Table 5.
Heavy metal contents in atmospheric dust in selected parts of the study area.
| No | Heavy metal | Concentration (μg/g) | Location | References |
|---|---|---|---|---|
| 1 | Pb | 32.33 | Akure (Southwest | 69 |
| 2.90–8.73 | Kano (Northwest) | 70 | ||
| 2.34–10.17 | Ilorin (Northcentral) | 71 | ||
| 22.29–95.485 | Kaduna (Northwest) | 72 | ||
| 0.121–0.832 | Jos (Northcentral) | 73 | ||
| 2.34–20.12 | Yobe (Northeast) | 74 | ||
| 2 | Zn | 72.53 | Akure (Southwest | 69 |
| 160.5–270.13 | Kano (Northwest) | 70 | ||
| 0.696–1.712 | Jos (Northcentral) | 73 | ||
| 2.34–32.44 | Yobe (Northeast) | 74 | ||
| 3 | Fe | 75.46–224.76 | Kano (Northwest) | 70 |
| 28.6–45.40 | Ilorin (Northcentral) | 71 | ||
| 0.171–1.081 | Jos (Northcentral) | 73 | ||
| 3.45–34.23 | Yobe (Northeast) | 74 | ||
| 4 | Mn | 3.88–6.80 | Kano (Northwest) | 70 |
| Mn | 0.002–0.056 | Jos (Northcentral) | 73 | |
| Mn | 1.09–6.34 | Yobe (Northeast) | 74 | |
| 5 | Mg | 5.00–9.82 | Kano (Northwest) | 70 |
| 6 | As | 0.19–3.98 | Yobe (Northeast) | 74 |
| 7 | Ca | 104.33–202.90 | Kano (Northwest) | 70 |
| 8 | Co | 0.88–7.87 | Yobe (Northeast) | 74 |
| 9 | Cu | 2.75–189.50 | Kano (Northwest) | 70 |
| 0.19–1.99 | Ilorin (Northcentral) | 71 | ||
| 0.025–0.571 | Jos (Northcentral) | 73 | ||
| 0.225–1.280 | Kaduna (Northwest) | 72 | ||
| 1.98–10.34 | Yobe (Northeast) | 74 | ||
| 10 | Cr | 1.75–62.53 | Kano (Northwest) | 70 |
| 0.019–0.111 | Jos (Northcentral) | 73 | ||
| 16.670–31.895 | Kaduna (Northwest) | 72 | ||
| 1.23–8.22 | Yobe (Northeast) | 74 | ||
| 11 | Cd | 0.001–0.38 | Ilorin (Northcentral) | 71 |
| Cd | 0.002–0.438 | Jos (Northcentral) | 73 | |
| Cd | 0.280–1.900 | Kaduna (Northwest) | 72 | |
| Cd | 1.54–9.23 | Yobe (Northeast) | 74 | |
| 12 | Ni | 0.476–1.619 | Ilorin (Northcentral) | 71 |
| Ni | 0.021–0. 478 | Jos (Northcentral) | 73 | |
| Ni | 1.560–5.880 | Kaduna (Northwest) | 72 | |
| Ni | 4.34–14.34 | Yobe (Northeast) | 74 |