What is the air quality in La Unión today?

The current Air Quality Index (AQI) in La Unión is 10 (Good). PM2.5 concentration is 2.42 µg/m³.

What is the temperature in La Unión right now?

The current temperature in La Unión is 14.1°C (feels like 14.1°C). Humidity is 99.1% and wind speed is 9.5 km/h.

Is it safe to go outside in La Unión?

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

Air Quality in La Unión, Colombia

Rain

14.1°C · 99.1% humidity

14.1°

Feels 14.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 9 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.

99.1%

Humidity

9.5 km/h

Wind W

1014.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.42 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for La Unión?

Temperature & Precipitation

PM2.5 Trend

47h · 9 stations

PM2.52.42 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (10 stations within 25 km)

2.42

Median

2.46

Average

1.4

Low

6.4

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +3.4

What is the 7-day forecast for La Unión?

10-21

18.1° 14.0°

25.94 mm

10-22

18.3° 12.6°

12.06 mm

10-23

20.7° 12.4°

19.62 mm

10-24

21.7° 13.7°

25.5 mm

10-25

20.4° 14.9°

12.75 mm

10-26

22.8° 13.7°

12.69 mm

10-27

20.3° 13.5°

12.81 mm

Both models agree Avg diff: 1.6°C

Where are air quality stations near La Unión?

Waira S17 Ilogico Cantarrana 67eda4

9.0 km 0.0°C 0.0% RH PM2.5: 1.0 µg/m³

Waira S29 Jar Colom Cl13a 4b96ab

9.0 km 24.0°C 66.0% RH PM2.5: 1.0 µg/m³

Waira S03 SueñosdelTambo f0ce40

9.1 km 0.0°C 0.0% RH PM2.5: 2.0 µg/m³

Waira Aldea02 calle8 15a-17 6d4d2c

9.2 km 19.0°C 93.0% RH PM2.5: 1.0 µg/m³

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Waira S05 AMSTERDAM TAMBO 6d5960

9.2 km 29.0°C 50.0% RH PM2.5: 0.0 µg/m³

Waira Aldea04 Calle7 3fff23

9.3 km 22.0°C 72.0% RH PM2.5: 2.0 µg/m³

Waira S23 Manzanares Cll27 6350fc

9.5 km 0.0°C 0.0% RH PM2.5: 2.0 µg/m³

Waira S18 Cr20 Asilo 44d334

9.8 km 23.0°C 100.0% RH PM2.5: 2.0 µg/m³

Waira S10 calle24Sancayetano 6d5a40

9.8 km 22.0°C 99.0% RH PM2.5: 1.0 µg/m³

Waira S13 Pay Cll5C 6350dc

9.9 km 21.0°C 93.0% RH PM2.5: 1.0 µg/m³

What cities are near La Unión?

9 La Ceja 45 Carmen de Viboral 64 Retiro 116 Rionegro 10 Santuario 21 Abejorral 140 Marinilla 21 Sonsón 58 Caldas 103 Envigado

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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 2026-10-21T21:27 UTC.