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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