Reference Data in Chorzów 11 indicators covering reference data for Chorzów. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 35.29 Degree days 2025 down 78.0% 843rd Cooling and heating degree days - Cities and FUAs — Change in cooling -12.35 Degree days 2025 down 110.9% 747th Cooling and heating degree days - Cities and FUAs 3,113 Degree days 2025 up 31.1% 56th Cooling and heating degree days - Cities and FUAs — Change in heating 304.6 Degree days 2025 up 170.1% 20th Precipitation - Cities and FUAs — Extreme precipitation days 1.33 Days per year 2024 down 73.3% 1194th Precipitation - Cities and FUAs — Change in extreme precipitation -1 Days per year 2024 down 137.5% 1083rd Dependency ratio - Cities and FUAs 32.5 Percentage of population aged 15-64 years 2024 up 23.1% 448th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 273rd 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 19.5 Percentage of national value 2025 up 7.7% 196th Internet speed - Cities and FUAs — Uploading speed 6.3 Percentage of national value 2025 down 33.7% 589th