Air quality in Koyo

Air quality index (AQI⁺) and PM2.5 air pollution in Koyo • 195 Followers • 00:00, Apr 18 Local time

Tokai, Aichi, Japan Industrial Emissions  nearby

Tokai, Aichi, Japan Industrial Emissions nearby

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64*

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

15.9 µg/m³

weather condition icon

15°

wind direction icon

6 km/h

weather humid icon

67 %

Hourly forecast

Koyo air quality index (AQI⁺) forecast

Now

64

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

6

km/h

Humidity icon

67%

03:00

65

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14°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

5

km/h

Humidity icon

69%

04:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

5

km/h

Humidity icon

71%

05:00

66

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 60 degree

7

km/h

Humidity icon

72%

06:00

67

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 47 degree

7

km/h

Humidity icon

72%

07:00

66

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 40 degree

9

km/h

Humidity icon

65%

08:00

66

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 27 degree

8

km/h

Humidity icon

59%

09:00

66

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18°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

5

km/h

Humidity icon

54%

10:00

65

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19°

IQAir AirVisual Air Quality Map Wind rotating 95 degree

3

km/h

Humidity icon

50%

11:00

64

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20°

IQAir AirVisual Air Quality Map Wind rotating 203 degree

4

km/h

Humidity icon

45%

12:00

64

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21°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

9

km/h

Humidity icon

43%

13:00

64

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21°

IQAir AirVisual Air Quality Map Wind rotating 245 degree

12

km/h

Humidity icon

43%

14:00

64

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21°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

11

km/h

Humidity icon

44%

15:00

65

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21°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

9

km/h

Humidity icon

42%

16:00

64

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21°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

9

km/h

Humidity icon

41%

17:00

64

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

11

km/h

Humidity icon

44%

18:00

64

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19°

IQAir AirVisual Air Quality Map Wind rotating 223 degree

14

km/h

Humidity icon

52%

19:00

63

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 215 degree

15

km/h

Humidity icon

57%

20:00

63

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

11

km/h

Humidity icon

57%

21:00

63

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

11

km/h

Humidity icon

57%

22:00

63

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 165 degree

10

km/h

Humidity icon

60%

23:00

64

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 163 degree

9

km/h

Humidity icon

64%

Sun

00:00

65

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 170 degree

8

km/h

Humidity icon

65%

01:00

64

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 188 degree

4

km/h

Humidity icon

68%

02:00

63

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

3

km/h

Humidity icon

70%

03:00

63

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 200 degree

1

km/h

Humidity icon

71%

04:00

63

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 332 degree

3

km/h

Humidity icon

72%

05:00

63

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 2 degree

4

km/h

Humidity icon

73%

06:00

63

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

5

km/h

Humidity icon

72%

07:00

62

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 345 degree

6

km/h

Humidity icon

67%

08:00

62

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 349 degree

5

km/h

Humidity icon

61%

09:00

62

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 359 degree

5

km/h

Humidity icon

54%

10:00

62

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20°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

3

km/h

Humidity icon

49%

11:00

62

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22°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

2

km/h

Humidity icon

44%

12:00

62

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

8

km/h

Humidity icon

43%

13:00

61

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 216 degree

12

km/h

Humidity icon

44%

14:00

61

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22°

IQAir AirVisual Air Quality Map Wind rotating 218 degree

15

km/h

Humidity icon

45%

15:00

61

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 213 degree

16

km/h

Humidity icon

45%

16:00

61

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 210 degree

15

km/h

Humidity icon

43%

17:00

61

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 207 degree

15

km/h

Humidity icon

43%

18:00

61

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 198 degree

15

km/h

Humidity icon

46%

19:00

62

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 190 degree

13

km/h

Humidity icon

51%

20:00

64

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 179 degree

12

km/h

Humidity icon

58%

21:00

66

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 169 degree

10

km/h

Humidity icon

61%

22:00

67

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

8

km/h

Humidity icon

63%

23:00

68

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

7

km/h

Humidity icon

66%

Mon

00:00

70

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

5

km/h

Humidity icon

68%

01:00

72

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

3

km/h

Humidity icon

70%

02:00

74

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

5

km/h

Humidity icon

73%

03:00

76

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 171 degree

4

km/h

Humidity icon

75%

04:00

76

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 136 degree

3

km/h

Humidity icon

75%

05:00

77

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

2

km/h

Humidity icon

76%

06:00

78

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

3

km/h

Humidity icon

75%

07:00

75

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

4

km/h

Humidity icon

72%

08:00

72

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

3

km/h

Humidity icon

70%

09:00

70

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 196 degree

8

km/h

Humidity icon

66%

10:00

68

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 207 degree

11

km/h

Humidity icon

62%

11:00

66

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

12

km/h

Humidity icon

57%

12:00

65

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 207 degree

14

km/h

Humidity icon

50%

13:00

63

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 196 degree

17

km/h

Humidity icon

45%

14:00

61

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

22

km/h

Humidity icon

45%

15:00

59

Weather icon

22°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

24

km/h

Humidity icon

50%

16:00

58

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 167 degree

23

km/h

Humidity icon

52%

17:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 173 degree

21

km/h

Humidity icon

52%

18:00

58

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

20

km/h

Humidity icon

57%

19:00

58

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 168 degree

19

km/h

Humidity icon

61%

20:00

58

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

17

km/h

Humidity icon

62%

21:00

58

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 149 degree

18

km/h

Humidity icon

61%

22:00

58

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

18

km/h

Humidity icon

61%

23:00

58

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

17

km/h

Humidity icon

62%

Tue

00:00

58

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

16

km/h

Humidity icon

64%

01:00

57

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 126 degree

15

km/h

Humidity icon

64%

Daily forecast

|

Koyo air quality index (AQI⁺) forecast

Today

65

Weather icon

20°

16°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

18

km/h

Humidity icon

61%

Sun

65

Weather icon

21°

14°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

15

km/h

Humidity icon

52%

Mon

67

Weather icon

22°

16°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

16

km/h

Humidity icon

52%

Air pollutants

What is the current air quality in Koyo?

IQAir exclamation icon

PM2.5 concentration is currently 3.2 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Protect yourself from air pollution in Koyo

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Pollen

What is the pollen count in Koyo today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Koyo

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier

Pollen

What is the pollen count in Koyo today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

Low

25%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Koyo

Protect yourself from air pollution in Koyo

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Most polluted locations near Koyo

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time Japan AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Imizu, Toyama

68

2
The national flag of Japan

Niihama, Ehime

68

3
The national flag of Japan

Fukuyama, Hiroshima

66

4
The national flag of Japan

Hiroshima, Hiroshima

64

5
The national flag of Japan

Kiyose, Tokyo

64

6
The national flag of Japan

Sakai, Osaka

64

7
The national flag of Japan

Takaishi, Osaka

64

8
The national flag of Japan

Takaoka, Toyama

63

9
The national flag of Japan

Ozu, Ehime

62

10
The national flag of Japan

Saijo, Ehime

61

History

Historic air quality graph for Koyo

64 AQI⁺ US
Moderate
00:00–01:00 Apr 18 Local time
AQI⁺ US

History

Historic air quality graph for Koyo

64 AQI⁺ US
Moderate
00:00–01:00 Apr 18 Local time
AQI⁺ US

Most polluted locations near Koyo

Worldwide AQI⁺ rankingArrow icon

City ranking

Real-time Japan AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Imizu, Toyama

68

2
The national flag of Japan

Niihama, Ehime

68

3
The national flag of Japan

Fukuyama, Hiroshima

66

4
The national flag of Japan

Hiroshima, Hiroshima

64

5
The national flag of Japan

Kiyose, Tokyo

64

6
The national flag of Japan

Sakai, Osaka

64

7
The national flag of Japan

Takaishi, Osaka

64

8
The national flag of Japan

Takaoka, Toyama

63

9
The national flag of Japan

Ozu, Ehime

62

10
The national flag of Japan

Saijo, Ehime

61

Be the first to measure and contribute air quality data to your community

Where is the cleanest air quality in Koyo?

No locations are available.