Zhengzhou Air Quality Index

Lightly Polluted(Class C)
(December 4th,2016 ,12:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Zhengzhou PM2.5

1-hour PM2.5: 81.89μg/m3,24-hour PM2.5: 132.92μg/m3.
1-hour PM2.5 ranks #185 in China by ascending,total 367 cities.
1-hour PM10: 138.33μg/m3,24-hour PM10: 213.24μg/m3.

All Air Monitoring Sites Of Zhengzhou 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)
9 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1117881561.360564043Lightly Polluted
Site 2103771441.141375646Lightly Polluted
Site 31391061421.444324036Lightly Polluted
Site 4118891421.651365939Lightly Polluted
Site 5108811300.939285947Lightly Polluted
Site 6100751301.340305437Good
Site 7102761281.443314530Lightly Polluted
Site 899711470.752395554Good
Site 999741260.938415547Good

Zhengzhou AQI Ranking

Zhengzhou AQI ranks #182 in China(total 367),defeat 50% cities.

Last 7 days rankings and AQI data of Zhengzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2016-12-02 #3532451942972.016933710167Heavily Polluted
2016-12-01 #3401761332041.63777537154Moderately Polluted
2016-11-30 #286122901931.40366337557Lightly Polluted
2016-11-29 #3451931442471.91199411210Moderately Polluted
2016-11-28 #3531801362321.82693403019Moderately Polluted
2016-11-27 #308134822171.54575515335Lightly Polluted
2016-11-26 #245110651701.30362416951Lightly 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.