What is the air quality in San Juan today?

The current Air Quality Index (AQI) in San Juan is 24 (Good). PM2.5 concentration is 5.8 µg/m³.

What is the temperature in San Juan right now?

The current temperature in San Juan is 18.6°C (feels like 18.6°C). Humidity is 52.0% and wind speed is 153.3 km/h.

Is it safe to go outside in San Juan?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in San Juan, Argentina

Windy

18.6°C · 52.0% humidity

18.6°

Feels 18.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

— 8pm

—

— 11pm

—

— 2am

—

— 5am

—

— 8am

—

— 11am

—

— 2pm

—

— 5pm

—

View AQI history for San Juan →

San Juan's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

52.0%

Humidity

153.3 km/h

Wind N

1013.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for San Juan?

Temperature & Precipitation

PM2.55.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for San Juan?

10-22

18.6° 14.8°

10-23

22.7° 14.8°

0.06 mm

10-24

22.3° 12.6°

10-25

22.6° 20.3°

10-26

23.8° 12.7°

0.19 mm

10-27

24.7° 9.0°

1.25 mm

10-28

25.1° 20.2°

Both models agree Avg diff: 3.5°C

What cities are near San Juan?

25 Santa Lucía 25 Chimbas 25 Villa Paula de Sarmiento 25 Albardón 24 Pocito 25 Caucete 25 San José de Jáchal 24 Mendoza 24 San Martín 12 San Esteban

Get AQI alerts for San Juan

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-22T02:32 UTC.