Original metadata (https://www.donneesquebec.ca) (French, HTML)

View metadata and access the original French HTML file: Original metadata (https://www.donneesquebec.ca).

Format

HTML

Access

file-only

Publisher-reported update

2026-09-09

4-minute concentrations of H2S and SO2 measured continuously by the Quebec Air Quality Monitoring Network (RSQAQ). If you have any questions about this data, contact the Info-Air service: infoair@environnement.gouv.qc.ca. These data exclude those measured on the island of Montreal. For detailed instructions on how to open and navigate data files to easily find accurate data, see the RSQAQ tutorial: Navigating Air Quality Data.

Access original file