Air Quality Lab — Zagreb, Croatia
Air Quality Profile
Zagreb reports an annual PM2.5 of 13.2 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Zagreb
Croatia
CroatiaAnnual Average
FairWHO annual classification
13.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2020 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1010 µg/m³ — Fair
8.08.0 µg/m³ — Good
9.69.6 µg/m³ — Good
9.79.7 µg/m³ — Good
1010 µg/m³ — Good
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1717 µg/m³ — Moderate
2020 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2020 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1010 µg/m³ — Fair
8.08.0 µg/m³ — Good
9.69.6 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
9.79.7 µg/m³ — Good
1010 µg/m³ — Good
1111 µg/m³ — Fair
1111 µg/m³ — Fair
1717 µg/m³ — Moderate
2020 µg/m³ — Moderate
Best months: May–JulWorst months: Jan–Feb, Dec
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Croatia
Zagreb: 13.2 µg/m³. Typical range in Croatia: 11.6–13.9 µg/m³. Low anchor: Dubrovnik, 9.5 µg/m³. High anchor: Slavonski Brod, 15.0 µg/m³.
22 cities tracked