RSQAQ - Continuous Data 4 Min

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.

Organization: Government and Municipalities of Québec | Gouvernement et municipalités du Québec

Last modified: 2026-04-17T15:48:17.054061