Primary Pollutant

Aqi Boy Image

Last Updated: 26 minutes ago

25

(AQI-IN)

40

(AQI-US)

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Pollutants

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Pm 2.5 icon
10 (PM 2.5)
Pm 10 icon
14 (PM 10)
Sulphur Dioxide Icon
1 (SO2)
Ozone icon
21 (Ozone)
Nitrogen Dioxide Icon
13 (NO2)
Air Pollution Level in Japan
LOCATIONS Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
Aichi GOOD 25 25 19 4 11 17 71
Akita GOOD 34 34 23 8 11 14 86
Aomori GOOD 33 33 16 8 11 15 78
Chiba GOOD 40 40 23 10 20 15 92
Ehime GOOD 35 35 28 8 12 16 72
Fukui GOOD 28 28 16 7 8 15 83
Fukuoka MODERATE 68 68 44 20 24 17 65
Fukushima GOOD 24 24 16 6 6 12 85
Gifu GOOD 33 33 22 8 10 16 67
Gunma GOOD 42 42 20 10 14 13 90
Hiroshima GOOD 45 45 27 11 15 16 64
Hokkaido GOOD 36 36 23 9 10 13 76
Hyogo GOOD 43 43 20 11 15 16 76
Ibaraki GOOD 28 28 19 6 12 15 94
Ishikawa GOOD 30 30 30 6 6 17 67
Iwate GOOD 38 38 16 9 11 13 88
Kagawa GOOD 48 48 28 12 16 17 76
Kagoshima GOOD 49 49 43 12 13 18 63
Kanagawa GOOD 38 38 21 8 18 16 87
Kochi GOOD 41 41 24 11 9 19 66
Kumamoto MODERATE 54 54 39 15 18 17 61
Kyoto GOOD 32 32 16 8 10 15 79
Mie GOOD 38 38 24 10 10 16 79
Miyagi GOOD 28 28 17 6 10 16 78
Miyazaki MODERATE 61 61 36 18 15 16 74
Nagano GOOD 34 34 23 8 10 13 78
Nagasaki MODERATE 58 58 47 15 19 17 63
Nara GOOD 41 41 20 10 12 15 75
Niigata GOOD 24 24 23 5 8 16 83
Oita MODERATE 52 52 44 13 13 19 55
Okayama MODERATE 52 52 26 14 17 16 84
Okinawa GOOD 32 32 33 4 11 23 69
Osaka GOOD 37 37 18 9 12 17 69
Saga MODERATE 71 71 49 21 22 18 54
Saitama GOOD 43 43 20 11 16 15 90
Shiga GOOD 33 33 21 8 9 15 80
Shimane MODERATE 58 58 39 15 15 16 81
Shizuoka GOOD 29 29 20 7 8 17 67
Tochigi GOOD 23 23 18 4 14 14 95
Tokushima GOOD 46 46 26 12 11 17 79
Tokyo GOOD 34 34 25 6 23 15 89
Tottori GOOD 41 41 24 10 12 15 83
Toyama GOOD 30 30 27 5 5 16 78
Wakayama GOOD 29 29 22 6 9 18 69
Yamagata GOOD 33 33 16 8 7 13 92
Yamaguchi MODERATE 62 62 42 18 22 16 71
Yamanashi GOOD 42 42 24 10 10 15 86
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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FAQs

(Frequently Asked Questions)


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The real-time AQI in Japan is 42 (GOOD). This reading was last taken 26 minutes ago .

The current concentration of PM2.5 in Japan is 10 (µg/m³). The World Health Organisation (WHO) recommends 25 µg/m³ as the threshold concentration of PM2.5. Currently, the concentration is 0.40 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.