Figure 2
From: Short and long term exposure to air pollution increases the risk of ischemic heart disease

The odds ratios (95% confidence interval) of SO2 (0.01 ppm) for 3 days, 5 days, 10 days, 15 days, 30 days, 60 days, 90 days, 180 days, 270 days, 365 days, and 540 days for ischemic heart disease.