Air quality in Hukou, Taiwan today

Mr. Duck’s Air Quality Score

Moderate air today for Hukou, Taiwan

⚠️ 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 Hukou is currently classified as Moderate. The primary pollutant identified is PM2.5 (fine particles).

Measurements show a PM2.5 concentration of 15.0 µg/m³ and a PM10 level of 23.0 µg/m³, based on six valid observations reported through OpenAQ. 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 air‑quality record for Hukou is based on six individual sensor rows, each reporting a single pollutant at the same monitoring site in 新竹縣 – 湖口. All six pollutants—carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), particulate matter 10 µm or less (PM10), fine particulate matter 2.5 µm or less (PM2.5) and sulfur dioxide (SO2)—are represented, so the dataset covers the full suite of common urban contaminants.

Every measurement in the set was last refreshed on 2026‑02‑10 23:00 UTC, which falls within the “updated within 7 days” freshness bucket used by OpenAQ. Because each pollutant has only one row, the reported values are identical for minimum, median and maximum, indicating no observed variation across time or space in this snapshot. CO registers at 0.43 ppm, NO2 at 0.031 ppm, O3 at 0.003 ppm, PM10 at 23.0 µg/m³, PM2.5 at 15.0 µg/m³ and SO2 at 0.001 ppm. The percentile‑10 and percentile‑90 figures match these same numbers, confirming a single data point per pollutant rather than a distribution.

With six rows covering all six target gases, the dataset provides complete but very limited temporal depth for Hukou. Because there is only one reporting location, spatial coverage across the city cannot be assessed from this source alone; conditions may differ in other neighborhoods or at different times of day. The uniform freshness of the timestamps means the information reflects a recent moment, yet the lack of multiple observations prevents analysis of trends or variability within the city.

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 for Hukou reflects six valid measurements and was refreshed recently, with the latest update recorded on 2026‑02‑10 at 23:00 UTC; it is considered “Updated within 3 days.” This snapshot provides a brief view of current conditions, but air quality can differ across neighborhoods and change throughout the day, so local variations may not be captured in this summary.

OpenAQ station rows