Haikou Air Quality Index

Good(Class B)
(January 23rd,2018 ,04:00:00 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: 30μg/m3,24-hour PM2.5: 44.01μg/m3.
1-hour PM2.5 ranks #150 in China by ascending,total 367 cities.
1-hour PM10: 56.2μg/m3,24-hour PM10: 57μg/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 14721470.7939087Excellent
Site 25129520.7186126118Good
Site 35129510.7117116101Good
Site 45436580.5778478Good
Site 56235730.95810088Good

Haikou AQI Ranking

Haikou AQI ranks #141 in China(total 367),defeat 62% cities.

Last 7 days rankings and AQI data of Haikou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-22 #675337510.6541368783Good
2018-01-21 #374824470.5451146661Excellent
2018-01-20 #274724460.541456054Excellent
2018-01-19 #174932490.5771469284Excellent
2018-01-18 #606844550.58247144121Good
2018-01-17 #416537550.597208137118Good
2018-01-16 #144923410.51916610497Excellent
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.