Hangzhou Air Quality Index

Good(Class B)
(April 20th,2014 ,05:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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.

Hangzhou PM2.5

1-hour PM2.5: 49μg/m3,24-hour PM2.5: 41.75μg/m3.
1-hour PM2.5 ranks #109 in China by ascending,total 190 cities.
1-hour PM10: 54.67μg/m3,24-hour PM10: 59.49μg/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 17857630.61643303327Good
Site 27555570.35930174443Good
Site 35236500.74919104847Good
Site 41911190.4711355863Excellent
Site 57353600.9693431113Good
Site 68260670.79250204748Good
Site 77353640.86229194137Good
Site 86547-0.7954262731Good
Site 98059600.47733191011Good
Site 108059-0.64534165551Good
Site 116849520.57741134338Good

Hangzhou AQI Ranking

Hangzhou AQI ranks #101 in China(total 190),defeat 11% cities.

Last 7 days rankings and AQI data of Hangzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-04-19 #675841600.5973996967Good
2014-04-18 #151105791161.12254327158Lightly Polluted
2014-04-17 #1661401061591.26272337655Lightly Polluted
2014-04-16 #11985631000.76261236371Good
2014-04-15 #8888651150.6756347151134Good
2014-04-14 #527855820.5783418147133Good
2014-04-13 #476547710.7223297871Good
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.