Air quality near 645 Greenwich Street, San Francisco

Air quality index (AQI) and PM2.5 air pollution near 645 Greenwich Street, San Francisco

Last update at (local time)

1K people follow this station

  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
IQAir map with AQI colorful pins

AIR QUALITY DATA CONTRIBUTORS

Join the movement!

Get a monitor and contributor to air quality data in your city.

BECOME A CONTRIBUTOR
Find out more about contributors and data sources

Weather

What is the current weather near 645 Greenwich Street, San Francisco?

Weather icon
WeatherBroken clouds
Temperature50°F
Humidity79%
Wind8 mp/h
Pressure30 Hg

live aqi city ranking

Real-time USA city ranking

#cityUS AQI
1 Lawrence, Kansas

102

2 Kansas City, Kansas

94

3 Kalamazoo, Michigan

74

4 Kansas City, Missouri

74

5 Valentine, Nebraska

64

6 Casa Grande, Arizona

63

7 Keosauqua, Iowa

62

8 Columbus, Ohio

61

9 Michigan City, Indiana

61

10 Upper Arlington, Ohio

61

(local time)

SEE WORLD AQI RANKING

live aqi station ranking

Real-time San Francisco air quality ranking

#stationUS AQI
1 CEEP at Star

138

2 Shore View Ave

35

3 Maynard Street

33

4 Safer Together/Bernal

30

5 Outer Sunset-2340 42nd Ave

29

6 Potrero Hill 2

29

7 Outer Sunset 4

28

8 Quintara Street 2

26

9 3398 Baker Street

25

10 Baker Beach

25

(local time)

SEE WORLD AQI RANKING

#1 Air Quality App

Free iOS and Android air quality app

AirVisual App, Free iOS and Android air quality app

US AQI

7

live AQI index
Good

Human face indicating AQI level

Overview

What is the current air quality near 645 Greenwich Street, San Francisco?

Air pollution levelAir quality indexMain pollutant
Good 7 US AQItrendPM2.5
PollutantsConcentration
PM2.5
1.8µg/m³trend

Health Recommendations

What is the current air quality near 645 Greenwich Street, San Francisco?

A man cycling icon
Enjoy outdoor activities
An open window icon
Open your windows to bring clean, fresh air indoors
GET A MONITOR

Forecast

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

DayPollution levelWeatherTemperatureWind
Monday, Mar 25

Good 6 AQI US

Human face indicating AQI level
Tuesday, Mar 26

Good 5 AQI US

Human face indicating AQI level
Wednesday, Mar 27

Good 8 AQI US

Human face indicating AQI level
Today

Good 7 AQI US

Human face indicating AQI level
Weather icon 100%
51.8° 48.2°
Wind rotating 135 degree 22.4 mp/h
Friday, Mar 29

Good 8 AQI US

Human face indicating AQI level
Weather icon 100%
57.2° 46.4°
Wind rotating 41 degree 17.9 mp/h
Saturday, Mar 30

Good 18 AQI US

Human face indicating AQI level
Weather icon 40%
55.4° 48.2°
Wind rotating 303 degree 13.4 mp/h
Sunday, Mar 31

Good 19 AQI US

Human face indicating AQI level
Weather icon
60.8° 48.2°
Wind rotating 259 degree 6.7 mp/h
Monday, Apr 1

Good 10 AQI US

Human face indicating AQI level
Weather icon
64.4° 51.8°
Wind rotating 269 degree 8.9 mp/h
Tuesday, Apr 2

Good 11 AQI US

Human face indicating AQI level
Weather icon
57.2° 48.2°
Wind rotating 284 degree 17.9 mp/h
Wednesday, Apr 3

Good 15 AQI US

Human face indicating AQI level
Weather icon
51.8° 46.4°
Wind rotating 287 degree 20.1 mp/h

Interested in hourly forecast? Get the app

How to best protect from air pollution?

Reduce your air pollution exposure in 645 Greenwich Street, San Francisco

645 Greenwich Street air quality data attribution

Contributor

Data source

Data validated and calibrated by IQAirData validated and calibrated by IQAir

Where is the cleanest air quality in San Francisco?

Cart
Your cart is empty
IQAir Blue Banner

Connect With IQAir

Sign up for our newsletter