Research Paper Volume 13, Issue 13 pp 17818—17829

Particulate matter exposure is highly correlated to pediatric asthma exacerbation

The correlations between PM2.5 concentration and emergency department visits (A–C) or ratio of asthmatic children to total patients in outpatient and emergency departments (D–F) in different age groups.

Figure 2. The correlations between PM2.5 concentration and emergency department visits (AC) or ratio of asthmatic children to total patients in outpatient and emergency departments (DF) in different age groups.