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Air quality near Cornell, San Mateo

Air quality index (AQI⁺) and PM2.5 air pollution near Cornell, San Mateo • 29 Followers • 06:00, Jun 12 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

1.8 µg/m³

17°

3 km/h

77 %

Data source: PurpleAir

Hourly forecast

Cornell, San Mateo air quality index (AQI⁺) forecast

Now

17°

km/h

77%

08:00

20°

km/h

67%

09:00

22°

km/h

60%

10:00

24°

km/h

54%

11:00

26°

km/h

50%

12:00

27°

km/h

49%

13:00

27°

km/h

47%

14:00

27°

km/h

45%

15:00

27°

km/h

45%

16:00

27°

km/h

44%

17:00

26°

km/h

44%

18:00

18°

km/h

68%

19:00

16°

km/h

77%

20:00

16°

km/h

77%

21:00

15°

km/h

82%

22:00

14°

km/h

88%

23:00

14°

km/h

88%

Sat

00:00

14°

km/h

88%

01:00

14°

km/h

82%

02:00

14°

km/h

82%

03:00

14°

km/h

82%

04:00

13°

km/h

88%

05:00

14°

km/h

82%

06:00

15°

km/h

77%

07:00

16°

km/h

77%

08:00

17°

km/h

72%

09:00

17°

km/h

77%

10:00

18°

km/h

77%

11:00

20°

km/h

68%

12:00

21°

km/h

60%

13:00

22°

km/h

57%

14:00

22°

km/h

57%

15:00

22°

km/h

57%

16:00

21°

km/h

60%

17:00

20°

km/h

64%

18:00

18°

km/h

73%

19:00

17°

km/h

72%

20:00

16°

km/h

77%

21:00

16°

km/h

77%

22:00

15°

km/h

82%

23:00

14°

km/h

88%

Sun

00:00

14°

km/h

88%

01:00

14°

km/h

88%

02:00

14°

km/h

88%

03:00

14°

km/h

88%

04:00

14°

km/h

88%

05:00

14°

km/h

88%

06:00

15°

km/h

82%

07:00

16°

km/h

77%

08:00

17°

km/h

72%

09:00

17°

km/h

77%

10:00

18°

km/h

73%

11:00

20°

km/h

68%

12:00

20°

km/h

64%

13:00

21°

km/h

56%

14:00

21°

km/h

56%

15:00

21°

km/h

56%

16:00

21°

km/h

56%

17:00

20°

km/h

64%

18:00

18°

km/h

68%

19:00

17°

km/h

72%

20:00

16°

km/h

77%

21:00

15°

km/h

82%

22:00

14°

km/h

88%

23:00

15°

km/h

82%

Mon

00:00

15°

km/h

82%

01:00

15°

km/h

82%

02:00

15°

km/h

82%

03:00

15°

km/h

82%

04:00

14°

km/h

88%

05:00

15°

km/h

82%

06:00

16°

km/h

77%

Daily forecast

Cornell, San Mateo air quality index (AQI⁺) forecast

Today

27°

14°

km/h

62%

Sat

22°

15°

km/h

70%

Sun

21°

14°

km/h

70%

Air pollutants

What is the current air quality near Cornell?

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 Cornell, San Mateo air pollution map

Pollen

What is the pollen count in Cornell today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast

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Pollen

What is the pollen count in Cornell today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Cornell

10 AQI⁺ US

Good

05:00–06:00 Jun 12 Local time

AQI⁺ US

Measure your own air quality

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Most polluted locations near Cornell, San Mateo

Worldwide AQI⁺ ranking

Station ranking

Real-time Cornell AQI⁺ station ranking

#	Stations	AQI⁺ US
1	238 41st Avenue	24
2	37th Avenue	18
3	10th Ave and Palm	17
4	113 West 40th Avenue	17
5	Beresford Park	17
6	13th Avenue	10
7	Cornell	10
8	Belford Way	9
9	BV.SM Upper	5
10	Butano State Park	1

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	148
2	Richland County, South Carolina	126
3	San Juan, Utah	95
4	Crestline, California	91
5	Signal Hill, California	83
6	Apache Junction, Arizona	77
7	York County, Virginia	77
8	Montgomery County, North Carolina	76
9	James City County, Virginia	75
10	Norfolk, Virginia	74