Primary Pollutant

(AQI)

Japan aqi air quality index status boy

Major Air Pollutants in Japan

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Japan co carbon monoxide icon
137 (CO)

PM2.5

The current PM2.5 concentration in Japan is ✓below the recommended limit given by the WHO 24 hrs air quality guidelines value.

Japan - States Air Pollution Level

STATES Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
Aichi MODERATE 56 56 40 14 23 17 44
Akita MODERATE 68 68 44 20 18 8 55
Aomori MODERATE 60 60 30 16 17 7 52
Chiba GOOD 50 50 34 13 22 13 72
Ehime MODERATE 54 54 47 13 15 14 59
Fukui MODERATE 53 53 46 13 20 12 58
Fukuoka MODERATE 61 61 51 15 20 16 41
Fukushima MODERATE 70 70 52 21 18 12 51
Gifu MODERATE 56 56 48 16 18 17 39
Gunma MODERATE 60 60 42 16 29 10 71
Hiroshima GOOD 49 49 42 11 24 13 45
Hokkaido MODERATE 60 60 38 17 15 8 54
Hyogo MODERATE 67 67 40 20 29 14 52
Ibaraki MODERATE 53 53 38 14 24 12 64
Ishikawa MODERATE 57 57 45 15 22 12 57
Iwate MODERATE 56 56 42 15 18 10 47
Kagawa GOOD 50 50 45 12 18 16 31
Kagoshima MODERATE 71 71 49 21 35 19 31
Kanagawa GOOD 46 46 33 11 19 13 66
Kochi MODERATE 61 61 50 17 24 17 54
Kumamoto MODERATE 55 55 50 14 19 18 31
Kyoto MODERATE 54 54 42 14 21 16 36
Mie MODERATE 57 57 42 15 20 16 46
Miyagi MODERATE 64 64 33 18 19 10 63
Miyazaki MODERATE 59 59 49 15 21 17 41
Nagano MODERATE 52 52 37 13 18 12 44
Nagasaki MODERATE 56 56 53 12 19 18 30
Nara MODERATE 56 56 43 14 16 18 31
Niigata MODERATE 51 51 41 13 20 10 55
Oita MODERATE 51 51 50 10 15 14 48
Okayama MODERATE 71 71 45 22 32 16 34
Okinawa MODERATE 61 61 48 17 32 21 61
Osaka MODERATE 57 57 40 15 25 16 42
Saga MODERATE 55 55 51 14 18 18 35
Saitama MODERATE 55 55 34 14 21 13 63
Shiga MODERATE 56 56 42 15 26 17 32
Shimane GOOD 48 48 47 10 13 14 40
Shizuoka MODERATE 52 52 44 13 16 15 65
Tochigi GOOD 50 50 22 12 22 12 41
Tokushima MODERATE 54 54 45 13 21 14 43
Tokyo GOOD 45 45 32 10 18 13 67
Tottori GOOD 42 42 31 10 4 13 58
Toyama GOOD 49 49 40 12 18 11 47
Wakayama MODERATE 55 55 48 14 21 15 57
Yamagata MODERATE 56 56 44 15 18 10 51
Yamaguchi MODERATE 53 53 48 12 19 17 36
Yamanashi GOOD 32 32 36 4 7 12 66

Japan - Metro Cities AQI

29
53
AQI (IN)
AQI (US)
13˚C / 72%
42
45
AQI (IN)
AQI (US)
18˚C / 32%
29
54
AQI (IN)
AQI (US)
12˚C / 67%
46
43
AQI (IN)
AQI (US)
15˚C / 36%
43
59
AQI (IN)
AQI (US)
18˚C / 30%
30
50
AQI (IN)
AQI (US)
12˚C / 67%
36
68
AQI (IN)
AQI (US)
10˚C / 66%


Historic Air Quality Graph of Japan

Best

Oct 1, 2020

Worst

Oct 1, 2020

0

Explore an insightful air pollution data for last 24 hrs, 7 days & 1 month





FAQs of Japan's Air Quality Index

(Frequently Asked Questions)


Some facts about air pollution level in Japan and what quality of air you breathe in your region.


The real-time air quality in Japan is 41 MODERATE AQI now. This was last updated 18 minutes ago .

The current concentration of PM2.5 in Japan is 4 (µg/m³). The World Health Organisation (WHO) recommends 15 µg/m³ as the threshold concentration of PM2.5 for 24 hrs mean. Currently, the concentration is 0.16 times the recommended limit.

Generally, the air quality at Japan starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.

You should wear a good N95 mask when you go outdoor in Japan until the AQI is improving upto moderate range.

Office going people should avoid personal vehicles and use public transportations or carpooling.

(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.

(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.

Indoor air pollution in Japan is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.

In Japan, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in Japan is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.



World's Most Polluted Cities & Countries AQI Ranking

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Air Quality Solutions for Japan

Find out Prana Air's air quality monitors & solutions to fight air pollution in your city.



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Keep a track of Japan Air Pollution Level On “AQI Air Quality App

Know what you breathe and the quality of air in your city and nearby locations. Real-time AQI, map, weather & fire data, health advice with insightful & analytical dashboards.

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