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Table 1 Size distribution of CAPs during 8-h exposure periods (MOIs measurements)

From: Divergent effects of urban particulate air pollution on allergic airway responses in experimental asthma: a comparison of field exposure studies

Particle size (μm) Detroit (%) Grand Rapids (%)
2. < 5 8.3 3.0
1.0 < 2.5 19.1 21.2
0.6 < 1.0 58.4 69.4
0.18 < 0.6 10.9 5.6
< 0.18 1.6 0.4