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Air quality in San Francisco

Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 8 Followers • 18:00, Apr 23 Local time

58*

US AQI⁺

Moderate

face expression based on aqi value

Main pollutant:

PM2.5

12.9 µg/m³

weather condition icon

25°

wind direction icon

4 km/h

weather humid icon

77 %

Hourly forecast

San Francisco air quality index (AQI⁺) forecast

Now

58

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

4

km/h

Humidity icon

77%

21:00

59

Weather icon

90%

24°

IQAir AirVisual Air Quality Map Wind rotating 255 degree

4

km/h

Humidity icon

82%

22:00

59

Weather icon

90%

24°

IQAir AirVisual Air Quality Map Wind rotating 334 degree

3

km/h

Humidity icon

85%

23:00

61

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 342 degree

4

km/h

Humidity icon

86%

Fri

00:00

62

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 324 degree

5

km/h

Humidity icon

86%

01:00

63

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 316 degree

5

km/h

Humidity icon

86%

02:00

63

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 322 degree

5

km/h

Humidity icon

86%

03:00

65

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 323 degree

4

km/h

Humidity icon

87%

04:00

66

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 303 degree

4

km/h

Humidity icon

87%

05:00

66

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 326 degree

3

km/h

Humidity icon

87%

06:00

67

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

0

km/h

Humidity icon

86%

07:00

64

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 106 degree

1

km/h

Humidity icon

77%

08:00

61

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 127 degree

4

km/h

Humidity icon

67%

09:00

59

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

5

km/h

Humidity icon

58%

10:00

58

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 141 degree

6

km/h

Humidity icon

50%

11:00

58

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 138 degree

6

km/h

Humidity icon

43%

12:00

58

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 150 degree

5

km/h

Humidity icon

40%

13:00

58

Weather icon

80%

32°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

5

km/h

Humidity icon

45%

14:00

59

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 178 degree

3

km/h

Humidity icon

49%

15:00

60

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

5

km/h

Humidity icon

53%

16:00

60

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 172 degree

5

km/h

Humidity icon

51%

17:00

60

Weather icon

30°

IQAir AirVisual Air Quality Map Wind rotating 159 degree

6

km/h

Humidity icon

53%

18:00

60

Weather icon

90%

27°

IQAir AirVisual Air Quality Map Wind rotating 175 degree

4

km/h

Humidity icon

68%

19:00

61

Weather icon

90%

26°

IQAir AirVisual Air Quality Map Wind rotating 288 degree

2

km/h

Humidity icon

76%

20:00

62

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 17 degree

2

km/h

Humidity icon

79%

21:00

64

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 339 degree

1

km/h

Humidity icon

85%

22:00

65

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 258 degree

1

km/h

Humidity icon

86%

23:00

67

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

3

km/h

Humidity icon

88%

Sat

00:00

69

Weather icon

80%

24°

IQAir AirVisual Air Quality Map Wind rotating 278 degree

5

km/h

Humidity icon

90%

01:00

70

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 296 degree

5

km/h

Humidity icon

90%

02:00

71

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 301 degree

4

km/h

Humidity icon

91%

03:00

72

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

3

km/h

Humidity icon

91%

04:00

71

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 327 degree

3

km/h

Humidity icon

91%

05:00

70

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 317 degree

3

km/h

Humidity icon

91%

06:00

69

Weather icon

23°

IQAir AirVisual Air Quality Map Wind rotating 337 degree

3

km/h

Humidity icon

90%

07:00

66

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 331 degree

1

km/h

Humidity icon

80%

08:00

63

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 200 degree

1

km/h

Humidity icon

71%

09:00

61

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 184 degree

3

km/h

Humidity icon

61%

10:00

60

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 183 degree

5

km/h

Humidity icon

54%

11:00

59

Weather icon

32°

IQAir AirVisual Air Quality Map Wind rotating 174 degree

6

km/h

Humidity icon

49%

12:00

59

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 160 degree

4

km/h

Humidity icon

46%

13:00

58

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 77 degree

3

km/h

Humidity icon

42%

14:00

57

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 123 degree

7

km/h

Humidity icon

38%

15:00

57

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 145 degree

17

km/h

Humidity icon

43%

16:00

57

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 146 degree

16

km/h

Humidity icon

55%

17:00

57

Weather icon

80%

30°

IQAir AirVisual Air Quality Map Wind rotating 164 degree

9

km/h

Humidity icon

58%

18:00

57

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

7

km/h

Humidity icon

66%

19:00

58

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 197 degree

5

km/h

Humidity icon

72%

20:00

59

Weather icon

80%

26°

IQAir AirVisual Air Quality Map Wind rotating 222 degree

2

km/h

Humidity icon

83%

21:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 250 degree

1

km/h

Humidity icon

86%

22:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 257 degree

1

km/h

Humidity icon

88%

23:00

60

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 283 degree

2

km/h

Humidity icon

89%

Sun

00:00

61

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 319 degree

2

km/h

Humidity icon

90%

01:00

62

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 297 degree

2

km/h

Humidity icon

90%

02:00

63

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 299 degree

3

km/h

Humidity icon

90%

03:00

64

Weather icon

25°

IQAir AirVisual Air Quality Map Wind rotating 304 degree

3

km/h

Humidity icon

90%

04:00

66

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 315 degree

3

km/h

Humidity icon

90%

05:00

68

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 310 degree

3

km/h

Humidity icon

90%

06:00

70

Weather icon

24°

IQAir AirVisual Air Quality Map Wind rotating 305 degree

2

km/h

Humidity icon

89%

07:00

67

Weather icon

26°

IQAir AirVisual Air Quality Map Wind rotating 300 degree

1

km/h

Humidity icon

81%

08:00

65

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 134 degree

1

km/h

Humidity icon

71%

09:00

63

Weather icon

29°

IQAir AirVisual Air Quality Map Wind rotating 137 degree

5

km/h

Humidity icon

64%

10:00

61

Weather icon

31°

IQAir AirVisual Air Quality Map Wind rotating 132 degree

7

km/h

Humidity icon

56%

11:00

60

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 124 degree

7

km/h

Humidity icon

51%

12:00

59

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 112 degree

8

km/h

Humidity icon

47%

13:00

58

Weather icon

35°

IQAir AirVisual Air Quality Map Wind rotating 119 degree

11

km/h

Humidity icon

42%

14:00

58

Weather icon

34°

IQAir AirVisual Air Quality Map Wind rotating 144 degree

17

km/h

Humidity icon

43%

15:00

58

Weather icon

33°

IQAir AirVisual Air Quality Map Wind rotating 158 degree

16

km/h

Humidity icon

48%

16:00

58

Weather icon

90%

31°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

12

km/h

Humidity icon

55%

17:00

58

Weather icon

90%

30°

IQAir AirVisual Air Quality Map Wind rotating 199 degree

9

km/h

Humidity icon

61%

18:00

59

Weather icon

28°

IQAir AirVisual Air Quality Map Wind rotating 209 degree

7

km/h

Humidity icon

71%

19:00

60

Weather icon

27°

IQAir AirVisual Air Quality Map Wind rotating 206 degree

5

km/h

Humidity icon

79%

Daily forecast

|

San Francisco air quality index (AQI⁺) forecast

Today

62

Weather icon

34°

23°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

6

km/h

Humidity icon

63%

Fri

64

Weather icon

34°

23°

IQAir AirVisual Air Quality Map Wind rotating 180 degree

17

km/h

Humidity icon

64%

Sat

62

Weather icon

35°

24°

IQAir AirVisual Air Quality Map Wind rotating 135 degree

17

km/h

Humidity icon

65%

Air pollutants

What is the current air quality in San Francisco?

IQAir exclamation icon

PM2.5 concentration is currently 2.6 times the World Health Organization annual PM2.5 guideline value.

air quality map

Real-time San Francisco air pollution map

Health recommendations

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Sensitive groups should reduce outdoor exercise

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Close your windows to avoid dirty outdoor air

Get a monitor
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Sensitive groups should wear a mask outdoors

Get a mask
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Sensitive groups should run an air purifier

Get an air purifier

Protect yourself from air pollution in San Francisco

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Health recommendations

common.healthRecommendationComp.icons.exerciseAlt

Sensitive groups should reduce outdoor exercise

common.healthRecommendationComp.icons.windowAlt

Close your windows to avoid dirty outdoor air

Get a monitor
common.healthRecommendationComp.icons.maskAlt

Sensitive groups should wear a mask outdoors

Get a mask
common.healthRecommendationComp.icons.airPurifierAlt

Sensitive groups should run an air purifier

Get an air purifier
air quality map

Real-time San Francisco air pollution map

Protect yourself from air pollution in San Francisco

SHOP IQAIR PRODUCTS

Air Purifiers

Face Masks

Air Quality Monitors

Most polluted locations near San Francisco

Worldwide AQI⁺ rankingArrow icon

History

Historic air quality graph for San Francisco

58 AQI⁺ US
Moderate
18:00–19:00 Apr 23 Local time
AQI⁺ US

History

Historic air quality graph for San Francisco

58 AQI⁺ US
Moderate
18:00–19:00 Apr 23 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

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