Air quality in Călărași, Romania today

Mr. Duck’s Air Quality Score

Good air today for Călărași, Romania

⚠️ This website is currently under active development. Some data may be incomplete or temporarily inaccurate. For health-critical decisions, please verify information through official government or environmental sources.

Categories follow US EPA AQI breakpoints for PM (estimate from latest valid measurements; this project does not compute EPA NowCast/24-hour AQI yet).

This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.

Air quality today

The air quality in Călărași is currently classified as Good. The main pollutant identified is PM10, with a measured reference value of 19.68 µg/m³ based on six valid observations reported through OpenAQ.

Overall conditions meet the criteria for a Good rating according to the available data. 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 air‑quality record for Călărași currently draws on ten data rows collected at three monitoring stations, covering five pollutants: carbon monoxide (CO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter 10 µm or less (PM10) and sulfur dioxide (SO₂). All of the latest measurements were recorded on 2026‑02‑10 at 19:00 UTC, so the most recent snapshot is uniformly fresh across the dataset.

The values show a wide spread for some gases. CO reaches a maximum of 574.15 µg/m³ while its minimum is recorded as –1000 µg/m³, indicating occasional extreme or possibly erroneous readings; the median sits at –212.92 µg/m³. NO₂ varies between 10.08 and 44.53 µg/m³ with a median of 37.01 µg/m³, suggesting most recent concentrations cluster toward the higher end of that range. PM10 is tightly bounded, ranging from 18.91 to 19.68 µg/m³ and centering on a median of 19.30 µg/m³, reflecting very little fluctuation among the available rows. SO₂ spans from –1.0 up to 12.99 µg/m³ with a median of 5.997 µg/m³, while O₃ is represented by a single reading of 18.18291 µg/m³.

Coverage across pollutants is uneven: CO and NO₂ each have three recent rows, PM10 and SO₂ have two, and O₃ appears only once. Although the timestamps are all current, the limited number of observations—especially for ozone—means that city‑wide conditions may differ by location and time beyond what these snapshots capture.

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 for Călărași is based on six valid measurements and was refreshed recently, having been Updated within 3 days (last update: 2026‑02‑10T19:00:00+00:00). This snapshot reflects conditions at the time of sampling; air quality can differ across neighborhoods and change throughout the day, so values may not represent every location or moment in the city.

OpenAQ station rows