Zhengzhou Air Quality Index

Lightly Polluted(Class C)
(November 20th,2018 ,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: 114μg/m3,24-hour PM2.5: 69.55μg/m3.
1-hour PM2.5 ranks #332 in China by ascending,total 367 cities.
1-hour PM10: 135.56μg/m3,24-hour PM10: 100.75μg/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 11751321461.3751966Moderately Polluted
Site 213710412816416611Lightly Polluted
Site 31551181581.56511513Moderately Polluted
Site 41691281290.9651888Moderately Polluted
Site 51581201251.1651788Moderately Polluted
Site 61371041241.26016511Lightly Polluted
Site 712292150152151311Lightly Polluted
Site 81551181321.166171013Moderately Polluted
Site 91441101281.1581356Lightly Polluted

Zhengzhou AQI Ranking

Zhengzhou AQI ranks #330 in China(total 367),defeat 10% cities.

Last 7 days rankings and AQI data of Zhengzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-11-19 #2637744800.82561146652Good
2018-11-18 #2226040690.86148185746Good
2018-11-17 #3096950590.94843122420Good
2018-11-16 #3348562780.86733113936Good
2018-11-15 #3572311802071.56555165748Heavily Polluted
2018-11-14 #3451881411581.33370112418Moderately Polluted
2018-11-13 #3461781341471.50168139573Moderately 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.