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Air quality in King County

Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 15:00, Oct 18 Local time

Three Queens Fire, Washington, USA nearby

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US AQI⁺

Good

Main pollutant:

PM2.5

2.1 µg/m³

10°

7 km/h

59 %

Hourly forecast

King County air quality index (AQI⁺) forecast

Now

10°

km/h

59%

16:00

10°

km/h

57%

17:00

9°

km/h

60%

18:00

8°

km/h

67%

19:00

7°

km/h

75%

20:00

6°

km/h

87%

21:00

6°

km/h

91%

22:00

7°

km/h

82%

23:00

8°

km/h

68%

Mon

00:00

8°

km/h

57%

01:00

8°

km/h

54%

02:00

9°

km/h

45%

03:00

8°

km/h

45%

04:00

9°

km/h

41%

05:00

9°

km/h

43%

06:00

8°

km/h

43%

07:00

9°

km/h

44%

08:00

8°

km/h

47%

09:00

9°

km/h

49%

10:00

9°

km/h

52%

11:00

9°

km/h

65%

12:00

8°

km/h

68%

13:00

10°

km/h

62%

14:00

11°

km/h

59%

15:00

11°

km/h

61%

16:00

10°

km/h

63%

17:00

10°

km/h

66%

18:00

9°

km/h

69%

19:00

8°

km/h

72%

20:00

8°

km/h

77%

21:00

7°

km/h

85%

22:00

6°

km/h

93%

23:00

6°

km/h

98%

Tue

00:00

6°

km/h

99%

01:00

6°

km/h

98%

02:00

5°

km/h

98%

03:00

5°

km/h

98%

04:00

5°

km/h

98%

05:00

5°

km/h

98%

06:00

5°

km/h

98%

07:00

4°

km/h

98%

08:00

4°

km/h

98%

09:00

4°

km/h

97%

10:00

6°

km/h

91%

11:00

10°

km/h

68%

12:00

11°

km/h

62%

13:00

12°

km/h

62%

14:00

13°

km/h

60%

15:00

13°

km/h

59%

16:00

13°

km/h

58%

17:00

12°

km/h

64%

18:00

8°

km/h

70%

19:00

7°

km/h

77%

20:00

7°

km/h

77%

21:00

7°

km/h

75%

22:00

6°

km/h

73%

23:00

6°

km/h

70%

Wed

00:00

6°

km/h

66%

01:00

6°

km/h

64%

02:00

6°

km/h

63%

03:00

6°

km/h

62%

04:00

6°

km/h

62%

05:00

6°

km/h

62%

06:00

6°

km/h

62%

07:00

6°

km/h

60%

08:00

6°

km/h

60%

09:00

9°

km/h

53%

10:00

13°

km/h

41%

11:00

15°

km/h

37%

12:00

16°

km/h

37%

13:00

16°

km/h

37%

14:00

17°

km/h

37%

Daily forecast

King County air quality index (AQI⁺) forecast

Today

10°

5°

km/h

70%

Mon

11°

6°

km/h

63%

Tue

13°

4°

km/h

76%

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.

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

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	16
2	6214 284th Way Northeast	12
3	29035 NE 22nd St	11
4	337th Place Northeast	11
5	12339-12347 202nd Pl SE	9
6	174th Avenue Southeast	9
7	322nd Avenue Northeast	9
8	Ames Lake East	8
9	311th NE & NE 139th Duvall	6
10	Ames Lake Forest/Tree Farm	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	New Canaan, Connecticut	181
2	Geyserville, California	119
3	Cloverdale, California	103
4	Healdsburg, California	80
5	Vacaville, California	75
6	Davis, California	68
7	Fresno County, California	68
8	Fairfield, California	66
9	Santa Maria, California	63
10	Woodland, California	63

History

Historic air quality graph for King County

11 AQI⁺ US

Good

14:00–15:00 Oct 18 Local time

AQI⁺ US

History

Historic air quality graph for King County

11 AQI⁺ US

Good

14:00–15:00 Oct 18 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	16
2	6214 284th Way Northeast	12
3	29035 NE 22nd St	11
4	337th Place Northeast	11
5	12339-12347 202nd Pl SE	9
6	174th Avenue Southeast	9
7	322nd Avenue Northeast	9
8	Ames Lake East	8
9	311th NE & NE 139th Duvall	6
10	Ames Lake Forest/Tree Farm	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	New Canaan, Connecticut	181
2	Geyserville, California	119
3	Cloverdale, California	103
4	Healdsburg, California	80
5	Vacaville, California	75
6	Davis, California	68
7	Fresno County, California	68
8	Fairfield, California	66
9	Santa Maria, California	63
10	Woodland, California	63