Water hardness in Danish municipalities
- 1 municipality
- Radon: 45%–60%
- Protected areas: 10-20 km²
- Nature area: 100-200 km²
- Insect species: Over 2.000
- House prices: Under 8.000 kr.
- (-) House prices: Under 8.000 kr.
- (-) Insect species: Over 2.000
- (-) Nature area: 100-200 km²
- (-) Protected areas: 10-20 km²
- (-) Radon: 45%–60%