Miyajimachi, Yatsushiro, Kumamoto Air Pollution:
Real-time Air Quality Index (AQI)

Miyajimachi, Yatsushiro, Kumamoto八代自排局八代市
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Miyajimachi, Yatsushiro, Kumamoto AQI: Miyajimachi, Yatsushiro, Kumamoto Real-time Air Quality Index (AQI).
17
Good
Updated on Tuesday 17:00
temperature: 21°C
currentpast 2 daysminmax
PM2.5 AQI
17Miyajimachi, Yatsushiro, Kumamoto, 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.572
PM10 AQI
10Miyajimachi, Yatsushiro, Kumamoto, 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.226
O3 AQI
23Miyajimachi, Yatsushiro, Kumamoto, 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.2057
NO2 AQI
13Miyajimachi, Yatsushiro, Kumamoto, 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.217
SO2 AQI
-Miyajimachi, Yatsushiro, Kumamoto, 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
Temp.
21Miyajimachi, Yatsushiro, Kumamoto, Japan t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).1627
Pressure
982Miyajimachi, Yatsushiro, Kumamoto, Japan p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).980993
Humidity
91Miyajimachi, Yatsushiro, Kumamoto, Japan h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).34100
Wind
1Miyajimachi, Yatsushiro, Kumamoto, Japan w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).12
Rain
2Miyajimachi, Yatsushiro, Kumamoto, Japan r (rain) measured by Citizen Weather Observer Program (CWOP/APRS).199
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Air Quality Forecast
TUE 3
21°C
18°C
WED 4
23°C
18°C
THU 5
23°C
18°C
FRI 6
24°C
18°C
SAT 7
24°C
20°C
SUN 8
21°C
19°C
MON 9
20°C
18°C
PM2.5
Tuesday 3Wednesday 4Thursday 5Friday 6Saturday 7Sunday 8Monday 9
hour
0369121518210369121518210369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
2224233321112455421123222111223211122210112244221111212























































Temp.
18°19°20°21°20°21°21°20°19°18°19°21°22°23°21°20°19°18°19°21°23°23°21°20°18°18°19°21°24°24°22°21°20°20°20°21°24°23°22°21°21°21°21°21°20°20°19°19°18°19°19°19°19°19°20°
relative humidity
96979698938984868484796752476667828879654845626363656457454357576061646147565862606061637379879093929596979897
barometric pressure
9969969969979989991001100410041005100710081008100810091010101110111012101310121011101210131013101310141013101310111012101210121011101210111010101010101010100910091009100910091008100810081009100810071008100710071007
total precipitation
8.436.80.81.70.10.10.41.60.60.91.42.12.89.47.829.310.7
UVI:
5


5:12 ~ 19:21
UVI:
10


5:11 ~ 19:22
UVI:
10


5:11 ~ 19:23
UVI:
10


5:11 ~ 19:23
UVI:
10


5:11 ~ 19:24


5:11 ~ 19:24


5:11 ~ 19:24
Forecast plotted using timezone +09:00
Latest forecast updates:
Wind: 5 hours ago [Jun 3, 2025 4:48 AM]
fine particulate matter: 16 hours ago [Jun 2, 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: JP:八代市/八代東高校
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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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