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Air quality near Knollwood Avenue, San Jose

Air quality index (AQI⁺) and PM2.5 air pollution near Knollwood Avenue, San Jose • 563 Followers • 05:00, Apr 17 Local time

Data source: PurpleAir

Grayson AQI Alert nearby

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US AQI⁺

Good

Main pollutant:

PM2.5

3.7 µg/m³

11°

13 km/h

38 %

Data source: PurpleAir

Hourly forecast

Knollwood Avenue, San Jose air quality index (AQI⁺) forecast

Now

11°

km/h

38%

06:00

10°

km/h

37%

07:00

10°

km/h

38%

08:00

11°

km/h

32%

09:00

13°

km/h

27%

10:00

15°

km/h

24%

11:00

18°

km/h

20%

12:00

19°

km/h

18%

13:00

20°

km/h

18%

14:00

21°

km/h

19%

15:00

21°

km/h

21%

16:00

21°

km/h

21%

17:00

20°

km/h

24%

18:00

19°

km/h

25%

19:00

18°

km/h

33%

20:00

16°

km/h

42%

21:00

15°

km/h

47%

22:00

14°

km/h

58%

23:00

13°

km/h

72%

Sat

00:00

13°

km/h

84%

01:00

12°

km/h

87%

02:00

12°

km/h

95%

03:00

12°

km/h

96%

04:00

11°

km/h

99%

05:00

11°

km/h

100%

06:00

10°

km/h

100%

07:00

10°

km/h

98%

08:00

11°

km/h

96%

09:00

12°

km/h

95%

10:00

15°

km/h

73%

11:00

19°

km/h

47%

12:00

21°

km/h

31%

13:00

23°

km/h

27%

14:00

25°

km/h

25%

15:00

26°

km/h

23%

16:00

26°

km/h

21%

17:00

25°

km/h

20%

18:00

24°

km/h

23%

19:00

22°

km/h

27%

20:00

21°

km/h

41%

21:00

19°

km/h

47%

22:00

18°

km/h

52%

23:00

17°

km/h

58%

Sun

00:00

16°

km/h

61%

01:00

16°

km/h

63%

02:00

15°

km/h

71%

03:00

14°

km/h

73%

04:00

14°

km/h

72%

05:00

14°

km/h

73%

06:00

0°

km/h

07:00

15°

km/h

55%

08:00

16°

km/h

51%

09:00

18°

km/h

45%

10:00

19°

km/h

43%

11:00

18°

km/h

42%

12:00

0°

km/h

13:00

19°

km/h

34%

14:00

20°

km/h

30%

15:00

21°

km/h

28%

16:00

21°

km/h

25%

17:00

22°

km/h

20%

18:00

0°

km/h

19:00

19°

km/h

30%

20:00

18°

km/h

34%

21:00

16°

km/h

39%

22:00

15°

km/h

44%

23:00

14°

km/h

55%

Mon

00:00

0°

km/h

01:00

13°

km/h

58%

02:00

80%

12°

km/h

58%

03:00

90%

12°

km/h

58%

04:00

90%

12°

km/h

71%

Daily forecast

Knollwood Avenue, San Jose air quality index (AQI⁺) forecast

Today

21°

10°

km/h

30%

Sat

26°

10°

km/h

50%

Sun

22°

15°

km/h

37%

Air pollutants

What is the current air quality near Knollwood Avenue?

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 Knollwood Avenue, San Jose air pollution map

Pollen

What is the pollen count in Knollwood Avenue today?

Index

Moderate

Tree Low	25%
Grass Low	25%
Weed Moderate	50%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in Knollwood Avenue today?

Index

Moderate

Tree Low	25%
Grass Low	25%
Weed Moderate	50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Knollwood Avenue

21 AQI⁺ US

Good

04:00–05:00 Apr 17 Local time

AQI⁺ US

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Most polluted locations near Knollwood Avenue, San Jose

Worldwide AQI⁺ ranking

Station ranking

Real-time Knollwood Avenue AQI⁺ station ranking

#	Stations	AQI⁺ US
1	405 Terrace Drive	24
2	342 N 20TH ST	21
3	443 Shepherd Ave	21
4	126 Brook Knoll Dr	20
5	1907 Kirkland Ave	20
6	2360 Cherrystone Drive	20
7	3798-3712 Kenton Ln	20
8	1405 Stockbridge Drive	18
9	2046-2000 Carignan Way	17
10	3649 Tankerland Ct	17

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Lone Pine, California	110
2	Avenal, California	105
3	Pahrump, Nevada	87
4	Fuquay-Varina, North Carolina	79
5	Hammond, Indiana	76
6	Romeoville, Illinois	70
7	Barrington Hills, Illinois	69
8	Norfolk, Virginia	68
9	Providence, Rhode Island	68
10	Corpus Christi, Texas	67