Trois-Rivieres sits at City Score rank #45 with a standing of 58%, from 6 of 8 open-data pillars (tax, construction, connectivity, indoor air, water, seismic hazard, growth, safety). Missing pillars score at median standing so thin coverage cannot inflate the rank. Rising 14 places versus 2022 (#59 → #45).
Latest owned placements: indoor radon rank #299 of 327 at 45 Bq/m³ survey mean. Full tables and method notes live on each study edition; atlas readings for the same slug open from the topic buttons.
Among Canadian cities on the hub, Trois-Rivieres carries a City Score standing of 58% (rank #45 of 343) with 6 of 8 pillars observed. That sits 11 points above the Quebec peer average across 34 ranked cities. Within Quebec, Trois-Rivieres ranks #2 of 34 on City Score.
The strongest signal in the current chart is indoor radon (standing 91%, rank #299 of 327, raw score 45.1). The weakest observed pillar is seismic hazard (standing 18%, rank #61 of 343). Crime severity uses the Statistics Canada police-service CSI mapped to Trois-Rivières, Quebec (table 35100026), not a regional proxy.
Drinking-water hardness on the water atlas reads 216 mg/L as CaCO₃ for Trois-Rivieres. Compare that figure to the hardness pillar on the chart and to the national hardness guide on the hub.