Air quality in Merzalben, Rhineland-Palatinate, Germany today

Mr. Duck’s Air Quality Score

Good air today for Merzalben, Rhineland-Palatinate, Germany

⚠️ 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 Merzalben is classified as Good today. The primary pollutant measured is PM2.5, with a reference value of 2.55042 µg/m³, while the corresponding PM10 reference value stands at 2.71158 µg/m³ based on five valid observations.

Data are shown via OpenAQ and reflect the current assessment for this location. 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 Merzalben air‑quality record contains data for six pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter ≤ 10 µm (PM₁₀), particulate matter ≤ 2.5 µm (PM₂.₅) and sulphur dioxide (SO₂). The dataset comprises 12 measurement rows drawn from two monitoring stations, all located at the Pfälzerwald‑Hortenkopf site.

Freshness varies across the series. The most recent NO value dates back to 2024‑03‑11 11:00 UTC, while the remaining five pollutants have been updated as recently as 2026‑02‑10 18:00 UTC, indicating that for most constituents the data are less than three days old. The older timestamp for NO means that its current level is not reflected in the latest snapshot.

Across the six substances the observed concentrations span a modest range. NO stays at a single recorded value of 0.9976 µg/m³; NO₂ fluctuates between 2.48 and 4.60 µg/m³ with a median of about 3.54 µg/m³; O₃ ranges from 56.51 to 72.03 µg/m³, centred near 64.27 µg/m³; PM₁₀ varies between 2.71 and 9.07 µg/m³ with a median of roughly 5.89 µg/m³; PM₂.₅ is recorded from 2.55 to 6.84 µg/m³, median about 4.69 µg/m³; SO₂ shows an almost constant level around 1.000125 µg/m³. The percentile spread (10th‑90th) for each pollutant confirms that most values cluster close to the medians, especially for NO and SO₂ where variation is minimal.

Because only two stations feed the record, the figures represent conditions at a single location within Merzalben. Spatial differences across the municipality or short‑term changes between measurement times are not captured here, so actual air quality can differ elsewhere or at moments beyond the timestamps provided.

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 Merzalben are based on five valid measurements and were refreshed recently, with the latest update recorded at 2026‑02‑10T18:00:00+00:00 (updated within 3 days). This snapshot reflects conditions at the time of measurement; air quality can vary across different neighbourhoods and times of day within the city.

OpenAQ station rows