Air Quality Index: Case of One-Day Monitoring of 253 Urban and Suburban Towns in Nigeria

Government departments use the air quality index (AQI) to inform public about how unhealthy is now or may become in future. As AQI increases, so do health threats. In addition reporting daily quality, it also a measure of pollution impacts one’s over limited period time. The was created assist people understanding local affects their health. Therefore, aim this study assess one day 253 towns Nigeria, thereby determining threat these towns. data were collected from Tutiempo Network’s regular dataset by Environmental Protection Agency (EPA). Data on all major pollutants (O3, PM2.5, PM10, CO, NO, SO2) and statistical analysis performed. Kura (Kano State), town northern recorded highest level 184, while Idiroko, border (Nigeria–Benin Republic) Ogun State, had lowest value 41. portrayed as unhealthy, Idiroko healthy, implying that poses little no danger, showed certain general public, well members sensitive groups, could encounter more severe effects.