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| | |
| | | package com.moral.util; |
| | | |
| | | import java.util.ArrayList; |
| | | import java.util.Collections; |
| | | import java.util.HashMap; |
| | | import java.util.List; |
| | | import java.util.Map; |
| | | |
| | | public class AQICalculation { |
| | | |
| | | public static Map<String, Object> hourlyAQI(Map<String, Double> map){ |
| | | List<Double> AQIList = new ArrayList<>(); |
| | | for (Map.Entry<String, Double> entry : map.entrySet()) { |
| | | String key = entry.getKey(); |
| | | Double value = entry.getValue(); |
| | | Double PM2_5AQI; |
| | | Double PM10AQI; |
| | | Double SO2AQI; |
| | | Double NO2AQI; |
| | | Double COAQI; |
| | | Double O3AQI; |
| | | switch (key) { |
| | | case "e1":PM2_5AQI = PM2_5AQI(value); |
| | | AQIList.add(PM2_5AQI); |
| | | break; |
| | | case "e2":PM10AQI = PM10AQI(value); |
| | | AQIList.add(PM10AQI); |
| | | break; |
| | | case "e11":SO2AQI = SO2AQI(value); |
| | | AQIList.add(SO2AQI); |
| | | break; |
| | | case "e16":NO2AQI = NO2AQI(value); |
| | | AQIList.add(NO2AQI); |
| | | break; |
| | | case "e10":COAQI = COAQI(value); |
| | | AQIList.add(COAQI); |
| | | break; |
| | | case "e15":O3AQI = O3AQI(value); |
| | | AQIList.add(O3AQI); |
| | | break; |
| | | |
| | | default: |
| | | break; |
| | | } |
| | | } |
| | | Double AQIMAX = Collections.max(AQIList); |
| | | Map<String, Object> returnMap = new HashMap<>(); |
| | | returnMap.put("AQI", AQIMAX); |
| | | return returnMap; |
| | | } |
| | | |
| | | static double PM2_5AQI(Double value) { |
| | | Double result = (double) 0; |
| | | if(value<=0) { |
| | | result=(double) 0; |
| | | }else if (value<=35) { |
| | | result = 50/35*(value-0)+0; |
| | | }else if (value<=75) { |
| | | result = 50/40*(value-35)+50; |
| | | }else if (value<=115) { |
| | | result = 50/40*(value-75)+100; |
| | | }else if (value<=150) { |
| | | result = 50/35*(value-115)+150; |
| | | }else if (value<=250) { |
| | | result = 100/100*(value-150)+200; |
| | | }else if (value<=350) { |
| | | result = 100/100*(value-250)+300; |
| | | }else if (value<=500) { |
| | | result = 100/150*(value-350)+400; |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | static double PM10AQI(Double value) { |
| | | Double result = (double) 0; |
| | | if(value<=0) { |
| | | result=(double) 0; |
| | | }else if (value<=50) { |
| | | result = 50/50*(value-0)+0; |
| | | }else if (value<=150) { |
| | | result = 50/100*(value-50)+50; |
| | | }else if (value<=250) { |
| | | result = 50/100*(value-150)+100; |
| | | }else if (value<=350) { |
| | | result = 50/100*(value-250)+150; |
| | | }else if (value<=420) { |
| | | result = 100/70*(value-350)+200; |
| | | }else if (value<=500) { |
| | | result = 100/80*(value-420)+300; |
| | | }else if (value<=600) { |
| | | result = 100/100*(value-500)+400; |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | static double SO2AQI(Double value) { |
| | | Double result = (double) 0; |
| | | if(value<=0) { |
| | | result=(double) 0; |
| | | }else if (value<=150) { |
| | | result = 50/150*(value-0)+0; |
| | | }else if (value<=500) { |
| | | result = 50/350*(value-150)+50; |
| | | }else if (value<=650) { |
| | | result = 50/150*(value-500)+100; |
| | | }else if (value<=800) { |
| | | result = 50/150*(value-650)+150; |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | static double NO2AQI(Double value) { |
| | | Double result = (double) 0; |
| | | if(value<=0) { |
| | | result=(double) 0; |
| | | }else if (value<=100) { |
| | | result = 50/100*(value-0)+0; |
| | | }else if (value<=200) { |
| | | result = 50/100*(value-100)+50; |
| | | }else if (value<=700) { |
| | | result = 50/500*(value-200)+100; |
| | | }else if (value<=1200) { |
| | | result = 50/500*(value-700)+150; |
| | | }else if (value<=2340) { |
| | | result = 100/1140*(value-1200)+200; |
| | | }else if (value<=3090) { |
| | | result = 100/750*(value-2340)+300; |
| | | }else if (value<=3840) { |
| | | result = 100/750*(value-3090)+400; |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | static double COAQI(Double value) { |
| | | Double result = (double) 0; |
| | | if(value<=0) { |
| | | result=(double) 0; |
| | | }else if (value<=5) { |
| | | result = 50/5*(value-0)+0; |
| | | }else if (value<=10) { |
| | | result = 50/5*(value-5)+50; |
| | | }else if (value<=35) { |
| | | result = 50/25*(value-10)+100; |
| | | }else if (value<=60) { |
| | | result = 50/25*(value-35)+150; |
| | | }else if (value<=90) { |
| | | result = 100/30*(value-60)+200; |
| | | }else if (value<=120) { |
| | | result = 100/30*(value-90)+300; |
| | | }else if (value<=150) { |
| | | result = 100/30*(value-120)+400; |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | static double O3AQI(Double value) { |
| | | Double result = (double) 0; |
| | | if(value<=0) { |
| | | result=(double) 0; |
| | | }else if (value<=100) { |
| | | result = 50/100*(value-0)+0; |
| | | }else if (value<=160) { |
| | | result = 50/60*(value-100)+50; |
| | | }else if (value<=215) { |
| | | result = 50/55*(value-160)+100; |
| | | }else if (value<=265) { |
| | | result = 50/150*(value-215)+150; |
| | | }else if (value<=800) { |
| | | result = 100/535*(value-265)+200; |
| | | }else if (value<=2100) { |
| | | result = 100/12*(value-800)+300; |
| | | }else if (value<=2620) { |
| | | result = 100/12*(value-48)+400; |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | } |