Fig. 1: Annual variations of BC, PM2.5, BC/PM2.5, and NO2.
The median (horizontal line), mean (markers), 25th and 75th percentiles (lower and upper box), and 10th and 90th percentiles (lower and upper whiskers) are also shown.
Fig. 1: Annual variations of BC, PM2.5, BC/PM2.5, and NO2. | npj Clean Air
