Characteristics and Sources of Air Pollution in Southern Shanxi Province
Abstract
:1. Introduction
2. Data and Methods
2.1. Data Sources
2.2. Methodology
2.2.1. HYSPLIT_4 Model, PSCF and CWT
2.2.2. Calculation Method of AQI
3. Results and Discussion
3.1. Analysis of Air Pollution Characteristics in Jincheng
3.2. Analysis of Conveying Path
3.3. Analysis of Pollution Source Area
3.4. Discussion
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Air Quality Sub-Index (I) | Pollutant Project Concentration Limits | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
SO2 | SO2 | NO2 | NO2 | PM10 | CO | CO | O3 | O3 | PM2.5 | |
24 h Avg | 1 h Avg | 24 h Avg | 1 h Avg | 24 h Avg | 24 h Avg | 1 h Avg | 1 h Avg | 8 h Avg | 24 h Avg | |
0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
50 | 50 | 150 | 40 | 100 | 50 | 2 | 5 | 160 | 100 | 35 |
100 | 150 | 500 | 80 | 200 | 150 | 4 | 10 | 200 | 160 | 75 |
150 | 475 | 650 | 180 | 700 | 250 | 14 | 35 | 300 | 215 | 115 |
200 | 800 | 800 | 280 | 1200 | 350 | 24 | 60 | 400 | 265 | 150 |
300 | 1600 | 565 | 2340 | 420 | 36 | 90 | 800 | 800 | 250 | |
400 | 2100 | 750 | 3090 | 500 | 48 | 120 | 1000 | 350 | ||
500 | 2620 | 940 | 3840 | 600 | 60 | 150 | 1200 | 500 |
Trajectory Classification | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
---|---|---|---|---|---|---|---|---|
winter | 16.3 | 14.1 | 9.2 | 3.2 | 17.2 | 10.6 | 1.1 | 1.5 |
December | 10.3 | 5.1 | 5.0 | |||||
January | 13.2 | 2.7 | ||||||
February | 14.5 | 4.6 | 2.1 |
Proportion of Air Quality | Trajectory Classification | |||||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
Excellent ratio (%) | 68.2 | 78.3 | 57.2 | 65.3 | 32.8 | 48.2 | 58.9 | 26.2 |
Pollution ratio (%) | 31.8 | 21.7 | 42.8 | 34.7 | 67.2 | 51.8 | 41.1 | 73.8 |
AQI Grade | Trajectory Classification | |||||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
Excellent | 8.05 | 14.45 | 19.42 | 13.67 | 19.56 | 16.80 | 2.30 | 5.75 |
good | 6.65 | 12.64 | 15.59 | 9.59 | 21.86 | 23.70 | 8.06 | 1.92 |
Light | 5.46 | 2.05 | 6.62 | 12.89 | 30.78 | 22.40 | 8.52 | 11.27 |
Moderate | 2.31 | 4.60 | 4.76 | 11.52 | 22.16 | 27.27 | 9.18 | 17.23 |
Severe | 1.36 | 1.70 | 2.37 | 12.80 | 30.74 | 21.32 | 10.98 | 18.80 |
Serious | 0.35 | 1.14 | 1.25 | 11.28 | 23.61 | 23.12 | 14.83 | 24.42 |
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Liu, Q.; Liang, S.; Xu, J. Characteristics and Sources of Air Pollution in Southern Shanxi Province. Sustainability 2022, 14, 13511. https://doi.org/10.3390/su142013511
Liu Q, Liang S, Xu J. Characteristics and Sources of Air Pollution in Southern Shanxi Province. Sustainability. 2022; 14(20):13511. https://doi.org/10.3390/su142013511
Chicago/Turabian StyleLiu, Qiangjun, Suping Liang, and Junlin Xu. 2022. "Characteristics and Sources of Air Pollution in Southern Shanxi Province" Sustainability 14, no. 20: 13511. https://doi.org/10.3390/su142013511