Zhangjiakou Air Quality Index

Lightly Polluted(Class C)
(May 28th,2017 ,10:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Zhangjiakou PM2.5

1-hour PM2.5: 24.8μg/m3,24-hour PM2.5: 42.41μg/m3.
1-hour PM2.5 ranks #73 in China by ascending,total 367 cities.
1-hour PM10: 179μg/m3,24-hour PM10: 138.92μg/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 17016900.696105116Good
Site 2134122170.81210100117Lightly Polluted
Site 36330750.384111117Good
Site 4322464370.2314112117Severely Polluted
Site 56320760.81014113127Good

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #344 in China(total 367),defeat 6% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-27 #260136361120.7762615219199Lightly Polluted
2017-05-26 #21410120640.581219179160Lightly Polluted
2017-05-25 #1587417490.495206131128Good
2017-05-24 #1626215460.447175122114Good
2017-05-23 #2807216310.483217136126Good
2017-05-22 #1034820310.47915710294Excellent
2017-05-21 #331143551100.882520230207Lightly 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.