Zhangjiakou Air Quality Index

Good(Class B)
(August 19th,2017 ,02:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-1h
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.

Zhangjiakou PM2.5

1-hour PM2.5: 26.2μg/m3,24-hour PM2.5: 33.22μg/m3.
1-hour PM2.5 ranks #254 in China by ascending,total 367 cities.
1-hour PM10: 59μg/m3,24-hour PM10: 67.6μg/m3.

All Air Monitoring Sites Of Zhangjiakou 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)
5 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 15821660.71215158107Good
Site 26919390.51122175125Good
Site 36029610.4115168108Good
Site 49027700.5138192126Good
Site 57535-0.5924180122Good

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #319 in China(total 367),defeat 13% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-08-18 #3019128620.5962214159149Good
2017-08-17 #2718719500.4781817165144Good
2017-08-16 #2086915370.383169128123Good
2017-08-15 #2698722530.5492011173144Good
2017-08-14 #34410836640.6351913190168Lightly Polluted
2017-08-13 #34010331580.6282011177162Lightly Polluted
2017-08-12 #34610437640.636209206163Lightly 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.