Zhengzhou Air Quality Index

Lightly Polluted(Class C)
(March 27th,2017 ,11:00:00 PM(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: 85μg/m3,24-hour PM2.5: 60.18μg/m3.
1-hour PM2.5 ranks #330 in China by ascending,total 367 cities.
1-hour PM10: 144μg/m3,24-hour PM10: 162.54μg/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 1122921601.680313897Lightly Polluted
Site 21321001321.3563454103Lightly Polluted
Site 3120911500.8523469111Lightly Polluted
Site 4107801421.558335699Lightly Polluted
Site 5102761241.2612352105Lightly Polluted
Site 611083160158324690Lightly Polluted
Site 791621310.565223278Good
Site 8109821541.3653357116Lightly Polluted
Site 9130991431.6723140102Lightly Polluted

Zhengzhou AQI Ranking

Zhengzhou AQI ranks #312 in China(total 367),defeat 15% cities.

Last 7 days rankings and AQI data of Zhengzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-03-26 #865724620.6344323121108Good
2017-03-25 #1856824850.6523116124112Good
2017-03-24 #338117701831.00244249574Lightly Polluted
2017-03-23 #2978966991.05452176051Good
2017-03-22 #3511631241561.29559179677Moderately Polluted
2017-03-21 #3561491141741.436721132115Lightly Polluted
2017-03-20 #2618361821.0144214125109Good
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.