Air quality in Bucharest, Romania today

Mr. Duck’s Air Quality Score

Moderate air today for Bucharest, 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 Bucharest is currently classified as Moderate. The primary pollutant identified for today is PM2.5 (fine particles).

Measurements show a PM2.5 concentration of 29.28 µg/m³ and a PM10 level of 20.74 µg/m³, based on 55 valid observations recorded by 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 OpenAQ feed for Bucharest contains recent measurements for nine atmospheric variables: carbon monoxide (CO), nitrogen dioxide (NO₂), ozone (O₃) – although no O₃ values appear in the current rows, particulate matter of three size fractions (PM1, PM2.5 and PM10), sulphur dioxide (SO₂), relative humidity and temperature. Altogether 18 sensor rows are present, but coverage is uneven: the most frequently reported pollutants are CO, NO₂ and PM10, each with 15‑22 recent records, while PM1, relative humidity and temperature have only five rows each, and SO₂ appears in just twelve.

All timestamps are from the same day, 2026‑02‑10, and the latest update for every pollutant is within the last eight hours (e.g., CO at 19:00 UTC, PM2.5 at 20:00 UTC). This means the dataset reflects conditions on that specific morning rather than a continuous stream. Median values show a broad spread: CO sits at 585.8 µg/m³ with a range from about 56 to 2071 µg/m³; NO₂ median is 33.2 µg/m³, ranging from –1 to 59 µg/m³; PM10 median is 16.7 µg/m³, spanning 4.7 to 34.0 µg/m³. Particulate matter finer than 2.5 µm has a median of 10.8 µg/m³ (range 3.6‑73.2), while PM1 median is 11.0 µg/m³ (range 1.0‑45.3). SO₂ values are low, with a median of 4.5 µg/m³ and a narrow spread between –1 and 5.95 µg/m³.

Relative humidity measurements cluster near the upper end of their range, with a median of 52.6 % and a maximum of 54.1 %, while temperature shows a modest spread from –2.1 °C to 16.1 °C and a median of 6.8 °C. Because some pollutants have only a handful of recent rows, the picture they provide is limited; conditions can differ across neighborhoods and times of day, so the snapshot should be interpreted as a brief momentary view rather than a comprehensive city‑wide assessment.

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 dataset for Bucharest includes 55 valid measurements and is updated within 3 days, with the most recent data recorded on 2026‑02‑10T20:00:00+00:00. These figures reflect a snapshot of conditions across the monitoring network at that time. Air quality can differ by specific location and moment within the city, so values may not represent every street or neighbourhood at any given instant.

OpenAQ station rows