Journal of Desert Research ›› 2023, Vol. 43 ›› Issue (3): 36-46.DOI: 10.7522/j.issn.1000-694X.2022.00128
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Jiayin Zhang1(), Yunfei Guo3, Shun Xiao2(
), Tao Du1, Hao Zheng1, Huanwu Liu4, Lei Wang1, Yanxin He4
Received:
2022-08-28
Revised:
2022-10-03
Online:
2023-05-20
Published:
2023-05-31
Contact:
Shun Xiao
CLC Number:
Jiayin Zhang, Yunfei Guo, Shun Xiao, Tao Du, Hao Zheng, Huanwu Liu, Lei Wang, Yanxin He. The temporal and spatial characteristics of ambient air quality in Shaanxi[J]. Journal of Desert Research, 2023, 43(3): 36-46.
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URL: http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2022.00128
空气质量指数级别 | 一级 | 二级 | 三级 | 四级 | 五级 | 六级 |
---|---|---|---|---|---|---|
空气质量指数(AQI) | 0~50 | 51~100 | 101~150 | 151~200 | 201~300 | >300 |
空气质量类别 | 优 | 良 | 轻度污染 | 中度污染 | 重度污染 | 严重污染 |
Table 1 The AQI classification
空气质量指数级别 | 一级 | 二级 | 三级 | 四级 | 五级 | 六级 |
---|---|---|---|---|---|---|
空气质量指数(AQI) | 0~50 | 51~100 | 101~150 | 151~200 | 201~300 | >300 |
空气质量类别 | 优 | 良 | 轻度污染 | 中度污染 | 重度污染 | 严重污染 |
区域 | 安康市 | 宝鸡市 | 汉中市 | 商洛市 | 铜川市 | 渭南市 | 西安市 | 咸阳市 | 延安市 | 榆林市 |
---|---|---|---|---|---|---|---|---|---|---|
安康市 | 1 | |||||||||
宝鸡市 | 0.684 | 1 | ||||||||
汉中市 | 0.964 | 0.527 | 1 | |||||||
商洛市 | 0.670 | 0.821 | 0.515 | 1 | ||||||
铜川市 | 0.513 | 0.936 | 0.333 | 0.881 | 1 | |||||
渭南市 | 0.670 | 0.974 | 0.527 | 0.779 | 0.924 | 1 | ||||
西安市 | 0.768 | 0.979 | 0.636 | 0.846 | 0.916 | 0.979 | 1 | |||
咸阳市 | 0.815 | 0.939 | 0.706 | 0.747 | 0.833 | 0.958 | 0.976 | 1 | ||
延安市 | 0.328 | 0.882 | 0.133 | 0.791 | 0.944 | 0.825 | 0.803 | 0.684 | 1 | |
榆林市 | 0.552 | 0.842 | 0.415 | 0.876 | 0.875 | 0.773 | 0.810 | 0.682 | 0.892 | 1 |
Table 2 Correlation coefficient of AQI in different regions of Shaanxi in 2021
区域 | 安康市 | 宝鸡市 | 汉中市 | 商洛市 | 铜川市 | 渭南市 | 西安市 | 咸阳市 | 延安市 | 榆林市 |
---|---|---|---|---|---|---|---|---|---|---|
安康市 | 1 | |||||||||
宝鸡市 | 0.684 | 1 | ||||||||
汉中市 | 0.964 | 0.527 | 1 | |||||||
商洛市 | 0.670 | 0.821 | 0.515 | 1 | ||||||
铜川市 | 0.513 | 0.936 | 0.333 | 0.881 | 1 | |||||
渭南市 | 0.670 | 0.974 | 0.527 | 0.779 | 0.924 | 1 | ||||
西安市 | 0.768 | 0.979 | 0.636 | 0.846 | 0.916 | 0.979 | 1 | |||
咸阳市 | 0.815 | 0.939 | 0.706 | 0.747 | 0.833 | 0.958 | 0.976 | 1 | ||
延安市 | 0.328 | 0.882 | 0.133 | 0.791 | 0.944 | 0.825 | 0.803 | 0.684 | 1 | |
榆林市 | 0.552 | 0.842 | 0.415 | 0.876 | 0.875 | 0.773 | 0.810 | 0.682 | 0.892 | 1 |
城市 | PM10 /(μg·m-3) | PM2.5 /(μg·m-3) | SO2 /(μg·m-3) | NO2 /(μg·m-3) | CO第95百分位数/(mg·m-3) | O3~8h第90百分位数/(μg·m-3) | 达标 情况 | 超标因子 | |
---|---|---|---|---|---|---|---|---|---|
陕北 | 榆林市 | 97 | 36 | 14 | 31 | 1.4 | 149 | 有超标 | PM10,PM2.5 |
延安市 | 85 | 32 | 5 | 34 | 1.5 | 139 | 有超标 | PM10 | |
关中 | 西安市 | 96 | 43 | 8 | 40 | 1.3 | 154 | 有超标 | PM10,PM2.5 |
宝鸡市 | 69 | 33 | 9 | 22 | 1.0 | 137 | 达标 | — | |
咸阳市 | 100 | 49 | 10 | 40 | 1.3 | 161 | 有超标 | PM10,PM2.5,O3 | |
铜川市 | 79 | 38 | 10 | 28 | 1.1 | 153 | 有超标 | PM10,PM2.5 | |
渭南市 | 86 | 39 | 12 | 27 | 1.5 | 159 | 有超标 | PM10,PM2.5 | |
陕南 | 汉中市 | 44 | 27 | 8 | 18 | 1.3 | 110 | 达标 | — |
安康市 | 51 | 29 | 11 | 17 | 1.3 | 115 | 达标 | — | |
商洛市 | 48 | 25 | 11 | 20 | 1.2 | 118 | 达标 | — | |
二级标准限值 | 70 | 35 | 60 | 40 | 4 | 160 | — | — |
Table 3 The annual average concentration of pollutants and assessment results in different regions of Shaanxi in 2021
城市 | PM10 /(μg·m-3) | PM2.5 /(μg·m-3) | SO2 /(μg·m-3) | NO2 /(μg·m-3) | CO第95百分位数/(mg·m-3) | O3~8h第90百分位数/(μg·m-3) | 达标 情况 | 超标因子 | |
---|---|---|---|---|---|---|---|---|---|
陕北 | 榆林市 | 97 | 36 | 14 | 31 | 1.4 | 149 | 有超标 | PM10,PM2.5 |
延安市 | 85 | 32 | 5 | 34 | 1.5 | 139 | 有超标 | PM10 | |
关中 | 西安市 | 96 | 43 | 8 | 40 | 1.3 | 154 | 有超标 | PM10,PM2.5 |
宝鸡市 | 69 | 33 | 9 | 22 | 1.0 | 137 | 达标 | — | |
咸阳市 | 100 | 49 | 10 | 40 | 1.3 | 161 | 有超标 | PM10,PM2.5,O3 | |
铜川市 | 79 | 38 | 10 | 28 | 1.1 | 153 | 有超标 | PM10,PM2.5 | |
渭南市 | 86 | 39 | 12 | 27 | 1.5 | 159 | 有超标 | PM10,PM2.5 | |
陕南 | 汉中市 | 44 | 27 | 8 | 18 | 1.3 | 110 | 达标 | — |
安康市 | 51 | 29 | 11 | 17 | 1.3 | 115 | 达标 | — | |
商洛市 | 48 | 25 | 11 | 20 | 1.2 | 118 | 达标 | — | |
二级标准限值 | 70 | 35 | 60 | 40 | 4 | 160 | — | — |
区域 | 空气污染物 | |||||
---|---|---|---|---|---|---|
PM10 | PM2.5 | SO2 | NO2 | CO | O3 | |
榆林市 | 1.3 | -1.1 | -10.0 | -2.8 | -7.8 | 0.3 |
延安市 | 1.5 | -2.2 | -16.6 | -5.8 | -9.3 | 0.7 |
西安市 | -4.0 | -7.4 | -10.6 | -5.2 | -10.0 | -1.9 |
宝鸡市 | -8.4 | -11.0 | -14.2 | -10.8 | -14.4 | -4.7 |
咸阳市 | -4.0 | -6.8 | -10.0 | -3.7 | -8.2 | -2.5 |
铜川市 | -1.6 | -4.2 | -9.5 | -2.5 | -9.0 | 0.1 |
渭南市 | -8.3 | -10.8 | -15.7 | -11.8 | -11.2 | -3.3 |
汉中市 | -10.5 | -10.7 | -13.6 | -9.7 | -14.0 | -4.3 |
安康市 | -7.4 | -7.9 | -12.4 | -5.8 | -7.0 | -3.0 |
商洛市 | -8.3 | -9.6 | -12.9 | -9.5 | -8.6 | -3.1 |
平均值 | -5.0 | -7.2 | -12.5 | -6.8 | -9.9 | -2.2 |
Table 4 The annual variation rate of pollutant concentration in different regions of Shaanxi during 2017-2021
区域 | 空气污染物 | |||||
---|---|---|---|---|---|---|
PM10 | PM2.5 | SO2 | NO2 | CO | O3 | |
榆林市 | 1.3 | -1.1 | -10.0 | -2.8 | -7.8 | 0.3 |
延安市 | 1.5 | -2.2 | -16.6 | -5.8 | -9.3 | 0.7 |
西安市 | -4.0 | -7.4 | -10.6 | -5.2 | -10.0 | -1.9 |
宝鸡市 | -8.4 | -11.0 | -14.2 | -10.8 | -14.4 | -4.7 |
咸阳市 | -4.0 | -6.8 | -10.0 | -3.7 | -8.2 | -2.5 |
铜川市 | -1.6 | -4.2 | -9.5 | -2.5 | -9.0 | 0.1 |
渭南市 | -8.3 | -10.8 | -15.7 | -11.8 | -11.2 | -3.3 |
汉中市 | -10.5 | -10.7 | -13.6 | -9.7 | -14.0 | -4.3 |
安康市 | -7.4 | -7.9 | -12.4 | -5.8 | -7.0 | -3.0 |
商洛市 | -8.3 | -9.6 | -12.9 | -9.5 | -8.6 | -3.1 |
平均值 | -5.0 | -7.2 | -12.5 | -6.8 | -9.9 | -2.2 |
季节 | 2017年 | 2018年 | 2019年 | 2020年 | 2021年 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | |
总计 | 48 | 65 | 43 | 60 | 122 | ||||||||||
春季 | 5 | 7 | 4 | 18 | 15 | 4 | 12 | 13 | 5 | 14 | 12 | 9 | 32 | 31 | 18 |
夏季 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 1 | 0 | 0 |
秋季 | 1 | 0 | 0 | 4 | 4 | 3 | 4 | 5 | 1 | 3 | 3 | 1 | 4 | 4 | 1 |
冬季 | 9 | 12 | 8 | 6 | 5 | 5 | 1 | 2 | 0 | 6 | 4 | 1 | 17 | 10 | 4 |
合计 | 16 | 20 | 12 | 28 | 25 | 12 | 17 | 20 | 6 | 29 | 19 | 12 | 54 | 45 | 23 |
Table 5 Affected days by dust transport in different regions of Shaanxi from 2017 to 2021
季节 | 2017年 | 2018年 | 2019年 | 2020年 | 2021年 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | 陕北 | 关中 | 陕南 | |
总计 | 48 | 65 | 43 | 60 | 122 | ||||||||||
春季 | 5 | 7 | 4 | 18 | 15 | 4 | 12 | 13 | 5 | 14 | 12 | 9 | 32 | 31 | 18 |
夏季 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 1 | 0 | 0 |
秋季 | 1 | 0 | 0 | 4 | 4 | 3 | 4 | 5 | 1 | 3 | 3 | 1 | 4 | 4 | 1 |
冬季 | 9 | 12 | 8 | 6 | 5 | 5 | 1 | 2 | 0 | 6 | 4 | 1 | 17 | 10 | 4 |
合计 | 16 | 20 | 12 | 28 | 25 | 12 | 17 | 20 | 6 | 29 | 19 | 12 | 54 | 45 | 23 |
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