Hefei Air Quality Index

Excellent(Class A)
(June 29th,2017 ,09:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.

Hefei PM2.5

1-hour PM2.5: 22.5μg/m3,24-hour PM2.5: 44.54μg/m3.
1-hour PM2.5 ranks #123 in China by ascending,total 367 cities.
1-hour PM10: 38μg/m3,24-hour PM10: 70.07μg/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 13625330.73184733Excellent
Site 23221320.713169279Excellent
Site 35126510.64888667Good
Site 43524320.625187756Excellent
Site 53814380.64668779Excellent
Site 63718370.626107158Excellent
Site 75118510.42258355Good
Site 83524-0.825138979Excellent
Site 93927300.83966763Excellent
Site 104028-0.620510374Excellent

Hefei AQI Ranking

Hefei AQI ranks #84 in China(total 367),defeat 77% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-28 #2208743680.6653111159143Good
2017-06-27 #27211454810.7873810185174Lightly Polluted
2017-06-26 #30112855840.8683811198191Lightly Polluted
2017-06-25 #29710748760.8213312176167Lightly Polluted
2017-06-24 #2798637630.6853310153143Good
2017-06-23 #2066340590.69359127115Good
2017-06-22 #35511652730.7673610196177Lightly 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.