Most Polluted Cities in Japan

Real-time air quality data from cities around the world Japan

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Most Polluted CitiesBest Air Quality Cities

Real-time air pollution rankings for 100 cities across Japan. See which cities have the highest pollution levels and worst air quality.

1

Toyota

Japan

65

AQI

2

Kasugai

Japan

61

AQI

3

Ichinomiya

Japan

61

AQI

4

Nagoya

Japan

61

AQI

5

Toyohashi

Japan

59

AQI

6

Okazaki

Japan

59

AQI

7

Yokkaichi

Japan

57

AQI

8

Takatsuki

Japan

54

AQI

9

Suita

Japan

54

AQI

10

Toyonaka

Japan

54

AQI

11

Hirakata

Japan

54

AQI

12

Amagasaki

Japan

54

AQI

13

Higashiosaka

Japan

54

AQI

14

Osaka

Japan

54

AQI

15

Sakai

Japan

52

AQI

16

Oita

Japan

51

AQI

17

Toshima

Japan

49

AQI

18

Nakano

Japan

49

AQI

19

Tokorozawa

Japan

49

AQI

20

Nakano

Japan

49

AQI

21

Tokorozawa

Japan

49

AQI

22

Shinjuku

Japan

49

AQI

23

Shinjuku

Japan

49

AQI

24

Kita

Japan

49

AQI

25

Shinagawa

Japan

49

AQI

26

Shinagawa

Japan

49

AQI

27

Machida

Japan

49

AQI

28

Suginami

Japan

49

AQI

29

Itabashi

Japan

49

AQI

30

Nerima

Japan

49

AQI

31

Ota

Japan

49

AQI

32

Setagaya

Japan

49

AQI

33

Setagaya

Japan

49

AQI

34

Kawasaki

Japan

49

AQI

35

Yokohama

Japan

49

AQI

36

Tokyo

Japan

49

AQI

37

Miyazaki

Japan

47

AQI

38

Kurume

Japan

44

AQI

39

Wakayama

Japan

43

AQI

40

Fukuoka

Japan

43

AQI

41

Nara

Japan

42

AQI

42

Sapporo

Japan

41

AQI

43

Kumamoto

Japan

40

AQI

44

Hamamatsu

Japan

40

AQI

45

Sendai

Japan

40

AQI

46

Yokosuka

Japan

39

AQI

47

Fujisawa

Japan

39

AQI

48

Katsushika

Japan

39

AQI

49

Katsushika

Japan

39

AQI

50

Matsudo

Japan

39

AQI

51

Matsudo

Japan

39

AQI

52

Ichikawa

Japan

39

AQI

53

Koto

Japan

39

AQI

54

Funabashi

Japan

39

AQI

55

Edogawa

Japan

39

AQI

56

Adachi

Japan

39

AQI

57

Adachi

Japan

39

AQI

58

Chiba

Japan

39

AQI

59

Koriyama

Japan

38

AQI

60

Nishinomiya

Japan

36

AQI

61

Kobe

Japan

36

AQI

62

Gifu

Japan

35

AQI

63

Hachioji

Japan

35

AQI

64

Shizuoka

Japan

35

AQI

65

Sagamihara

Japan

35

AQI

66

Sagamihara

Japan

35

AQI

67

Naha

Japan

34

AQI

68

Akita

Japan

33

AQI

69

Niigata

Japan

33

AQI

70

Koshigaya

Japan

32

AQI

71

Koshigaya

Japan

32

AQI

72

Kawagoe

Japan

32

AQI

73

Nagasaki

Japan

32

AQI

74

Kawaguchi

Japan

32

AQI

75

Saitama

Japan

32

AQI

76

Maebashi

Japan

31

AQI

77

Takasaki

Japan

31

AQI

78

Takasaki

Japan

31

AQI

79

Iwaki

Japan

30

AQI

80

Asahikawa

Japan

28

AQI

81

Otsu

Japan

28

AQI

82

Kashiwa

Japan

28

AQI

83

Kashiwa

Japan

28

AQI

84

Utsunomiya

Japan

28

AQI

85

Kagoshima

Japan

28

AQI

86

Kitakyushu

Japan

28

AQI

87

Himeji

Japan

26

AQI

88

Okayama

Japan

26

AQI

89

Kochi

Japan

25

AQI

90

Toyama

Japan

25

AQI

91

Kyoto

Japan

25

AQI

92

Takamatsu

Japan

24

AQI

93

Sakaide

Japan

24

AQI

94

Marugame

Japan

24

AQI

95

Fukuyama

Japan

24

AQI

96

Kanazawa

Japan

24

AQI

97

Kurashiki

Japan

24

AQI

98

Matsuyama

Japan

24

AQI

99

Nagano

Japan

23

AQI

100

Hiroshima

Japan

23

AQI

Understanding Air Quality Index

0-50

Good

Air quality is satisfactory, and air pollution poses little or no risk.

51-100

Moderate

Air quality is acceptable. However, there may be a risk for some people.

101-150

Unhealthy for Sensitive Groups

Members of sensitive groups may experience health effects.

151-200

Unhealthy

Everyone may begin to experience health effects.

201-300

Very Unhealthy

Health alert: everyone may experience more serious health effects.

301+

Hazardous

Health warnings of emergency conditions. The entire population is likely to be affected.

The Air Quality Index (AQI) is a scale from 0 to 500 that measures air pollution levels. Poor air quality can cause respiratory issues, cardiovascular problems, and other health concerns.

Source: US EPA Air Quality Index

Last updated: Oct 23, 2026 2:07 AM