Site (type) | Mean ± sd (μg∙m−3) | Minimum (μg∙m−3) | Maximum (μg∙m−3) | Median (μg∙m−3) | Number of measures | Measurement duration | Percentage of 1-hour concentrations higher than recommended limit | ||
USPEA | WHO | BFA | |||||||
E7: ONATEL SUD (Administrative) | 545.1 ± 71.3 55.2 ± 5.1 223.7 ± 10.5 | 95.9 10 27.8 | 3676.9 244.2 2787.2 | 426.7 49.2 171.5 | 517 606 4276 | 12 h 12 h 4 days | 95.9 1.0 57.2 | 100 49.5 96.8 | 88.4 0.2 23.2 |
F4-5: MEEVCC (Administrative) | 435.6 ± 102.4 163.4 ± 18.9 nd | 104.8 48.6 nd | 13,484 2260.5 nd | 293 140.85 nd | 744 748 nd | 12 h 12 h nd | 91.8 44.1 nd | 100 99.9 nd | 74.3 21.3 nd |
UJKZ: Université Joseph KI-ZERBO (Administrative) | nd nd 211.1 ± 16.8 | nd nd 16.6 | nd nd 2337.9 | nd nd 129.2 | nd nd 3121 | 12 h 12 h 2 days | nd nd 43.9 | nd nd 86.4 | nd nd 21.3 |
AB: SONABEL Bassawarga (roadside) | 859.5 ± 97.2 127.6 ± 16.3 104.3 ± 8.7 | 155.2 23.1 1 | 4433.4 754.4 6097.2 | 753.9 99.55 39.6 | 516 568 6214 | 12 h 12 h 5 days | 100 24.8 24.8 | 100 88.0 47.1 | 98.6 14.4 7.9 |
PK: Pont Kadiogo (roadside) | 613.5 ± 102.1 143.7 ± 16.4 nd | 259.9 28.1 nd | 3433.6 565.6 nd | 445.9 113.6 nd | 484 543 nd | 12 h 12 h nd | 100 36.1 nd | 100 89.0 Nd | 99.8 17.5 nd |
RPNU: United Nation roundabout (roadside) | 1311.3 ± 69.1 231.7 ± 17.0 nd | 711.6 74.2 nd | 2553.8 710 nd | 1148.8 207.55 nd | 499 476 nd | 12 h 12 h nd | 100 84.5 nd | 100 100 Nd | 100 21.2 nd |
BCDG: Bd.Charles De Gaulle (roadside) | 487.3 ± 57.3 60.9 ± 7.6 188.2 ± 24.3 | 120.9 11.8 24.9 | 2242.8 420 17,811.4 | 377.8 50.3 115.9 | 491 437 4565 | 12 h 12 h 3 days | 98.9 3.9 40.8 | 100 50.8 85.5 | 83.5 0.7 15.7 |
C3: Complexe scolaire Notre dame de l’espérance (scholar) | 671.3 ± 83.2 103.7 ± 7.2 41.1 ± 1.5 | 196.6 29.9 1.2 | 6357.6 523.8 873.5 | 477.6 95.8 24.4 | 766 964 3,863 | 12 h 12 h 3 days | 100 13.5 4.9 | 100 85.6 22.5 | 98.4 4.6 0.8 |
H6: Complexe scolaire Bon BERGER (scholar) | 1278.8 ± 220 100.6 ± 5.8 12.8 ± 1.0 | 179.8 25.3 05 | 10,200.5 276.1 305.6 | 648.3 91.3 8.3 | 715 758 3160 | 12 h 12 h 2 days | 100 10.0 0.1 | 100 96.2 1.4 | 97.3 2.0 0.0 |