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Air quality in King County

Air quality index (AQI⁺) and PM2.5 air pollution in King County • 02:00, Jun 10 Local time

US AQI⁺

Good

Main pollutant:

PM2.5

1.1 µg/m³

7°

12 km/h

99 %

Hourly forecast

King County air quality index (AQI⁺) forecast

Now

7°

km/h

99%

03:00

50%

7°

km/h

99%

04:00

90%

6°

km/h

99%

05:00

90%

6°

km/h

99%

06:00

5°

km/h

99%

07:00

90%

6°

km/h

99%

08:00

90%

6°

km/h

97%

09:00

6°

km/h

96%

10:00

90%

7°

km/h

98%

11:00

90%

7°

km/h

98%

12:00

8°

km/h

93%

13:00

10°

km/h

76%

14:00

11°

km/h

71%

15:00

12°

km/h

66%

16:00

11°

km/h

71%

17:00

9°

km/h

88%

18:00

10°

km/h

84%

19:00

11°

km/h

79%

20:00

10°

km/h

82%

21:00

9°

km/h

84%

22:00

10°

km/h

83%

23:00

9°

km/h

85%

Thu

00:00

90%

8°

km/h

94%

01:00

90%

8°

km/h

93%

02:00

8°

km/h

91%

03:00

8°

km/h

85%

04:00

7°

km/h

84%

05:00

7°

km/h

85%

06:00

7°

km/h

84%

07:00

8°

km/h

82%

08:00

8°

km/h

81%

09:00

10°

km/h

76%

10:00

11°

km/h

70%

11:00

12°

km/h

66%

12:00

13°

km/h

64%

13:00

14°

km/h

64%

14:00

14°

km/h

66%

15:00

15°

km/h

65%

16:00

15°

km/h

63%

17:00

15°

km/h

63%

18:00

15°

km/h

65%

19:00

15°

km/h

65%

20:00

13°

km/h

68%

21:00

12°

km/h

64%

22:00

11°

km/h

56%

23:00

10°

km/h

69%

Fri

00:00

9°

km/h

80%

01:00

8°

km/h

80%

02:00

7°

km/h

77%

03:00

8°

km/h

71%

04:00

7°

km/h

72%

05:00

7°

km/h

73%

06:00

6°

km/h

76%

07:00

9°

km/h

64%

08:00

11°

km/h

55%

09:00

13°

km/h

50%

10:00

14°

km/h

46%

11:00

16°

km/h

43%

12:00

17°

km/h

42%

13:00

17°

km/h

41%

14:00

19°

km/h

37%

15:00

19°

km/h

35%

16:00

19°

km/h

35%

17:00

19°

km/h

36%

18:00

18°

km/h

38%

19:00

17°

km/h

44%

20:00

14°

km/h

60%

21:00

11°

km/h

69%

22:00

9°

km/h

77%

23:00

8°

km/h

82%

Sat

00:00

7°

km/h

83%

01:00

7°

km/h

83%

Daily forecast

King County air quality index (AQI⁺) forecast

Today

12°

5°

km/h

86%

Thu

15°

7°

km/h

68%

Fri

19°

6°

km/h

50%

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

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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

Moderate

50%

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

Moderate

50%

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

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	204
2	Victorville, California	81
3	Grand County, Colorado	78
4	Elmwood Park, Illinois	73
5	Cicero, Illinois	72
6	Harwood Heights, Illinois	71
7	Norridge, Illinois	70
8	Oak Park, Illinois	70
9	Winston-Salem, North Carolina	70
10	Essex, New York	68

History

Historic air quality graph for King County

6 AQI⁺ US

Good

01:00–02:00 Jun 10 Local time

AQI⁺ US

History

Historic air quality graph for King County

6 AQI⁺ US

Good

01:00–02:00 Jun 10 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	29035 NE 22nd St	9
2	311th NE & NE 139th Duvall	8
3	Ames Lake Forest/Tree Farm	7
4	Duvall, WA	7
5	322nd Avenue Northeast	6
6	6214 284th Way Northeast	6
7	174th Avenue Southeast	4
8	22612-22400 SE 329th St	4
9	337th Place Northeast	3
10	12339-12347 202nd Pl SE	2

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	204
2	Victorville, California	81
3	Grand County, Colorado	78
4	Elmwood Park, Illinois	73
5	Cicero, Illinois	72
6	Harwood Heights, Illinois	71
7	Norridge, Illinois	70
8	Oak Park, Illinois	70
9	Winston-Salem, North Carolina	70
10	Essex, New York	68