Mt St Helens

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Air quality near Mt St Helens, Cowlitz County

Air quality index (AQI⁺) and PM2.5 air pollution near Mt St Helens, Cowlitz County • 31 Followers

No current dataLast update 01:00, Sep 25 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

0.4 µg/m³

9°

5 km/h

69 %

Data source: PurpleAir

Hourly forecast

Mt St Helens, Cowlitz County air quality index (AQI⁺) forecast

12:00

11°

km/h

65%

13:00

11°

km/h

64%

14:00

12°

km/h

64%

15:00

12°

km/h

64%

16:00

11°

km/h

70%

17:00

12°

km/h

66%

18:00

10°

km/h

72%

19:00

9°

km/h

80%

20:00

8°

km/h

71%

21:00

8°

km/h

54%

22:00

8°

km/h

58%

23:00

7°

km/h

59%

00:00

7°

km/h

62%

01:00

7°

km/h

64%

02:00

7°

km/h

65%

03:00

7°

km/h

61%

04:00

6°

km/h

54%

05:00

6°

km/h

45%

06:00

6°

km/h

44%

07:00

6°

km/h

41%

08:00

8°

km/h

41%

09:00

10°

km/h

46%

10:00

12°

km/h

39%

11:00

14°

km/h

39%

12:00

14°

km/h

41%

13:00

15°

km/h

46%

14:00

15°

km/h

51%

15:00

15°

km/h

55%

16:00

14°

km/h

61%

17:00

13°

km/h

63%

18:00

12°

km/h

67%

19:00

10°

km/h

73%

20:00

9°

km/h

82%

21:00

8°

km/h

85%

22:00

8°

km/h

83%

23:00

8°

km/h

74%

00:00

9°

km/h

68%

01:00

9°

km/h

65%

02:00

8°

km/h

58%

03:00

8°

km/h

61%

04:00

8°

km/h

70%

05:00

8°

km/h

58%

06:00

9°

km/h

38%

07:00

8°

km/h

28%

08:00

9°

km/h

29%

09:00

10°

km/h

41%

10:00

12°

km/h

34%

11:00

13°

km/h

31%

12:00

14°

km/h

34%

13:00

15°

km/h

38%

14:00

15°

km/h

41%

15:00

14°

km/h

45%

16:00

13°

km/h

46%

17:00

12°

km/h

50%

18:00

12°

km/h

65%

19:00

8°

km/h

82%

20:00

7°

km/h

87%

21:00

7°

km/h

90%

22:00

7°

km/h

93%

23:00

7°

km/h

95%

00:00

7°

km/h

94%

01:00

7°

km/h

88%

02:00

8°

km/h

74%

03:00

9°

km/h

67%

04:00

9°

km/h

67%

05:00

9°

km/h

69%

06:00

9°

km/h

71%

07:00

9°

km/h

72%

08:00

9°

km/h

73%

09:00

9°

km/h

73%

10:00

9°

km/h

74%

Daily forecast

Mt St Helens, Cowlitz County air quality index (AQI⁺) forecast

Today

12°

3°

km/h

74%

Sun

15°

6°

km/h

56%

Mon

15°

7°

km/h

51%

Air pollutants

What is the current air quality near Mt St Helens?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time Mt St Helens, Cowlitz County air pollution map

Pollen

What is the pollen count in Mt St Helens today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in Mt St Helens

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in Mt St Helens today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Mt St Helens

2 AQI⁺ US

Good

01:00–02:00 Sep 25 Local time

AQI⁺ US

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Most polluted locations near Mt St Helens, Cowlitz County

Worldwide AQI⁺ ranking

Station ranking

Real-time Mt St Helens AQI⁺ station ranking

#	Stations	AQI⁺ US
1	Green Mountain rd	23
2	Wilson Drive	12
3	663 Shadow Mountain Rd	6
4	Delameter Road	3

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Florence-Graham, California	81
2	Fort Worth, Texas	81
3	Avenal, California	80
4	Huntington Park, California	75
5	Jurupa Valley, California	73
6	Compton, California	72
7	Gardena, California	72
8	Orange, California	72
9	Inglewood, California	69
10	Round Rock, Texas	69