Haikou Air Quality Index

Good(Class B)
(May 28th,2017 ,11:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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.

Haikou PM2.5

1-hour PM2.5: 26.8μg/m3,24-hour PM2.5: 19.18μg/m3.
1-hour PM2.5 ranks #78 in China by ascending,total 367 cities.
1-hour PM10: 49.8μg/m3,24-hour PM10: 43.98μg/m3.

All Air Monitoring Sites Of Haikou 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)
5 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 15131520.6698897Good
Site 25222540.748112118Good
Site 34832480.71179196Excellent
Site 44923490.62277792Excellent
Site 54626460.611893102Excellent

Haikou AQI Ranking

Haikou AQI ranks #17 in China(total 367),defeat 95% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-27 #15710225470.65868175162Lightly Polluted
2017-05-26 #917031470.7691110129123Good
2017-05-25 #324616290.69879991Excellent
2017-05-24 #924916300.57512711797Excellent
2017-05-23 #143313320.5851368366Excellent
2017-05-22 #544012290.64513119680Excellent
2017-05-21 #143311200.7051557265Excellent
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.