Ozumachi, Iwakuni, Yamaguchi Air Pollution:
Real-time Air Quality Index (AQI)

Ozumachi, Iwakuni, Yamaguchi愛宕小学校岩国市
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Ozumachi, Iwakuni, Yamaguchi AQI: Ozumachi, Iwakuni, Yamaguchi Real-time Air Quality Index (AQI).
3
Good
Updated on Wed. 3:00
Primary pollutant: pm10
currentpast 2 daysminmax
PM2.5 AQI
9Ozumachi, Iwakuni, Yamaguchi, 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.546
PM10 AQI
3Ozumachi, Iwakuni, Yamaguchi, 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.115
O3 AQI
21Ozumachi, Iwakuni, Yamaguchi, 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.838
NO2 AQI
4Ozumachi, Iwakuni, Yamaguchi, 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.415
SO2 AQI
-Ozumachi, Iwakuni, Yamaguchi, 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.23
CO AQI
-Ozumachi, Iwakuni, Yamaguchi, 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.66
Temp.
9Ozumachi, Iwakuni, Yamaguchi, Japan t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).614
Pressure
1014Ozumachi, Iwakuni, Yamaguchi, Japan p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10071022
Humidity
81Ozumachi, Iwakuni, Yamaguchi, Japan h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).5793
Wind
2Ozumachi, Iwakuni, Yamaguchi, Japan w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).113
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Air Quality Forecast
WED 5
10°C
6°C
THU 6
8°C
3°C
FRI 7
8°C
1°C
SAT 8
8°C
2°C
SUN 9
11°C
3°C
MON 10
7°C
6°C
TUE 11
12°C
6°C
PM2.5
O3
Wednesday 5Thursday 6Friday 7Saturday 8Sunday 9Monday 10Tuesday 11
hour
0369121518210369121518210369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
1112354455468854343565544432222222222213433322333323122























































Temp.
6°7°7°8°10°9°7°6°5°4°4°7°8°7°4°3°2°2°2°6°7°8°5°3°2°2°2°6°8°8°5°4°4°3°3°9°10°10°7°7°7°7°6°6°7°6°6°6°6°7°7°9°11°12°10°
relative humidity
91909288787979797978796358617477787976564946646566666454565671746860584747546672717081868789919191888887787790
barometric pressure
1015101410141016101610171018102010201020102110221020102110231025102610261028102910261026102710281029102810281028102610251027102810281028102910301028102710281029102810271028102810271025102410241022102010201020101910171017
total precipitation
0.10.10.10.10.10.10.10.10.31.11.53.90.91.40.40.50.10.4
UVI:
3


6:36 ~ 18:11
UVI:
4


6:35 ~ 18:12
UVI:
5


6:34 ~ 18:13
UVI:
3


6:32 ~ 18:13
UVI:
1


6:31 ~ 18:14


6:30 ~ 18:15


6:29 ~ 18:16
Forecast plotted using timezone +09:00
Latest forecast updates:
Wind: 3 hours ago [Mar 4, 2025 4:44 PM]
fine particulate matter: an hour ago [Mar 4, 2025 6:32 PM]
ozone: a day ago [Mar 3, 2025 8:49 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 CO (carbon monoxide) are taken from the station: Yamatemachi, Iwakuni, Yamaguchi
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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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