Zhangye Air Quality Index

Good(Class B)
(April 23rd,2017 ,05:00:00 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: 3.5μg/m3,24-hour PM2.5: 14.64μg/m3.
1-hour PM2.5 ranks #3 in China by ascending,total 367 cities.
1-hour PM10: 14.5μg/m3,24-hour PM10: 40.08μg/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 147160.484149140Excellent
Site 2496230.2177156135Excellent

Zhangye AQI Ranking

Zhangye AQI ranks #245 in China(total 367),defeat 33% cities.

Last 7 days rankings and AQI data of Zhangye City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-22 #3269719430.3753010160156Good
2017-04-21 #3328815361.311269154145Good
2017-04-20 #2007017820.2842010138123Good
2017-04-19 #2218217690.273148143138Good
2017-04-18 #1336516650.2891912128118Good
2017-04-17 #1627019750.3962810129123Good
2017-04-16 #219809260.36238144136Good
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.