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Air quality in King County

Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 21:00, Sep 27 Local time

Three Queens Fire, Washington, USA nearby

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US AQI⁺

Good

Main pollutant:

PM2.5

3.1 µg/m³

9°

3 km/h

81 %

Hourly forecast

King County air quality index (AQI⁺) forecast

Now

9°

km/h

81%

22:00

9°

km/h

81%

23:00

9°

km/h

81%

Mon

00:00

9°

km/h

80%

01:00

9°

km/h

80%

02:00

8°

km/h

82%

03:00

8°

km/h

80%

04:00

8°

km/h

84%

05:00

7°

km/h

86%

06:00

8°

km/h

83%

07:00

8°

km/h

77%

08:00

8°

km/h

73%

09:00

10°

km/h

77%

10:00

12°

km/h

69%

11:00

11°

km/h

70%

12:00

13°

km/h

64%

13:00

15°

km/h

56%

14:00

15°

km/h

50%

15:00

16°

km/h

44%

16:00

15°

km/h

44%

17:00

14°

km/h

46%

18:00

14°

km/h

48%

19:00

13°

km/h

57%

20:00

13°

km/h

63%

21:00

12°

km/h

69%

22:00

11°

km/h

70%

23:00

10°

km/h

72%

Tue

00:00

10°

km/h

78%

01:00

10°

km/h

85%

02:00

10°

km/h

87%

03:00

9°

km/h

83%

04:00

10°

km/h

74%

05:00

10°

km/h

67%

06:00

80%

10°

km/h

71%

07:00

90%

9°

km/h

78%

08:00

80%

9°

km/h

83%

09:00

9°

km/h

86%

10:00

80%

10°

km/h

85%

11:00

80%

10°

km/h

88%

12:00

11°

km/h

86%

13:00

80%

11°

km/h

89%

14:00

80%

11°

km/h

90%

15:00

11°

km/h

92%

16:00

80%

11°

km/h

92%

17:00

80%

11°

km/h

95%

18:00

11°

km/h

97%

19:00

10°

km/h

98%

20:00

80%

10°

km/h

99%

21:00

80%

10°

km/h

99%

22:00

9°

km/h

99%

23:00

8°

km/h

98%

Wed

00:00

8°

km/h

96%

01:00

7°

km/h

93%

02:00

7°

km/h

92%

03:00

6°

km/h

91%

04:00

5°

km/h

92%

05:00

4°

km/h

94%

06:00

3°

km/h

95%

07:00

3°

km/h

95%

08:00

4°

km/h

94%

09:00

7°

km/h

85%

10:00

9°

km/h

73%

11:00

11°

km/h

62%

12:00

12°

km/h

56%

13:00

13°

km/h

52%

14:00

14°

km/h

49%

15:00

14°

km/h

47%

16:00

14°

km/h

45%

17:00

14°

km/h

47%

18:00

11°

km/h

61%

19:00

7°

km/h

79%

20:00

6°

km/h

85%

Daily forecast

King County air quality index (AQI⁺) forecast

Today

16°

8°

km/h

62%

Mon

90%

11°

9°

km/h

90%

Tue

14°

3°

km/h

70%

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

Low

Tree

None

Grass

None

Weed

Low

25%

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

Low

Tree

None

Grass

None

Weed

Low

25%

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	29
2	29035 NE 22nd St	21
3	322nd Avenue Northeast	20
4	Ames Lake East	18
5	311th NE & NE 139th Duvall	17
6	6214 284th Way Northeast	14
7	174th Avenue Southeast	12
8	337th Place Northeast	12
9	Cumberland Kanasket Road Southeast	11
10	Ames Lake Forest/Tree Farm	4

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Falcon Heights, Minnesota	77
2	Lilydale, Minnesota	67
3	Peaceful Valley, Washington	65
4	Kendall, Washington	64
5	St. Paul, Minnesota	62
6	Cicero, Illinois	61
7	Ferry Pass, Florida	61
8	Mesa, Arizona	61
9	Minneapolis, Minnesota	61
10	North Platte, Nebraska	61

History

Historic air quality graph for King County

17 AQI⁺ US

Good

21:00–22:00 Sep 27 Local time

AQI⁺ US

History

Historic air quality graph for King County

17 AQI⁺ US

Good

21:00–22:00 Sep 27 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	29
2	29035 NE 22nd St	21
3	322nd Avenue Northeast	20
4	Ames Lake East	18
5	311th NE & NE 139th Duvall	17
6	6214 284th Way Northeast	14
7	174th Avenue Southeast	12
8	337th Place Northeast	12
9	Cumberland Kanasket Road Southeast	11
10	Ames Lake Forest/Tree Farm	4

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Falcon Heights, Minnesota	77
2	Lilydale, Minnesota	67
3	Peaceful Valley, Washington	65
4	Kendall, Washington	64
5	St. Paul, Minnesota	62
6	Cicero, Illinois	61
7	Ferry Pass, Florida	61
8	Mesa, Arizona	61
9	Minneapolis, Minnesota	61
10	North Platte, Nebraska	61