Skip to main content

Table 2 Mean Exposures for all trimesters by pollutant, Nova Scotia, 1988 – 2000

From: The association between low level exposures to ambient air pollution and term low birth weight: a retrospective cohort study

Pollutant (24 hour average) Mean 25% 50% 75% MAX
Ozone (ppb) 21 17 20 24 43
Sulfur Dioxide (ppb) 10 7 10 14 38
PM10 (μg/m3) 17 14 16 19 53