Air quality in San Juan
Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 4 Followers • 07:00, Oct 18 Local time
50*
US AQI⁺Good
Main pollutant:
PM2.5
9.1 µg/m³
29°
2 km/h
60 %
Hourly forecast
San Juan air quality index (AQI⁺) forecast
Daily forecast
San Juan air quality index (AQI⁺) forecast
| Today | 51 | 37° 22° | 7 km/h | 49% | |
| Mon | 48 | 38° 24° | 7 km/h | 57% | |
| Tue | 54 | 38° 23° | 8 km/h | 66% |
Air pollutants
What is the current air quality in San Juan?
PM2.5 concentration is currently 1.8 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












