Istanbul reports an annual PM2.5 of 18.7 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Compared across Turkey
Istanbul: 18.7 µg/m³. Typical range in Turkey: 17.8–24.1 µg/m³. Low anchor: Sinop, 10.1 µg/m³. High anchor: Batman, 38.1 µg/m³.
363 cities tracked