Zhangjiakou Air Quality Index

Lightly Polluted(Class C)
(June 27th,2017 ,05:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 29.4μg/m3,24-hour PM2.5: 25.03μg/m3.
1-hour PM2.5 ranks #245 in China by ascending,total 367 cities.
1-hour PM10: 101.8μg/m3,24-hour PM10: 60.85μg/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 110731750.52317213214Lightly Polluted
Site 2101171421.24035201200Lightly Polluted
Site 3107351140.62822214200Lightly Polluted
Site 4114361130.72117227214Lightly Polluted
Site 511528651.12528229214Lightly Polluted

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #326 in China(total 367),defeat 11% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-26 #25010423540.5342110177164Lightly Polluted
2017-06-25 #2478820470.508218172145Good
2017-06-24 #3079525450.5682110168153Good
2017-06-23 #2787724300.77219143132Good
2017-06-22 #3058535510.616219152141Good
2017-06-21 #35015333820.537189239218Moderately Polluted
2017-06-20 #1686918430.35156126123Good
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.