Air quality in San Juan
Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 4 Followers • 01:00, Jul 23 Local time
53*
US AQI⁺Moderate
Main pollutant:
PM2.5
10 µg/m³
23°
4 km/h
90 %
Hourly forecast
San Juan air quality index (AQI⁺) forecast
Daily forecast
San Juan air quality index (AQI⁺) forecast
| Today | 57 | 34° 22° | 11 km/h | 73% | |
| Fri | 59 | 32° 22° | 7 km/h | 82% | |
| Sat | 54 | 34° 22° | 12 km/h | 72% |
Air pollutants
What is the current air quality in San Juan?
PM2.5 concentration is currently 2 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












