Slezská Ostrava: nature and quiet

Slezská Ostrava: parks and greenery, noise by day and night, air, summer heat, radon, floods and tap water.

Frequently asked questions

What is the radon index in Slezská Ostrava?

By the Czech Geological Survey map, the bedrock under Slezská Ostrava has a mostly low radon index; no address has a high one (city-wide 0 % of addresses). A measurement decides for a given house.

Is Slezská Ostrava undermined or on a landslide?

4,999 addresses lie on undermined land, with old mine tunnels below the surface: 93 % (Slezská Ostrava III, Michálkovice, Slezská Ostrava I); city-wide it is 48 % of addresses. No address lies on a slope deformation (city-wide 0.7 % of addresses). The figure holds for the area; for a specific house, ask the building office before you buy.

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Data updated 11 Nov 2026