Hangzhou Air Quality Index

Excellent(Class A)
(January 29th,2015 ,03:00:00 PM(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: 22.64μg/m3,24-hour PM2.5: 40.64μg/m3.
1-hour PM2.5 ranks #102 in China by ascending,total 367 cities.
1-hour PM10: 23μg/m3,24-hour PM10: 52.56μg/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 13927-0.7345782220Excellent
Site 24632-0.6848131618Excellent
Site 32415-0.53847101814Excellent
Site 4189150.4643541414Excellent
Site 53222-0.926489139Excellent
Site 63323-0.7465882817Excellent
Site 72920-0.749571276Excellent
Site 84632340.91363121010Excellent
Site 94028-1.04960172421Excellent
Site 103625-0.898541089Excellent
Site 113116200.64162111716Excellent

Hangzhou AQI Ranking

Hangzhou AQI ranks #56 in China(total 367),defeat 85% cities.

Last 7 days rankings and AQI data of Hangzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2015-01-28 #1885836470.71646134336Good
2015-01-27 #26310074810.93145154436Good
2015-01-26 #3032331822131.99865231412Heavily Polluted
2015-01-25 #3052181671911.85491332921Heavily Polluted
2015-01-24 #2561731311841.62998358157Moderately Polluted
2015-01-23 #3231931451811.71289326653Moderately Polluted
2015-01-22 #3041541171491.42353339276Moderately 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.