Haikou Air Quality Index

35
Excellent(Class A)
(November 23rd,2017 ,03:00:00 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: 15.8μg/m3,24-hour PM2.5: 18.91μg/m3.
1-hour PM2.5 ranks #79 in China by ascending,total 367 cities.
1-hour PM10: 35μg/m3,24-hour PM10: 31.99μg/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 13913390.71153228Excellent
Site 23818380.81293733Excellent
Site 336123611471313Excellent
Site 43321330.61693132Excellent
Site 52915290.9392327Excellent

Haikou AQI Ranking

Haikou AQI ranks #70 in China(total 367),defeat 81% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-22 #303320330.8171474341Excellent
2017-11-21 #62516250.791955346Excellent
2017-11-20 #363012220.7871756260Excellent
2017-11-19 #9289230.8321156356Excellent
2017-11-18 #92814270.6331155650Excellent
2017-11-17 #42814280.5461356152Excellent
2017-11-16 #23012290.5411256355Excellent
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.