Hefei Air Quality Index

31
Excellent(Class A)
(September 24th,2017 ,08:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Hefei PM2.5

1-hour PM2.5: 21.7μg/m3,24-hour PM2.5: 30.75μg/m3.
1-hour PM2.5 ranks #133 in China by ascending,total 367 cities.
1-hour PM10: 24μg/m3,24-hour PM10: 38.84μg/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 12517-0.93452139Excellent
Site 24028-153171946Excellent
Site 32715180.954274162Excellent
Site 43524300.8565935Excellent
Site 53927-0.83733960Excellent
Site 63222-0.82744967Excellent
Site 73222-1.24093833Excellent
Site 82014-0.71915069Excellent
Site 93323-0.94362141Excellent
Site 103625-0.83352446Excellent

Hefei AQI Ranking

Hefei AQI ranks #64 in China(total 367),defeat 83% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-23 #1616043560.9142910592Good
2017-09-22 #1556444680.845511011489Good
2017-09-21 #1015136490.877411011997Good
2017-09-20 #2086446600.985429113104Good
2017-09-19 #21283611091.0195810137117Good
2017-09-18 #274125531161.0247512213187Lightly Polluted
2017-09-17 #27611239970.826639197173Lightly Polluted
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.