Fukuishicho, Sasebo, Nagasaki Air Pollution:
Real-time Air Quality Index (AQI)

Fukuishicho, Sasebo, Nagasaki福石佐世保市
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Fukuishicho, Sasebo, Nagasaki AQI: Fukuishicho, Sasebo, Nagasaki Real-time Air Quality Index (AQI).
53
Moderate
Updated on Friday 3:00
temperature: 27°C
currentpast 2 daysminmax
PM2.5 AQI
53Fukuishicho, Sasebo, Nagasaki, Japan PM25 (fine particulate matter) measured by Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム). Values are converted to the US EPA AQI standard.1368
PM10 AQI
26Fukuishicho, Sasebo, Nagasaki, Japan PM10 (respirable particulate matter) measured by Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム). Values are converted to the US EPA AQI standard.731
O3 AQI
6Fukuishicho, Sasebo, Nagasaki, Japan O3 (ozone) measured by Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム). Values are converted to the US EPA AQI standard.117
NO2 AQI
10Fukuishicho, Sasebo, Nagasaki, Japan NO2 (nitrogen dioxide) measured by Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム). Values are converted to the US EPA AQI standard.220
SO2 AQI
2Fukuishicho, Sasebo, Nagasaki, Japan SO2 (sulfur dioxide) measured by Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム). Values are converted to the US EPA AQI standard.216
CO AQI
2Fukuishicho, Sasebo, Nagasaki, Japan CO (carbon monoxide) measured by Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム). Values are converted to the US EPA AQI standard.13
Temp.
27Fukuishicho, Sasebo, Nagasaki, Japan t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).2734
Pressure
1008Fukuishicho, Sasebo, Nagasaki, Japan p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10081012
Humidity
85Fukuishicho, Sasebo, Nagasaki, Japan h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).5388
Wind
2Fukuishicho, Sasebo, Nagasaki, Japan w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).16
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Air Quality Forecast
FRI 22
30°C
24°C
SAT 23
31°C
24°C
SUN 24
31°C
24°C
MON 25
31°C
24°C
TUE 26
29°C
24°C
WED 27
31°C
23°C
THU 28
30°C
24°C
PM2.5
Friday 22Saturday 23Sunday 24Monday 25Tuesday 26Wednesday 27Thursday 28
hour
14710131619221471013161922147101316192214710131619221471013161922147101316192214710131619
Wind Speed (m/s)
2333441112235411112343111113542233244212111332112234532























































Temp.
24°24°27°30°30°29°25°24°24°24°27°29°31°29°25°24°24°24°27°30°31°29°25°24°24°24°27°30°31°29°25°25°24°24°26°28°29°27°24°24°24°23°28°31°30°27°24°24°24°24°28°30°30°27°25°
relative humidity
95948667657392959696827665759395969684646372929596968364617594969697857467849596969676616580909295977561688195
barometric pressure
1009100910101009100910101011101110111011101210121011101110121013101210121014101310121012101310131013101210141013101210121012101310121012101310121011101110121012101110121012101110101011101210121011101210121011101110111013
total precipitation
0.60.110.10.11.11.80.10.10.10.10.20.10.10.10.50.52.20.60.70.30.80.40.60.10.10.10.30.10.10.40.50.10.1
UVI:
9


5:49 ~ 19:01
UVI:
9


5:50 ~ 19:00
UVI:
7


5:51 ~ 18:58
UVI:
9


5:51 ~ 18:57
UVI:
2


5:52 ~ 18:56


5:53 ~ 18:55


5:53 ~ 18:53
Forecast plotted using timezone +09:00
Latest forecast updates:
Wind: 13 hours ago [Aug 21, 2025 6:48 AM]
fine particulate matter: an hour ago [Aug 21, 2025 6:12 PM]
click to view the detailed forecast

Air Quality Data provided by: the Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム) (soramame.env.go.jp)

Note that the measurement for O3 (ozone) are taken from the station: Daitocho, Sasebo, Nagasaki
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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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