Zhengzhou Air Quality Index

49
Excellent(Class A)
(November 18th,2017 ,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: 19μg/m3,24-hour PM2.5: 63.07μg/m3.
1-hour PM2.5 ranks #171 in China by ascending,total 367 cities.
1-hour PM10: 48.33μg/m3,24-hour PM10: 150.88μg/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 15014500.734162838Excellent
Site 25313560.62973745Good
Site 34412440.421104248Excellent
Site 44725470.82994250Excellent
Site 54824480.544102434Excellent
Site 65123520.428113342Good
Site 74820480.52443445Excellent
Site 83421340.436113545Excellent
Site 95319560.538142841Good

Zhengzhou AQI Ranking

Zhengzhou AQI ranks #211 in China(total 367),defeat 43% cities.

Last 7 days rankings and AQI data of Zhengzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-17 #3361351021971.31565255344Lightly Polluted
2017-11-16 #3411561191791.27582264629Moderately Polluted
2017-11-15 #28797711441.16571236148Good
2017-11-14 #29195601391.02573195643Good
2017-11-13 #24379491080.9160218167Good
2017-11-12 #32698671440.9670333827Good
2017-11-11 #2316731830.63253156052Good
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.