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Air quality in San Francisco

Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 591 Followers • 04:00, Jun 08 Local time

41*

US AQI⁺

Good

Main pollutant:

PM2.5

7.5 µg/m³

18°

3 km/h

97 %

Hourly forecast

San Francisco air quality index (AQI⁺) forecast

Now

18°

km/h

97%

06:00

18°

km/h

97%

07:00

19°

km/h

95%

08:00

20°

km/h

90%

09:00

22°

km/h

81%

10:00

25°

km/h

65%

11:00

27°

km/h

57%

12:00

28°

km/h

50%

13:00

29°

km/h

47%

14:00

29°

km/h

46%

15:00

29°

km/h

48%

16:00

28°

km/h

53%

17:00

24°

km/h

71%

18:00

21°

km/h

85%

19:00

20°

km/h

89%

20:00

19°

km/h

90%

21:00

90%

19°

km/h

97%

22:00

90%

19°

km/h

96%

23:00

19°

km/h

96%

Tue

00:00

19°

km/h

96%

01:00

19°

km/h

98%

02:00

19°

km/h

98%

03:00

18°

km/h

98%

04:00

19°

km/h

97%

05:00

19°

km/h

97%

06:00

18°

km/h

96%

07:00

19°

km/h

95%

08:00

21°

km/h

90%

09:00

22°

km/h

82%

10:00

24°

km/h

70%

11:00

25°

km/h

58%

12:00

27°

km/h

49%

13:00

27°

km/h

49%

14:00

29°

km/h

45%

15:00

29°

km/h

45%

16:00

27°

km/h

54%

17:00

24°

km/h

68%

18:00

21°

km/h

82%

19:00

20°

km/h

89%

20:00

19°

km/h

91%

21:00

19°

km/h

88%

22:00

19°

km/h

85%

23:00

19°

km/h

80%

Wed

00:00

19°

km/h

75%

01:00

19°

km/h

69%

02:00

18°

km/h

69%

03:00

18°

km/h

66%

04:00

17°

km/h

61%

05:00

17°

km/h

58%

06:00

17°

km/h

55%

07:00

18°

km/h

52%

08:00

22°

km/h

46%

09:00

25°

km/h

43%

10:00

27°

km/h

35%

11:00

30°

km/h

28%

12:00

31°

km/h

25%

13:00

31°

km/h

28%

14:00

31°

km/h

32%

15:00

30°

km/h

37%

16:00

28°

km/h

43%

17:00

25°

km/h

57%

18:00

21°

km/h

71%

19:00

20°

km/h

73%

20:00

20°

km/h

71%

21:00

20°

km/h

70%

22:00

20°

km/h

69%

23:00

22°

km/h

64%

Thu

00:00

21°

km/h

65%

01:00

19°

km/h

75%

02:00

18°

km/h

79%

03:00

18°

km/h

78%

04:00

18°

km/h

73%

Daily forecast

San Francisco air quality index (AQI⁺) forecast

Today

29°

18°

km/h

74%

Tue

29°

18°

km/h

73%

Wed

31°

17°

km/h

49%

Air pollutants

What is the current air quality in San Francisco?

PM2.5 concentration is currently 1.5 times the World Health Organization annual PM2.5 guideline value.

Real-time San Francisco air pollution map

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Protect yourself from air pollution in San Francisco

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series

Health recommendations

Enjoy outdoor activities

Open your windows to bring clean, fresh air indoors

Get a monitor

Real-time San Francisco air pollution map

Protect yourself from air pollution in San Francisco

SHOP IQAIR PRODUCTS

Monitor the air you breathe

Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.

AirVisual Series

Medical grade air purifiers

Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.

HealthPro Series

Powerful, stylish air purifiers

Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.

Atem Series