Zhangjiakou Air Quality Index

Good(Class B)
(January 19th,2018 ,04:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
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: 23.8μg/m3,24-hour PM2.5: 31μg/m3.
1-hour PM2.5 ranks #31 in China by ascending,total 367 cities.
1-hour PM10: 50.8μg/m3,24-hour PM10: 65.74μg/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 15325561.117125346Good
Site 2531256119155247Good
Site 35128510.71395352Good
Site 4472447125166157Excellent
Site 54430440.914195655Excellent

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #41 in China(total 367),defeat 89% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-18 #305730631.05132227768Good
2018-01-17 #426530800.82421179287Good
2018-01-16 #273152452530.928218484Moderately Polluted
2018-01-15 #10179501081.2142298075Good
2018-01-14 #576345761.05430249689Good
2018-01-13 #12281601031.36646376048Good
2018-01-12 #695633601.01233316866Good
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.