AQI等级 | 降雪等级 | SO2 | NO2 | CO | O3 | PM10 | PM2.5 |
优 | 小雪 | 179 | 256 | 209 | 101 | 87 | 89 |
中 | 41 | 67 | 58 | 33 | 21 | 16 | |
大 | 24 | 31 | 28 | 4 | 7 | 10 | |
暴 | 12 | 17 | 20 | 10 | 7 | 7 | |
良 | 小雪 | 0 | 4 | 0 | 0 | 121 | 79 |
中 | 4 | 0 | 0 | 0 | 52 | 36 | |
大 | 0 | 0 | 0 | 0 | 21 | 8 | |
暴 | 0 | 0 | 0 | 0 | 6 | 1 | |
轻度污染 | 小雪 | 0 | 0 | 0 | 0 | 32 | 24 |
中 | 0 | 0 | 0 | 0 | 0 | 1 | |
大 | 0 | 0 | 0 | 0 | 3 | 7 | |
暴 | 0 | 0 | 0 | 0 | 0 | 0 | |
中度污染 | 小雪 | 0 | 0 | 0 | 0 | 6 | 17 |
中 | 0 | 0 | 0 | 0 | 0 | 0 | |
大 | 0 | 0 | 0 | 0 | 0 | 1 | |
暴 | 0 | 0 | 0 | 0 | 0 | 0 | |
重度污染 | 小雪 | 0 | 0 | 0 | 0 | 0 | 16 |
中 | 0 | 0 | 0 | 0 | 0 | 0 | |
大 | 0 | 0 | 0 | 0 | 0 | 2 | |
暴 | 0 | 0 | 0 | 0 | 0 | 0 | |
严重污染 | 小雪 | 0 | 0 | 0 | 0 | 0 | 0 |
中 | 0 | 0 | 0 | 0 | 0 | 0 | |
大 | 0 | 0 | 0 | 0 | 0 | 0 | |
暴 | 0 | 0 | 0 | 0 | 0 | 0 |