The dataset appears in Table 1.3 of Applied Multivariate Statistical Analysis (4th ed.) by Johnson, R.A. and Wichern, D.W. (1998), published by Prentice Hall.
Solar Wind Radiation CO NO NO2 O3 HC 8 98 7 2 12 8 2 7 107 4 3 9 5 3 7 103 4 3 5 6 3 10 88 5 2 8 15 4 6 91 4 2 8 10 3 8 90 5 2 12 12 4 9 84 7 4 12 15 5 5 72 6 4 21 14 4 7 82 5 1 11 11 3 8 64 5 2 13 9 4 6 71 5 4 10 3 3 6 91 4 2 12 7 3 7 72 7 4 18 10 3 10 70 4 2 11 7 3 10 72 4 1 8 10 3 9 77 4 1 9 10 3 8 76 4 1 7 7 3 8 71 5 3 16 4 4 9 67 4 2 13 2 3 9 69 3 3 9 5 3 10 62 5 3 14 4 4 9 88 4 2 7 6 3 8 80 4 2 13 11 4 5 30 3 3 5 2 3 6 83 5 1 10 23 4 8 84 3 2 7 6 3 6 78 4 2 11 11 3 8 79 2 1 7 10 3 6 62 4 3 9 8 3 10 37 3 1 7 2 3 8 71 4 1 10 7 3 7 52 4 1 12 8 4 5 48 6 5 8 4 3 6 75 4 1 10 24 3 10 35 4 1 6 9 2 8 85 4 1 9 10 2 5 86 3 1 6 12 2 5 86 7 2 13 18 2 7 79 7 4 9 25 3 7 79 5 2 8 6 2 6 68 6 2 11 14 3 8 40 4 3 6 5 2