Add

Air quality near Ash Lane, Portola Valley

Air quality index (AQI⁺) and PM2.5 air pollution near Ash Lane, Portola Valley • 11 Followers • 23:00, Jun 30

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

0.5 µg/m³

13°

18 km/h

92 %

Data source: PurpleAir

Hourly forecast

Ash Lane, Portola Valley air quality index (AQI⁺) forecast

Now

13°

km/h

92%

Wed

00:00

12°

km/h

92%

01:00

12°

km/h

93%

02:00

12°

km/h

93%

03:00

11°

km/h

92%

04:00

11°

km/h

93%

05:00

11°

km/h

92%

06:00

11°

km/h

92%

07:00

12°

km/h

87%

08:00

14°

km/h

79%

09:00

16°

km/h

73%

10:00

18°

km/h

69%

11:00

19°

km/h

65%

12:00

21°

km/h

60%

13:00

22°

km/h

60%

14:00

21°

km/h

64%

15:00

21°

km/h

65%

16:00

19°

km/h

72%

17:00

18°

km/h

76%

18:00

17°

km/h

79%

19:00

15°

km/h

83%

20:00

14°

km/h

87%

21:00

13°

km/h

91%

22:00

13°

km/h

91%

23:00

13°

km/h

92%

Thu

00:00

12°

km/h

91%

01:00

12°

km/h

91%

02:00

11°

km/h

92%

03:00

11°

km/h

92%

04:00

11°

km/h

91%

05:00

11°

km/h

91%

06:00

11°

km/h

92%

07:00

12°

km/h

87%

08:00

13°

km/h

80%

09:00

15°

km/h

71%

10:00

18°

km/h

64%

11:00

19°

km/h

60%

12:00

21°

km/h

58%

13:00

22°

km/h

60%

14:00

21°

km/h

63%

15:00

20°

km/h

68%

16:00

19°

km/h

70%

17:00

19°

km/h

72%

18:00

17°

km/h

77%

19:00

16°

km/h

80%

20:00

15°

km/h

85%

21:00

13°

km/h

88%

22:00

13°

km/h

91%

23:00

13°

km/h

91%

Fri

00:00

12°

km/h

91%

01:00

12°

km/h

91%

02:00

11°

km/h

92%

03:00

11°

km/h

91%

04:00

11°

km/h

87%

05:00

11°

km/h

86%

06:00

10°

km/h

96%

07:00

12°

km/h

90%

08:00

14°

km/h

77%

09:00

17°

km/h

63%

10:00

20°

km/h

50%

11:00

23°

km/h

42%

12:00

24°

km/h

38%

13:00

25°

km/h

37%

14:00

26°

km/h

36%

15:00

25°

km/h

38%

16:00

24°

km/h

41%

17:00

23°

km/h

47%

18:00

21°

km/h

56%

19:00

19°

km/h

66%

20:00

16°

km/h

81%

21:00

13°

km/h

99%

22:00

12°

km/h

98%

Daily forecast

Ash Lane, Portola Valley air quality index (AQI⁺) forecast

Today

22°

11°

km/h

76%

Thu

22°

11°

km/h

74%

Fri

26°

10°

km/h

62%

Air pollutants

What is the current air quality near Ash Lane?

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 Ash Lane, Portola Valley air pollution map

Pollen

What is the pollen count in Ash Lane today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in Ash Lane today?

Index

Low

Tree

Low

25%

Grass

Low

25%

Weed

Low

25%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Ash Lane

3 AQI⁺ US

Good

22:00–23:00 Jun 30

AQI⁺ US

Measure your own air quality

Get a monitor and contribute air quality data in your city.

Get a monitor How to contribute

Most polluted locations near Ash Lane, Portola Valley

Worldwide AQI⁺ ranking

Station ranking

Real-time Ash Lane AQI⁺ station ranking

#	Stations	AQI⁺ US
1	140 Fawn Ln	27
2	10 Alhambra Court	24
3	Alhambra Court	23
4	9 Valley Oak Street	22
5	Buck Meadow Drive	22
6	Buckeye Court	18
7	Bay Laurel	17
8	Brookside Drive	17
9	Ash Lane	3
10	Alpine Hills	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Flagstaff, Arizona	149
2	Chaffee County, Colorado	134
3	Leadville, Colorado	109
4	Coconino, Arizona	100
5	Gila, Arizona	98
6	Park County, Colorado	90
7	Gunnison County, Colorado	88
8	Helena Valley West Central, Montana	88
9	Henderson, Nevada	85
10	Geneva, Illinois	84