Haikou Air Quality Index

14
Excellent(Class A)
(July 22nd,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: 5.25μg/m3,24-hour PM2.5: 6.89μg/m3.
1-hour PM2.5 ranks #13 in China by ascending,total 367 cities.
1-hour PM10: 12.4μg/m3,24-hour PM10: 15.83μg/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 1173170.5841318Excellent
Site 2126120.52281429Excellent
Site 38570.51441624Excellent
Site 48-60.51462331Excellent
Site 5207200.52082531Excellent

Haikou AQI Ranking

Haikou AQI ranks #4 in China(total 367),defeat 99% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-21 #5237170.484755044Excellent
2017-07-20 #152510250.5331054440Excellent
2017-07-19 #2219210.5921455339Excellent
2017-07-18 #3218200.5461355037Excellent
2017-07-17 #8227200.51754742Excellent
2017-07-16 #3194150.474453937Excellent
2017-07-15 #2217180.484454642Excellent
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.