| 年份 | 污染过程时间 | 持续天数 | 臭氧浓度和污染日数 | ||||
| 平均值±标准差(μg/m³) | 最高浓度(μg/m³) | 轻度污染(天) | 中度污染(天) | 重度污染(天) | |||
| 2014 | 5.17~5.19 | 3 | 179 ± 7.59 | 189 | 3 | 0 | 0 |
| 5.30~6.1 | 3 | 232 ± 12.71 | 248 | 0 | 3 | 0 | |
| 2015 | 4.15~4.17 | 3 | 189 ± 17.79 | 214 | 3 | 0 | 0 |
| 4.26~4.29 | 4 | 193 ± 8.03 | 204 | 4 | 0 | 0 | |
| 5.6~5.10 | 5 | 191 ± 12.98 | 203 | 5 | 0 | 0 | |
| 5.12~5.15 | 4 | 200 ± 31.80 | 239 | 2 | 2 | 0 | |
| 5.18~5.20 | 3 | 211 ± 17.64 | 234 | 2 | 1 | 0 | |
| 6.16~6.18 | 3 | 195 ± 16.05 | 207 | 3 | 0 | 0 | |
| 7.10~7.12 | 3 | 192 ± 4.51 | 198 | 3 | 0 | 0 | |
| 7.16~7.20 | 5 | 200 ± 13.70 | 210 | 5 | 0 | 0 | |
| 7.24~7.29 | 6 | 186 ± 6.78 | 197 | 6 | 0 | 0 | |
| 8.20~8.23 | 4 | 190 ± 23.76 | 226 | 3 | 1 | 0 | |