Praha 4: nature and quiet

Praha 4: 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 4
Photo: Aktron, CC BY 3.0
21 %
of the area is parks and forests
Greener than average Prague 18 %
28 %
of addresses have over 60 dB by day
About average Prague 25 %
15. greenest of 57 districts → 44. quietest of 57 districts →
Details
37
m² of parks and forests per resident · Prague 62 m²
50 %
of the area is green, gardens included
About average Prague 46 %
39 %
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 %), another 0.8 % protected by flood defences.
Which neighbourhoods floods threaten most →
Air: NO₂ 20.8 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 1.1 °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 22 % of the area, sealed surfaces 63 %. Copernicus satellite land-cover map, 2021.
Where the trees are →
Bedrock radon index: mostly medium, high at 5 % of addresses (city-wide high at 2 %). A measurement decides for a specific plot.
Which neighbourhoods have the lowest radon →
No address on undermined land or on a slope deformation.

Frequently asked questions

How noisy is living in Praha 4?

28 % 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 4?

Parks and forests cover 21 % of the area. The median of the city’s districts is 15 %.

Is Praha 4 in a flood zone?

0.3 % of the addresses in Praha 4 lie in an unprotected 100-year flood zone. City-wide it is 1.0 % of addresses. Another 0.8 % lie in an area protected by flood barriers.

What is the radon index in Praha 4?

By the Czech Geological Survey map, the bedrock under Praha 4 has a mostly medium radon index, high for 5.0 % of addresses (city-wide 1.9 %). A measurement decides for a given house.

← Back to the overview: Praha 4

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