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Air quality in King County

Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 13:00, Sep 26 Local time

Three Queens Fire, Washington, USA nearby

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US AQI⁺

Good

Main pollutant:

O₃

58 µg/m³

10°

7 km/h

71 %

Hourly forecast

King County air quality index (AQI⁺) forecast

Now

10°

km/h

71%

14:00

11°

km/h

66%

15:00

11°

km/h

68%

16:00

11°

km/h

68%

17:00

11°

km/h

71%

18:00

10°

km/h

70%

19:00

9°

km/h

70%

20:00

8°

km/h

77%

21:00

7°

km/h

81%

22:00

6°

km/h

89%

23:00

6°

km/h

96%

Sun

00:00

6°

km/h

98%

01:00

6°

km/h

98%

02:00

5°

km/h

95%

03:00

6°

km/h

84%

04:00

6°

km/h

87%

05:00

6°

km/h

83%

06:00

6°

km/h

84%

07:00

6°

km/h

84%

08:00

6°

km/h

86%

09:00

7°

km/h

80%

10:00

9°

km/h

70%

11:00

10°

km/h

63%

12:00

12°

km/h

61%

13:00

13°

km/h

56%

14:00

13°

km/h

51%

15:00

14°

km/h

50%

16:00

14°

km/h

53%

17:00

13°

km/h

56%

18:00

12°

km/h

62%

19:00

11°

km/h

66%

20:00

10°

km/h

70%

21:00

9°

km/h

79%

22:00

8°

km/h

86%

23:00

9°

km/h

73%

Mon

00:00

8°

km/h

76%

01:00

8°

km/h

80%

02:00

7°

km/h

82%

03:00

8°

km/h

77%

04:00

8°

km/h

72%

05:00

8°

km/h

64%

06:00

8°

km/h

57%

07:00

8°

km/h

56%

08:00

8°

km/h

57%

09:00

9°

km/h

61%

10:00

11°

km/h

54%

11:00

13°

km/h

52%

12:00

14°

km/h

48%

13:00

15°

km/h

47%

14:00

16°

km/h

42%

15:00

16°

km/h

37%

16:00

15°

km/h

39%

17:00

14°

km/h

46%

18:00

12°

km/h

58%

19:00

10°

km/h

64%

20:00

9°

km/h

70%

21:00

10°

km/h

72%

22:00

9°

km/h

82%

23:00

8°

km/h

87%

Tue

00:00

7°

km/h

90%

01:00

7°

km/h

89%

02:00

9°

km/h

78%

03:00

9°

km/h

74%

04:00

9°

km/h

72%

05:00

10°

km/h

71%

06:00

10°

km/h

70%

07:00

9°

km/h

77%

08:00

9°

km/h

84%

09:00

9°

km/h

87%

10:00

9°

km/h

89%

11:00

10°

km/h

82%

12:00

12°

km/h

76%

Daily forecast

King County air quality index (AQI⁺) forecast

Today

11°

6°

km/h

77%

Sun

14°

6°

km/h

68%

Mon

16°

8°

km/h

55%

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.

Atem Series

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	25
2	322nd Avenue Northeast	17
3	311th NE & NE 139th Duvall	16
4	29035 NE 22nd St	6
5	Cumberland Kanasket Road Southeast	6
6	12339-12347 202nd Pl SE	3
7	337th Place Northeast	3
8	6214 284th Way Northeast	2
9	174th Avenue Southeast	1
10	Ames Lake East	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Rapid City, South Dakota	135
2	Austin, Texas	98
3	Los Angeles, California	96
4	Fort Worth, Texas	91
5	Dallas, Texas	88
6	Glendale, Arizona	88
7	Glendora, California	88
8	Eddy County, New Mexico	78
9	Phoenix, Arizona	78
10	Round Rock, Texas	78

History

Historic air quality graph for King County

11 AQI⁺ US

Good

12:00–13:00 Sep 26 Local time

AQI⁺ US

History

Historic air quality graph for King County

11 AQI⁺ US

Good

12:00–13:00 Sep 26 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	25
2	322nd Avenue Northeast	17
3	311th NE & NE 139th Duvall	16
4	29035 NE 22nd St	6
5	Cumberland Kanasket Road Southeast	6
6	12339-12347 202nd Pl SE	3
7	337th Place Northeast	3
8	6214 284th Way Northeast	2
9	174th Avenue Southeast	1
10	Ames Lake East	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Rapid City, South Dakota	135
2	Austin, Texas	98
3	Los Angeles, California	96
4	Fort Worth, Texas	91
5	Dallas, Texas	88
6	Glendale, Arizona	88
7	Glendora, California	88
8	Eddy County, New Mexico	78
9	Phoenix, Arizona	78
10	Round Rock, Texas	78