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. 2010 Aug 17;2(3):143–154. doi: 10.1080/15459620590918466

TABLE III. Numbers of Particles in Different Presumed Equilibrium Diameter Ranges Emitted in 90 Coughs According to Louden and Roberts.

Diameter Range (μm) Number of Particles in 90 Coughs
1–2.9 10,879
2.9–5.8 9026
5.8–8.7 562
8.7–11.2 300
11.2–26 1650
26–55.5 5760
55.5–85 5205
85–114 2775
114–144 1785
144–173 1050
173–203 480
203–232 390
232–262 315
262–291 240
291–350 450
350–439 45
439–586 450
586–734 165
734–881 120
881–1029 30
1029–1176 60
1176–1471 150
> 1471 60

Source: Data from Loudon and Roberts, “Droplet Expulsion from the Respiratory Tract.” American Review of Respiratory Disease 95:435–442, Table 1 (1967).