Haikou Air Quality Index

23
Excellent(Class A)
(April 25th,2019 ,12:00:00 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: 16μg/m3,24-hour PM2.5: 15.11μg/m3.
1-hour PM2.5 ranks #64 in China by ascending,total 367 cities.
1-hour PM10: 22.2μg/m3,24-hour PM10: 29.79μg/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 1148140.51232332Excellent
Site 22517240.51651831Excellent
Site 32014200.51033132Excellent
Site 43625340.62363451Excellent
Site 52316190.41753549Excellent

Haikou AQI Ranking

Haikou AQI ranks #5 in China(total 367),defeat 99% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-04-23 #133210250.4531247963Excellent
2019-04-22 #714318350.48114510985Excellent
2019-04-21 #173518320.461247670Excellent
2019-04-20 #103721360.4851347566Excellent
2019-04-19 #13014290.4231346258Excellent
2019-04-18 #22411240.4511144646Excellent
2019-04-17 #7366160.5881147472Excellent
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.