城市 | 项目 | 各级空气质量所占天数/d | 良好率/% | |||||
优 | 良 | 轻度污染 | 中度污染 | 重度污染 | 严重污染 | |||
成都 | 2014 | 14 | 204 | 75 | 29 | 29 | 6 | 61.06 |
2015 | 25 | 186 | 108 | 21 | 21 | 1 | 58.29 | |
2016 | 27 | 187 | 104 | 35 | 13 | 0 | 58.47 | |
平均值 | 22 | 192 | 96 | 28 | 21 | 2 | 59.27 | |
德阳 | 2014 | 80 | 185 | 52 | 25 | 22 | 1 | 72.60 |
2015 | 63 | 197 | 67 | 22 | 7 | 0 | 73.03 | |
2016 | 66 | 182 | 88 | 27 | 3 | 0 | 67.76 | |
平均值 | 70 | 188 | 69 | 25 | 11 | 0 | 71.13 | |
绵阳 | 2014 | 81 | 189 | 67 | 19 | 9 | 0 | 73.97 |
2015 | 96 | 206 | 47 | 10 | 4 | 0 | 83.20 | |
2016 | 88 | 191 | 65 | 19 | 3 | 0 | 76.23 | |
平均值 | 88 | 195 | 60 | 16 | 5 | 0 | 77.80 | |
眉山 | 2015 | 39 | 190 | 96 | 24 | 14 | 0 | 63.09 |
2016 | 31 | 216 | 95 | 19 | 5 | 0 | 67.49 | |
平均值 | 35 | 203 | 96 | 22 | 10 | 0 | 65.29 | |
资阳 | 2015 | 65 | 218 | 63 | 13 | 1 | 0 | 78.61 |
2016 | 49 | 220 | 87 | 6 | 3 | 1 | 73.50 | |
平均值 | 57 | 219 | 75 | 10 | 2 | 1 | 76.05 | |
总平均值 | 56 | 198 | 78 | 21 | 10 | 1 | 69.79 |