Haikou Air Quality Index

Good(Class B)
(March 24th,2018 ,05:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
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: 21μg/m3,24-hour PM2.5: 22.58μg/m3.
1-hour PM2.5 ranks #68 in China by ascending,total 367 cities.
1-hour PM10: 55.2μg/m3,24-hour PM10: 65.14μg/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 14217420.5747078Excellent
Site 25520590.6152111107Good
Site 34920490.61048784Excellent
Site 45824660.5468285Good
Site 55524600.51066876Good

Haikou AQI Ranking

Haikou AQI ranks #43 in China(total 367),defeat 88% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-23 #125420560.553105111102Good
2018-03-22 #2048530500.755187158142Good
2018-03-21 #425013280.77595106100Excellent
2018-03-20 #594515270.7271169890Excellent
2018-03-19 #353820380.5921746860Excellent
2018-03-18 #203316330.5351046761Excellent
2018-03-17 #23015290.5221136458Excellent
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.