San Francisco Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in California
Last Updated: 2025-01-24 07:58:33 AM
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MapSan Francisco
AQI Graph
Historical Air Quality Data
San Francisco
AQI Trends - Annual Air Quality Changes
San Francisco, California, United States
Annual AQI Trends
Most & Least Polluted Years
* This data analysis is from year 2020 - 2025
San Francisco's Locations
Real-time Air Pollution Level
United States's Metro Cities
Air Quality Index
Air Quality Calendar 2025
San Francisco
Health Advice For People Living In
San Francisco
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI
Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.
Get an Air PurifierPrevent Health Problems: Understand Your Risks
San Francisco
Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)
Mid. Chances of Asthma
Asthma
Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)
Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.
Do's :
Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.
Don'ts :
Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.
Most Polluted Cities 2025
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Lancaster, United States
2.
Leacock, United States
3.
Bern, United States
4.
Chula Vista, United States
5.
Brawley, United States
6.
Steelton, United States
7.
Bishop, United States
8.
Derry Township, United States
9.
Lebanon, United States
10.
Hanford, United States
Last Updated: 2025-01-24 07:58:24 AM
AQI City RankingsAir Quality Solutions For San Francisco
Explore the solutions of air quality monitoring & clean air.
Here are some applications that you can go through to find out the solutions.
San Francisco's AQI Data Analytics Solutions
Air quality data monitoring platforms
Mobile App
Smart TV App
Web Dashboard
API
Widgets
Your area’s real-time data with detailed parameters.
Personalized health advice as per current AQI.
Analytical data to identify trends and conditions.
Connect and control your air quality devices.
Air Quality FAQs
at San Francisco
Frequently Asked Questions About Air Quality
What is the current AQI level in San Francisco?
The current real-time AQI level in San Francisco is 55 (Moderate). This was last updated 2025-01-24 07:58:33 AM.
When was the best AQI level in San Francisco in the last 24 hours?
The best AQI level was 29 (Good) at 7:13 PM, Jan. 23, 2025 during the last 24 hours.
When was the worst AQI level in San Francisco in the last 24 hours?
The worst AQI level was 66 (Moderate) at 12:13 PM, Jan. 23, 2025 during the last 24 hours.
What is the current trend of AQI levels in San Francisco during last 24 hours?
The AQI levels in San Francisco have been fluctuating throughout the last 24 hours. The levels have increased by highest 66 at 12:13 PM, Jan. 23, 2025, lowest 29 at 7:13 PM, Jan. 23, 2025.
What actions are recommended as per the current AQI level in San Francisco?
Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.
Recent AQI Blogs
Read the latest news
Here are some latest blogs that you can go through to find out more air pollution.
