Zhangjiakou Air Quality Index

Good(Class B)
(September 21st,2018 ,12:00:00 PM(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: 6.2μg/m3,24-hour PM2.5: 12.5μg/m3.
1-hour PM2.5 ranks #21 in China by ascending,total 367 cities.
1-hour PM10: 79.2μg/m3,24-hour PM10: 69.69μg/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 18551190.2427552Good
Site 2642780.3196843Good
Site 3685850.2686742Good
Site 4487480.6186434Excellent
Site 55812660.4356844Good

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #294 in China(total 367),defeat 20% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-09-20 #2726316750.484147125110Good
2018-09-19 #2616322740.668339141109Good
2018-09-18 #2305416560.55324912098Good
2018-09-17 #1934811470.4472488183Excellent
2018-09-16 #1744510260.36714610190Excellent
2018-09-15 #533510180.336867770Excellent
2018-09-14 #2827435680.678249143128Good
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.