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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 | Low | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in San Diego?
| Weather | Broken clouds |
| Temperature | 78.8°F |
| Humidity | 70% |
| Wind | 11.7 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Apple Valley, Minnesota | 176 |
| 2 | Emmetsburg, Iowa | 170 |
| 3 | Rochester, Minnesota | 170 |
| 4 | Savage, Minnesota | 169 |
| 5 | Edina, Minnesota | 159 |
| 6 | Minneapolis, Minnesota | 158 |
| 7 | Saint Paul, Minnesota | 157 |
| 8 | Blaine, Minnesota | 156 |
| 9 | Chetek, Wisconsin | 144 |
| 10 | Hot Springs, South Dakota | 142 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
73*
live AQI index
Moderate
Overview
What is the current air quality in San Diego?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 73* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 21*µg/m³ | |
!
PM2.5
x4.2
PM2.5 concentration in San Diego is currently 4.2 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 73 AQI US |  90% | 96.8° 68° |  24.6 mp/h |
| Tuesday, May 14 | Moderate 60 AQI US |  | 95° 66.2° | 13.4 mp/h |
| Wednesday, May 15 | Moderate 59 AQI US |  | 93.2° 68° | 20.1 mp/h |
| Thursday, May 16 | Moderate 62 AQI US | 20% | 96.8° 75.2° | 17.9 mp/h |
| Friday, May 17 | Moderate 62 AQI US | | 100.4° 75.2° | 15.7 mp/h |
| Saturday, May 18 | Moderate 66 AQI US | | 102.2° 75.2° | 15.7 mp/h |
| Sunday, May 19 | Moderate 67 AQI US | | 102.2° 73.4° | 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