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Air quality near Hennessey Ridge Road, St. Helena

Air quality index (AQI⁺) and PM2.5 air pollution near Hennessey Ridge Road, St. Helena • 06:00, Apr 17 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

3.6 µg/m³

9°

26 km/h

27 %

Data source: PurpleAir

Hourly forecast

Hennessey Ridge Road, St. Helena air quality index (AQI⁺) forecast

Now

9°

km/h

27%

07:00

8°

km/h

28%

08:00

9°

km/h

30%

09:00

11°

km/h

31%

10:00

13°

km/h

29%

11:00

14°

km/h

27%

12:00

16°

km/h

27%

13:00

17°

km/h

27%

14:00

18°

km/h

26%

15:00

19°

km/h

26%

16:00

19°

km/h

25%

17:00

19°

km/h

26%

18:00

18°

km/h

28%

19:00

17°

km/h

34%

20:00

14°

km/h

48%

21:00

13°

km/h

53%

22:00

12°

km/h

55%

23:00

12°

km/h

56%

Sat

00:00

11°

km/h

63%

01:00

11°

km/h

61%

02:00

10°

km/h

59%

03:00

11°

km/h

54%

04:00

10°

km/h

55%

05:00

10°

km/h

56%

06:00

10°

km/h

55%

07:00

10°

km/h

51%

08:00

11°

km/h

59%

09:00

14°

km/h

52%

10:00

16°

km/h

43%

11:00

18°

km/h

43%

12:00

19°

km/h

46%

13:00

20°

km/h

46%

14:00

20°

km/h

47%

15:00

20°

km/h

47%

16:00

20°

km/h

41%

17:00

20°

km/h

33%

18:00

19°

km/h

25%

19:00

17°

km/h

33%

20:00

15°

km/h

25%

21:00

15°

km/h

33%

22:00

14°

km/h

42%

23:00

13°

km/h

49%

Sun

00:00

13°

km/h

52%

01:00

12°

km/h

55%

02:00

12°

km/h

56%

03:00

11°

km/h

56%

04:00

10°

km/h

64%

05:00

10°

km/h

67%

06:00

9°

km/h

70%

07:00

9°

km/h

71%

08:00

11°

km/h

64%

09:00

14°

km/h

53%

10:00

16°

km/h

41%

11:00

17°

km/h

35%

12:00

18°

km/h

33%

13:00

18°

km/h

34%

14:00

19°

km/h

33%

15:00

19°

km/h

32%

16:00

18°

km/h

31%

17:00

17°

km/h

32%

18:00

16°

km/h

42%

19:00

13°

km/h

54%

20:00

10°

km/h

58%

21:00

8°

km/h

63%

22:00

8°

km/h

65%

23:00

7°

km/h

66%

Mon

00:00

7°

km/h

64%

01:00

7°

km/h

62%

02:00

7°

km/h

59%

03:00

7°

km/h

56%

04:00

7°

km/h

58%

05:00

7°

km/h

63%

Daily forecast

Hennessey Ridge Road, St. Helena air quality index (AQI⁺) forecast

Today

19°

8°

km/h

32%

Sat

20°

10°

km/h

42%

Sun

19°

8°

km/h

48%

Air pollutants

What is the current air quality near Hennessey Ridge Road?

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 Hennessey Ridge Road, St. Helena air pollution map

Pollen

What is the pollen count in Hennessey Ridge Road today?

Index

Low

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

Source:

wetter.com

Pollen forecast

Pollen

What is the pollen count in Hennessey Ridge Road today?

Index

Low

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

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Hennessey Ridge Road

20 AQI⁺ US

Good

05:00–06:00 Apr 17 Local time

AQI⁺ US

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Most polluted locations near Hennessey Ridge Road, St. Helena

Worldwide AQI⁺ ranking

Station ranking

Real-time Hennessey Ridge Road AQI⁺ station ranking

#	Stations	AQI⁺ US
1	Inglewood Avenue	23
2	Pratt Avenue	23
3	Chaix Lane	22
4	St. Helena Primary School	22
5	Stockton Street	22
6	Hudson Avenue	21
7	Chiles Pope Valley Road	20
8	Fir Hill Drive	20
9	Hennessey Ridge Road	20
10	Main Street 1	20

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Avenal, California	103
2	Pahrump, Nevada	88
3	Hammond, Indiana	73
4	Norfolk, Virginia	72
5	Providence, Rhode Island	72
6	Lone Pine, California	70
7	Barrington Hills, Illinois	67
8	Corpus Christi, Texas	67
9	Olancha, California	67
10	Mission, Texas	66