Guide

Quebec air quality: real-time AQI and monitoring stations

Browse RSQAQ stations and request the air-quality index directly from official Quebec and Montreal feeds without waiting for Atlas to republish live measurements.

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Current AQI

RSQAQ stations

Note: real-time readings are preliminary and unvalidated. The provincial RSQAQ feed excludes the island of Montreal, so Atlas queries Montreal's official hourly feed separately.

Official sources: RSQAQ real-time AQI · RSQAQ stations · Montreal real-time AQI.

Version française →

Sources: MELCCFP / RSQAQ and Ville de Montréal / RSQA.

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