Obřany: nature and quiet

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

Parks and greenery

40 %
of the area is parks and forests
Greener than average Brno 31 %
49 %
of addresses have all-day noise over 60 dB (Lden)
About average Brno 53 %

Events this week in Obřany

All events this week
Details
72 m
typical walk to a park or forest
Parks closer than average Brno 160 m
63 %
of the area is green, gardens included
Greener than average Brno 45 %

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.

1.8 % of addresses within the 100-year flood extent (Brno 8.1 %).
15. most at risk of floods of 36 neighbourhoods →
Air: NO₂ 14.4 µg/m³, PM2.5 12 µg/m³ (usual in the city NO₂ 19) · cleaner than usual in the city. Average of 2020–2024.
4. cleanest air of 36 neighbourhoods →
In summer the surface here is 3.2 °C cooler than the city average. Surface temperature from Landsat satellite images, summers 2024–2025.
Which neighbourhoods stay coolest in summer →
Trees and shrubs cover 53 % of the area, sealed surfaces 10 %. Copernicus satellite land-cover map, 2021.
7. most trees of 36 neighbourhoods →
Bedrock radon index: mostly low. A measurement decides for a specific plot.
19. lowest radon of 36 neighbourhoods →
55 addresses (4.7 %) on a slope deformation (city-wide 3.2 %). Old mine tunnels and landslides can damage a house; for a specific plot, ask the building office.
27. most stable ground of 36 neighbourhoods →

Frequently asked questions

Is there traffic noise in Obřany?

49 % of addresses have all-day traffic noise above 60 dB (2022 strategic noise map, Lden). The median of Brno’s neighbourhoods is 56 %.

How far is a park or forest from Obřany?

Half of the addresses have a park or forest within 72 m. The median of the city’s neighbourhoods is 157 m.

Is Obřany in a flood zone?

1.8 % of the addresses in Obřany lie within the 100-year flood (VÚV TGM map). In Brno it is 8.1 % of addresses.

What is the radon index in Obřany?

By the Czech Geological Survey map, the bedrock under Obřany 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 Obřany undermined or on a landslide?

No address lies on undermined land (city-wide < 0.1 % of addresses). 55 addresses lie on a slope deformation (landslide): 4.7 % (city-wide 3.2 %). The figure holds for the area; for a specific house, ask the building office before you buy.

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