abstract: 1 WHO recommendations fix average annual limit for PM 2.5 particles amounting to 10 μg/m 3 .p < 0.05; r = -0.35;R 2 = 0.123).As per cluster analysis results, all the RF regions were distributed into 3 clusters, each having its peculiarities related to a sanitaryepidemiologic situation there.The 1 st cluster included 24 regions; the 2 nd , 50 regions; the 3 rd , 11 regions (Figure 1).The 1st cluster includes 24 RF regions, namely Belgorod, Bryansk, Vladimir, Ivanovo, Kaluga, Kostroma, Smolensk, T
journal: Health Risk Analysis