Zhengzhou Air Quality Index

50
Excellent(Class A)
(August 12th,2019 ,11:00:00 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: 33.56μg/m3,24-hour PM2.5: 18.06μg/m3.
1-hour PM2.5 ranks #341 in China by ascending,total 367 cities.
1-hour PM10: 49.33μg/m3,24-hour PM10: 36.85μg/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 16345500.84045426Good
Site 24227421.14933514Excellent
Site 36338760.91826328Good
Site 455394315442913Good
Site 54929490.95232612Excellent
Site 64330410.95023616Excellent
Site 74424440.73034617Excellent
Site 852295314933518Good
Site 958414614623222Good

Zhengzhou AQI Ranking

Zhengzhou AQI ranks #278 in China(total 367),defeat 24% cities.

Last 7 days rankings and AQI data of Zhengzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-08-11 #2707618380.787203143131Good
2019-08-10 #2446414290.737153126117Good
2019-08-09 #34710028580.636342187160Good
2019-08-08 #2797920430.61232140134Good
2019-08-07 #2627520370.736254164130Good
2019-08-06 #2136022570.5964739472Good
2019-08-05 #1815220530.505343118102Good
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.