Zhangye Air Quality Index

Good(Class B)
(July 28th,2017 ,08:00:00 PM(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: 6μg/m3,24-hour PM2.5: 2.82μg/m3.
1-hour PM2.5 ranks #9 in China by ascending,total 367 cities.
1-hour PM10: 3μg/m3,24-hour PM10: 7.02μg/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 140230.294127126Excellent
Site 24010-0.375126122Excellent

Zhangye AQI Ranking

Zhangye AQI ranks #199 in China(total 367),defeat 46% cities.

Last 7 days rankings and AQI data of Zhangye City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-27 #18268370.20465126122Good
2017-07-26 #93539270.406216116103Good
2017-07-25 #156646160.343198122117Good
2017-07-24 #95498180.37522710097Excellent
2017-07-23 #132588140.371158109109Good
2017-07-22 #156607120.333125120112Good
2017-07-21 #98477110.29810610193Excellent
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.