Haikou Air Quality Index

Good(Class B)
(January 25th,2017 ,02:00:00 AM(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: 22.2μg/m3,24-hour PM2.5: 26.34μg/m3.
1-hour PM2.5 ranks #34 in China by ascending,total 367 cities.
1-hour PM10: 53.2μg/m3,24-hour PM10: 59.46μg/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 14826480.4347976Excellent
Site 25620610.547114117Good
Site 35526600.425119118Good
Site 45420570.6259999Good
Site 54019400.525102102Excellent

Haikou AQI Ranking

Haikou AQI ranks #62 in China(total 367),defeat 83% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-01-23 #1969139600.777155148Good
2017-01-22 #1497243580.79977132126Good
2017-01-21 #435335470.80785110103Good
2017-01-20 #504420360.8281059988Excellent
2017-01-19 #745337550.7062359790Good
2017-01-18 #625428580.6111459984Good
2017-01-17 #645218530.5541247165Good
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.