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Air quality near Nob Hill, San Francisco

Air quality index (AQI⁺) and PM2.5 air pollution near Nob Hill, San Francisco • 9.5K Followers

No current dataLast update 23:00, Oct 04 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

1.7 µg/m³

16°

4 km/h

89 %

Data source: PurpleAir

Hourly forecast

Nob Hill, San Francisco air quality index (AQI⁺) forecast

01:00

16°

km/h

88%

02:00

16°

km/h

88%

03:00

16°

km/h

88%

04:00

15°

km/h

87%

05:00

15°

km/h

86%

06:00

15°

km/h

85%

07:00

15°

km/h

85%

08:00

15°

km/h

82%

09:00

16°

km/h

77%

10:00

17°

km/h

73%

11:00

18°

km/h

70%

12:00

18°

km/h

66%

13:00

19°

km/h

63%

14:00

19°

km/h

62%

15:00

19°

km/h

66%

16:00

19°

km/h

70%

17:00

18°

km/h

75%

18:00

17°

km/h

79%

19:00

17°

km/h

81%

20:00

16°

km/h

83%

21:00

16°

km/h

83%

22:00

16°

km/h

84%

23:00

16°

km/h

83%

00:00

16°

km/h

83%

01:00

16°

km/h

83%

02:00

16°

km/h

83%

03:00

15°

km/h

82%

04:00

15°

km/h

82%

05:00

15°

km/h

82%

06:00

15°

km/h

82%

07:00

15°

km/h

81%

08:00

15°

km/h

78%

09:00

16°

km/h

73%

10:00

17°

km/h

68%

11:00

18°

km/h

62%

12:00

18°

km/h

58%

13:00

19°

km/h

54%

14:00

19°

km/h

55%

15:00

19°

km/h

59%

16:00

19°

km/h

53%

17:00

19°

km/h

55%

18:00

18°

km/h

57%

19:00

18°

km/h

59%

20:00

18°

km/h

58%

21:00

17°

km/h

60%

22:00

17°

km/h

63%

23:00

17°

km/h

64%

00:00

17°

km/h

67%

01:00

16°

km/h

76%

02:00

16°

km/h

77%

03:00

16°

km/h

80%

04:00

16°

km/h

81%

05:00

15°

km/h

76%

06:00

15°

km/h

70%

07:00

15°

km/h

67%

08:00

15°

km/h

61%

09:00

16°

km/h

57%

10:00

17°

km/h

58%

11:00

18°

km/h

59%

12:00

18°

km/h

68%

13:00

18°

km/h

77%

14:00

18°

km/h

76%

15:00

17°

km/h

75%

16:00

17°

km/h

72%

17:00

17°

km/h

73%

18:00

17°

km/h

76%

19:00

16°

km/h

79%

20:00

16°

km/h

81%

21:00

16°

km/h

82%

22:00

16°

km/h

83%

23:00

15°

km/h

84%

Daily forecast

Nob Hill, San Francisco air quality index (AQI⁺) forecast

Today

19°

15°

km/h

76%

Wed

19°

15°

km/h

63%

Thu

18°

15°

km/h

71%

Air pollutants

What is the current air quality near Nob Hill?

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

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Real-time Nob Hill, San Francisco air pollution map

Pollen

What is the pollen count in Nob Hill today?

Index

Moderate

Tree

Low

25%

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in Nob Hill

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Air Quality Monitors

Pollen

What is the pollen count in Nob Hill today?

Index

Moderate

Tree

Low

25%

Grass

None

Weed

Moderate

50%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for Nob Hill

31 AQI⁺ US

Good

Oct 2026

AQI⁺ US

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Most polluted locations near Nob Hill, San Francisco

Worldwide AQI⁺ ranking

Station ranking

Real-time Nob Hill AQI⁺ station ranking

#	Stations	AQI⁺ US
1	1377 29th Ave	32
2	100-200 Maynard St	22
3	100 Block Andover	17
4	1034-1064 14th St	17
5	1333 Jones St.	16
6	144 Funston Avenue	16
7	1108-1126 Cabrillo St	14
8	100-200 Colby St	12
9	12th Ave	9
10	116 Marietta Drive	5

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Sandpoint, Idaho	166
2	Pixley, California	134
3	Delano, California	125
4	Matheny, California	120
5	White Salmon, Washington	116
6	Bakersfield, California	104
7	Fruitridge Pocket, California	100
8	Franklin, Merced County, California	99
9	Meridian, Idaho	96
10	Yuba City, California	93