Air quality in Fukaya, Japan today

Mr. Duck’s Air Quality Score

Good air today for Fukaya, Japan

⚠️ 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 Fukaya is classified as Good today. The primary pollutant identified is PM2.5, which represents fine particulate matter measured in the atmosphere.

Measurements show a PM2.5 concentration of 6.0 µg/m³ based on eight valid observations collected through OpenAQ. This indicates that the current level of fine particles falls within the range associated with the Good category. 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 Fukaya currently includes measurements of four pollutants – nitrogen monoxide (NO), nitrogen dioxide (NO₂), total nitrogen oxides (NOX) and fine particulate matter (PM2.5). All values come from two monitoring stations, each providing a recent reading that was last updated on 2026-02-10 22:00 UTC, so the data are fresh within the past three days for every pollutant.

Across the two stations the observed concentrations show a narrow spread. NO is recorded between 0.001 ppm and 0.002 ppm with a median of 0.0015 ppm; NO₂ ranges from 0.009 ppm to 0.010 ppm, median 0.0095 ppm; NOX varies from 0.010 ppm to 0.012 ppm, median 0.011 ppm. PM2.5 values are between 3.0 µg/m³ and 6.0 µg/m³, with a typical (median) level of 4.5 µg/m³. The 10th‑percentile figures sit just above the minima for each gas (NO 0.0011 ppm, NO₂ 0.0091 ppm, NOX 0.0102 ppm) and at 3.3 µg/m³ for PM2.5, while the 90th‑percentile values remain close to the maxima (NO 0.0019 ppm, NO₂ 0.0099 ppm, NOX 0.0118 ppm, PM2.5 5.7 µg/m³).

Because the data set consists of only two recent rows per pollutant, coverage is limited to a single location (深谷市上野台５０８) and does not capture spatial variation across the city. Nevertheless, the timestamps are uniformly current, indicating that the available readings reflect conditions at the same moment for all four pollutants.

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 eight valid measurements and were refreshed recently, with the latest update recorded at 2026‑02‑10T22:00:00+00:00 (updated within 3 days). This snapshot reflects conditions measured across Fukaya but air quality can differ by specific location and time of day within the city, so values may not represent every neighbourhood or moment.

OpenAQ station rows