Hefei Air Quality Index

Lightly Polluted(Class C)
(January 18th,2019 ,11:00:00 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 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: 87.5μg/m3,24-hour PM2.5: 74.75μg/m3.
1-hour PM2.5 ranks #251 in China by ascending,total 367 cities.
1-hour PM10: 122.9μg/m3,24-hour PM10: 130.06μg/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 1125951580.97422226Lightly Polluted
Site 210478122157175324Lightly Polluted
Site 3125951670.97425296Lightly Polluted
Site 4113851120.849164813Lightly Polluted
Site 511284990.94295723Lightly Polluted
Site 6120911160.849194419Lightly Polluted
Site 7125951170.95322398Lightly Polluted
Site 8112841020.954174719Lightly Polluted
Site 911788126163203522Lightly Polluted
Site 1010780110151155228Lightly Polluted

Hefei AQI Ranking

Hefei AQI ranks #248 in China(total 367),defeat 32% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-01-17 #22290621290.94565108057Good
2019-01-16 #2047031890.5584684235Good
2019-01-15 #3492021511081.4045173931Heavily Polluted
2019-01-14 #2851891421301.5465173526Moderately Polluted
2019-01-13 #2491451111351.3536797751Lightly Polluted
2019-01-12 #237119901100.9874855546Lightly Polluted
2019-01-11 #724733300.6543541311Excellent
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.