Tatemachi, Hachioji, Tokyo Air Pollution:
Real-time Air Quality Index (AQI)


Tatemachi, Hachioji, Tokyo AQI: Tatemachi, Hachioji, Tokyo Real-time Air Quality Index (AQI).
6
Good
Updated on Monday 18:00
Primary pollutant: pm10
currentpast 2 daysminmax
PM2.5 AQI
1Tatemachi, Hachioji, Tokyo, 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)
 • Tokyo, Japan Environment Agency (東京都環境局).
Values are converted to the US EPA AQI standard.155
PM10 AQI
6Tatemachi, Hachioji, Tokyo, 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)
 • Tokyo, Japan Environment Agency (東京都環境局).
Values are converted to the US EPA AQI standard.617
O3 AQI
38Tatemachi, Hachioji, Tokyo, 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)
 • Tokyo, Japan Environment Agency (東京都環境局).
Values are converted to the US EPA AQI standard.1542
NO2 AQI
5Tatemachi, Hachioji, Tokyo, 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)
 • Tokyo, Japan Environment Agency (東京都環境局).
Values are converted to the US EPA AQI standard.315
SO2 AQI
2Tatemachi, Hachioji, Tokyo, 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)
 • Tokyo, Japan Environment Agency (東京都環境局).
Values are converted to the US EPA AQI standard.22
CO AQI
-Tatemachi, Hachioji, Tokyo, 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)
 • Tokyo, Japan Environment Agency (東京都環境局).
Values are converted to the US EPA AQI standard.59
Temp.
9Tatemachi, Hachioji, Tokyo, Japan  t (temp.)  measured by Citizen Weather Observer Program (CWOP/APRS).515
Pressure
993Tatemachi, Hachioji, Tokyo, Japan  p (pressure:)  measured by Citizen Weather Observer Program (CWOP/APRS).9891005
Humidity
35Tatemachi, Hachioji, Tokyo, Japan  h (humidity)  measured by Citizen Weather Observer Program (CWOP/APRS).2188
Wind
1Tatemachi, Hachioji, Tokyo, Japan  w (wind)  measured by Citizen Weather Observer Program (CWOP/APRS).05
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Air Quality Forecast
MON 17
13°C
1°C
TUE 18
4°C
-1°C
WED 19
5°C
-2°C
THU 20
6°C
-2°C
FRI 21
5°C
-1°C
SAT 22
6°C
-1°C
SUN 23
5°C
-2°C
PM2.5
O3
Monday 17Tuesday 18Wednesday 19Thursday 20Friday 21Saturday 22Sunday 23
hour
0369121518210369121518210369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
2213267676434332222255532222432222123422222452442221421























































Temp.
10°13°11°-1°-1°-1°-1°-2°-2°-2°-2°-2°-2°-1°-1°-1°-1°-2°-2°
relative humidity
63717356332743454242432749525156564940201720374138353216203254495352473741416464626762412934515161635638323044
barometric pressure
1007100510051004100010011006100810101011101310131010100910121012101210121014101410121013101710191020102110221022101910201022102210221022102310221020101910211020101910171018101810151015101810191019101810191020101810171019
total precipitation
0.10.90.10.20.60.10.60.30.30.30.10.30.2
UVI:
3


6:29 ~ 17:27
UVI:
4


6:28 ~ 17:28
UVI:
4


6:27 ~ 17:29
UVI:
4


6:25 ~ 17:30
UVI:
4


6:24 ~ 17:31


6:23 ~ 17:32


6:22 ~ 17:33
Forecast plotted using timezone +09:00

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) and the Tokyo, Japan Environment Agency (東京都環境局) (kankyo.metro.tokyo.lg.jp)

Note that the measurements for SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Katakuramachi, Hachioji, Tokyo
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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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