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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 • 10:00, Jun 25

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

1.7 µg/m³

15°

14 km/h

75 %

Data source: PurpleAir

Hourly forecast

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

Now

15°

km/h

75%

11:00

16°

km/h

73%

12:00

17°

km/h

70%

13:00

17°

km/h

70%

14:00

17°

km/h

70%

15:00

18°

km/h

69%

16:00

90%

18°

km/h

69%

17:00

90%

17°

km/h

72%

18:00

16°

km/h

75%

19:00

16°

km/h

79%

20:00

15°

km/h

82%

21:00

14°

km/h

87%

22:00

14°

km/h

89%

23:00

13°

km/h

88%

Fri

00:00

13°

km/h

89%

01:00

13°

km/h

89%

02:00

13°

km/h

90%

03:00

13°

km/h

89%

04:00

13°

km/h

88%

05:00

13°

km/h

88%

06:00

14°

km/h

87%

07:00

14°

km/h

86%

08:00

15°

km/h

82%

09:00

16°

km/h

82%

10:00

17°

km/h

81%

11:00

18°

km/h

75%

12:00

19°

km/h

73%

13:00

19°

km/h

75%

14:00

19°

km/h

75%

15:00

19°

km/h

75%

16:00

19°

km/h

75%

17:00

18°

km/h

77%

18:00

18°

km/h

79%

19:00

17°

km/h

82%

20:00

90%

15°

km/h

92%

21:00

15°

km/h

87%

22:00

15°

km/h

89%

23:00

90%

14°

km/h

95%

Sat

00:00

14°

km/h

90%

01:00

14°

km/h

91%

02:00

14°

km/h

92%

03:00

13°

km/h

93%

04:00

90%

14°

km/h

88%

05:00

90%

13°

km/h

86%

06:00

14°

km/h

88%

07:00

15°

km/h

82%

08:00

15°

km/h

77%

09:00

16°

km/h

72%

10:00

16°

km/h

72%

11:00

17°

km/h

68%

12:00

18°

km/h

64%

13:00

18°

km/h

64%

14:00

18°

km/h

64%

15:00

17°

km/h

63%

16:00

16°

km/h

67%

17:00

16°

km/h

67%

18:00

16°

km/h

67%

19:00

15°

km/h

72%

20:00

14°

km/h

77%

21:00

14°

km/h

77%

22:00

13°

km/h

82%

23:00

13°

km/h

82%

Sun

00:00

13°

km/h

82%

01:00

13°

km/h

82%

02:00

13°

km/h

82%

03:00

12°

km/h

82%

04:00

12°

km/h

82%

05:00

12°

km/h

82%

06:00

14°

km/h

72%

07:00

15°

km/h

67%

08:00

16°

km/h

63%

09:00

16°

km/h

67%

Daily forecast

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

Today

18°

12°

km/h

78%

Fri

19°

14°

km/h

81%

Sat

18°

13°

km/h

72%

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

None

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in Cornell today?

Index

Low

Tree

None

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Cornell

9 AQI⁺ US

Good

09:00–10:00 Jun 25

AQI⁺ US

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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	Arroyo Ct	22
2	13th Avenue	21
3	238 41st Avenue	21
4	37th Avenue	21
5	10th Ave and Palm	17
6	Beresford Park	17
7	113 West 40th Avenue	16
8	Belford Way	11
9	BV.SM Upper	9
10	Butano State Park	4

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Rancho Cucamonga, California	94
2	Riverside, California	92
3	Steamboat Springs, Colorado	92
4	Routt County, Colorado	90
5	Columbia, South Carolina	85
6	Claremont, California	83
7	Weber, Utah	82
8	Yavapai, Arizona	82
9	Uintah County, Utah	81
10	Highland, California	80