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Air quality near Cornell, San Mateo

Air quality index (AQI⁺) and PM2.5 air pollution near Cornell, San Mateo • 28 Followers • 20:00, May 11 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

3.1 µg/m³

15°

11 km/h

76 %

Data source: PurpleAir

Hourly forecast

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

Now

15°

km/h

76%

21:00

14°

km/h

79%

22:00

13°

km/h

83%

23:00

12°

km/h

86%

Tue

00:00

12°

km/h

87%

01:00

11°

km/h

87%

02:00

11°

km/h

88%

03:00

11°

km/h

88%

04:00

10°

km/h

88%

05:00

10°

km/h

88%

06:00

10°

km/h

88%

07:00

10°

km/h

87%

08:00

12°

km/h

80%

09:00

14°

km/h

71%

10:00

16°

km/h

67%

11:00

18°

km/h

64%

12:00

20°

km/h

60%

13:00

20°

km/h

57%

14:00

20°

km/h

57%

15:00

19°

km/h

59%

16:00

18°

km/h

64%

17:00

16°

km/h

67%

18:00

15°

km/h

72%

19:00

14°

km/h

75%

20:00

13°

km/h

77%

21:00

12°

km/h

80%

22:00

12°

km/h

81%

23:00

12°

km/h

80%

Wed

00:00

11°

km/h

83%

01:00

11°

km/h

86%

02:00

11°

km/h

87%

03:00

11°

km/h

89%

04:00

11°

km/h

89%

05:00

11°

km/h

89%

06:00

11°

km/h

91%

07:00

90%

11°

km/h

99%

08:00

90%

12°

km/h

99%

09:00

12°

km/h

90%

10:00

12°

km/h

90%

11:00

14°

km/h

76%

12:00

15°

km/h

69%

13:00

15°

km/h

63%

14:00

16°

km/h

60%

15:00

16°

km/h

60%

16:00

15°

km/h

61%

17:00

15°

km/h

65%

18:00

0°

km/h

19:00

16°

km/h

67%

20:00

15°

km/h

72%

21:00

14°

km/h

72%

22:00

13°

km/h

77%

23:00

14°

km/h

77%

Thu

00:00

0°

km/h

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

88%

06:00

0°

km/h

07:00

15°

km/h

72%

08:00

16°

km/h

72%

09:00

17°

km/h

68%

10:00

18°

km/h

64%

11:00

17°

km/h

72%

12:00

0°

km/h

13:00

18°

km/h

64%

14:00

18°

km/h

60%

15:00

18°

km/h

60%

16:00

18°

km/h

60%

17:00

18°

km/h

60%

18:00

17°

km/h

19:00

16°

km/h

67%

Daily forecast

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

Today

20°

10°

km/h

71%

Tue

16°

11°

km/h

76%

Wed

18°

13°

km/h

68%

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

Moderate

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

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in Cornell

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in Cornell today?

Index

Moderate

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

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Cornell

17 AQI⁺ US

Good

19:00–20:00 May 11 Local time

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	238 41st Avenue	37
2	37th Avenue	33
3	113 West 40th Avenue	28
4	Arroyo Ct	27
5	10th Ave and Palm	25
6	Beresford Park	25
7	Baywood - Aragon	24
8	BV.SM Upper	23
9	Belford Way	18
10	13th Avenue	17

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Helena, Montana	79
2	Banning, California	75
3	Crestline, California	69
4	Orange County, California	68
5	Glendora, California	67
6	Glendale, Arizona	65
7	Phoenix, Arizona	65
8	Sioux Falls, South Dakota	65
9	Casa Grande, Arizona	64
10	Clovis, California	64