Hefei Air Quality Index

Lightly Polluted(Class C)
(May 27th,2018 ,10:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Hefei PM2.5

1-hour PM2.5: 74.8μg/m3,24-hour PM2.5: 50.72μg/m3.
1-hour PM2.5 ranks #329 in China by ascending,total 367 cities.
1-hour PM10: 208.5μg/m3,24-hour PM10: 101.33μg/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 1128782050.777972123Lightly Polluted
Site 2150852500.7115426126Lightly Polluted
Site 3127722040.3253106145Lightly Polluted
Site 4145782400.982961118Lightly Polluted
Site 5132732130.949693148Lightly Polluted
Site 612565200138784117Lightly Polluted
Site 7125741990.947489130Lightly Polluted
Site 8121701920.7116118148Lightly Polluted
Site 9133792160.8531394150Lightly Polluted
Site 10108741660.6343105150Lightly Polluted

Hefei AQI Ranking

Hefei AQI ranks #333 in China(total 367),defeat 9% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-05-26 #684934440.7252457366Excellent
2018-05-25 #23992681141.1744898381Good
2018-05-24 #1317445870.876418140128Good
2018-05-23 #27911234980.704388190173Lightly Polluted
2018-05-22 #474325330.7382549184Excellent
2018-05-21 #2416648750.8293455145Good
2018-05-20 #1505740530.8283055853Good
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.