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Air quality in King County

Air quality index (AQI⁺) and PM2.5 air pollution in King County • 2 Followers • 00:00, Nov 12 Local time

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US AQI⁺

Good

Main pollutant:

PM2.5

4.1 µg/m³

9°

9 km/h

77 %

Hourly forecast

King County air quality index (AQI⁺) forecast

Now

9°

km/h

77%

01:00

9°

km/h

78%

02:00

9°

km/h

77%

03:00

8°

km/h

78%

04:00

8°

km/h

77%

05:00

8°

km/h

77%

06:00

8°

km/h

77%

07:00

8°

km/h

78%

08:00

9°

km/h

76%

09:00

10°

km/h

72%

10:00

11°

km/h

70%

11:00

12°

km/h

64%

12:00

13°

km/h

62%

13:00

13°

km/h

61%

14:00

13°

km/h

65%

15:00

13°

km/h

70%

16:00

11°

km/h

75%

17:00

9°

km/h

80%

18:00

9°

km/h

78%

19:00

9°

km/h

76%

20:00

8°

km/h

76%

21:00

8°

km/h

75%

22:00

8°

km/h

73%

23:00

8°

km/h

73%

Fri

00:00

8°

km/h

74%

01:00

8°

km/h

74%

02:00

8°

km/h

73%

03:00

8°

km/h

73%

04:00

8°

km/h

73%

05:00

8°

km/h

72%

06:00

8°

km/h

71%

07:00

8°

km/h

67%

08:00

9°

km/h

64%

09:00

10°

km/h

61%

10:00

11°

km/h

63%

11:00

11°

km/h

66%

12:00

11°

km/h

69%

13:00

10°

km/h

76%

14:00

9°

km/h

84%

15:00

8°

km/h

89%

16:00

80%

7°

km/h

98%

17:00

80%

7°

km/h

97%

18:00

7°

km/h

97%

19:00

7°

km/h

95%

20:00

7°

km/h

94%

21:00

6°

km/h

93%

22:00

6°

km/h

92%

23:00

5°

km/h

90%

Sat

00:00

5°

km/h

89%

01:00

5°

km/h

90%

02:00

5°

km/h

90%

03:00

5°

km/h

91%

04:00

6°

km/h

90%

05:00

6°

km/h

88%

06:00

5°

km/h

89%

07:00

4°

km/h

88%

08:00

6°

km/h

85%

09:00

7°

km/h

82%

10:00

80%

7°

km/h

83%

11:00

80%

7°

km/h

88%

12:00

7°

km/h

89%

13:00

7°

km/h

83%

14:00

9°

km/h

74%

15:00

8°

km/h

79%

16:00

7°

km/h

86%

17:00

6°

km/h

89%

18:00

6°

km/h

89%

19:00

6°

km/h

90%

20:00

6°

km/h

89%

21:00

6°

km/h

90%

22:00

6°

km/h

87%

23:00

6°

km/h

88%

Daily forecast

King County air quality index (AQI⁺) forecast

Today

13°

8°

km/h

72%

Fri

11°

6°

km/h

81%

Sat

9°

4°

km/h

86%

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

Low

25%

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

Low

25%

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	57
2	322nd Avenue Northeast	28
3	Cumberland Kanasket Road Southeast	27
4	337th Place Northeast	26
5	29035 NE 22nd St	22
6	174th Avenue Southeast	17
7	6214 284th Way Northeast	17
8	Ames Lake East	17
9	292nd Ave. SE	9
10	Ames Lake Forest/Tree Farm	6

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Altamont, Oregon	147
2	Pixley, California	141
3	Bonney Lake, Washington	134
4	Keyes, California	127
5	Calexico, California	122
6	Murphys, California	114
7	Delano, California	113
8	Matheny, California	113
9	Fruitridge Pocket, California	112
10	Salem, Oregon	112

History

Historic air quality graph for King County

23 AQI⁺ US

Good

23:00–00:00 Nov 11 Local time

AQI⁺ US

History

Historic air quality graph for King County

23 AQI⁺ US

Good

23:00–00:00 Nov 11 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	57
2	322nd Avenue Northeast	28
3	Cumberland Kanasket Road Southeast	27
4	337th Place Northeast	26
5	29035 NE 22nd St	22
6	174th Avenue Southeast	17
7	6214 284th Way Northeast	17
8	Ames Lake East	17
9	292nd Ave. SE	9
10	Ames Lake Forest/Tree Farm	6

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Altamont, Oregon	147
2	Pixley, California	141
3	Bonney Lake, Washington	134
4	Keyes, California	127
5	Calexico, California	122
6	Murphys, California	114
7	Delano, California	113
8	Matheny, California	113
9	Fruitridge Pocket, California	112
10	Salem, Oregon	112