Air quality in Kurihara, Japan today
Mr. Duck’s Air Quality Score
Good air today for Kurihara, 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 Kurihara is classified as Good today. The primary pollutant identified is PM2.5 (fine particles). Measurements show a PM2.5 concentration of 2.0 µg/m³, based on four valid observations recorded by OpenAQ.
Overall conditions meet the Good category criteria with no additional pollutants reported. 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 Kurihara contains measurements from a single monitoring location (four rows of data) and includes four pollutants: nitrogen monoxide (NO), nitrogen dioxide (NO₂), total oxidised nitrogen (NOX) and fine particulate matter (PM2.5). All values were recorded at the same site, 栗原市築館藤木５－１, with the most recent timestamp 2026‑02‑10 22:00 UTC for each pollutant, which is within three days of today’s date and therefore considered fresh.
For NO the observed range is a flat zero – the minimum, median and maximum are all 0.0 ppm, indicating no detectable concentration at this time. NO₂ and NOX show identical statistics: each has a minimum, median and maximum of 0.004 ppm, with the 10th and 90th percentiles matching that same figure, so there is no observed variability across the recorded period. PM2.5 is reported as 2.0 µg/m³ at the single location, again with no spread between minimum, median and maximum values.
Because the data come from only one station, coverage across Kurihara is limited; any spatial differences in air quality cannot be captured by this set. The timestamps are uniformly recent, so the information reflects conditions as of early February 2026 rather than older or unknown periods. With all four pollutants present but each showing a single static value, the dataset provides a snapshot rather than a range of observations, and users should keep in mind that air quality can vary by neighbourhood and over time beyond what is captured here.
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 current dataset for Kurihara is based on four valid measurements and was updated within 3 days, with the latest refresh recorded at 2026‑02‑10T22:00:00+00:00. These values provide a recent snapshot of ambient conditions, but air quality can differ across neighborhoods and change throughout the day, so this information reflects only the specific time and locations sampled.
OpenAQ station rows
| Station | Parameter | Value | Unit | Last updated |
|---|---|---|---|---|
| 栗原市築館藤木５－１ | no | 0.0 | ppm | 2026-02-10 22:00 UTC |
| 栗原市築館藤木５－１ | no2 | 0.004 | ppm | 2026-02-10 22:00 UTC |
| 栗原市築館藤木５－１ | nox | 0.004 | ppm | 2026-02-10 22:00 UTC |
| 栗原市築館藤木５－１ | pm25 | 2.0 | µg/m³ | 2026-02-10 22:00 UTC |