Praha 9: nature and quiet

Praha 9: parks and greenery, noise by day and night, air, summer heat, radon, floods and tap water.

Greenery, noise and air

Greenery, noise and air – Praha 9
Photo: ŠJů, CC BY-SA 3.0
19 %
of the area is parks and forests
About average Prague 18 %
32 %
of addresses have over 60 dB by day
Noisier than average Prague 25 %
18. greenest of 57 districts → 51. quietest of 57 districts →
Details
36
m² of parks and forests per resident · Prague 62 m²
44 %
of the area is green, gardens included
About average Prague 46 %
44 %
of addresses have over 50 dB at night
Noisier than average Prague 33 %

We take the noise at the loudest point within 20 m of the address, usually the street-facing façade. The legal limit for road noise is 55 dB by day and 45 dB at night, 60 and 50 dB along main roads.

0.3 % of addresses in an unprotected flood zone (Prague 1.0 %).
Which neighbourhoods floods threaten most →
Air: NO₂ 20.1 µg/m³, PM2.5 12.9 µg/m³ (usual in the city NO₂ 18.2) · usual for the city. Average of 2020–2024.
Where the air is cleanest →
In summer the surface here is 1.2 °C warmer than the city average. Surface temperature from Landsat satellite images, summers 2024–2025.
Which neighbourhoods stay coolest in summer →
Trees and shrubs cover 21 % of the area, sealed surfaces 57 %. Copernicus satellite land-cover map, 2021.
Where the trees are →
Bedrock radon index: mostly medium (city-wide high at 2 %). A measurement decides for a specific plot.
Which neighbourhoods have the lowest radon →
74 addresses (2.1 %) on undermined land (Prosek - Libeň, Prosek-Krocínka, Vysočany - Klíčov) (city-wide 0.1 %). Old mine tunnels and landslides can damage a house; for a specific plot, ask the building office.

Frequently asked questions

How noisy is living in Praha 9?

32 % of addresses have daytime traffic noise above 60 dB (strategic noise map). The median of the city’s districts is 20 %.

How much greenery is there in Praha 9?

Parks and forests cover 19 % of the area. The median of the city’s districts is 15 %.

Is Praha 9 in a flood zone?

0.3 % of the addresses in Praha 9 lie in an unprotected 100-year flood zone. City-wide it is 1.0 % of addresses.

What is the radon index in Praha 9?

By the Czech Geological Survey map, the bedrock under Praha 9 has a mostly medium radon index; no address has a high one (city-wide 1.9 % of addresses). A measurement decides for a given house.

Is Praha 9 undermined or on a landslide?

74 addresses lie on undermined land, with old mine tunnels below the surface: 2.1 % (Prosek - Libeň, Prosek-Krocínka, Vysočany - Klíčov); city-wide it is 0.1 % of addresses. No address lies on a slope deformation (city-wide < 0.1 % of addresses). The figure holds for the area; for a specific house, ask the building office before you buy.

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