Air quality in San Juan
Air quality index (AQI⁺) and PM2.5 air pollution in San Juan • 4 Followers • 01:00, Aug 14 Local time
52*
US AQI⁺Moderate
Main pollutant:
PM2.5
9.8 µg/m³
26°
1 km/h
70 %
Hourly forecast
San Juan air quality index (AQI⁺) forecast
Daily forecast
San Juan air quality index (AQI⁺) forecast
| Today | 54 | 37° 24° | 5 km/h | 61% | |
| Sat | 56 | 35° 22° | 11 km/h | 70% | |
| Sun | 58 | 30° 23° | 6 km/h | 80% |
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

















