Kaifeng Air Quality Index

Good(Class B)
(April 24th,2017 ,06:00:00 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: 60.67μg/m3,24-hour PM2.5: 49.84μg/m3.
1-hour PM2.5 ranks #340 in China by ascending,total 367 cities.
1-hour PM10: 141μg/m3,24-hour PM10: 107.11μg/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 185541190.82123154138Good
Site 2104681581.11919176154Lightly Polluted
Site 398601460.92219168149Good
Site 4---1.21918-154-

Kaifeng AQI Ranking

Kaifeng AQI ranks #279 in China(total 367),defeat 24% cities.

Last 7 days rankings and AQI data of Kaifeng City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-23 #2519338940.762616164151Good
2017-04-22 #2828949920.8393823166146Good
2017-04-21 #28178301050.7262719133122Good
2017-04-20 #28987301230.6753117120106Good
2017-04-19 #310101391520.7632220169127Lightly Polluted
2017-04-18 #27593351340.7713020146133Good
2017-04-17 #259101351510.7722314138126Lightly 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.