Air quality in San Juan
Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 07:00, Oct 17 Local time
62*
US AQI⁺Moderate
Main pollutant:
PM2.5
15.1 µg/m³
18°
5 km/h
10 %
Hourly forecast
San Juan air quality index (AQI⁺) forecast
Daily forecast
San Juan air quality index (AQI⁺) forecast
| Today | 63 | 22° 10° | 27 km/h | 24% | |
| Sun | 60 | 21° 10° | 26 km/h | 32% | |
| Mon | 54 | 19° 9° | 22 km/h | 45% |
Air pollutants
What is the current air quality in San Juan?
PM2.5 concentration is currently 3 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
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 |
Protect yourself from air pollution in San Juan
Health recommendations
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 |
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












