Air quality in San Juan
Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 4 Followers • 19:00, Sep 06 Local time
48*
US AQI⁺Good
Main pollutant:
PM2.5
8.6 µg/m³
24°
3 km/h
77 %
Hourly forecast
San Juan air quality index (AQI⁺) forecast
Daily forecast
San Juan air quality index (AQI⁺) forecast
| Today | 48 | 90% | 31° 22° | 10 km/h | 87% |
| Mon | 54 | 33° 22° | 7 km/h | 84% | |
| Tue | 53 | 37° 22° | 7 km/h | 71% |
Air pollutants
What is the current air quality in San Juan?
PM2.5 concentration is currently 1.7 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Juan
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Juan
Most polluted locations near San Juan
Worldwide AQI⁺ rankingHistoric air quality near San Juan
History
Historic air quality graph for San Juan
Historic air quality near San Juan
History
Historic air quality graph for San Juan
















