Classement · Best environmental quality · Cities over 100 000 inhabitants

Best environmental quality

Compliant drinking water, far from nuclear plants, low radon, low seismic risk, balanced soils, no major hazard Open data: INSEE, DGCL, Qualité-eau.fr, ADEME, French Ministry of Interior, IGN

Saint-Denis Wikipedia #1

Saint-Denis

974 / 156 149 inh.
87.8 / 100
NO₂
8 µg/m³
PM2.5
4 µg/m³
Water nitrates
0.0 mg/L
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Besançon Wikipedia #2

Besançon

25 / 120 057 inh.
80.2 / 100
NO₂
14 µg/m³
PM2.5
8 µg/m³
Water nitrates
4.4 mg/L
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Amiens Wikipedia #3

Amiens

80 / 134 780 inh.
75.0 / 100
NO₂
13 µg/m³
PM2.5
9 µg/m³
Water nitrates
33.5 mg/L
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Du 4e au 10e.

Sorted by score
4.
Brest 29 · 140 993 inh.
Score 73.7/100
NO₂ 19 µg/m³
PM2.5 8 µg/m³
Water nitrates 25.0 mg/L
Hot days 0 d/yr
5.
Caen 14 · 108 398 inh.
Score 72.2/100
NO₂ 21 µg/m³
PM2.5 8 µg/m³
Water nitrates 34.6 mg/L
Hot days 1 d/yr
6.
Mans 72 · 145 182 inh.
Score 70.7/100
NO₂ 10 µg/m³
PM2.5 9 µg/m³
Water nitrates 18.0 mg/L
Hot days 4 d/yr
7.
Nancy 54 · 104 387 inh.
Score 70.1/100
NO₂ 17 µg/m³
PM2.5 10 µg/m³
Water nitrates 4.1 mg/L
Hot days 4 d/yr
8.
Havre 76 · 166 462 inh.
Score 69.5/100
NO₂ 14 µg/m³
PM2.5 10 µg/m³
Water nitrates 37.2 mg/L
Hot days 1 d/yr
9.
Toulon 83 · 180 834 inh.
Score 69.5/100
NO₂ 17 µg/m³
PM2.5 8 µg/m³
Water nitrates 6.0 mg/L
Hot days 2 d/yr
10.
Dijon 21 · 159 941 inh.
Score 68.4/100
NO₂ 17 µg/m³
PM2.5 8 µg/m³
Water nitrates 9.0 mg/L
Hot days 4 d/yr
Méthodologie

How this ranking is calculated.

Full note
Weighting 30 %

Air quality

Weighting 25 %

Drinking water quality

Weighting 15 %

Heatwave exposure

Weighting 10 %

Radon level

Weighting 10 %

Pests (tiger mosquito, hornet)

Weighting 5 %

Distance from nuclear plant

Weighting 5 %

Groundwater levels