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Air quality in Koesan

Air quality index (AQI⁺) and PM2.5 air pollution in Koesan • 355 Followers • 03:00, Apr 20 Local time

77*

US AQI⁺

Moderate

Main pollutant:

PM2.5

23 µg/m³

14°

4 km/h

79 %

Hourly forecast

Koesan air quality index (AQI⁺) forecast

Now

14°

km/h

79%

06:00

14°

km/h

78%

07:00

15°

km/h

75%

08:00

17°

km/h

64%

09:00

18°

km/h

54%

10:00

18°

km/h

61%

11:00

17°

km/h

67%

12:00

16°

km/h

70%

13:00

17°

km/h

73%

14:00

15°

km/h

84%

15:00

13°

km/h

69%

16:00

11°

km/h

71%

17:00

11°

km/h

70%

18:00

120

10°

km/h

51%

19:00

120

9°

km/h

54%

20:00

120

7°

km/h

59%

21:00

6°

km/h

59%

22:00

6°

km/h

64%

23:00

5°

km/h

68%

Tue

00:00

5°

km/h

69%

01:00

4°

km/h

70%

02:00

4°

km/h

71%

03:00

104

4°

km/h

71%

04:00

104

4°

km/h

68%

05:00

104

4°

km/h

65%

06:00

109

4°

km/h

61%

07:00

109

6°

km/h

54%

08:00

109

9°

km/h

42%

09:00

12°

km/h

35%

10:00

14°

km/h

30%

11:00

15°

km/h

30%

12:00

17°

km/h

28%

13:00

18°

km/h

25%

14:00

20°

km/h

22%

15:00

20°

km/h

20%

16:00

19°

km/h

21%

17:00

17°

km/h

35%

18:00

15°

km/h

43%

19:00

12°

km/h

52%

20:00

11°

km/h

56%

21:00

11°

km/h

61%

22:00

10°

km/h

60%

23:00

10°

km/h

59%

Wed

00:00

10°

km/h

60%

01:00

10°

km/h

62%

02:00

10°

km/h

64%

03:00

9°

km/h

65%

04:00

9°

km/h

60%

05:00

10°

km/h

59%

06:00

10°

km/h

58%

07:00

11°

km/h

57%

08:00

12°

km/h

49%

09:00

13°

km/h

46%

10:00

14°

km/h

42%

11:00

15°

km/h

36%

12:00

16°

km/h

34%

13:00

17°

km/h

29%

14:00

18°

km/h

30%

15:00

18°

km/h

29%

16:00

18°

km/h

28%

17:00

18°

km/h

29%

18:00

16°

km/h

38%

19:00

13°

km/h

48%

20:00

12°

km/h

50%

21:00

11°

km/h

52%

22:00

11°

km/h

54%

23:00

10°

km/h

56%

Thu

00:00

10°

km/h

59%

01:00

9°

km/h

61%

02:00

9°

km/h

62%

03:00

9°

km/h

62%

04:00

8°

km/h

63%

Daily forecast

Koesan air quality index (AQI⁺) forecast

Today

27°

14°

km/h

41%

Tue

18°

6°

km/h

66%

Wed

20°

4°

km/h

40%

Air pollutants

What is the current air quality in Koesan?

PM2.5 concentration is currently 4.6 times the World Health Organization annual PM2.5 guideline value.

Real-time Koesan air pollution map

Health recommendations

Sensitive groups should reduce outdoor exercise

Close your windows to avoid dirty outdoor air

Get a monitor

Sensitive groups should wear a mask outdoors

Get a mask

Sensitive groups should run an air purifier

Discover Atem car

Health recommendations

Sensitive groups should reduce outdoor exercise

Close your windows to avoid dirty outdoor air

Get a monitor

Sensitive groups should wear a mask outdoors

Get a mask

Sensitive groups should run an air purifier

Discover Atem car

Real-time Koesan air pollution map

Most polluted locations near Koesan

Worldwide AQI⁺ ranking

City ranking

Real-time South Korea AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Iksan, Jeollabuk-do	122
2	Nonsan, Chungcheongnam-do	119
3	Cheonan, Chungcheongnam-do	110
4	Asan, Chungcheongnam-do	107
5	Jeongeup, Jeollabuk-do	107
6	Anseong, Gyeonggi-do	102
7	Seocheon, Chungcheongnam-do	96
8	Sejong, Sejong	94
9	Buan, Jeollabuk-do	93
10	Yeoju, Gyeonggi-do	93

History

Historic air quality graph for Koesan

77 AQI⁺ US

Moderate

03:00–04:00 Apr 20 Local time

AQI⁺ US

History

Historic air quality graph for Koesan

77 AQI⁺ US

Moderate

03:00–04:00 Apr 20 Local time

AQI⁺ US

Most polluted locations near Koesan

Worldwide AQI⁺ ranking

City ranking

Real-time South Korea AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Iksan, Jeollabuk-do	122
2	Nonsan, Chungcheongnam-do	119
3	Cheonan, Chungcheongnam-do	110
4	Asan, Chungcheongnam-do	107
5	Jeongeup, Jeollabuk-do	107
6	Anseong, Gyeonggi-do	102
7	Seocheon, Chungcheongnam-do	96
8	Sejong, Sejong	94
9	Buan, Jeollabuk-do	93
10	Yeoju, Gyeonggi-do	93