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Air quality in San Juan
Air quality index (AQI) and PM2.5 air pollution in San Juan
18 people follow this city
San Juan Air Quality Map
Real-time San Juan air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in San Juan today?
 | Index | High | |
 | Tree pollen | None | |
 | Grass pollen | High | |
 | Weed pollen | None |
Weather
What is the current weather in San Juan?
| Weather | Clear sky |
| Temperature | 80.6°F |
| Humidity | 73% |
| Wind | 18.4 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Three Rivers, California | 79 |
| 2 | Porterville, California | 77 |
| 3 | Springville, California | 76 |
| 4 | Lancaster, Pennsylvania | 70 |
| 5 | Visalia, California | 63 |
| 6 | Charlottesville, Virginia | 61 |
| 7 | Durham, North Carolina | 60 |
| 8 | Fort Worth, Texas | 60 |
| 9 | Lewisville, Texas | 59 |
| 10 | Pasadena, Texas | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in San Juan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.5*µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in San Juan is currently 2.7 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 54 AQI US |  | 95° 73.4° |  17.9 mp/h |
| Thursday, Apr 18 | Good 44 AQI US  |  | 93.2° 73.4° | 15.7 mp/h |
| Friday, Apr 19 | Good 41 AQI US | | 91.4° 73.4° | 17.9 mp/h |
| Saturday, Apr 20 | Good 36 AQI US |  100% | 75.2° 69.8° | 13.4 mp/h |
| Sunday, Apr 21 | Moderate 57 AQI US | 60% | 69.8° 64.4° | 11.2 mp/h |
| Monday, Apr 22 | Moderate 60 AQI US | 20% | 82.4° 66.2° | 8.9 mp/h |
| Tuesday, Apr 23 | Moderate 56 AQI US | | 87.8° 71.6° | 11.2 mp/h |
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How to best protect from air pollution?
News
The latest air quality news and resources.
Where is the cleanest air quality in San Juan?
No locations are available.
AQI US, Metric