Air quality in San Francisco

Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 10:00, May 01 Local time

16*

US AQI⁺

Good

face expression based on aqi value

Main pollutant:

PM2.5

2.9 µg/m³

weather condition icon

32°

wind direction icon

5 km/h

weather humid icon

53 %

Hourly forecast

San Francisco air quality index (AQI⁺) forecast

Now

16

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 157 degree

5

km/h

Humidity icon

53%

12:00

16

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 147 degree

12

km/h

Humidity icon

45%

13:00

17

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 38 degree

2

km/h

Humidity icon

48%

14:00

17

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 344 degree

9

km/h

Humidity icon

50%

15:00

19

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

4

km/h

Humidity icon

51%

16:00

20

Weather icon

90%

29°

IQAir AirVisual Air Quality Map Wind rotating 202 degree

11

km/h

Humidity icon

68%

17:00

23

Weather icon

90%

28°

IQAir AirVisual Air Quality Map Wind rotating 221 degree

11

km/h

Humidity icon

76%

18:00

27

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

5

km/h

Humidity icon

84%

19:00

33

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

4

km/h

Humidity icon

83%

20:00

33

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 291 degree

2

km/h

Humidity icon

81%

21:00

33

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

3

km/h

Humidity icon

80%

22:00

32

Weather icon

80%

27°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

5

km/h

Humidity icon

82%

23:00

31

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 271 degree

6

km/h

Humidity icon

83%

Sat

00:00

30

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

7

km/h

Humidity icon

85%

01:00

30

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

8

km/h

Humidity icon

86%

02:00

30

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 265 degree

5

km/h

Humidity icon

86%

03:00

30

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 281 degree

6

km/h

Humidity icon

85%

04:00

31

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 280 degree

6

km/h

Humidity icon

86%

05:00

30

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

3

km/h

Humidity icon

85%

06:00

30

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 248 degree

4

km/h

Humidity icon

86%

07:00

30

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

3

km/h

Humidity icon

83%

08:00

26

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

1

km/h

Humidity icon

77%

09:00

22

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 166 degree

2

km/h

Humidity icon

76%

10:00

19

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 143 degree

3

km/h

Humidity icon

76%

11:00

18

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

5

km/h

Humidity icon

77%

12:00

18

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 131 degree

5

km/h

Humidity icon

77%

13:00

18

Weather icon

80%

28°

IQAir AirVisual Air Quality Map Wind rotating 113 degree

11

km/h

Humidity icon

75%

14:00

17

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 110 degree

10

km/h

Humidity icon

75%

15:00

17

Weather icon

90%

26°

IQAir AirVisual Air Quality Map Wind rotating 94 degree

8

km/h

Humidity icon

85%

16:00

17

Weather icon

90%

25°

IQAir AirVisual Air Quality Map Wind rotating 107 degree

7

km/h

Humidity icon

90%

17:00

19

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 182 degree

2

km/h

Humidity icon

89%

18:00

21

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 246 degree

7

km/h

Humidity icon

88%

19:00

23

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 267 degree

5

km/h

Humidity icon

90%

20:00

24

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 264 degree

4

km/h

Humidity icon

90%

21:00

26

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 195 degree

7

km/h

Humidity icon

90%

22:00

28

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 227 degree

5

km/h

Humidity icon

92%

23:00

29

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 306 degree

4

km/h

Humidity icon

92%

Sun

00:00

30

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 233 degree

4

km/h

Humidity icon

92%

01:00

32

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 263 degree

5

km/h

Humidity icon

93%

02:00

32

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

7

km/h

Humidity icon

93%

03:00

33

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 254 degree

6

km/h

Humidity icon

94%

04:00

34

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 302 degree

6

km/h

Humidity icon

93%

05:00

36

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

3

km/h

Humidity icon

91%

06:00

38

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 259 degree

2

km/h

Humidity icon

91%

07:00

40

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 260 degree

3

km/h

Humidity icon

87%

08:00

34

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 262 degree

3

km/h

Humidity icon

80%

09:00

28

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 42 degree

2

km/h

Humidity icon

71%

10:00

22

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

7

km/h

Humidity icon

68%

11:00

21

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

9

km/h

Humidity icon

69%

12:00

20

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

12

km/h

Humidity icon

69%

13:00

20

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

10

km/h

Humidity icon

62%

14:00

19

Weather icon

90%

32°

IQAir AirVisual Air Quality Map Wind rotating 103 degree

8

km/h

Humidity icon

60%

15:00

18

Weather icon

90%

30°

IQAir AirVisual Air Quality Map Wind rotating 64 degree

9

km/h

Humidity icon

69%

16:00

18

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

14

km/h

Humidity icon

82%

17:00

19

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 97 degree

10

km/h

Humidity icon

91%

18:00

20

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 125 degree

4

km/h

Humidity icon

91%

19:00

22

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 243 degree

1

km/h

Humidity icon

91%

20:00

24

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 313 degree

1

km/h

Humidity icon

91%

21:00

26

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 268 degree

5

km/h

Humidity icon

91%

22:00

28

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 247 degree

3

km/h

Humidity icon

90%

23:00

29

Weather icon

80%

26°

IQAir AirVisual Air Quality Map Wind rotating 309 degree

1

km/h

Humidity icon

88%

Mon

00:00

31

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

4

km/h

Humidity icon

88%

01:00

33

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 156 degree

3

km/h

Humidity icon

92%

02:00

37

Weather icon

80%

25°

IQAir AirVisual Air Quality Map Wind rotating 14 degree

0

km/h

Humidity icon

94%

03:00

42

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

3

km/h

Humidity icon

94%

04:00

47

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 330 degree

1

km/h

Humidity icon

92%

05:00

43

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 128 degree

3

km/h

Humidity icon

92%

06:00

39

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 129 degree

2

km/h

Humidity icon

94%

07:00

36

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 24 degree

2

km/h

Humidity icon

92%

08:00

31

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 54 degree

3

km/h

Humidity icon

83%

09:00

26

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 79 degree

4

km/h

Humidity icon

79%

10:00

21

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 91 degree

5

km/h

Humidity icon

79%

Daily forecast

|

San Francisco air quality index (AQI⁺) forecast

Today

17

Weather icon

34°

26°

IQAir AirVisual Air Quality Map Wind rotating 270 degree

12

km/h

Humidity icon

66%

Sat

27

Weather icon

28°

25°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

11

km/h

Humidity icon

83%

Sun

28

Weather icon

32°

24°

IQAir AirVisual Air Quality Map Wind rotating 90 degree

14

km/h

Humidity icon

80%

Air pollutants

What is the current air quality in San Francisco?

IQAir Check icon

PM2.5 concentration currently meets the WHO annual PM2.5 guideline.

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

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

common.healthRecommendationComp.icons.exerciseAlt

Enjoy outdoor activities

common.healthRecommendationComp.icons.windowAlt

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

Most polluted locations near San Francisco

Worldwide AQI⁺ rankingArrow icon

History

Historic air quality graph for San Francisco

16 AQI⁺ US
Good
10:00–11:00 May 01 Local time
AQI⁺ US

History

Historic air quality graph for San Francisco

16 AQI⁺ US
Good
10:00–11:00 May 01 Local time
AQI⁺ US

Most polluted locations near San Francisco

Worldwide AQI⁺ rankingArrow icon

Be the first to measure and contribute air quality data to your community

Where is the cleanest air quality in San Francisco?

No locations are available.