Primary Pollutant

Aqi Boy Image

Last Updated: 59 minutes ago

19

(AQI-IN)

30

(AQI-US)

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Pollutants

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Pm 2.5 icon
7 (PM 2.5)
Pm 10 icon
16 (PM 10)
Sulphur Dioxide Icon
2 (SO2)
Ozone icon
11 (Ozone)
Nitrogen Dioxide Icon
5 (NO2)
Air Pollution Level in Japan
LOCATIONS Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
Aichi GOOD 17 17 14 3 10 27 81
Akita GOOD 46 46 27 11 27 21 80
Aomori GOOD 43 43 22 10 17 23 87
Chiba GOOD 27 27 23 5 22 27 89
Ehime GOOD 47 47 25 12 19 26 83
Fukui GOOD 46 46 25 12 19 28 76
Fukuoka GOOD 49 49 25 12 22 27 89
Fukushima GOOD 28 28 15 7 12 23 81
Gifu GOOD 27 27 17 6 15 28 75
Gunma GOOD 31 31 16 7 13 26 93
Hiroshima MODERATE 51 51 26 14 22 28 72
Hokkaido GOOD 24 24 14 6 7 23 87
Hyogo GOOD 29 29 17 7 13 27 77
Ibaraki GOOD 26 26 20 6 19 27 92
Ishikawa GOOD 48 48 30 12 18 28 73
Iwate GOOD 25 25 14 5 11 24 90
Kagawa MODERATE 64 64 33 18 29 27 84
Kagoshima GOOD 37 37 24 8 14 28 70
Kanagawa GOOD 25 25 22 4 21 27 85
Kochi MODERATE 55 55 26 15 20 25 85
Kumamoto GOOD 34 34 18 8 17 25 94
Kyoto GOOD 20 20 12 5 9 27 80
Mie GOOD 20 20 14 4 10 26 87
Miyagi GOOD 25 25 14 6 11 25 89
Miyazaki GOOD 39 39 19 9 16 26 93
Nagano GOOD 31 31 22 7 12 24 80
Nagasaki GOOD 41 41 21 10 19 27 88
Nara GOOD 20 20 13 4 7 27 76
Niigata GOOD 37 37 22 9 12 28 72
Oita GOOD 32 32 15 8 11 27 81
Okayama MODERATE 65 65 33 19 29 27 78
Okinawa GOOD 18 18 16 3 12 28 89
Osaka GOOD 20 20 13 5 10 28 77
Saga GOOD 47 47 25 11 25 28 88
Saitama GOOD 25 25 19 5 19 27 89
Shiga GOOD 22 22 13 5 10 28 79
Shimane MODERATE 59 59 35 15 30 27 82
Shizuoka GOOD 16 16 12 3 9 26 93
Tochigi GOOD 23 23 15 5 13 26 94
Tokushima MODERATE 59 59 27 16 17 27 78
Tokyo GOOD 21 21 22 1 21 27 86
Tottori MODERATE 64 64 31 18 25 26 72
Toyama MODERATE 51 51 28 13 24 27 81
Wakayama GOOD 24 24 15 6 12 27 80
Yamagata GOOD 43 43 21 11 13 25 85
Yamaguchi GOOD 36 36 17 9 13 27 77
Yamanashi GOOD 20 20 15 4 12 23 95
Big Cities of Japan


Historical Data

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Best

Oct 1, 2020

Worst

Oct 1, 2020

0

Historic air quality index graph of Japan





How do we calculate Air Quality Index ?

Air Quality Index (AQI) is a numerical value indicative of the aggregate levels of major pollutants in the ambient air. The more the AQI value, the more polluted the ambient air. It is descriptive of the magnitude of air pollution at a particular location.


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Air Quality Solutions in Japan

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FAQs

(Frequently Asked Questions)


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The real-time AQI in Japan is 20 (GOOD). This reading was last taken 59 minutes ago .

The current concentration of PM2.5 in Japan is 4 (µg/m³). The World Health Organisation (WHO) recommends 25 µg/m³ as the threshold concentration of PM2.5. 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.