Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in San Diego
Air quality index (AQI) and PM2.5 air pollution in San Diego
591 people follow this city
San Diego Air Quality Map
Real-time San Diego air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in San Diego today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in San Diego?
| Weather | Broken clouds |
| Temperature | 86°F |
| Humidity | 65% |
| Wind | 21.2 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 85 |
| 2 | Mecca, California | 79 |
| 3 | New Braunfels, Texas | 72 |
| 4 | Boerne, Texas | 68 |
| 5 | San Antonio, Texas | 68 |
| 6 | Yucaipa, California | 64 |
| 7 | Georgetown, Texas | 63 |
| 8 | Round Rock, Texas | 59 |
| 9 | Redlands, California | 58 |
| 10 | Banning, California | 57 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
58*
live AQI index
Moderate
Overview
What is the current air quality in San Diego?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 58* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15.6*µg/m³ | |
!
PM2.5
x3.1
PM2.5 concentration in San Diego is currently 3.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in San Diego?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
San Diego air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 58 AQI US |  90% | 86° 73.4° |  20.1 mp/h |
| Thursday, May 2 | Good 50 AQI US  | 60% | 86° 73.4° | 15.7 mp/h |
| Friday, May 3 | Good 45 AQI US | | 84.2° 73.4° | 15.7 mp/h |
| Saturday, May 4 | Good 38 AQI US | 40% | 89.6° 71.6° | 15.7 mp/h |
| Sunday, May 5 | Good 41 AQI US | | 93.2° 71.6° | 17.9 mp/h |
| Monday, May 6 | Moderate 55 AQI US | 20% | 96.8° 73.4° | 20.1 mp/h |
| Tuesday, May 7 | Moderate 57 AQI US | | 100.4° 73.4° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in San Diego?
No locations are available.
AQI US, Metric