What is the air quality in La Unión today?

The current Air Quality Index (AQI) in La Unión is 56 (Moderate). PM2.5 concentration is 14.67 µg/m³.

What is the temperature in La Unión right now?

The current temperature in La Unión is 27.8°C (feels like 31.0°C). Humidity is 59.0% and wind speed is 45.3 km/h.

Air Quality in La Unión, SV

Windy

27.8°C · 59.0% humidity

27.8°

Feels 31.0°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

75 12am

75 3am

75 6am

75 9am

75 12pm

37 3pm

75 6pm

75 9pm

Station readings 32h ago

AQI 38

PM2.5 9.0 µg/m³ · 32h ago

59.0%

Humidity

45.3 km/h

Wind N

1007.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for La Unión?

Temperature & Precipitation

PM2.514.67 µg/m³ ✓ WHO

Moderate

PM1020.55 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for La Unión?

04-10

32.4° 25.1°

04-11

33.0° 25.4°

04-12

32.6° 25.1°

04-13

31.9° 26.6°

04-14

31.4° 27.7°

04-15

31.0° 27.6°

0.63 mm

04-16

30.5° 27.4°

0.5 mm

Both models agree Avg diff: 2.0°C

What cities are near La Unión?

60 San Miguel 48 San Lorenzo 56 San Francisco 63 San Rafael Oriente 63 Usulután 87 Santiago de María 18 Ciudad Choluteca 63 Puerto El Triunfo 53 Sensuntepeque 25 El Viejo

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T03:57 UTC.