What is the air quality in Kostroma?

Kostroma, Russia has an annual US AQI of 59 (Reasonable) and average PM2.5 of 13.4 µg/m³, ranking #1902 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Kostroma?

October is typically the cleanest month (AQI 54) and April the most polluted (AQI 65).

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
1902	Kostroma, Russia	Europe	AQI 59	PM2.5 13.4 µg/m³