What is the air quality in Nonsan?

Nonsan, South Korea has an annual US AQI of 80 (Polluted) and average PM2.5 of 23.9 µg/m³, ranking #3791 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Nonsan?

July is typically the cleanest month (AQI 61) and March the most polluted (AQI 92).

Where does Nonsan's air quality data come from?

PM2.5: 1998–2026 (monitors 2017–2026, satellite 1998–2017; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Nonsan, South Korea — Air Quality & Clean City Guide 2026

Nonsan Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3791	Nonsan, South Korea	Asia	AQI 80	PM2.5 23.9 µg/m³