Air quality in Maizuru, Japan today
Mr. Duck’s Air Quality Score
Moderate air today for Maizuru, Japan
This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.
Air quality today
The air quality in Maizuru today falls into the Moderate category according to OpenAQ data. The primary pollutant identified is PM2.5, with a measured reference value of 13.0 micrograms per cubic meter based on five valid observations.
No additional pollutants reached reporting thresholds, and the dataset does not include a PM10 figure. This assessment reflects the current snapshot of ambient conditions without speculation about causes or future changes. 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 dataset for Maizuru contains measurements of five pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), total nitrogen oxides (NOX), fine particulate matter (PM2.5) and sulfur dioxide (SO₂). All readings come from a single monitoring site located at 舞鶴市溝尻１２００番地, so the city’s air‑quality picture is based on one station that contributed five rows of data, one for each pollutant.
Each pollutant shows a single recorded value that also serves as its minimum, median and maximum. NO registers 0.001 ppm, NO₂ 0.015 ppm, NOX 0.016 ppm, PM2.5 13.0 µg/m³ and SO₂ 0.001 ppm. Because the statistics are identical across the five‑percentile, tenth‑percentile and ninety‑percentile calculations, there is no observed spread in the data for any of the measured compounds.
The most recent timestamp for all pollutants is 2026-02-10 22:00 UTC, which falls within the “updated within three days” freshness bucket. This means that, at the time of publishing, the information reflects conditions from just a few days ago rather than older or unknown periods. However, with only one monitoring location, the dataset cannot capture spatial variations across different neighborhoods of Maizuru, and any changes that occur after the last update will not be reflected until new measurements are posted.
Overall, the data set offers a concise snapshot: five pollutants measured at a single site, all values identical to their respective medians, and the latest readings dated early February 2026. Users should keep in mind that air quality can differ elsewhere in the city or evolve over time beyond what this limited, recent sample shows.
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 five valid measurements and is updated within 3 days, with the latest reading recorded at 2026‑02‑10T22:00:00+00:00. These values provide a current snapshot of air quality in Maizuru, but conditions can differ across neighborhoods and change throughout the day, so local variations may not be captured by this summary.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| 舞鶴市溝尻１２００番地 | no | 0.001 | ppm | 2026-02-10 22:00 UTC |
| 舞鶴市溝尻１２００番地 | no2 | 0.015 | ppm | 2026-02-10 22:00 UTC |
| 舞鶴市溝尻１２００番地 | nox | 0.016 | ppm | 2026-02-10 22:00 UTC |
| 舞鶴市溝尻１２００番地 | pm25 | 13.0 | µg/m³ | 2026-02-10 22:00 UTC |
| 舞鶴市溝尻１２００番地 | so2 | 0.001 | ppm | 2026-02-10 22:00 UTC |