Saint-Hyacinthe sits at City Score rank #166 with a standing of 50%, from 5 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. Dropping 33 places versus 2022 (#133 → #166).
Latest owned placements: indoor radon rank #212 of 327 at 92 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, Saint-Hyacinthe carries a City Score standing of 50% (rank #166 of 343) with 5 of 8 pillars observed. That sits 3 points above the Quebec peer average across 34 ranked cities. Within Quebec, Saint-Hyacinthe ranks #11 of 34 on City Score.
The strongest signal in the current chart is drinking-water hardness (standing 90%, rank #309 of 343, raw score 94). The weakest observed pillar is seismic hazard (standing 17%, rank #60 of 343).
Drinking-water hardness on the water atlas reads 94 mg/L as CaCO₃ for Saint-Hyacinthe. Compare that figure to the hardness pillar on the chart and to the national hardness guide on the hub.