How much can one little letter do to help improve air quality? In week 2 of our six-week Project Smog series, Jesse McLean asks just that. He looks at the AQHI (Air Quality Health Index), a new index that has replaced the AQI (Air Quality Index) in parts of B.C. and Toronto. What’s different? From the story:
Where the existing system reflects a region’s air quality in relation to provincial standards, AQHI will rate air quality based on its risk to human health–and that might make all the difference.
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