Air Quality in San Juan, Argentina
Windy
19.5°C · 49.0% humidity
19.5°
Feels 19.5°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
San Juan's air quality — share it
AQI Forecast
54
8pm
54
54
52
11pm
54
27
54
2am
66
54
54
5am
34
34
27
8am
27
27
27
11am
27
34
34
2pm
34
34
34
5pm
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.
49.0%
Humidity
53.1 km/h
Wind SSE
1002.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.6 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for San Juan?
Temperature & Precipitation
PM2.512.6 µg/m³
✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for San Juan?
08-03
19.5° 10.7°
6.5 mm
08-04
20.2° 10.7°
08-05
18.5° 11.1°
08-06
29.2° 3.1°
08-07
18.4° 14.4°
08-08
16.1° 8.1°
08-09
15.1° 10.7°
Both models agree
Avg diff: 4.0°C
What cities are near San Juan?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:36 UTC.