Zhangye Air Quality Index

Good(Class B)
(June 29th,2017 ,12:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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.

Zhangye PM2.5

1-hour PM2.5: 8.5μg/m3,24-hour PM2.5: 25.73μg/m3.
1-hour PM2.5 ranks #19 in China by ascending,total 367 cities.
1-hour PM10: 29.5μg/m3,24-hour PM10: 87.86μg/m3.

All Air Monitoring Sites Of Zhangye 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)
2 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1365190.2189113142Excellent
Site 24012400.2104111140Excellent

Zhangye AQI Ranking

Zhangye AQI ranks #287 in China(total 367),defeat 22% cities.

Last 7 days rankings and AQI data of Zhangye City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-27 #27011310280.285177195174Lightly Polluted
2017-06-26 #26611013400.227129189170Lightly Polluted
2017-06-25 #2901026190.22496177162Lightly Polluted
2017-06-24 #284866160.25997146143Good
2017-06-23 #32187371230.251146152141Good
2017-06-22 #2817913420.253127143134Good
2017-06-21 #2769013360.338119162148Good
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.