Hefei Air Quality Index

Moderately Polluted(Class D)
(November 21st,2018 ,07:00:00 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: 126.4μg/m3,24-hour PM2.5: 69.6μg/m3.
1-hour PM2.5 ranks #348 in China by ascending,total 367 cities.
1-hour PM10: 107μg/m3,24-hour PM10: 79.8μg/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 1180136-1.2476724Moderately Polluted
Site 2169128-1.34861014Moderately Polluted
Site 3189142-1.23451420Moderately Polluted
Site 41381051071.33951319Lightly Polluted
Site 5156119-1.3515109Moderately Polluted
Site 6169128-1.128101426Moderately Polluted
Site 7168127-1.4505619Moderately Polluted
Site 8166126-1.13072030Moderately Polluted
Site 9172130-1.43771320Moderately Polluted
Site 10162123-1.23451728Moderately Polluted

Hefei AQI Ranking

Hefei AQI ranks #348 in China(total 367),defeat 5% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-11-20 #2587957790.9715488262Good
2018-11-19 #2437151680.944258668Good
2018-11-18 #1043927270.563133535Excellent
2018-11-17 #1073820340.4793045150Excellent
2018-11-16 #3247353510.7163355954Good
2018-11-15 #1805741510.794064740Good
2018-11-14 #2167241630.8265798067Good
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.