Air quality in Sudong-myeon, South Korea today

Mr. Duck’s Air Quality Score

Unhealthy for sensitive groups for Sudong-myeon, South Korea

⚠️ 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 today in Sudong-myeon is classified as USG. The primary pollutant measured is PM2.5, with a reported concentration of 37.0 µg/m³. In addition, the PM10 level is recorded at 53.0 µg/m³ based on twelve valid observations.

Data are shown via OpenAQ and reflect the current monitoring results for this location. 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

Sudong‑myeon’s air quality feed draws from two monitoring stations, giving a total of twelve recent observations across the six key pollutants tracked in the city. All twelve rows were recorded within the past week, with the most recent timestamp for each pollutant dated 2026‑02‑10 18:00 UTC, so the dataset reflects current conditions rather than historic or missing entries.

The available measurements cover carbon monoxide (CO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter ≤ 10 µm (PM10), particulate matter ≤ 2.5 µm (PM2.5) and sulfur dioxide (SO₂). For CO the values range from 0.28 to 0.30 ppm, with a median of 0.29 ppm; NO₂ varies between 0.0069 and 0.0078 ppm, centering on 0.00735 ppm. Ozone shows a slightly wider spread, from 0.0465 up to 0.0527 ppm, with a typical value of about 0.0496 ppm. Particulate matter is reported in micrograms per cubic metre: PM10 runs from 46.0 to 53.0 µg/m³ (median ≈ 49.5 µg/m³) while PM2.5 is constant at 37.0 µg/m³ across all rows, indicating no observed variation during the sampling period. Sulfur dioxide is the lowest‑concentration gas, recorded between 0.0015 and 0.0017 ppm, with a median of roughly 0.0016 ppm.

Because every pollutant has at least one recent reading from each station, the coverage is uniform in terms of freshness, but the data set shows differing degrees of variability. Gases such as CO, NO₂ and O₃ display modest ranges, whereas PM10 exhibits a broader spread that may reflect localized sources or meteorological influences. The single‑value pattern for PM2.5 suggests either limited detection sensitivity or genuinely stable fine‑particle levels during the week sampled. Overall, Sudong‑myeon’s current air quality snapshot is based on up‑to‑date observations from two sites, offering a concise but complete picture of the six monitored pollutants at this time.

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 dataset for Sudong-myeon includes twelve valid measurements and is refreshed regularly, with the latest update recorded on 2026‑02‑10 at 18:00 UTC (updated within three days). This snapshot reflects conditions at the time of collection; air quality can vary by location and time within the city, so values may differ across neighborhoods or later in the day.

OpenAQ station rows