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Air quality in Slovenia

Capital: LjubljanaSlovenianUpdated October 2026
13µg/m³ national average

Air quality in Slovenia

People in Slovenia breathe an average of 13 µg/m³ of PM2.5 (2023), 3× the WHO guideline. Moderate.

Air quality by place in Slovenia

Measured annual averages from the WHO Ambient Air Quality Database.

PlacePM2.5YearLevel
Piran10.3 µg/m³2024Moderate
Maribor11 µg/m³2020Moderate
Ljubljana16 µg/m³2020Polluted

Air quality by place

Sources

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