Hefei Air Quality Index

Good(Class B)
(March 19th,2019 ,06:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
Health Implications:Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion:Unusually sensitive people should consider reducing prolonged or heavy exertion.

Hefei PM2.5

1-hour PM2.5: 25.9μg/m3,24-hour PM2.5: 46.89μg/m3.
1-hour PM2.5 ranks #134 in China by ascending,total 367 cities.
1-hour PM10: 55.4μg/m3,24-hour PM10: 62.62μg/m3.

All Air Monitoring Sites Of Hefei City(Real Time Data)

Indicators instruction:
AQI=Air Quality Index; PM2.5=Particles less than 2.5 micrometers in diameter; PM10=Particles between 2.5 and 10 micrometers in diameter; CO=carbon monoxide;NO2=nitrogen dioxide;SO2=sulfur dioxide;O3-1h=Ozone 1-hour average;O3-8h=Ozone 8-hour average;

Unit: μg/m3(CO=mg/m3)
10 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 15919670.7407108108Good
Site 24924490.9276119114Excellent
Site 36335750.7487-114Good
Site 45228540.8355105100Good
Site 54412440.6137137125Excellent
Site 6492649120-113105Excellent
Site 76034700.8277116118Good
Site 84826480.7175142129Excellent
Site 94632450.6357115116Excellent
Site 105223530.7285127120Good

Hefei AQI Ranking

Hefei AQI ranks #155 in China(total 367),defeat 58% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-03-18 #2167252790.704417129118Good
2019-03-17 #29491561130.8697213141115Good
2019-03-16 #32990441010.6827211119105Good
2019-03-15 #2927238920.604558119107Good
2019-03-14 #2917439790.614487144128Good
2019-03-13 #30486561220.823581111695Good
2019-03-12 #24479371070.631498118108Good
Note :03-1h, O3-8h to 24 hours maximum, 24-hour average of other pollutants, daily AQI based on "Ambient Air Quality Index (AQI) Technology (Trial)" (HJ633-2012) published in the daily AQI standard calculations.