Kaifeng Air Quality Index

55
Good(Class B)
(September 26th,2017 ,12:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion:Unusually sensitive people should consider reducing prolonged or heavy exertion.

Kaifeng PM2.5

1-hour PM2.5: 38.33μg/m3,24-hour PM2.5: 35.54μg/m3.
1-hour PM2.5 ranks #261 in China by ascending,total 367 cities.
1-hour PM10: 53μg/m3,24-hour PM10: 49.93μg/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 1---1.52166530-
Site 25740561.52187424Good
Site 35438531.42496428Good
Site 45337501.42596030Good

Kaifeng AQI Ranking

Kaifeng AQI ranks #224 in China(total 367),defeat 39% cities.

Last 7 days rankings and AQI data of Kaifeng City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-25 #1745437570.9629138163Good
2017-09-24 #2356638790.942612134119Good
2017-09-23 #29396481240.9223214170155Good
2017-09-22 #342113581221.2114021204174Lightly Polluted
2017-09-21 #28610039930.7852312169160Good
2017-09-20 #346140671341.1154225279203Lightly Polluted
2017-09-19 #313115831791.7245733213168Lightly 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.