Air quality in San Francisco

Air quality index (AQI) and PM2.5 air pollution in San Francisco

LAST UPDATE (local time)

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Air Quality contributors Sources

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Contributors

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Data sources

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Weather

What is the current weather in San Francisco?

Weather icon
WeatherBroken clouds
Temperature68°C
Humidity84%
Wind1.3 mp/h
Pressure1018 mb

live aqi city ranking

Real-time Guatemala city ranking

#cityUS AQI
1 San Andres, Peten

75

2 San Benito, Peten

60

3 Sayaxche, Peten

59

4 San Francisco, Peten

54

5 Antigua Guatemala, Sacatepequez

26

(local time)

SEE WORLD AQI RANKING

live San Francisco aqi ranking

Real-time San Francisco air quality ranking

#stationUS AQI
1 Municipalidad de San Francisco

54

(local time)

SEE WORLD AQI RANKING

US AQI

54

live AQI index
Moderate

Human face indicating AQI level

Overview

What is the current air quality in San Francisco?

Air pollution levelAir quality indexMain pollutant
Moderate 54 US AQItrendPM2.5
PollutantsConcentration
PM2.5
13.5 µg/m³trend

Health Recommendations

How to protect from air pollution in San Francisco?

An open window iconClose your windows to avoid dirty outdoor air
A man cycling iconSensitive groups should reduce outdoor exercise

Forecast

San Francisco air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Tuesday, Jan 12

Moderate 86 US AQI

Human face indicating AQI level
Wednesday, Jan 13

Moderate 95 US AQI

Human face indicating AQI level
Thursday, Jan 14

Moderate 81 US AQI

Human face indicating AQI level
Friday, Jan 15

Moderate 55 US AQI

Human face indicating AQI level
Weather icon68°64.4°
Wind rotating 320 degree

0 mp/h

Today

Good 32 US AQI

Human face indicating AQI level
Weather icon77°62.6°
Wind rotating 113 degree

2.2 mp/h

Sunday, Jan 17

Good 34 US AQI

Human face indicating AQI level
Weather icon69.8°64.4°
Wind rotating 47 degree

2.2 mp/h

Monday, Jan 18

Good 20 US AQI

Human face indicating AQI level
Weather icon75.2°64.4°
Wind rotating 197 degree

0 mp/h

Tuesday, Jan 19

Good 21 US AQI

Human face indicating AQI level
Weather icon82.4°64.4°
Wind rotating 86 degree

4.5 mp/h

Wednesday, Jan 20

Good 22 US AQI

Human face indicating AQI level
Weather icon75.2°64.4°
Wind rotating 15 degree

2.2 mp/h

Thursday, Jan 21

Good 18 US AQI

Human face indicating AQI level
Weather icon84.2°62.6°
Wind rotating 115 degree

2.2 mp/h

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Historical

Historic air quality graph for San Francisco

How to best protect from air pollution?

Reduce your air pollution exposure in San Francisco

San Francisco air quality data sources

Contributors 1

Data sources 1

Data validated and calibrated by IQAir

Where is the cleanest air quality in San Francisco?