Haikou Air Pollution: Real-time Air Quality Index (AQI)

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Haikou AQI: Haikou Real-time Air Quality Index (AQI).
61
Moderate
Updated on Tuesday 20:00
temperature: 27°C
currentpast 2 daysminmax
PM2.5 AQI
61Haikou PM25 (fine particulate matter) measured by Hainan Environmental Protection Agency (海南省国土环境资源厅). Values are converted to the US EPA AQI standard.3063
PM10 AQI
24Haikou PM10 (respirable particulate matter) measured by Hainan Environmental Protection Agency (海南省国土环境资源厅). Values are converted to the US EPA AQI standard.1626
O3 AQI
29Haikou O3 (ozone) measured by Hainan Environmental Protection Agency (海南省国土环境资源厅). Values are converted to the US EPA AQI standard.1138
NO2 AQI
10Haikou NO2 (nitrogen dioxide) measured by Hainan Environmental Protection Agency (海南省国土环境资源厅). Values are converted to the US EPA AQI standard.210
SO2 AQI
3Haikou SO2 (sulfur dioxide) measured by Hainan Environmental Protection Agency (海南省国土环境资源厅). Values are converted to the US EPA AQI standard.23
CO AQI
2Haikou CO (carbon monoxide) measured by Hainan Environmental Protection Agency (海南省国土环境资源厅). Values are converted to the US EPA AQI standard.27
Temp.
27Haikou t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).2535
Pressure
1006Haikou p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10031008
Humidity
88Haikou h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).49100
Wind
2Haikou w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).15
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map © OpenStreetMap contributors

Air Quality Forecast
TUE 12
33°C
26°C
WED 13
32°C
26°C
THU 14
32°C
26°C
FRI 15
26°C
24°C
SAT 16
29°C
25°C
SUN 17
29°C
26°C
MON 18
29°C
26°C
PM2.5
Tuesday 12Wednesday 13Thursday 14Friday 15Saturday 16Sunday 17Monday 18
hour
0369121518210369121518210369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
6542232565435643333334246777655765567876788101111109899991010























































Temp.
27°26°26°30°33°31°29°27°27°26°26°31°31°31°29°29°27°27°27°30°32°31°29°27°26°25°25°25°26°25°24°25°25°25°26°29°29°29°27°26°26°26°26°28°29°28°27°27°26°26°26°28°29°28°26°
relative humidity
90909168587079879091917170687882838487746368818791929492879394909193928079828992929090858487909191899187858992
barometric pressure
1005100410051007100510041005100710071006100710071006100410041006100510041005100510041002100310051004100310041006100510041006100610061005100610071005100410051007100610051006100610051004100510061004100310041003100210011003
total precipitation
0.31.41.30.30.40.20.20.60.40.90.31.90.73.23.14.10.65.87.118.20.30.80.53.11.75.60.43.11.84.23.35.82.33.73.77.94.19.32.54.82.64.3
UVI:
11


6:18 ~ 19:11
UVI:
8


6:19 ~ 19:10
UVI:
8


6:19 ~ 19:10
UVI:
5


6:19 ~ 19:09
UVI:
7


6:20 ~ 19:08
UVI:
1


6:20 ~ 19:07


6:20 ~ 19:07
Forecast plotted using timezone +08:00
Latest forecast updates:
Wind: 2 hours ago [Aug 12, 2025 10:38 AM]
fine particulate matter: 19 hours ago [Aug 11, 2025 6:22 PM]
ozone: 4 years ago [Feb 26, 2021 4:26 AM]
click to view the detailed forecast

Air Quality Data provided by: the Hainan Environmental Protection Agency (海南省国土环境资源厅) (dloer.gov.cn)

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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150Unhealthy for Sensitive GroupsMembers of sensitive groups may experience health effects. The general public is not likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300Very UnhealthyHealth warnings of emergency conditions. The entire population is more likely to be affected.Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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