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. 2021 Mar 12;9:499309. doi: 10.3389/fpubh.2021.499309

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Copyright © 2021 Henderson, Morrison, McLean, Ding, Yao, Shaddick and Buckeridge.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The index of agreement (IOA) was used to compare daily blended forecasts for fine particulate matter (PM_2.5) concentrations and salbutamol sulfate (i.e., Ventolin®) inhaler dispensations. Values are shown for the forecasts made for today (day₀, top) and tomorrow (day₊₁, bottom).