Figure 4. Relationship between PM2.5 and PM10 concentration

From

Seasonal Particulate Pollution in Port Harcourt Nigeria

Happy Wilson Abali, Ongoebi M. Etebu, Tambari G. Leton

Journal of Environment Pollution and Human Health. 2018, 6(1), 20-25 doi:10.12691/jephh-6-1-3