Haikou Air Quality Index

32
Excellent(Class A)
(May 1st,2017 ,07:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Haikou PM2.5

1-hour PM2.5: 12.6μg/m3,24-hour PM2.5: 16.37μg/m3.
1-hour PM2.5 ranks #20 in China by ascending,total 367 cities.
1-hour PM10: 27.8μg/m3,24-hour PM10: 33.94μg/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 13411340.7635452Excellent
Site 22413220.71367478Excellent
Site 33013300.8856462Excellent
Site 42414240.71266962Excellent
Site 52912290.6966161Excellent

Haikou AQI Ranking

Haikou AQI ranks #9 in China(total 367),defeat 98% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-30 #506619370.696125118118Good
2017-04-29 #23310226430.7107169161Lightly Polluted
2017-04-28 #1207016320.70878126123Good
2017-04-27 #725030490.752189381Excellent
2017-04-26 #574320390.62117710184Excellent
2017-04-25 #73414290.5741568167Excellent
2017-04-24 #384620460.7111858782Excellent
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.