40th Ave NE

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Air quality near 40th Ave NE, Seattle

Air quality index (AQI⁺) and PM2.5 air pollution near 40th Ave NE, Seattle • 1.3K Followers

No current dataLast update 01:00, Apr 16 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

2.3 µg/m³

15°

3 km/h

85 %

Data source: PurpleAir

Hourly forecast

40th Ave NE, Seattle air quality index (AQI⁺) forecast

02:00

15°

km/h

85%

03:00

15°

km/h

87%

04:00

70%

14°

km/h

94%

05:00

13°

km/h

89%

06:00

13°

km/h

85%

07:00

13°

km/h

85%

08:00

13°

km/h

88%

09:00

13°

km/h

90%

10:00

14°

km/h

90%

11:00

14°

km/h

90%

12:00

15°

km/h

87%

13:00

15°

km/h

81%

14:00

16°

km/h

79%

15:00

18°

km/h

66%

16:00

18°

km/h

61%

17:00

18°

km/h

61%

18:00

18°

km/h

62%

19:00

17°

km/h

64%

20:00

17°

km/h

65%

21:00

17°

km/h

66%

22:00

16°

km/h

69%

23:00

16°

km/h

71%

00:00

15°

km/h

78%

01:00

14°

km/h

84%

02:00

14°

km/h

87%

03:00

13°

km/h

89%

04:00

13°

km/h

89%

05:00

13°

km/h

89%

06:00

13°

km/h

88%

07:00

13°

km/h

88%

08:00

13°

km/h

87%

09:00

14°

km/h

85%

10:00

15°

km/h

84%

11:00

16°

km/h

80%

12:00

18°

km/h

73%

13:00

18°

km/h

68%

14:00

19°

km/h

64%

15:00

18°

km/h

64%

16:00

18°

km/h

64%

17:00

17°

km/h

65%

18:00

80%

15°

km/h

81%

19:00

90%

14°

km/h

96%

20:00

80%

14°

km/h

96%

21:00

14°

km/h

97%

22:00

80%

14°

km/h

95%

23:00

80%

14°

km/h

93%

00:00

14°

km/h

94%

01:00

80%

14°

km/h

92%

02:00

90%

13°

km/h

90%

03:00

90%

13°

km/h

94%

04:00

90%

13°

km/h

95%

05:00

80%

13°

km/h

98%

06:00

80%

12°

km/h

97%

07:00

12°

km/h

96%

08:00

12°

km/h

96%

09:00

12°

km/h

96%

10:00

12°

km/h

97%

11:00

13°

km/h

95%

12:00

13°

km/h

95%

13:00

14°

km/h

94%

14:00

13°

km/h

93%

15:00

14°

km/h

91%

16:00

14°

km/h

89%

17:00

15°

km/h

83%

18:00

16°

km/h

74%

19:00

16°

km/h

73%

20:00

16°

km/h

70%

21:00

15°

km/h

74%

22:00

14°

km/h

80%

23:00

13°

km/h

83%

00:00

13°

km/h

86%

Daily forecast

40th Ave NE, Seattle air quality index (AQI⁺) forecast

Today

18°

13°

km/h

76%

Sat

19°

13°

km/h

81%

Sun

16°

12°

km/h

88%

Air pollutants

What is the current air quality near 40th Ave NE?

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time 40th Ave NE, Seattle air pollution map

Pollen

What is the pollen count in 40th Ave NE today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in 40th Ave NE

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Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in 40th Ave NE today?

Index

Low

Tree

None

Grass

None

Weed

Low

25%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for 40th Ave NE

12 AQI⁺ US

Good

Apr 2026

AQI⁺ US

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Most polluted locations near 40th Ave NE, Seattle

Worldwide AQI⁺ ranking

Station ranking

Real-time 40th Ave NE AQI⁺ station ranking

#	Stations	AQI⁺ US
1	14th and Howell	39
2	12340-12432 24th Ave NE	34
3	1786-1700 26th Ave S	33
4	1314-1300 12th Ave S	31
5	1099-901 17th Ave E	28
6	13525 32nd Ave NE	27
7	16th Avenue	25
8	19th Ave NE	23
9	1715 East Roy Street	21
10	19th Ave NW and NW 97th St	17

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Chelan, Washington	128
2	Gila, Arizona	105
3	Bakersfield, California	73
4	Madera, California	73
5	Grand County, Colorado	68
6	South Valley, New Mexico	66
7	Custer County, South Dakota	65
8	Tulare County, California	63
9	Memphis, Tennessee	62
10	Albany County, Wyoming	61