Hefei Air Quality Index

43
Excellent(Class A)
(July 23rd,2018 ,07:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Hefei PM2.5

1-hour PM2.5: 16.2μg/m3,24-hour PM2.5: 18.76μg/m3.
1-hour PM2.5 ranks #105 in China by ascending,total 367 cities.
1-hour PM10: 42.5μg/m3,24-hour PM10: 42.58μg/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 15416580.429151722Good
Site 24510450.42572326Excellent
Site 34621460.21162928Excellent
Site 44617460.43041922Excellent
Site 54019400.62462327Excellent
Site 64015400.78103236Excellent
Site 74519450.41972525Excellent
Site 83019300.91273131Excellent
Site 93815380.520102729Excellent
Site 103711370.51563027Excellent

Hefei AQI Ranking

Hefei AQI ranks #158 in China(total 367),defeat 57% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-07-22 #884723470.481668076Excellent
2018-07-21 #2288639710.609249159143Good
2018-07-20 #34613534720.7382811224198Lightly Polluted
2018-07-19 #2768527660.62610178142Good
2018-07-18 #2417525620.5592810156130Good
2018-07-17 #2557723490.571268148132Good
2018-07-16 #3099433680.652810163152Good
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.