src/main/java/com/moral/util/AQICalculation2.java
@@ -101,15 +101,18 @@ continue; } } Double AQIMAX = Collections.max(AQIList); Map<String, Object> returnMap = new HashMap<>(); if (AQIList.size()>0){ Double AQIMAX = Collections.max(AQIList); Optional<Map.Entry<String, Integer>> max0 = maxMap.entrySet() .stream() .max(Map.Entry.comparingByValue()); returnMap.put("maxSensor",max0.get().getKey()); returnMap.put("AQI", AQIMAX); }else { returnMap.put("maxSensor",""); returnMap.put("AQI", ""); } return returnMap; } static double PM2_5AQI(Double value) {