Table 3 Mean HOI and PON-1 activity

Filtered air

Before

1.13 ± 0.14

0.81 ± 0.07

1 h after

1.05 ± 0.13

0.79 ± 0.08

20 h after

1.12 ± 0.18

0.72 ± 0.07

PM_2.5

Before

1.04 ± 0.15

0.77 ± 0.07

1 h after

1.23 ± 0.17

0.81 ± 0.07

20 h after

1.23 ± 0.20

0.76 ± 0.07

Ozone

Before

1.15 ± 0.16

0.76 ± 0.07

1 h after

1.05 ± 0.14

0.81 ± 0.09

20 h after

1.07 ± 0.18

0.78 ± 0.08

PM_2.5 + ozone

Before

1.15 ± 016

0.78 ± 0.07

1 h after

1.13 ± 0.14

0.83 ± 0.09

20 h after

1.21 ± 0.18

0.82 ± 0.09