Kaifeng Air Quality Index

143
Lightly Polluted(Class C)
(May 30th,2017 ,06:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 56.5μg/m3,24-hour PM2.5: 53.77μg/m3.
1-hour PM2.5 ranks #310 in China by ascending,total 367 cities.
1-hour PM10: 169.25μg/m3,24-hour PM10: 151.7μg/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 1117491470.71511234203Lightly Polluted
Site 2124641751.11912247210Lightly Polluted
Site 3125561671.52015249216Lightly Polluted
Site 4119571880.61513229200Lightly Polluted

Kaifeng AQI Ranking

Kaifeng AQI ranks #340 in China(total 367),defeat 7% cities.

Last 7 days rankings and AQI data of Kaifeng City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-29 #282138491050.8222113214202Lightly Polluted
2017-05-28 #277146431150.7382112217210Lightly Polluted
2017-05-27 #319168441160.7912717264232Moderately Polluted
2017-05-26 #286129401140.8542521209191Lightly Polluted
2017-05-25 #294114361020.7893024184175Lightly Polluted
2017-05-24 #2909237770.7183417163150Good
2017-05-23 #2646922610.567159133122Good
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.