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Air quality in San Juan
Air quality index (AQI) and PM2.5 air pollution in San Juan
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San Juan Air Quality Map
Real-time San Juan air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in San Juan?
| Weather | Few clouds |
| Temperature | 84.2°F |
| Humidity | 77% |
| Wind | 18.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 91 |
| 2 | Casa Grande, Arizona | 68 |
| 3 | Calexico, California | 66 |
| 4 | Lubbock, Texas | 65 |
| 5 | Pahrump, Nevada | 64 |
| 6 | Yucaipa, California | 61 |
| 7 | Lake Arrowhead, California | 60 |
| 8 | San Antonio, Texas | 60 |
| 9 | San Bernardino, California | 60 |
| 10 | San Fernando, California | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
84*
live AQI index
Moderate
Overview
What is the current air quality in San Juan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 84* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 27*µg/m³ | |
!
PM2.5
x5.4
PM2.5 concentration in San Juan is currently 5.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in San Juan?
 | 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 Juan air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 84 AQI US |  | 100.4° 78.8° |  17.9 mp/h |
| Wednesday, May 29 | Moderate 54 AQI US |  | 102.2° 77° | 20.1 mp/h |
| Thursday, May 30 | Moderate 55 AQI US |  | 102.2° 78.8° | 22.4 mp/h |
| Friday, May 31 | Moderate 55 AQI US |  20% | 100.4° 78.8° | 20.1 mp/h |
| Saturday, Jun 1 | Moderate 64 AQI US | | 100.4° 78.8° | 22.4 mp/h |
| Sunday, Jun 2 | Moderate 65 AQI US | | 102.2° 78.8° | 22.4 mp/h |
| Monday, Jun 3 | Moderate 64 AQI US | | 102.2° 78.8° | 22.4 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 Juan?
No locations are available.
AQI US, Metric