Kaifeng Air Quality Index

Good(Class B)
(January 16th,2019 ,04:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
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: 50.5μg/m3,24-hour PM2.5: 33.52μg/m3.
1-hour PM2.5 ranks #277 in China by ascending,total 367 cities.
1-hour PM10: 139μg/m3,24-hour PM10: 113.76μg/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 190491300.930195244Good
Site 293541351.538175045Good
Site 39448138135184642Good
Site 4102511530.738195044Lightly Polluted

Kaifeng AQI Ranking

Kaifeng AQI ranks #328 in China(total 367),defeat 11% cities.

Last 7 days rankings and AQI data of Kaifeng City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-01-15 #3231551181941.513596357Moderately Polluted
2019-01-14 #3342732232552.2314793525Heavily Polluted
2019-01-13 #2861991491702.013994735Moderately Polluted
2019-01-12 #2801831381412.0414381716Moderately Polluted
2019-01-11 #3432411912041.71644135037Heavily Polluted
2019-01-10 #328165125961.31241167469Moderately Polluted
2019-01-09 #2687958801.08344153229Good
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.