Zhangjiakou Air Quality Index

Good(Class B)
(September 25th,2017 ,06:00:00 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: 40.6μg/m3,24-hour PM2.5: 22.17μg/m3.
1-hour PM2.5 ranks #281 in China by ascending,total 367 cities.
1-hour PM10: 98.8μg/m3,24-hour PM10: 84.56μg/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 197501440.91912120108Good
Site 281321120.73097398Good
Site 36934880.32656359Good
Site 46446740.72887054Good
Site 56341760.7231178107Good

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #308 in China(total 367),defeat 16% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-24 #2276519790.505267125108Good
2017-09-23 #2267522980.648361111493Good
2017-09-22 #25083221140.39823610091Good
2017-09-21 #2057022880.577299128119Good
2017-09-20 #1575413570.478267117102Good
2017-09-19 #884914480.35719510497Excellent
2017-09-18 #1055917580.41226130111Good
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.