Kaifeng Air Quality Index

Good(Class B)
(February 20th,2020 ,06:00:00 PM(UTC+8) Published)
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: 75μg/m3,24-hour PM2.5: 89.7μg/m3.
1-hour PM2.5 ranks #301 in China by ascending,total 367 cities.
1-hour PM10: 82μg/m3,24-hour PM10: 87.65μg/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 19873830.82258579Good
Site 2-82-0.81868781-
Site 39772760.71668878Good
Site 49873870.71899181Good

Kaifeng AQI Ranking

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

Last 7 days rankings and AQI data of Kaifeng City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2020-02-19 #2106144510.61517610393Good
2020-02-18 #1685032430.54613610398Excellent
2020-02-17 #1574328420.6261899285Excellent
2020-02-16 #1394014330.4811278580Excellent
2020-02-15 #2274028380.7881146156Excellent
2020-02-14 #2917958591.2081344239Good
2020-02-13 #1986446520.9061255250Good
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.