Reference Data in Zagreb 20 indicators covering reference data for Zagreb. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree -54.2 % change on previous year 2025 down 133.4% 838th Cooling and heating degree days - Cities and FUAs — Change in cooling -100.68 % change on previous year 2025 down 129.9% 523rd Cooling and heating degree days - Cities and FUAs, annual growth rate -2.25 % change on previous year 2025 down 111.9% 489th Cooling and heating degree days - Cities and FUAs — Change in heating -11.22 % change on previous year 2025 down 120.2% 508th Cooling and heating degree days - Cities and FUAs — Change in heating -409.38 Degree days 2025 down 64.6% 858th Cooling and heating degree days - Cities and FUAs 1,792 Degree days 2025 down 8.2% 502nd Cooling and heating degree days - Cities and FUAs — Change in cooling -1.19 Degree days 2025 down 101.0% 491st Cooling and heating degree days - Cities and FUAs — Cooling degree 148.05 Degree days 2025 down 43.9% 569th Precipitation - Cities and FUAs — Extreme precipitation days 8.69 Days per year 2024 down 47.7% 513th Precipitation - Cities and FUAs — Change in extreme precipitation 1.62 Days per year 2024 down 83.0% 544th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed 41.5 Percentage of national value 2025 down 13.7% 31st Internet speed - Cities and FUAs — Uploading speed 43.1 Percentage of national value 2025 down 6.1% 102nd Correction coefficients outside the European Union (Duty stations) 76.5 Index 2014 down 22.7% 99th Purchasing Power Parities outside the European Union (Duty stations) 5.79 Purchasing power standard (PPS) 2014 down 20.6% 107th Correction coefficients outside the European Union (Duty stations) 76.5 Index 2014 down 22.7% 100th Correction coefficients in the European Union (Duty stations) - index 89 Index 2026 up 21.1% 20th Purchasing Power Parities in the European Union (Duty stations) 0.89 Index 2026 down 83.9% 24th Nitrogen dioxide concentrations in European capital cities - monthly 26.3 Micrograms per cubic metre 2026 down 21.0% 2nd