Air Quality in San Juan, Peru
Drizzle
22.7°C · 96.8% humidity
22.7°
Feels 22.7°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
San Juan's air quality — share it
AQI Forecast
25
5am
25
25
26
8am
27
27
27
11am
27
27
27
2pm
34
34
34
5pm
34
34
27
8pm
27
27
27
11pm
27
27
27
2am
27
27
San Juan's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
96.8%
Humidity
17.2 km/h
Wind NE
1013.9 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.15 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for San Juan?
Temperature & Precipitation
PM2.56.15 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for San Juan?
09-05
37.1° 22.1°
1.44 mm
09-06
35.0° 23.5°
1.31 mm
09-07
38.5° 22.7°
1.69 mm
09-08
29.3° 22.2°
2.44 mm
09-09
30.2° 22.1°
8.38 mm
09-10
37.1° 22.9°
0.94 mm
09-11
37.4° 23.8°
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T13:08 UTC.