Air Quality Health Index (AQHI) and Air Quality Index (AQI) in ...

Since the Air Quality Health Index (AQHI) issued by Hong Kong Environmental Protection Department is not comparable to other regions in the world, ... AirQualityinHongKong SincetheAirQualityHealthIndex(AQHI)issuedbyHongKongEnvironmental ProtectionDepartmentisnotcomparabletootherregionsintheworld,WeatherUndergroundofHongKong referstotheAirQualityIndex(AQI)issuedbyU.S. EnvironmentalProtectionAgencyandcalculatestheAirQualityIndexbasedonairpollutantconcentrationdata issuedbyHongKongEnvironmenalProtectionDepartment. ReferenceLinks: HongKongAirQualityandHealthRiskAssessment Real-timeAirQualityforMajorCities Real-timeGlobalAirQualityMap AirQualityGuidelinesbyWorldHealthOrganization Time:2021-12-1919:00 StationPollutantConcentration(microgram/m3)/AQIAQHIAQI NO2O3SO2COPM10PM2.5 Central/Western31.9/16104.7/455/2/-41.9/3825.2/78578 KwunTong38.7/1996.8/416.6/3/-57.8/5228.9/86586 TaiPo45.5/2279.1/345.8/3/-47.2/4328.3/85585 TungChung25.6/1275.7/324.3/2558.5/535.6/3223.4/74474 Eastern38.1/1994/403.1/1/-41.9/3819.9/67567 ShaTin35.1/1790.3/397.5/4/-44.6/4125.1/78578 TseungKwanO25/12106.4/459.6/5577.8/544.1/4025.4/78578 TapMun11.5/5110.6/4711/6697.6/650.6/4626.7/81581 YuenLong61.8/3158.7/254.9/2610.8/660/5335/99599 TuenMun49.5/2474.6/324/2632.1/660.3/5335.1/99599 KwaiChung68.5/3461.4/266.3/3/-46.5/4330.4/89589 ShamShuiPo53.2/2677.7/335.8/3/-50.1/4627.4/83583 TsuenWan61.5/3064.4/276.6/3687.9/649.4/4530.5/89589 CausewayBay117.8/6015.6/69.3/5968.4/969.6/5844.5/1235123 Central87.3/4348.5/206.2/31013.1/1042.7/3923.5/74574 MongKok63.1/3156.3/244.6/2781.9/747.8/4429/86486 *MissingPM2.5datafromEnvironmentalProtectionDepartment AirQualityIndex(AQI)CategoryMeaning 0-50GoodAirpollutionriskislow. 51-100ModerateAirqualityisacceptable. 101-150Unhealthyforhigh-riskgroupHigh-riskgroupmayhavehealtheffects.Generalpublicisnotaffected. 151-200UnhealthyHigh-riskgroupmayhavemoreserioushealtheffects.Someofthegeneralpublicmayhavehealtheffects. 201-300VeryUnhealthyGeneralpublichavehealtheffects. 301-500HazardousSomeofthegeneralpublicmayhavemoreserioushealtheffects. AirQualityHealthIndex(AQHI)HealthRisk 1-3Low 4-6Moderate 7High 8-10Veryhigh 10+Serious