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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 | Moderate | |
 | Tree pollen | Low | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in San Diego?
| Weather | Broken clouds |
| Temperature | 80.6°F |
| Humidity | 66% |
| Wind | 18.2 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Olancha, California | 179 |
| 2 | Keeler, California | 162 |
| 3 | Pahrump, Nevada | 76 |
| 4 | Palm Desert, California | 70 |
| 5 | Barstow, California | 66 |
| 6 | Lone Pine, California | 62 |
| 7 | Mecca, California | 61 |
| 8 | Sierra Madre, California | 59 |
| 9 | Campo, California | 58 |
| 10 | Corpus Christi, Texas | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
42*
live AQI index
Good
Overview
What is the current air quality in San Diego?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 42* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.2*µg/m³ | |
!
PM2.5
x2
PM2.5 concentration in San Diego is currently 2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in San Diego?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
San Diego air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 42 AQI US |  40% | 89.6° 71.6° |  17.9 mp/h |
| Sunday, May 5 | Good 41 AQI US | | 96.8° 71.6° | 17.9 mp/h |
| Monday, May 6 | Good 48 AQI US | | 100.4° 73.4° | 15.7 mp/h |
| Tuesday, May 7 | Moderate 56 AQI US  | | 107.6° 73.4° | 13.4 mp/h |
| Wednesday, May 8 | Moderate 64 AQI US | | 100.4° 73.4° | 13.4 mp/h |
| Thursday, May 9 | Moderate 72 AQI US | 100% | 82.4° 71.6° | 17.9 mp/h |
| Friday, May 10 | Moderate 60 AQI US | | 80.6° 62.6° | 15.7 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in San Diego?
No locations are available.
AQI US, Metric