Kaifeng Air Quality Index

125
Lightly Polluted(Class C)
(May 27th,2018 ,10:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
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.

Kaifeng PM2.5

1-hour PM2.5: 59.25μg/m3,24-hour PM2.5: 49.98μg/m3.
1-hour PM2.5 ranks #298 in China by ascending,total 367 cities.
1-hour PM10: 199.25μg/m3,24-hour PM10: 167.34μg/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 1107651641.1671186153Lightly Polluted
Site 2128432050.9601293165Lightly Polluted
Site 3140682290.9651591158Lightly Polluted
Site 4125611991691686169Lightly Polluted

Kaifeng AQI Ranking

Kaifeng AQI ranks #323 in China(total 367),defeat 12% cities.

Last 7 days rankings and AQI data of Kaifeng City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-05-26 #283130662081.0482911230159Lightly Polluted
2018-05-25 #1927756911.158309154126Good
2018-05-24 #22594541360.9972711118110Good
2018-05-23 #309118531860.8554118183164Lightly Polluted
2018-05-22 #29285331071.027188163141Good
2018-05-21 #1495433580.94819147777Good
2018-05-20 #2386828470.907146121121Good
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.