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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 CONTRIBUTORS
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Weather
What is the current weather in San Juan?
| Weather | Broken clouds |
| Temperature | 78.8°F |
| Humidity | 84% |
| Wind | 5.6 mp/h |
| Pressure | 29.7 Hg |
3D animated air pollution map
live San Juan aqi ranking
Real-time San Juan air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Unioil Shaw | 69 |
| 2 | San Juan City | 68 |
(Local time)
SEE WORLD AQI RANKING
US AQI
68
live AQI index
Moderate
Overview
What is the current air quality in San Juan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 68 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 18.5µg/m³ | |
| PM10 | 24µg/m³ | |
!
PM2.5
x3.7
PM2.5 concentration in San Juan is currently 3.7 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 |
|---|---|---|---|---|
| Friday, Sep 6 | Moderate 77 AQI US |  | 86° 78.8° |  6.7 mp/h |
| Saturday, Sep 7 | Moderate 97 AQI US | | 87.8° 78.8° | 2.2 mp/h |
| Sunday, Sep 8 | Moderate 67 AQI US | | 87.8° 78.8° | 8.9 mp/h |
| Today | Moderate 68 AQI US | | 78.8° 75.2° | 8.9 mp/h |
| Tuesday, Sep 10 | Moderate 57 AQI US | 90% | 86° 77° | 11.2 mp/h |
| Wednesday, Sep 11 | Moderate 60 AQI US | 100% | 86° 78.8° | 11.2 mp/h |
| Thursday, Sep 12 | Moderate 60 AQI US | 100% | 86° 78.8° | 8.9 mp/h |
| Friday, Sep 13 | Moderate 62 AQI US | 90% | 86° 77° | 8.9 mp/h |
| Saturday, Sep 14 | Moderate 56 AQI US | 100% | 84.2° 77° | 13.4 mp/h |
| Sunday, Sep 15 | Good 35 AQI US  | 100% | 78.8° 77° | 11.2 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
San Juan air quality data attribution
2 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in San Juan?
AQI US, Metric