Reference Data in Athina 17 indicators covering reference data for Athina. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree -33.52 % change on previous year 2025 down 484.5% 575th Cooling and heating degree days - Cities and FUAs — Change in cooling -93.64 % change on previous year 2025 down 45.9% 478th Cooling and heating degree days - Cities and FUAs, annual growth rate -14.39 % change on previous year 2025 down 150.0% 908th Cooling and heating degree days - Cities and FUAs — Change in heating -37.25 % change on previous year 2025 down 147.3% 688th Cooling and heating degree days - Cities and FUAs — Cooling degree 494.8 Degree days 2025 up 0.0% 211th Cooling and heating degree days - Cities and FUAs — Change in cooling 16.93 Degree days 2025 up 0.8% 381st Cooling and heating degree days - Cities and FUAs 622.55 Degree days 2025 down 34.5% 1022nd Cooling and heating degree days - Cities and FUAs — Change in heating -385.63 Degree days 2025 down 574.9% 776th Precipitation - Cities and FUAs — Extreme precipitation days 0.1536 Days per year 2024 down 96.4% 1277th Precipitation - Cities and FUAs — Change in extreme precipitation -2.88 Days per year 2024 down 326.6% 1251st 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 0.0352 Percentage of built-up area 2022 down 21.9% 216th Internet speed - Cities and FUAs — Uploading speed 43.2 Percentage of national value 2025 up 311.4% 101st Internet speed - Cities and FUAs — Downloading speed 30.6 Percentage of national value 2025 up 37.2% 73rd Correction coefficients in the European Union (Duty stations) - index 87 Index 2025 up 8.9% 23rd Purchasing Power Parities in the European Union (Duty stations) 0.87 Index 2025 up 8.9% 27th Nitrogen dioxide concentrations in European capital cities - monthly 22.5 Micrograms per cubic metre 2026 down 40.2% 3rd