airQualityIndexToLevel function
Implementation
AirQualityLevel airQualityIndexToLevel(int index) {
if (index < 0)
return AirQualityLevel.UNKNOWN;
else if (index <= 50)
return AirQualityLevel.GOOD;
else if (index <= 100)
return AirQualityLevel.MODERATE;
else if (index <= 150)
return AirQualityLevel.UNHEALTHY_FOR_SENSITIVE_GROUPS;
else if (index <= 200)
return AirQualityLevel.UNHEALTHY;
else if (index <= 300)
return AirQualityLevel.VERY_UNHEALTHY;
else
return AirQualityLevel.HAZARDOUS;
}