Hefei Air Quality Index

Moderately Polluted(Class D)
(January 19th,2018 ,04:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience more serious health effects,may impact the heart,respiratory system of healthy groups.
Suggestion:People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion; everyone else should reduce prolonged or heavy exertion.

Hefei PM2.5

1-hour PM2.5: 139.2μg/m3,24-hour PM2.5: 117.63μg/m3.
1-hour PM2.5 ranks #278 in China by ascending,total 367 cities.
1-hour PM10: 0μg/m3,24-hour PM10: 96.22μg/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 1192144-1.25532328Moderately Polluted
Site 2196147-1.35632222Moderately Polluted
Site 3188141-1.334134029Moderately Polluted
Site 4188141-1.4625911Moderately Polluted
Site 5189142-1.36242522Moderately Polluted
Site 6176133-1.14872525Moderately Polluted
Site 7175132-15953134Moderately Polluted
Site 8160122-13862925Moderately Polluted
Site 9179135-1.347102528Moderately Polluted
Site 10205155-1.24542325Heavily Polluted

Hefei AQI Ranking

Hefei AQI ranks #277 in China(total 367),defeat 25% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-18 #245146111981.4146078056Lightly Polluted
2018-01-17 #2471471121071.3546477047Lightly Polluted
2018-01-16 #2971811361401.45773101614Moderately Polluted
2018-01-15 #176106791271.31989276040Lightly Polluted
2018-01-14 #186101721061.12681185840Lightly Polluted
2018-01-13 #204100751061.04873193825Good
2018-01-12 #2338147760.82765135043Good
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.