What is the air quality in Hyesan?

Hyesan, North Korea has an annual US AQI of 75 (Polluted) and average PM2.5 of 21.6 µg/m³, ranking #3527 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Hyesan?

August is typically the cleanest month (AQI 54) and January the most polluted (AQI 93).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
3527	Hyesan, North Korea	Asia	AQI 75	PM2.5 21.6 µg/m³