Figure 2From: Dietary intake, lung function and airway inflammation in Mexico City school children exposed to air pollutants Interaction between fruits and vegetables index and ozone levels (Q1-Q4) for IL8, FEV 1 and FVC. Q1 = ≤ 25 ppb, max 8-h moving average Q4 = ≥ 38 ppb, max 8-h moving average.Back to article page