Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Today's Pollen Count in San Juan
Low
Air quality
Air quality of San Juan today
| AQI US AQI | Good | |
| PM2.5 µg/m³ | Good |
3D animated air pollution map
Allergy forecast
San Juan pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | Low | Low | Low | None |  11.2 mp/h |  | 64.4° 46.4° |
| Friday, May 17 | Low | Low | Low | None | 15.7 mp/h | | 71.6° 48.2° |
| Saturday, May 18 | Low | Low | Low | None | 22.4 mp/h |  | 69.8° 51.8° |
AQI US, Metric