport, Connecticut is 0.224 ppm.
The current sulfur dioxide (SO2) levels in Bridgeport, Connecticut are 0.422 ppb.
The current ozone (O3) levels at Bridgeport, Connecticut is 39.618 ppm.
The current nitrogen dioxide (NO2) levels at Bridgeport, Connecticut is 8.888 ppb.
All Rights Reserved © Ambee Inc. 2025