Zhangjiakou Air Quality Index

72
Good(Class B)
(July 26th,2017 ,07:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 38.75μg/m3,24-hour PM2.5: 29.87μg/m3.
1-hour PM2.5 ranks #252 in China by ascending,total 367 cities.
1-hour PM10: 76μg/m3,24-hour PM10: 52.14μg/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 15627610.93112109125Good
Site 274399814919111128Good
Site 365438013317126126Good
Site 47046901.53717122132Good
Site 551-510.92624126118Good

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #183 in China(total 367),defeat 50% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-25 #1285927520.493237122110Good
2017-07-24 #1025229520.47333710387Good
2017-07-23 #2017555730.667341013291Good
2017-07-22 #864930490.49327109584Excellent
2017-07-21 #1555823500.4572211125109Good
2017-07-20 #344125601020.6662310233187Lightly Polluted
2017-07-19 #357137661040.7962312223200Lightly Polluted
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.