基于气象和遥感的空气清新度监测技术研究
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张春桂, 彭继达
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Air freshness monitoring technology based on meteorology and remote sensing
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ZHANG Chungui, PENG Jida
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表4 AFI及其对数的百分位数
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Tab.4 Normal distribution percentiles of AFI and its logarithm
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百分位数
(部分) | ln(AFI) | AFI | NOI浓度/
(个·cm-3) | PM2.5质量浓
度/(μg·m-3) | | 15% | 3.6 | 37 | 993 | 26.8 | | 20% | 3.8 | 45 | 1 198 | 26.6 | | 25% | 4.0 | 54 | 1 347 | 24.9 | | 30% | 4.2 | 65 | 1 422 | 21.9 | | 35% | 4.3 | 77 | 1 491 | 19.4 | | 40% | 4.5 | 93 | 1 595 | 17.2 | | 45% | 4.7 | 111 | 1 628 | 14.7 | | 50% | 4.9 | 131 | 1 656 | 12.6 | | 55% | 5.0 | 156 | 1 741 | 11.2 | | 60% | 5.2 | 187 | 1 780 | 9.5 | | 65% | 5.4 | 226 | 1 925 | 8.5 | | 70% | 5.6 | 275 | 2 171 | 7.9 | | 75% | 5.8 | 339 | 2 221 | 6.3 | | 80% | 6.1 | 426 | 2 511 | 5.9 | | 85% | 6.3 | 561 | 2 802 | 5.0 | | 90% | 6.8 | 791 | 3 644 | 4.6 | | 91% | 6.8 | 856 | 4 040 | 4.5 | | 95% | 7.2 | 1343 | 4 935 | 3.7 |
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