Analysis catalogue

Physical condition of 1,932 Montreal rental buildings inspected by the housing service between January 2024 and December 2025, rated on 6 components (foundation, envelope, projections...) on a scale of 1 to 6. [Service de l'habitation - Ville de Montréal]

Registry of 23,305 contracts awarded to private suppliers by the City of Laval from 2012 to 2021: 3.25 billion dollars, 2,583 suppliers, annual spending trends and sector concentration. Public entities (STL, ARTM, Hydro-Quebec) are excluded. [Données Québec - Ville de Laval]

Annual greenhouse gas emissions (in kt CO2eq) by activity sector and region for metropolitan France, across three reference years: 2016, 2018, and 2021. Source: CITEPA / ADEME. [data.gouv.fr - CITEPA / ADEME]

Available phosphorus load for land application and soil saturation by watershed zone (ZGIEBV) in Quebec. Source: MELCCFP (~2018). [MELCCFP — ArcGIS FeatureServer]

Overcrowding rates, stretcher stay duration, and ER visit trends across Quebec's 15 health regions from 2021-2022 to 2025-2026. [Ministère de la Santé et des Services sociaux (MSSS)]

Total suspended solids (TSS) discharged by Quebec's major industrial sectors (pulp & paper, mining, metals, petrochemistry) from 2006 to 2023 — tracking the dramatic improvement in industrial water treatment. [Données Québec — MELCCFP (Programme de réduction des rejets industriels)]

Total volume of industrial effluents discharged into Quebec waterways by sector from 2006 to 2023 — showing which sectors discharge the most water and how volumes have evolved over time. [Données Québec — MELCCFP (Programme de réduction des rejets industriels)]

Inventory of 67,887 non-market social and affordable housing units (HLM, non-profits, cooperatives, SHDM) in the Montréal agglomeration, with location, capacity, and manager type. [Service de l'habitation — Ville de Montréal]

Total sewage overflow events from municipal sewer systems across Quebec by region (2017-2023). Overflows discharge untreated wastewater directly into rivers and waterways. [Données Québec — MELCCFP]

Total volume of wastewater treated by Quebec's municipal treatment stations by region (2017-2023). A measure of the hydraulic load on the province's treatment infrastructure. [Données Québec — MELCCFP]

Total phosphorus discharged by Quebec's municipal wastewater treatment stations by region (2017-2023). Phosphorus is a key driver of algal blooms and lake eutrophication. [Données Québec — MELCCFP]

Total suspended solids (MES) discharged by Quebec's municipal wastewater treatment stations by region (2017-2023). Suspended solids increase water turbidity and harm aquatic ecosystems. [Données Québec — MELCCFP]

Total biochemical oxygen demand (DBO5C) discharged by Quebec's municipal wastewater treatment stations by region (2017-2023). High BOD depletes dissolved oxygen in rivers, threatening aquatic life. [Données Québec — MELCCFP]

Average regulatory compliance rate of Quebec's 874 municipal wastewater treatment stations by region (2017-2023). Stations must meet an 80% threshold — see which regions fall short. [Données Québec — MELCCFP]

Analysis of 112 million cycling passages recorded by Montréal's automated counter network (2019-2025), revealing seasonal patterns, busiest corridors, and the lasting impact of the city's COVID cycling infrastructure. [Données Montréal — Ville de Montréal]

Tracking greenhouse gas emissions from industrial establishments covered by Quebec's cap-and-trade system (RSPEDE) from 2013 to 2024. [Données Québec — RSPEDE]

Analysis of 1.7 million police-reported road accidents across Quebec from 2011 to 2022, revealing seasonal patterns, regional hotspots, and a significant decline in serious accidents over the decade. [Données Québec — SAAQ]