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Air quality in San Diego
Air quality index (AQI) and PM2.5 air pollution in San Diego
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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 | 78.8°F |
| Humidity | 85% |
| Wind | 15.5 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Coachella, California | 95 |
| 2 | Maricopa, Arizona | 76 |
| 3 | Mecca, California | 76 |
| 4 | Cleveland, Ohio | 74 |
| 5 | Palm Desert, California | 74 |
| 6 | Pahrump, Nevada | 70 |
| 7 | New York City, New York | 69 |
| 8 | Boerne, Texas | 67 |
| 9 | Corpus Christi, Texas | 62 |
| 10 | Casa Grande, Arizona | 61 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
52*
live AQI index
Moderate
Overview
What is the current air quality in San Diego?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.6*µg/m³ | |
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PM2.5
x2.5
PM2.5 concentration in San Diego is currently 2.5 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 52 AQI US |  80% | 86° 73.4° |  20.1 mp/h |
| Thursday, May 2 | Good 50 AQI US  | 30% | 87.8° 73.4° | 15.7 mp/h |
| Friday, May 3 | Good 45 AQI US | 60% | 86° 73.4° | 15.7 mp/h |
| Saturday, May 4 | Good 38 AQI US | | 91.4° 71.6° | 15.7 mp/h |
| Sunday, May 5 | Good 41 AQI US | | 87.8° 71.6° | 17.9 mp/h |
| Monday, May 6 | Moderate 55 AQI US | 20% | 95° 73.4° | 20.1 mp/h |
| Tuesday, May 7 | Moderate 57 AQI US | | 96.8° 73.4° | 15.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in San Diego?
No locations are available.
AQI US, Metric