What is the air quality in San Juan today?

The current Air Quality Index (AQI) in San Juan is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in San Juan right now?

The current temperature in San Juan is 23.2°C (feels like 23.2°C). Humidity is 98.8% and wind speed is 13.1 km/h.

Is it safe to go outside in San Juan?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in San Juan, Peru

Rain

23.2°C · 98.8% humidity

23.2°

Feels 23.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

25 7pm

25 10pm

25 1am

25 4am

25 7am

25 10am

24 1pm

24 4pm

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.

98.8%

Humidity

13.1 km/h

Wind E

1012.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.9 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for San Juan?

Temperature & Precipitation

PM2.55.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for San Juan?

05-30

31.1° 22.4°

28.81 mm

05-31

29.3° 22.4°

20.62 mm

06-01

26.6° 22.3°

16.69 mm

06-02

25.9° 22.0°

8.56 mm

06-03

23.6° 22.0°

8.5 mm

06-04

31.1° 22.6°

8.5 mm

06-05

26.6° 21.8°

5.44 mm

Both models agree Avg diff: 2.7°C

What cities are near San Juan?

25 Belen 25 Iquitos

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T03:26 UTC.