What is the air quality in La Unión today?

The current Air Quality Index (AQI) in La Unión is 25 (Good). PM2.5 concentration is 6.14 µg/m³.

What is the temperature in La Unión right now?

The current temperature in La Unión is 25.9°C (feels like 25.9°C). Humidity is 85.3% and wind speed is 12.1 km/h.

Is it safe to go outside in La Unión?

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

Air Quality in La Unión, El Salvador

Heavy Rain

25.9°C · 85.3% humidity

25.9°

Feels 25.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 11pm

25 2am

24 5am

25 8am

25 11am

25 2pm

25 5pm

25 8pm

Air Quality Index Trend

23h · 1 stn

View full history →

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

85.3%

Humidity

12.1 km/h

Wind NW

1011.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.14 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for La Unión?

Temperature & Precipitation

PM2.5 Trend

23h · 1 station

PM2.56.14 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for La Unión?

06-09

31.5° 24.9°

25.31 mm

06-10

29.9° 25.2°

17.31 mm

06-11

27.4° 24.8°

9.25 mm

06-12

26.7° 24.6°

4.44 mm

06-13

27.2° 23.3°

46.69 mm

06-14

29.0° 23.2°

7.37 mm

06-15

29.7° 24.1°

19.38 mm

Both models agree Avg diff: 3.2°C

What cities are near La Unión?

5 San Miguel 26 San Lorenzo 5 San Francisco 5 San Rafael Oriente 20 Usulután 25 Santiago de María 41 Ciudad Choluteca 13 Puerto El Triunfo 13 Sensuntepeque 40 El Viejo

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T08:46 UTC.