Figure 4. Comparison of NO2 daily concentration with NAAQS

From

Air Quality Assessment in Abattoir Facility, Obinze, Owerri West, Imo State, Nigeria

Ebe T. E., Udensi J. U., Ojiaku A., Ejiogu C. C., Nwachukwu J I., Egbuawa O. I., Osondu I.M., Alozie C. P., Osondu I. M., Iroegbu D. C.

American Journal of Environmental Protection. 2023, 11(2), 49-55 doi:10.12691/env-11-2-3