Nishisugamo, Toshima, Tokyo Air Pollution:
Real-time Air Quality Index (AQI)

Nishisugamo, Toshima, Tokyo明治通り西巣鴨豊島区
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Nishisugamo, Toshima, Tokyo AQI: Nishisugamo, Toshima, Tokyo Real-time Air Quality Index (AQI).
3
Good
Updated on Thursday 6:00
Primary pollutant: pm10
currentpast 2 daysminmax
PM2.5 AQI
42Nishisugamo, Toshima, 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.553
PM10 AQI
3Nishisugamo, Toshima, 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.214
O3 AQI
30Nishisugamo, Toshima, 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.330
NO2 AQI
8Nishisugamo, Toshima, 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.628
SO2 AQI
2Nishisugamo, Toshima, 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
2Nishisugamo, Toshima, 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.26
Temp.
9Nishisugamo, Toshima, Tokyo, Japan t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).19
Pressure
1011Nishisugamo, Toshima, Tokyo, Japan p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10101030
Humidity
65Nishisugamo, Toshima, Tokyo, Japan h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).6295
Wind
3Nishisugamo, Toshima, Tokyo, Japan w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).04
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Air Quality Forecast
THU 6
9°C
6°C
FRI 7
10°C
5°C
SAT 8
9°C
4°C
SUN 9
11°C
3°C
MON 10
13°C
6°C
TUE 11
11°C
8°C
WED 12
18°C
10°C
PM2.5
O3
Thursday 6Friday 7Saturday 8Sunday 9Monday 10Tuesday 11Wednesday 12
hour
0369121518210369121518210369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
47885324589111110842221134566776674222246774222437141011109774























































Temp.
8°9°8°8°9°9°8°7°6°5°6°8°10°10°7°6°4°4°4°5°7°9°6°4°4°4°4°6°10°11°9°8°7°6°6°9°12°13°11°11°11°11°10°9°9°9°8°8°10°11°10°12°16°18°17°
relative humidity
83705950485248515247382720222432343636363642799293939375544757545358554031365254606164708393928874605652322229
barometric pressure
1008100910101011101010111013101410151016101810201020102110241026102710281030103010281027102810281027102710281028102610261028102910291030103110311029102710281027102510231022102110191015101210091010101110131016101610151017
total precipitation
0.10.10.10.10.11.11.47.40.61.10.30.41.69.714.643.60.30.3
UVI:
3


6:06 ~ 17:41
UVI:
5


6:05 ~ 17:42
UVI:
3


6:03 ~ 17:43
UVI:
4


6:02 ~ 17:43
UVI:
2


6:00 ~ 17:44


5:59 ~ 17:45


5:58 ~ 17:46
Forecast plotted using timezone +09:00
Latest forecast updates:
Wind: 5 hours ago [Mar 5, 2025 4:43 PM]
fine particulate matter: 3 hours ago [Mar 5, 2025 6:22 PM]
ozone: a day ago [Mar 4, 2025 9:00 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) 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: Yamatocho, Itabashi, Tokyo and the measurement for O3 (ozone) are taken from the station: Hikawachō, Itabashi-ku, Tōkyō-to
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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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