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Toronto Air Quality Insights

Stay updated with the latest air quality information for Toronto. Explore historical trends and health guidelines to stay safe.

Real-time air quality index for Toronto.

Analyze past air quality data to understand trends.

Learn how different AQI levels impact your health.

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Frequently Asked Questions

AQI stands for Air Quality Index, a measure used to communicate how polluted the air currently is or how polluted it is forecast to become.

The AQI is updated hourly to provide the most current information.

Follow health guidelines provided on our site to minimize exposure and protect your health.

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Comprehensive table of AQI levels and associated health guidelines.

AQI Level	Health Implications	Cautionary Statement
0-50 Good	Air quality is considered satisfactory, and air pollution poses little or no risk.
51-100 Moderate	Air quality is acceptable; however, some pollutants may pose a moderate health concern for a very small number of people.
101-150 Unhealthy for Sensitive Groups	Members of sensitive groups may experience health effects. The general public is not likely to be affected.

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