<p>Abstract</p><p>Fine particulate matter (PM2.5) is among the air pollutants that pose health risks to humans, with levels &amp;gt;15 µg/m3 being associated with serious health effects.&nbsp;</p><p>Kindly take note and address all such comments as &amp;gt;15 µg/m3&nbsp;, what exactly does it mean?&nbsp;</p><p>Methods</p><p>What are the reference for the PM2.5 concentrations and how exactly were the averages calculated</p><p>&nbsp;</p>