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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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Scatter plots showing the day₀ (i.e., today) agreement between observed and forecast values for (A) fine particulate matter (PM_2.5) and (B) inhaler dispensation counts for each of the 16 Health Service Delivery Areas (HSDAs). The points are color coded to group HSDAs by health region, and each plot shows a dashed 1:1 line for reference. For (B), differences in population sizes between the HSDAs are made evident by differences in the range of inhaler dispensations counts. Bi- or tri-modal distributions in the larger HSDAs are due to differences between weekdays and weekends, when many pharmacies are closed.