Kaifeng Air Quality Index

Heavily Polluted(Class E)
(November 20th,2017 ,09:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Exercise tolerance is reduced in people with heart and lung conditions;healthy people may exhibit symptoms.
Suggestion:People with heart or lung disease, older adults, and children should avoid all physical activity outdoors. Everyone else should avoid prolonged or heavy exertion.

Kaifeng PM2.5

1-hour PM2.5: 154.5μg/m3,24-hour PM2.5: 105.26μg/m3.
1-hour PM2.5 ranks #361 in China by ascending,total 367 cities.
1-hour PM10: 166μg/m3,24-hour PM10: 129.3μg/m3.

All Air Monitoring Sites Of Kaifeng 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)
4 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1213163-1.56210426Heavily Polluted
Site 2202152-1.56431-21Heavily Polluted
Site 3202152-1.57111223Heavily Polluted
Site 42011511661.1669328Heavily Polluted

Kaifeng AQI Ranking

Kaifeng AQI ranks #361 in China(total 367),defeat 2% cities.

Last 7 days rankings and AQI data of Kaifeng City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-19 #3169066900.96546204229Good
2017-11-18 #2555932670.76834157363Good
2017-11-17 #324123931861.27556205547Lightly Polluted
2017-11-16 #3361481131611.40665245337Lightly Polluted
2017-11-15 #307108811461.29266257655Lightly Polluted
2017-11-14 #323115871531.30964276952Lightly Polluted
2017-11-13 #324106801461.28464348864Lightly 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.