Question 1

What is the population of Lannion?

Accepted Answer

The commune of Lannion has 20,525 inhabitants per the INSEE census.

Question 2

Are there natural risks in Lannion?

Accepted Answer

Yes, Lannion is exposed to 12 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Eboulement ou chutes de pierres et de blocs, Inondation, Mouvement de terrain, Par submersion marine, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Radon, Séisme, Tassements différentiels, Tempête et grains (vent), Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Lannion?

Accepted Answer

Out of 1,854 ADEME EPCs available in Lannion, the most common label is D. 8% are rated A or B.

Question 4

What is the crime rate in Lannion?

Accepted Answer

In 2025, the crime rate in Lannion was 28.7 offences per 1,000 inhabitants (burglaries, theft, violence, vandalism). Source: SSMSI / French Ministry of the Interior.

Question 5

Is the tap water safe to drink in Lannion?

Accepted Answer

Tap water in Lannion is compliant with quality standards. Source: ARS / Hub'eau. (3524 analyses over 12 months)

Question 6

What is the air quality in Lannion?

Accepted Answer

According to LCSQA stations (5-year mean) in Lannion: PM2.5 : 7.5 µg/m³, NO₂ : 8.5 µg/m³, PM10 : 14.2 µg/m³. Source: LCSQA / Géod'air.