Saint Petersburg reports an annual PM2.5 of 9.3 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Compared across Russia
Saint Petersburg: 9.3 µg/m³. Typical range in Russia: 9.1–11.8 µg/m³. Low anchor: Murmansk, 3.2 µg/m³. High anchor: Moscow, 16.8 µg/m³.
946 cities tracked