Air quality in Hanamaki, Japan today
Mr. Duck’s Air Quality Score
Good air today for Hanamaki, 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 Hanamaki today is classified as Good. The primary pollutant identified is PM2.5, with a measured concentration of 6.0 µg/m³ based on five valid observations reported through OpenAQ.
This assessment reflects the current monitoring data without additional interpretation. 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 Hanamaki air‑quality dataset contains measurements for five pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), combined nitrogen oxides (NOX), fine particulate matter (PM2.5) and sulfur dioxide (SO₂). All of these are reported from a single monitoring location at 花巻市花城町１－４１, so the city’s coverage is limited to one station.
The most recent readings were all recorded on 2026‑02‑10 at 22:00 UTC, which falls within the “updated within 3 days” freshness window. Because there is only one row of data for each pollutant, the reported values are both the minimum and maximum observed during the sampling period. NO and SO₂ are measured at 0.0 ppm, while NO₂ and NOX each show a consistent concentration of 0.009 ppm. PM2.5 registers a stable 6.0 µg/m³ across the same timestamp.
With just one monitoring site, the dataset does not capture spatial variation across Hanamaki; conditions elsewhere in the city may differ from those at 花巻市花城町１－４１. The uniformity of the numbers—identical minimum, median and maximum values for each pollutant—reflects the limited temporal depth of the record rather than a broad range of observed conditions. Nonetheless, the data are current as of early February 2026, providing an up‑to‑date snapshot from the sole available sensor in Hanamaki.
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 are based on five valid measurements and were refreshed recently, having been updated within three days (last update: 2026‑02‑10 22:00 UTC). This snapshot reflects conditions at the time of collection, but air quality can vary across different neighborhoods and times of day within Hanamaki. Consequently, values may not represent every location or moment in the city.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| 花巻市花城町１－４１ | no | 0.0 | ppm | 2026-02-10 22:00 UTC |
| 花巻市花城町１－４１ | no2 | 0.009 | ppm | 2026-02-10 22:00 UTC |
| 花巻市花城町１－４１ | nox | 0.009 | ppm | 2026-02-10 22:00 UTC |
| 花巻市花城町１－４１ | pm25 | 6.0 | µg/m³ | 2026-02-10 22:00 UTC |
| 花巻市花城町１－４１ | so2 | 0.0 | ppm | 2026-02-10 22:00 UTC |