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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, Oct 21 Local time

Three Queens Fire, Washington, USA nearby

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US AQI⁺

Good

Main pollutant:

PM2.5

5.6 µg/m³

17°

3 km/h

48 %

Hourly forecast

King County air quality index (AQI⁺) forecast

Now

17°

km/h

48%

14:00

17°

km/h

50%

15:00

17°

km/h

54%

16:00

16°

km/h

59%

17:00

15°

km/h

63%

18:00

13°

km/h

66%

19:00

13°

km/h

67%

20:00

13°

km/h

67%

21:00

12°

km/h

71%

22:00

11°

km/h

72%

23:00

12°

km/h

66%

Thu

00:00

11°

km/h

63%

01:00

10°

km/h

67%

02:00

10°

km/h

62%

03:00

9°

km/h

59%

04:00

8°

km/h

66%

05:00

7°

km/h

78%

06:00

6°

km/h

79%

07:00

6°

km/h

73%

08:00

6°

km/h

76%

09:00

7°

km/h

81%

10:00

9°

km/h

65%

11:00

9°

km/h

59%

12:00

9°

km/h

67%

13:00

9°

km/h

82%

14:00

8°

km/h

77%

15:00

9°

km/h

74%

16:00

8°

km/h

80%

17:00

8°

km/h

82%

18:00

7°

km/h

82%

19:00

6°

km/h

85%

20:00

6°

km/h

90%

21:00

6°

km/h

94%

22:00

80%

5°

km/h

77%

23:00

80%

5°

km/h

81%

Fri

00:00

5°

km/h

83%

01:00

70%

5°

km/h

79%

02:00

4°

km/h

78%

03:00

4°

km/h

78%

04:00

3°

km/h

81%

05:00

3°

km/h

80%

06:00

3°

km/h

89%

07:00

80%

2°

km/h

91%

08:00

80%

2°

km/h

86%

09:00

2°

km/h

83%

10:00

70%

2°

km/h

83%

11:00

3°

km/h

82%

12:00

4°

km/h

80%

13:00

80%

4°

km/h

85%

14:00

80%

4°

km/h

84%

15:00

5°

km/h

82%

16:00

5°

km/h

85%

17:00

4°

km/h

90%

18:00

4°

km/h

86%

19:00

3°

km/h

90%

20:00

3°

km/h

90%

21:00

2°

km/h

89%

22:00

2°

km/h

88%

23:00

2°

km/h

86%

Sat

00:00

2°

km/h

85%

01:00

2°

km/h

85%

02:00

2°

km/h

84%

03:00

1°

km/h

84%

04:00

1°

km/h

83%

05:00

2°

km/h

82%

06:00

1°

km/h

82%

07:00

1°

km/h

82%

08:00

1°

km/h

82%

09:00

4°

km/h

68%

10:00

7°

km/h

57%

11:00

9°

km/h

53%

12:00

10°

km/h

49%

Daily forecast

King County air quality index (AQI⁺) forecast

Today

17°

10°

km/h

56%

Thu

9°

5°

km/h

78%

Fri

5°

2°

km/h

86%

Air pollutants

What is the current air quality in King County?

PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.

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	Cumberland Kanasket Road Southeast	61
2	Enumclaw Mud Mt (SO)	55
3	6214 284th Way Northeast	38
4	337th Place Northeast	37
5	322nd Avenue Northeast	35
6	174th Avenue Southeast	34
7	311th NE & NE 139th Duvall	29
8	29035 NE 22nd St	21
9	Ames Lake East	20
10	Ames Lake Forest/Tree Farm	17

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Chelan, Washington	165
2	Bexar County, Texas	102
3	Houston, Texas	95
4	Fresno County, California	89
5	Harney, Oregon	85
6	Winthrop, Washington	84
7	Calcasieu, Louisiana	81
8	Clovis, California	81
9	Turlock, California	80
10	Douglas, Washington	79

History

Historic air quality graph for King County

31 AQI⁺ US

Good

12:00–13:00 Oct 21 Local time

AQI⁺ US

History

Historic air quality graph for King County

31 AQI⁺ US

Good

12:00–13:00 Oct 21 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	Cumberland Kanasket Road Southeast	61
2	Enumclaw Mud Mt (SO)	55
3	6214 284th Way Northeast	38
4	337th Place Northeast	37
5	322nd Avenue Northeast	35
6	174th Avenue Southeast	34
7	311th NE & NE 139th Duvall	29
8	29035 NE 22nd St	21
9	Ames Lake East	20
10	Ames Lake Forest/Tree Farm	17

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Chelan, Washington	165
2	Bexar County, Texas	102
3	Houston, Texas	95
4	Fresno County, California	89
5	Harney, Oregon	85
6	Winthrop, Washington	84
7	Calcasieu, Louisiana	81
8	Clovis, California	81
9	Turlock, California	80
10	Douglas, Washington	79