Hangzhou Air Quality Index

Excellent(Class A)
(September 22nd,2017 ,02:00:00 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.

Hangzhou PM2.5

1-hour PM2.5: 21.55μg/m3,24-hour PM2.5: 15.82μg/m3.
1-hour PM2.5 ranks #126 in China by ascending,total 367 cities.
1-hour PM10: 32.18μg/m3,24-hour PM10: 23.46μg/m3.

All Air Monitoring Sites Of Hangzhou 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)
11 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 14531400.972724Excellent
Site 24022400.84581811Excellent
Site 32816280.72762834Excellent
Site 4153130.77114849Excellent
Site 52618260.63751522Excellent
Site 64028370.953333Excellent
Site 74229381.137103236Excellent
Site 84229340.95552021Excellent
Site 929202615571020Excellent
Site 103522350.932114442Excellent
Site 113719370.84861412Excellent

Hangzhou AQI Ranking

Hangzhou AQI ranks #36 in China(total 367),defeat 90% cities.

Last 7 days rankings and AQI data of Hangzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-21 #04515230.7343676666Excellent
2017-09-20 #964729430.7653788068Excellent
2017-09-19 #355162821241.1185513274227Moderately Polluted
2017-09-18 #31714454850.954711229208Lightly Polluted
2017-09-17 #26810832560.8254012193168Lightly Polluted
2017-09-16 #2519223460.749259169150Good
2017-09-15 #554626440.8592989392Excellent
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.