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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 • 13:00, Apr 24 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

5.4 µg/m³

17°

9 km/h

68 %

Data source: PurpleAir

Hourly forecast

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

Now

17°

km/h

68%

14:00

18°

km/h

62%

15:00

18°

km/h

62%

16:00

18°

km/h

71%

17:00

17°

km/h

76%

18:00

16°

km/h

77%

19:00

14°

km/h

79%

20:00

11°

km/h

83%

21:00

10°

km/h

87%

22:00

9°

km/h

89%

23:00

8°

km/h

93%

Sat

00:00

8°

km/h

96%

01:00

7°

km/h

97%

02:00

90%

7°

km/h

97%

03:00

7°

km/h

98%

04:00

6°

km/h

98%

05:00

90%

6°

km/h

98%

06:00

6°

km/h

98%

07:00

6°

km/h

98%

08:00

7°

km/h

98%

09:00

8°

km/h

98%

10:00

9°

km/h

98%

11:00

11°

km/h

91%

12:00

12°

km/h

82%

13:00

12°

km/h

76%

14:00

12°

km/h

79%

15:00

12°

km/h

79%

16:00

11°

km/h

77%

17:00

11°

km/h

81%

18:00

10°

km/h

83%

19:00

9°

km/h

87%

20:00

8°

km/h

90%

21:00

9°

km/h

92%

22:00

7°

km/h

91%

23:00

7°

km/h

93%

Sun

00:00

7°

km/h

96%

01:00

8°

km/h

96%

02:00

7°

km/h

94%

03:00

8°

km/h

94%

04:00

90%

7°

km/h

96%

05:00

90%

8°

km/h

96%

06:00

8°

km/h

98%

07:00

90%

8°

km/h

99%

08:00

8°

km/h

99%

09:00

8°

km/h

97%

10:00

9°

km/h

96%

11:00

90%

9°

km/h

98%

12:00

10°

km/h

94%

13:00

90%

11°

km/h

99%

14:00

90%

11°

km/h

99%

15:00

12°

km/h

85%

16:00

90%

11°

km/h

84%

17:00

11°

km/h

88%

18:00

13°

km/h

65%

19:00

12°

km/h

71%

20:00

9°

km/h

82%

21:00

7°

km/h

93%

22:00

6°

km/h

95%

23:00

6°

km/h

96%

Mon

00:00

5°

km/h

96%

01:00

5°

km/h

96%

02:00

5°

km/h

97%

03:00

4°

km/h

97%

04:00

4°

km/h

97%

05:00

4°

km/h

96%

06:00

4°

km/h

96%

07:00

5°

km/h

91%

08:00

8°

km/h

77%

09:00

11°

km/h

67%

10:00

13°

km/h

65%

11:00

13°

km/h

65%

12:00

15°

km/h

60%

Daily forecast

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

Today

18°

7°

km/h

82%

Sat

12°

6°

km/h

88%

Sun

13°

6°

km/h

91%

Air pollutants

What is the current air quality near Hennessey Ridge Road?

PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

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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

Protect yourself from air pollution in Hennessey Ridge Road

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Face Masks

Air Quality Monitors

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

30 AQI⁺ US

Good

12:00–13:00 Apr 24 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	Fir Hill Drive	34
2	Hennessey Ridge Road	30
3	376 Pratt Ave	29
4	Chiles Pope Valley Road	29
5	Inglewood Avenue	29
6	Hudson Avenue	25
7	Pratt Avenue	24
8	Chaix Lane	22
9	Main Street 1	14
10	1174 Conn Valley Road	0

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Mission, Texas	97
2	Three Rivers, Oregon	81
3	Port Arthur, Texas	80
4	West Lake Hills, Texas	73
5	Columbia, South Carolina	70
6	Black Mountain, North Carolina	67
7	Middletown, Ohio	67
8	Asheville, North Carolina	66
9	Greenville, South Carolina	66
10	Harrodsburg, Kentucky	66