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Air Quality Index

The Air Quality Index is a system developed to provide the public with a meaningful measure of outdoor air quality.

The Air Quality Index is based on outdoor concentrations of carbon monoxide, dust and smoke, nitrogen dioxide, ozone and sulphur dioxide. These pollutants are monitored continuously by Alberta Environment and is calculated hourly for Calgary and Edmonton.

Where can I find air quality information?

See Alberta's current air quality at Alberta Environment's Air Quality Index Map.

View historical air quality data at The Clean Air Strategic Alliance.