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Air quality in King County

Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 07:00, Sep 22 Local time

Three Queens Fire, Washington, USA nearby

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US AQI⁺

Good

Main pollutant:

O₃

34 µg/m³

10°

1 km/h

96 %

Hourly forecast

King County air quality index (AQI⁺) forecast

Now

10°

km/h

96%

08:00

10°

km/h

96%

09:00

10°

km/h

95%

10:00

10°

km/h

94%

11:00

10°

km/h

93%

12:00

80%

10°

km/h

95%

13:00

90%

10°

km/h

95%

14:00

80%

11°

km/h

96%

15:00

11°

km/h

96%

16:00

70%

11°

km/h

96%

17:00

12°

km/h

89%

18:00

11°

km/h

91%

19:00

70%

11°

km/h

92%

20:00

10°

km/h

96%

21:00

10°

km/h

95%

22:00

10°

km/h

91%

23:00

10°

km/h

91%

Wed

00:00

9°

km/h

90%

01:00

70%

9°

km/h

89%

02:00

8°

km/h

83%

03:00

8°

km/h

88%

04:00

8°

km/h

85%

05:00

8°

km/h

85%

06:00

8°

km/h

85%

07:00

8°

km/h

85%

08:00

8°

km/h

88%

09:00

9°

km/h

86%

10:00

10°

km/h

83%

11:00

10°

km/h

78%

12:00

13°

km/h

65%

13:00

14°

km/h

50%

14:00

14°

km/h

45%

15:00

15°

km/h

48%

16:00

14°

km/h

52%

17:00

14°

km/h

57%

18:00

14°

km/h

56%

19:00

10°

km/h

71%

20:00

9°

km/h

77%

21:00

8°

km/h

79%

22:00

7°

km/h

85%

23:00

7°

km/h

89%

Thu

00:00

7°

km/h

88%

01:00

7°

km/h

88%

02:00

6°

km/h

89%

03:00

6°

km/h

88%

04:00

7°

km/h

86%

05:00

6°

km/h

87%

06:00

6°

km/h

86%

07:00

6°

km/h

83%

08:00

8°

km/h

73%

09:00

10°

km/h

65%

10:00

12°

km/h

61%

11:00

11°

km/h

64%

12:00

14°

km/h

54%

13:00

14°

km/h

55%

14:00

15°

km/h

52%

15:00

14°

km/h

51%

16:00

14°

km/h

53%

17:00

12°

km/h

65%

18:00

10°

km/h

80%

19:00

9°

km/h

86%

20:00

8°

km/h

91%

21:00

80%

8°

km/h

97%

22:00

80%

8°

km/h

97%

23:00

8°

km/h

97%

Fri

00:00

8°

km/h

96%

01:00

8°

km/h

97%

02:00

8°

km/h

99%

03:00

80%

8°

km/h

99%

04:00

80%

8°

km/h

99%

05:00

7°

km/h

100%

06:00

70%

8°

km/h

100%

Daily forecast

King County air quality index (AQI⁺) forecast

Today

12°

10°

km/h

94%

Wed

15°

7°

km/h

70%

Thu

15°

6°

km/h

71%

Air pollutants

What is the current air quality in King County?

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

Real-time King County air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in King County

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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.

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Powerful, stylish air purifiers

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

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Pollen

What is the pollen count in King County today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast in King County

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time King County air pollution map

Pollen

What is the pollen count in King County today?

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast in King County

Protect yourself from air pollution in King County

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 King County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in King County

#	Stations	AQI⁺ US
1	22612-22400 SE 329th St	13
2	12339-12347 202nd Pl SE	9
3	29035 NE 22nd St	9
4	311th NE & NE 139th Duvall	8
5	322nd Avenue Northeast	8
6	6214 284th Way Northeast	7
7	Ames Lake East	7
8	174th Avenue Southeast	6
9	337th Place Northeast	3
10	Ames Lake Forest/Tree Farm	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Chelan, Washington	88
2	Okanogan, Washington	77
3	Lincoln, Oregon	76
4	Oakhurst, California	75
5	El Portal, California	72
6	Beaumont, California	65
7	Calcasieu, Louisiana	65
8	Baton Rouge, Louisiana	64
9	New Braunfels, Texas	62
10	Avenal, California	61

History

Historic air quality graph for King County

8 AQI⁺ US

Good

06:00–07:00 Sep 22 Local time

AQI⁺ US

History

Historic air quality graph for King County

8 AQI⁺ US

Good

06:00–07:00 Sep 22 Local time

AQI⁺ US

Most polluted locations near King County

Worldwide AQI⁺ ranking

Station ranking

Real-time AQI⁺ station ranking for stations in King County

#	Stations	AQI⁺ US
1	22612-22400 SE 329th St	13
2	12339-12347 202nd Pl SE	9
3	29035 NE 22nd St	9
4	311th NE & NE 139th Duvall	8
5	322nd Avenue Northeast	8
6	6214 284th Way Northeast	7
7	Ames Lake East	7
8	174th Avenue Southeast	6
9	337th Place Northeast	3
10	Ames Lake Forest/Tree Farm	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Chelan, Washington	88
2	Okanogan, Washington	77
3	Lincoln, Oregon	76
4	Oakhurst, California	75
5	El Portal, California	72
6	Beaumont, California	65
7	Calcasieu, Louisiana	65
8	Baton Rouge, Louisiana	64
9	New Braunfels, Texas	62
10	Avenal, California	61