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Air quality near Saint Francis St, Redwood City, Emerald Lake Hills

Air quality index (AQI⁺) and PM2.5 air pollution near Saint Francis St, Redwood City, Emerald Lake Hills • 11:00, Apr 24 Local time

Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)

US AQI⁺

Good

Main pollutant:

PM2.5

2.2 µg/m³

17°

4 km/h

65 %

Data sources: AirGradient via OpenAQ (Licensed under CC-BY 4.0)

Hourly forecast

Saint Francis St, Redwood City, Emerald Lake Hills air quality index (AQI⁺) forecast

Now

17°

km/h

65%

13:00

18°

km/h

62%

14:00

19°

km/h

60%

15:00

18°

km/h

60%

16:00

17°

km/h

65%

17:00

16°

km/h

68%

18:00

15°

km/h

76%

19:00

14°

km/h

80%

20:00

13°

km/h

84%

21:00

12°

km/h

85%

22:00

12°

km/h

90%

23:00

12°

km/h

100%

Sat

00:00

90%

12°

km/h

93%

01:00

11°

km/h

86%

02:00

11°

km/h

94%

03:00

10°

km/h

92%

04:00

10°

km/h

91%

05:00

11°

km/h

92%

06:00

10°

km/h

92%

07:00

11°

km/h

89%

08:00

12°

km/h

78%

09:00

12°

km/h

76%

10:00

13°

km/h

74%

11:00

14°

km/h

73%

12:00

15°

km/h

69%

13:00

15°

km/h

70%

14:00

15°

km/h

69%

15:00

15°

km/h

69%

16:00

14°

km/h

71%

17:00

14°

km/h

73%

18:00

14°

km/h

76%

19:00

13°

km/h

79%

20:00

12°

km/h

83%

21:00

12°

km/h

82%

22:00

12°

km/h

85%

23:00

11°

km/h

84%

Sun

00:00

11°

km/h

84%

01:00

11°

km/h

88%

02:00

10°

km/h

91%

03:00

11°

km/h

92%

04:00

10°

km/h

88%

05:00

10°

km/h

89%

06:00

10°

km/h

86%

07:00

10°

km/h

90%

08:00

12°

km/h

81%

09:00

12°

km/h

79%

10:00

13°

km/h

77%

11:00

14°

km/h

73%

12:00

15°

km/h

68%

13:00

90%

14°

km/h

76%

14:00

90%

15°

km/h

65%

15:00

15°

km/h

65%

16:00

15°

km/h

65%

17:00

14°

km/h

68%

18:00

15°

km/h

66%

19:00

14°

km/h

70%

20:00

12°

km/h

77%

21:00

11°

km/h

79%

22:00

10°

km/h

81%

23:00

10°

km/h

81%

Mon

00:00

10°

km/h

78%

01:00

10°

km/h

73%

02:00

11°

km/h

70%

03:00

11°

km/h

68%

04:00

11°

km/h

65%

05:00

11°

km/h

65%

06:00

11°

km/h

65%

07:00

11°

km/h

64%

08:00

13°

km/h

65%

09:00

14°

km/h

64%

10:00

15°

km/h

63%

11:00

16°

km/h

62%

Daily forecast

Saint Francis St, Redwood City, Emerald Lake Hills air quality index (AQI⁺) forecast

Today

19°

11°

km/h

75%

Sat

15°

10°

km/h

77%

Sun

15°

10°

km/h

74%

Air pollutants

What is the current air quality near Saint Francis St, Redwood City?

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 Saint Francis St, Redwood City, Emerald Lake Hills air pollution map

Pollen

What is the pollen count in Saint Francis St, Redwood City today?

Index

Low

Tree Low	25%
Grass Low	25%
Weed Low	25%

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in Saint Francis St, Redwood City

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Air Purifiers

Face Masks

Air Quality Monitors

Pollen

What is the pollen count in Saint Francis St, Redwood City today?

Index

Low

Tree Low	25%
Grass Low	25%
Weed Low	25%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Saint Francis St, Redwood City

12 AQI⁺ US

Good

10:00–11:00 Apr 24 Local time

AQI⁺ US

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Most polluted locations near Saint Francis St, Redwood City, Emerald Lake Hills

Worldwide AQI⁺ ranking

Station ranking

Real-time Saint Francis St, Redwood City AQI⁺ station ranking

#	Stations	AQI⁺ US
1	Lakeview Way	26
2	Ferndale Way	18
3	Vernal Way, Emerald Hills	13
4	Woodside	13
5	Saint Francis St, Redwood City	12
6	Outdoors	6

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Mission, Texas	101
2	Port Arthur, Texas	80
3	West Lake Hills, Texas	73
4	Harrodsburg, Kentucky	70
5	Columbia, South Carolina	69
6	Greenville, South Carolina	69
7	Spartanburg, South Carolina	68
8	Black Mountain, North Carolina	67
9	Middletown, Ohio	67
10	Asheville, North Carolina	66