Kohtla-Järve reports an annual PM2.5 of 5.4 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Compared across Estonia
Kohtla-Järve: 5.4 µg/m³. Typical range in Estonia: 5.5–7.0 µg/m³. High anchor: Tallinn, 7.2 µg/m³.
7 cities tracked