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 22.0°C (feels like 22.0°C). Humidity is 99.1% and wind speed is 2.9 km/h.

Is it safe to go outside in San Juan?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in San Juan, Peru

Drizzle

22.0°C · 99.1% humidity

22.0°

Feels 22.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

24 6am

24 9am

24 12pm

24 3pm

24 6pm

25 9pm

25 12am

25 3am

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.

99.1%

Humidity

2.9 km/h

Wind W

1015.2 hPa

Pressure

9.4

UV Very High

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 INDEX9.4

Very High

Both models agree Avg diff: 3.1°C

What cities are near San Juan?

24 Belen 24 Iquitos

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

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T14:36 UTC.