What is the air quality in Karaj?

Karaj, Iran has an annual US AQI of 88 (Polluted) and average PM2.5 of 28.7 µg/m³, ranking #4175 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Karaj?

June is typically the cleanest month (AQI 84) and April the most polluted (AQI 92).

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
4175	Karaj, Iran	Africa & Middle East	AQI 88	PM2.5 28.7 µg/m³