Air quality in Koshu

Air quality index (AQI⁺) and PM2.5 air pollution in Koshu • 13 Followers • 03:00, Apr 21 Local time

53

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

10 µg/m³

weather condition icon

10°

wind direction icon

3 km/h

weather humid icon

81 %

Hourly forecast

Koshu air quality index (AQI⁺) forecast

Now

53

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

3

km/h

Humidity icon

81%

04:00

53

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 333 degree

6

km/h

Humidity icon

78%

05:00

54

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 343 degree

3

km/h

Humidity icon

77%

06:00

55

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 320 degree

3

km/h

Humidity icon

76%

07:00

55

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

4

km/h

Humidity icon

76%

08:00

56

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

5

km/h

Humidity icon

82%

09:00

58

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

3

km/h

Humidity icon

80%

10:00

58

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 214 degree

3

km/h

Humidity icon

79%

11:00

58

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 249 degree

6

km/h

Humidity icon

67%

12:00

59

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 279 degree

5

km/h

Humidity icon

30%

13:00

57

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

4

km/h

Humidity icon

19%

14:00

55

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 309 degree

4

km/h

Humidity icon

11%

15:00

52

Weather icon

21°

IQAir AirVisual Air Quality Map Wind rotating 277 degree

4

km/h

Humidity icon

8%

16:00

47

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 328 degree

6

km/h

Humidity icon

9%

17:00

42

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 346 degree

6

km/h

Humidity icon

12%

18:00

38

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

5

km/h

Humidity icon

22%

19:00

37

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

6

km/h

Humidity icon

34%

20:00

37

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 56 degree

6

km/h

Humidity icon

41%

21:00

37

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 53 degree

5

km/h

Humidity icon

43%

22:00

39

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

5

km/h

Humidity icon

44%

23:00

41

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 44 degree

2

km/h

Humidity icon

44%

Wed

00:00

43

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 21 degree

1

km/h

Humidity icon

46%

01:00

48

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 312 degree

1

km/h

Humidity icon

50%

02:00

53

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

2

km/h

Humidity icon

54%

03:00

58

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 280 degree

1

km/h

Humidity icon

56%

04:00

59

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 359 degree

3

km/h

Humidity icon

60%

05:00

61

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 15 degree

2

km/h

Humidity icon

62%

06:00

63

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

1

km/h

Humidity icon

63%

07:00

62

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

2

km/h

Humidity icon

63%

08:00

62

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 230 degree

3

km/h

Humidity icon

58%

09:00

62

Weather icon

16°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

4

km/h

Humidity icon

49%

10:00

62

Weather icon

17°

IQAir AirVisual Air Quality Map Wind rotating 256 degree

5

km/h

Humidity icon

39%

11:00

62

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 251 degree

5

km/h

Humidity icon

31%

12:00

63

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 237 degree

7

km/h

Humidity icon

27%

13:00

62

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

9

km/h

Humidity icon

23%

14:00

62

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

12

km/h

Humidity icon

23%

15:00

62

Weather icon

20°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

15

km/h

Humidity icon

27%

16:00

62

Weather icon

19°

IQAir AirVisual Air Quality Map Wind rotating 226 degree

14

km/h

Humidity icon

30%

17:00

63

Weather icon

18°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

12

km/h

Humidity icon

38%

18:00

64

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 220 degree

6

km/h

Humidity icon

46%

19:00

64

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

5

km/h

Humidity icon

52%

20:00

65

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

3

km/h

Humidity icon

54%

21:00

66

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

3

km/h

Humidity icon

56%

22:00

66

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 224 degree

3

km/h

Humidity icon

57%

23:00

66

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 238 degree

1

km/h

Humidity icon

57%

Thu

00:00

67

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 20 degree

2

km/h

Humidity icon

57%

01:00

67

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 2 degree

4

km/h

Humidity icon

57%

02:00

67

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 15 degree

3

km/h

Humidity icon

55%

03:00

68

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 52 degree

2

km/h

Humidity icon

54%

04:00

67

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 28 degree

2

km/h

Humidity icon

56%

05:00

67

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 35 degree

3

km/h

Humidity icon

57%

06:00

67

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 59 degree

3

km/h

Humidity icon

58%

07:00

66

Weather icon

13°

IQAir AirVisual Air Quality Map Wind rotating 55 degree

2

km/h

Humidity icon

57%

08:00

66

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

3

km/h

Humidity icon

54%

09:00

66

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

6

km/h

Humidity icon

50%

10:00

65

Weather icon

15°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

7

km/h

Humidity icon

42%

11:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

9

km/h

Humidity icon

43%

12:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 108 degree

10

km/h

Humidity icon

47%

13:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

9

km/h

Humidity icon

46%

14:00

65

Weather icon

14°

IQAir AirVisual Air Quality Map Wind rotating 117 degree

9

km/h

Humidity icon

47%

15:00

65

Weather icon

12°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

7

km/h

Humidity icon

65%

16:00

64

Weather icon

90%

11°

IQAir AirVisual Air Quality Map Wind rotating 109 degree

6

km/h

Humidity icon

78%

17:00

64

Weather icon

11°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

6

km/h

Humidity icon

79%

18:00

64

Weather icon

10°

IQAir AirVisual Air Quality Map Wind rotating 74 degree

3

km/h

Humidity icon

79%

19:00

63

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 3 degree

2

km/h

Humidity icon

86%

20:00

62

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

3

km/h

Humidity icon

91%

21:00

62

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 308 degree

4

km/h

Humidity icon

92%

22:00

61

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

4

km/h

Humidity icon

93%

23:00

60

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 275 degree

3

km/h

Humidity icon

94%

Fri

00:00

60

Weather icon

90%

10°

IQAir AirVisual Air Quality Map Wind rotating 266 degree

4

km/h

Humidity icon

95%

01:00

59

Weather icon

90%

IQAir AirVisual Air Quality Map Wind rotating 292 degree

5

km/h

Humidity icon

95%

02:00

58

Weather icon

IQAir AirVisual Air Quality Map Wind rotating 317 degree

5

km/h

Humidity icon

94%

Daily forecast

|

Koshu air quality index (AQI⁺) forecast

Today

54

Weather icon

21°

12°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

14

km/h

Humidity icon

55%

Wed

52

Weather icon

21°

10°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

6

km/h

Humidity icon

43%

Thu

65

Weather icon

20°

10°

IQAir AirVisual Air Quality Map Wind rotating 225 degree

15

km/h

Humidity icon

43%

Air pollutants

What is the current air quality in Koshu?

IQAir exclamation icon

PM2.5 concentration is currently 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 Koshu

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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

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Pollen

What is the pollen count in Koshu today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Koshu

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 Koshu today?

Index

Pollen global icon

Moderate

Pollen tree icon

Tree

Moderate

50%
Pollen grass icon

Grass

None

0%
Pollen weed icon

Weed

None

0%

Source:

wetter.com
Pollen forecast in Koshu

Protect yourself from air pollution in Koshu

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 Koshu

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Koshu

#StationsAQI⁺ US
1
The national flag of Japan

Higashiyamanashi

53

City ranking

Real-time Japan AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Shikokuchuo, Ehime

65

2
The national flag of Japan

Sakai, Osaka

63

3
The national flag of Japan

Tsuchiura, Ibaraki

63

4
The national flag of Japan

Fukuoka, Fukuoka

62

5
The national flag of Japan

Saijo, Ehime

61

6
The national flag of Japan

Sapporo, Hokkaido

61

7
The national flag of Japan

Honjo, Saitama

60

8
The national flag of Japan

Sasebo, Nagasaki

60

9
The national flag of Japan

Kitakyushu, Fukuoka

58

10
The national flag of Japan

Fukuyama, Hiroshima

57

History

Historic air quality graph for Koshu

53 AQI⁺ US
Moderate
03:00–04:00 Apr 21 Local time
AQI⁺ US

History

Historic air quality graph for Koshu

53 AQI⁺ US
Moderate
03:00–04:00 Apr 21 Local time
AQI⁺ US

Most polluted locations near Koshu

Worldwide AQI⁺ rankingArrow icon

Station ranking

Real-time AQI⁺ station ranking for stations in Koshu

#StationsAQI⁺ US
1
The national flag of Japan

Higashiyamanashi

53

City ranking

Real-time Japan AQI⁺ city ranking

#CitiesAQI⁺ US
1
The national flag of Japan

Shikokuchuo, Ehime

65

2
The national flag of Japan

Sakai, Osaka

63

3
The national flag of Japan

Tsuchiura, Ibaraki

63

4
The national flag of Japan

Fukuoka, Fukuoka

62

5
The national flag of Japan

Saijo, Ehime

61

6
The national flag of Japan

Sapporo, Hokkaido

61

7
The national flag of Japan

Honjo, Saitama

60

8
The national flag of Japan

Sasebo, Nagasaki

60

9
The national flag of Japan

Kitakyushu, Fukuoka

58

10
The national flag of Japan

Fukuyama, Hiroshima

57

Measure your own air quality

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Where is the cleanest air quality in Koshu?