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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 | Very high | |
 | Tree pollen | None | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in San Diego?
| Weather | Few clouds |
| Temperature | 84.2°F |
| Humidity | 59% |
| Wind | 12.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 103 |
| 2 | Mecca, California | 93 |
| 3 | Glendora, California | 89 |
| 4 | San Bernardino, California | 86 |
| 5 | Calexico, California | 84 |
| 6 | North Hollywood, California | 83 |
| 7 | Pahrump, Nevada | 82 |
| 8 | Coachella, California | 80 |
| 9 | Redlands, California | 79 |
| 10 | La Canada Flintridge, California | 78 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
63*
live AQI index
Moderate
Overview
What is the current air quality in San Diego?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 63* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15.4*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 63 AQI US |  40% | 102.2° 75.2° |  20.1 mp/h |
| Sunday, Jun 2 | Moderate 56 AQI US |  | 102.2° 77° | 24.6 mp/h |
| Monday, Jun 3 | Moderate 53 AQI US | | 104° 78.8° | 24.6 mp/h |
| Tuesday, Jun 4 | Moderate 53 AQI US | | 105.8° 77° | 20.1 mp/h |
| Wednesday, Jun 5 | Moderate 61 AQI US | | 107.6° 77° | 20.1 mp/h |
| Thursday, Jun 6 | Moderate 65 AQI US | | 104° 75.2° | 20.1 mp/h |
| Friday, Jun 7 | Moderate 73 AQI US | | 102.2° 71.6° | 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