Table 3 Correlation between air pollutants, Sydney, April 1997–December 2000
From: Impact of ambient air pollution on gestational age is modified by season in Sydney, Australia
PM10 | PM2.5 | O3 | NO2 | CO | SO2 | |
|---|---|---|---|---|---|---|
PM10 (μg/m3) 24 hour average | 1.00 | |||||
PM2.5 (μg/m3) 24 hour average | 0.831 | 1.00 | ||||
O3 (ppb2) 1 hour maximum | 0.50 | 0.34 | 1.00 | |||
NO2 (ppb) 1 hour maximum | 0.48 | 0.65 | 0.25 | 1.00 | ||
CO (ppm3) 8 hour | 0.28 | 0.53 | -0.21 | 0.60 | 1.00 | |
SO2 (ppb) 1 hour maximum | 0.42 | 0.43 | 0.36 | 0.46 | 0.24 | 1.00 |