Hefei Air Quality Index

Good(Class B)
(March 22nd,2018 ,03:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
Health Implications:Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion:Unusually sensitive people should consider reducing prolonged or heavy exertion.

Hefei PM2.5

1-hour PM2.5: 42.2μg/m3,24-hour PM2.5: 42μg/m3.
1-hour PM2.5 ranks #210 in China by ascending,total 367 cities.
1-hour PM10: 68.9μg/m3,24-hour PM10: 66.23μg/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 16949870.77565641Good
Site 26043550.621310275Good
Site 36446520.619-12770Good
Site 480481090.749119063Good
Site 56244580.716510673Good
Site 65937680.62888349Good
Site 76344750.84159968Good
Site 85337470.715713474Good
Site 96136720.85867251Good
Site 10583866-18--72Good

Hefei AQI Ranking

Hefei AQI ranks #145 in China(total 367),defeat 60% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-21 #1506244590.664347124110Good
2018-03-20 #2887958530.7452838677Good
2018-03-19 #664430330.6312347269Excellent
2018-03-18 #604531330.7723334949Excellent
2018-03-17 #1886345620.7673489888Good
2018-03-16 #895129510.5422410289Good
2018-03-15 #975538590.82132511491Good
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.