Question 1

What is the population of Harnes?

Accepted Answer

The commune of Harnes has 12,264 inhabitants per the INSEE census.

Question 2

Are there natural risks in Harnes?

Accepted Answer

Yes, Harnes is exposed to 7 natural risk(s): Affaissement minier, Effondrements localisés, Glissements ou mouvements de pente, Mouvement de terrain, Séisme, Tassements, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Harnes?

Accepted Answer

Out of 2,613 ADEME EPCs available in Harnes, the most common label is D. 3% are rated A or B.

Question 4

What is the crime rate in Harnes?

Accepted Answer

In 2025, the crime rate in Harnes was 37.6 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 Harnes?

Accepted Answer

Tap water in Harnes is compliant with quality standards. Source: ARS / Hub'eau. (377 analyses over 12 months)

Question 6

What is the air quality in Harnes?

Accepted Answer

According to LCSQA stations (5-year mean) in Harnes: PM2.5 : 8.3 µg/m³, NO₂ : 11.7 µg/m³, PM10 : 17.0 µg/m³. Source: LCSQA / Géod'air.