Zhangjiakou Air Quality Index

64
Good(Class B)
(March 20th,2019 ,03:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
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: 31.6μg/m3,24-hour PM2.5: 61.32μg/m3.
1-hour PM2.5 ranks #187 in China by ascending,total 367 cities.
1-hour PM10: 77.4μg/m3,24-hour PM10: 153.84μg/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 15841630.710-6673Good
Site 26823850.824156875Good
Site 36531800.71077995Good
Site 47031900.58127794Good
Site 56032690.722166777Good

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #225 in China(total 367),defeat 39% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-03-19 #25184431170.9453715143120Good
2019-03-18 #2077137910.9483115132111Good
2019-03-17 #1095824520.8162413128109Good
2019-03-16 #795416460.69149107104Good
2019-03-15 #574712410.65911109793Excellent
2019-03-14 #1105414570.624111010196Good
2019-03-13 #374815350.6616129995Excellent
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.