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

11°

7 km/h

93 %

Data source: PurpleAir

Hourly forecast

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

07:00

11°

km/h

93%

08:00

10°

km/h

94%

09:00

10°

km/h

95%

10:00

11°

km/h

90%

11:00

13°

km/h

83%

12:00

16°

km/h

76%

13:00

18°

km/h

65%

14:00

20°

km/h

58%

15:00

21°

km/h

55%

16:00

22°

km/h

53%

17:00

22°

km/h

51%

18:00

21°

km/h

33%

19:00

21°

km/h

43%

20:00

18°

km/h

72%

21:00

16°

km/h

67%

22:00

16°

km/h

59%

23:00

15°

km/h

61%

00:00

15°

km/h

64%

01:00

15°

km/h

61%

02:00

15°

km/h

54%

03:00

15°

km/h

49%

04:00

14°

km/h

48%

05:00

14°

km/h

50%

06:00

14°

km/h

50%

07:00

13°

km/h

49%

08:00

13°

km/h

49%

09:00

14°

km/h

50%

10:00

15°

km/h

55%

11:00

18°

km/h

46%

12:00

20°

km/h

41%

13:00

22°

km/h

35%

14:00

23°

km/h

29%

15:00

24°

km/h

27%

16:00

24°

km/h

28%

17:00

23°

km/h

30%

18:00

22°

km/h

32%

19:00

21°

km/h

36%

20:00

20°

km/h

43%

21:00

19°

km/h

51%

22:00

17°

km/h

54%

23:00

16°

km/h

59%

00:00

15°

km/h

72%

01:00

14°

km/h

80%

02:00

14°

km/h

80%

03:00

80%

13°

km/h

87%

04:00

90%

13°

km/h

91%

05:00

80%

12°

km/h

93%

06:00

14°

km/h

88%

07:00

14°

km/h

87%

08:00

13°

km/h

86%

09:00

13°

km/h

84%

10:00

14°

km/h

76%

11:00

13°

km/h

70%

12:00

13°

km/h

78%

13:00

14°

km/h

73%

14:00

15°

km/h

65%

15:00

15°

km/h

52%

16:00

15°

km/h

53%

17:00

14°

km/h

50%

18:00

13°

km/h

51%

19:00

11°

km/h

58%

20:00

11°

km/h

59%

21:00

10°

km/h

62%

22:00

10°

km/h

64%

23:00

10°

km/h

62%

00:00

10°

km/h

57%

01:00

9°

km/h

58%

02:00

8°

km/h

62%

03:00

8°

km/h

64%

04:00

7°

km/h

66%

05:00

7°

km/h

68%

Daily forecast

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

Today

22°

10°

km/h

69%

Fri

24°

13°

km/h

42%

Sat

15°

10°

km/h

68%

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

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

Pollen

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

Index

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

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

Moderate

Tree

None

Grass

None

Weed

Moderate

50%

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	1786-1700 26th Ave S	56
2	14th and Howell	55
3	1822 North 57th Street	53
4	1314-1300 12th Ave S	50
5	13525 32nd Ave NE	47
6	16th Avenue	45
7	1099-901 17th Ave E	42
8	19th Ave NE	38
9	1715 East Roy Street	28
10	12340-12432 24th Ave NE	21

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Inchelium, Washington	174
2	Pascagoula, Mississippi	117
3	Ferry Pass, Florida	102
4	Albany, Georgia	86
5	Tarrant, Alabama	82
6	Cary, North Carolina	77
7	Columbia, Tennessee	77
8	Birmingham, Alabama	75
9	Atlanta, Georgia	72
10	DeKalb County, Georgia	72