Slezská Ostrava: nature and quiet

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

Parks and greenery

45 %
of the area is parks and forests
Greener than average Ostrava 22 %
57 %
of addresses have all-day noise over 60 dB (Lden)
About average Ostrava 65 %
9. quietest of 17 neighbourhoods →

Parks and forests in Slezská Ostrava

Details
68 m
typical walk to a park or forest
Parks closer than average Ostrava 163 m
45 %
of the area is green, gardens included
Greener than average Ostrava 22 %
61 %
of addresses have over 50 dB at night
About average Ostrava 71 %

Parks, forests and all greenery (plus gardens, meadows, orchards, vineyards, allotments, cemeteries) are counted from the neighbourhood’s area, the distance to a park (from 0.2 ha) or forest (from 1 ha) as the crow flies as the median over the neighbourhood’s addresses.

Air: NO₂ 15.4 µg/m³, PM2.5 17.6 µg/m³ (usual in the city NO₂ 15.1) · usual for the city. Average of 2020–2024.
Where the air is cleanest →
In summer the surface here is 1.2 °C cooler than the city average. Surface temperature from Landsat satellite images, summers 2024–2025.
8. coolest in summer of 24 neighbourhoods →
Trees and shrubs cover 48 % of the area, sealed surfaces 22 %. Copernicus satellite land-cover map, 2021.
2. most trees of 24 neighbourhoods →
Bedrock radon index: mostly medium. A measurement decides for a specific plot.
23. lowest radon of 24 neighbourhoods →
Water in the city: supply + sewage 111.11 CZK/m³ incl. VAT (2025) (+1.5 % on 2024)
Where water is cheapest: towns compared →
1,623 addresses (100.0 %) on undermined land (Slezská Ostrava III, Michálkovice, Slezská Ostrava I) (city-wide 48.1 %). Old mine tunnels and landslides can damage a house; for a specific plot, ask the building office.
Which neighbourhoods have the most stable ground →

Frequently asked questions

Is there traffic noise in Slezská Ostrava?

57 % of addresses have all-day traffic noise above 60 dB (2022 strategic noise map, Lden). The median of Ostrava’s neighbourhoods is 59 %.

How far is a park or forest from Slezská Ostrava?

Half of the addresses have a park or forest within 68 m. The median of the city’s neighbourhoods is 162 m.

What is the radon index in Slezská Ostrava?

By the Czech Geological Survey map, the bedrock under Slezská Ostrava has a mostly medium 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?

1,623 addresses lie on undermined land, with old mine tunnels below the surface: 100 % (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.

← Back to the overview of Slezská Ostrava

Live or work here and see a mistake? Let us know
Who are you?
Please write at least a few words (2,000 characters at most).

We’ll use the e-mail only to ask back and delete it once the report is resolved. Privacy policy

Data updated 10 Nov 2026