Zhengzhou Air Quality Index

48
Excellent(Class A)
(July 8th,2019 ,08:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Zhengzhou PM2.5

1-hour PM2.5: 21.25μg/m3,24-hour PM2.5: 15.56μg/m3.
1-hour PM2.5 ranks #208 in China by ascending,total 367 cities.
1-hour PM10: 41.88μg/m3,24-hour PM10: 45.26μg/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 14223420.5164102101Excellent
Site 23720370.61558492Excellent
Site 35121510.91289192Good
Site 43817380.615299105Excellent
Site 54623460.52747489Excellent
Site 63918390.51759092Excellent
Site 7---------
Site 84319430.4859498Excellent
Site 94229390.61828587Excellent

Zhengzhou AQI Ranking

Zhengzhou AQI ranks #217 in China(total 367),defeat 41% cities.

Last 7 days rankings and AQI data of Zhengzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-07-07 #30410112400.567176174161Lightly Polluted
2019-07-06 #2938816520.548216179145Good
2019-07-05 #31012624670.62387200188Lightly Polluted
2019-07-04 #2679832830.79447172157Good
2019-07-03 #355193351010.776497299257Moderately Polluted
2019-07-02 #33315427780.716439232218Moderately Polluted
2019-07-01 #34114327860.723597221206Lightly 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.