Zhangjiakou Air Quality Index

Good(Class B)
(July 20th,2018 ,11:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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: 61.8μg/m3,24-hour PM2.5: 46.42μg/m3.
1-hour PM2.5 ranks #356 in China by ascending,total 367 cities.
1-hour PM10: 94.25μg/m3,24-hour PM10: 66.61μg/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 182601000.61610138137Good
Site 283618812811139140Good
Site 36847860.5179154147Good
Site 489661030.7177123117Good
Site 510075-0.8133154148Good

Zhangjiakou AQI Ranking

Zhangjiakou AQI ranks #305 in China(total 367),defeat 17% cities.

Last 7 days rankings and AQI data of Zhangjiakou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-07-19 #2788639630.6661510151143Good
2018-07-18 #3119735560.7991711178155Good
2018-07-17 #1154618280.518141010191Excellent
2018-07-16 #2025934440.7832112142110Good
2018-07-15 #33511234620.6271610183173Lightly Polluted
2018-07-14 #34711526540.6332110204176Lightly Polluted
2018-07-13 #2566926580.7332711139122Good
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.