Air quality in Kitaibaraki, Japan today
Mr. Duck’s Air Quality Score
Moderate air today for Kitaibaraki, 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 Kitaibaraki today falls into the Moderate category. The primary pollutant identified is PM2.5 (fine particles). Measurements show a PM2.5 concentration of 10.0 µg/m³, based on five valid observations recorded via OpenAQ.
No additional pollutants reached reporting thresholds, and the data reflect the current monitoring snapshot for the city. 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 Kitaibaraki includes five measured pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), total nitrogen oxides (NOX), fine particulate matter (PM2.5) and sulfur dioxide (SO₂). All of these come from a single monitoring location at 北茨城市中郷町上桜井５３－５, so the city’s coverage is limited to one station row. The most recent reading for every pollutant was recorded on 2026‑02‑10 at 22:00 UTC and each entry notes that it was “Updated within 3 days,” indicating that the data are relatively fresh but not real‑time.
Across the five pollutants the observed values show no variation in this snapshot. NO is reported as 0.0 ppm, while both NO₂ and NOX register a uniform concentration of 0.011 ppm. PM2.5 is consistently measured at 10.0 µg/m³ and SO₂ remains steady at 0.001 ppm. Because the minimum, median and maximum are identical for each pollutant, there is no spread to describe; the dataset essentially provides a single point estimate rather than a range of conditions.
Given that only one monitoring site contributes data, the picture of air quality in Kitaibaraki is necessarily narrow. While the timestamps are recent enough to reflect conditions from just a few days ago, the lack of multiple stations means spatial variations across the city cannot be captured. Users should keep in mind that actual pollutant levels may differ elsewhere or change over time, and that this dataset offers only a snapshot from one location at a specific moment.
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 three days, with the most recent reading recorded on 2026‑02‑10 at 22:00 UTC. This snapshot provides a current view of air quality in Kitaibaraki, but conditions can differ across neighborhoods and change throughout the day, so local variations may not be captured by these figures.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| 北茨城市中郷町上桜井５３－５ | no | 0.0 | ppm | 2026-02-10 22:00 UTC |
| 北茨城市中郷町上桜井５３－５ | no2 | 0.011 | ppm | 2026-02-10 22:00 UTC |
| 北茨城市中郷町上桜井５３－５ | nox | 0.011 | ppm | 2026-02-10 22:00 UTC |
| 北茨城市中郷町上桜井５３－５ | pm25 | 10.0 | µg/m³ | 2026-02-10 22:00 UTC |
| 北茨城市中郷町上桜井５３－５ | so2 | 0.001 | ppm | 2026-02-10 22:00 UTC |