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Air quality near 645 Greenwich Street, San Francisco

Air quality index (AQI⁺) and PM2.5 air pollution near 645 Greenwich Street, San Francisco • 1.4K Followers

No current dataLast update 17:00, Apr 23 Local time

Data source: PurpleAir

US AQI⁺

Good

Main pollutant:

PM2.5

0.5 µg/m³

11°

15 km/h

96 %

Data source: PurpleAir

Hourly forecast

645 Greenwich Street, San Francisco air quality index (AQI⁺) forecast

11:00

90%

11°

km/h

95%

12:00

20%

12°

km/h

92%

13:00

12°

km/h

96%

14:00

90%

12°

km/h

95%

15:00

12°

km/h

88%

16:00

12°

km/h

90%

17:00

90%

12°

km/h

92%

18:00

12°

km/h

97%

19:00

90%

11°

km/h

93%

20:00

11°

km/h

96%

21:00

11°

km/h

95%

22:00

90%

11°

km/h

96%

23:00

90%

11°

km/h

98%

00:00

11°

km/h

92%

01:00

10°

km/h

95%

02:00

90%

10°

km/h

91%

03:00

10°

km/h

95%

04:00

90%

9°

km/h

99%

05:00

10°

km/h

96%

06:00

10°

km/h

96%

07:00

90%

10°

km/h

88%

08:00

10°

km/h

85%

09:00

11°

km/h

92%

10:00

90%

11°

km/h

91%

11:00

11°

km/h

81%

12:00

11°

km/h

78%

13:00

12°

km/h

78%

14:00

12°

km/h

79%

15:00

12°

km/h

84%

16:00

12°

km/h

83%

17:00

12°

km/h

85%

18:00

13°

km/h

67%

19:00

13°

km/h

68%

20:00

13°

km/h

69%

21:00

13°

km/h

70%

22:00

13°

km/h

68%

23:00

13°

km/h

67%

00:00

12°

km/h

67%

01:00

12°

km/h

65%

02:00

12°

km/h

63%

03:00

12°

km/h

67%

04:00

12°

km/h

71%

05:00

12°

km/h

74%

06:00

12°

km/h

75%

07:00

12°

km/h

75%

08:00

12°

km/h

78%

09:00

13°

km/h

76%

10:00

13°

km/h

73%

11:00

14°

km/h

67%

12:00

15°

km/h

66%

13:00

15°

km/h

69%

14:00

15°

km/h

59%

15:00

15°

km/h

56%

16:00

15°

km/h

56%

17:00

15°

km/h

58%

18:00

15°

km/h

60%

19:00

14°

km/h

63%

20:00

14°

km/h

71%

21:00

13°

km/h

75%

22:00

13°

km/h

75%

23:00

12°

km/h

75%

00:00

12°

km/h

76%

01:00

12°

km/h

76%

02:00

12°

km/h

76%

03:00

12°

km/h

75%

04:00

12°

km/h

76%

05:00

11°

km/h

76%

06:00

11°

km/h

77%

07:00

11°

km/h

77%

08:00

12°

km/h

74%

09:00

12°

km/h

71%

Daily forecast

645 Greenwich Street, San Francisco air quality index (AQI⁺) forecast

Today

90%

12°

10°

km/h

95%

Sat

13°

10°

km/h

80%

Sun

15°

12°

km/h

68%

Air pollutants

What is the current air quality near 645 Greenwich Street?

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

Get a monitor

Real-time 645 Greenwich Street, San Francisco air pollution map

Pollen

What is the pollen count in 645 Greenwich Street today?

Index

Low

Tree Low	25%
Grass Low	25%
Weed None	0%

Source:

wetter.com

Pollen forecast

Protect yourself from air pollution in 645 Greenwich Street

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Pollen

What is the pollen count in 645 Greenwich Street today?

Index

Low

Tree Low	25%
Grass Low	25%
Weed None	0%

Source:

wetter.com

Pollen forecast

History

Historic air quality graph for 645 Greenwich Street

3 AQI⁺ US

Good

17:00–18:00 Apr 23 Local time

AQI⁺ US

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Most polluted locations near 645 Greenwich Street, San Francisco

Worldwide AQI⁺ ranking

Station ranking

Real-time 645 Greenwich Street AQI⁺ station ranking

#	Stations	AQI⁺ US
1	100-200 Colby St	32
2	100-200 Maynard St	32
3	1377 29th Ave	29
4	100 Block Andover	27
5	1501-1599 8th Ave	27
6	1034-1064 14th St	26
7	12th Ave	26
8	1108-1126 Cabrillo St	23
9	144 Funston Avenue	22
10	116 Marietta Drive	19

City ranking

Real-time USA AQI⁺ city ranking

#	Cities	AQI⁺ US
1	Mission, Texas	92
2	Port Arthur, Texas	82
3	Middletown, Ohio	72
4	Dayton, Ohio	70
5	San Antonio, Texas	69
6	Briarcliff, Texas	68
7	Columbia, South Carolina	68
8	Pflugerville, Texas	68
9	West Lake Hills, Texas	68
10	Wynnedale, Indiana	68