Air quality in Bridgeport, Connecticut, United States of America today
Mr. Duck’s Air Quality Score
Good air today for Bridgeport, Connecticut, United States of America
This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.
Air quality today
The air quality in Bridgeport, Connecticut is currently rated as Good. The primary pollutant identified for today is PM2.5 (fine particles).
Measurements show a PM2.5 reference value of 8.1 µg/m³ and a PM10 reference value of 23.0 µg/m³ based on three valid observations reported through OpenAQ. This page is informational; for health guidance, use official sources such as EPA AirNow or WHO.
Latest sensor values
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
What the data includes
The Bridgeport air‑quality dataset draws from a single monitoring station that supplies four rows of observations, one for each measured pollutant. The pollutants available are carbon monoxide (CO), fine particulate matter (PM2.5), coarse particulate matter (PM10) and sulfur dioxide (SO2). For CO the most recent reading is 0.42 ppm recorded on 2020‑01‑07 13:00 UTC, which places it in the “old” freshness category. By contrast, the PM10, PM2.5 and SO2 values were all updated on 2026‑02‑10 23:00 UTC, meaning they fall within the last seven days and are considered current.
Across the four rows the numeric range is extremely narrow because each pollutant has only a single reported value. CO shows a minimum, median and maximum of 0.42 ppm; PM10 is fixed at 23.0 µg/m³; PM2.5 sits at 8.1 µg/m³; and SO2 records 0.0006 ppm. The percentile‑10 and percentile‑90 figures match these same numbers, indicating no variability in the dataset for any of the pollutants.
Because the data come from just one station, spatial coverage across Bridgeport is limited; conditions can differ in other neighborhoods or at different times of day that are not captured here. Moreover, the age disparity between the CO measurement and the more recent particulate‑matter and sulfur‑dioxide readings means that the overall picture mixes both historic and current information. Users should keep in mind that while the latest PM10, PM2.5 and SO2 values reflect conditions as of early February 2026, the CO figure reflects a snapshot from over six years ago, so any assessment of present‑day air quality must consider this uneven temporal freshness.
Learn more about sources and filtering: About the data.
Trusted references: WHO (Air pollution) · US EPA AirNow · European Environment Agency (Air)
Latest sensor values (bars)
PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).
Data notes
The data shown reflects three valid measurements and is updated within 3 days, with the most recent reading recorded at 2026‑02‑10T23:00:00+00:00. This snapshot provides a brief view of Bridgeport’s air quality; conditions can differ across neighborhoods and change throughout the day, so values may not represent every location or moment in the city.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| Bridgeport | co | 0.42 | ppm | 2020-01-07 13:00 UTC |
| Bridgeport | pm10 | 23.0 | µg/m³ | 2026-02-10 23:00 UTC |
| Bridgeport | pm25 | 8.1 | µg/m³ | 2026-02-10 23:00 UTC |
| Bridgeport | so2 | 0.0006 | ppm | 2026-02-10 23:00 UTC |