Table 1– Concentrations of air pollutants calculated by STREET 5 according to the communities in the French Six Cities Study
Air pollutants μg·m−3Bordeaux#Clermont-FerrandCréteil+Marseille§Reims+Strasbourgƒ
Benzene***2.4 (1.0–4.4)2.3 (1.5–4.1)2.3 (1.7–3.6)3.3 (2.2–5.1)1.5 (1.3–2.0)2.5 (1.6–4.3)
VOC***20.6 (0.4–62.0)18.2 (0.5–53.4)19.0 (0.7–55.1)30.1 (0.5–73.5)3.8 (0.5–15.6)12.3 (0.9–46.2)
CO***521.8 (303.8–873.8)560.2 (424.1–872.4)619.0 (504.7–870.6)637.5 (433.5–988.1)381.4 (304.5–509.9)584.6 (407.5–893.8)
NO2***37.0 (17.8–59.3)44.7 (29.3–63.0)56.6 (51.6–78.9)50.6 (40.5–62.6)30.5 (22.6–40.0)42.8 (34.8–58.6)
NOx***69.6 (23.3–148.0)79.0 (44.1–144.3)108.6 (70.6–195.2)88.1 (44.6–138.5)51.6 (40.8–73.6)75.8 (43.5–138.2)
PM10***26.4 (10.0–40.0)25.4 (13.0–39.0)30.3 (23.0–52.0)33.3 (27.0–41.0)19.7 (18.0–24.0)24.9 (20.0–35.0)
SO2***8.5 (5.0–11.2)4.8 (2.4–6.9)8.8 (7.7–11.1)13.2 (10.7–16.4)4.1 (3.1–6.7)10.6 (7.4–14.8)
  • Data are presented as mean concentrations among the n schools of the community (minimum of the concentrations of the n schools of the community-maximum of the concentrations of the n schools of the community). VOC: volatile organic compound; NOx: nitrogen oxides; PM10: particles with a 50% cut-off aerodynamic diameter of 10 μm. #: 16 schools; : 18 schools; +: 21 schools; §: 17 schools; ƒ: 15 schools. ***: p<0.001 ANOVA (Fischer test).